Common use of Superseded Agreements Clause in Contracts

Superseded Agreements. This Service Agreement supersedes and cancels, as of the effective date hereof, the following Service Agreements: FTS1 37824 DELTA NATURAL GAS CO., INC. By: /s/Axxx X. Xxxxx Name: Axxx X. Xxxxx Title: Vice President – Operations and Engineering Date: September 30, 1994 COLUMBIA GULF TRANSMISSION COMPANY By: /s/ S. X. Xxxxxxx Name: S. X. Xxxxxxx Title: Vice President Date: 10/11/94 Appendix A to Service Agreement No. 43827 Revision No. 2 Under Rate Schedule FTS-1 Between (Transporter) Columbia Gulf Transmission Company and (Shipper) Delta Natural Gas Company, Inc., Sxxxxxx Division Transportation Demand Begin Date End Date Transportation Demand Dth/day Recurrence Interval November 1, 1994 October 31, 2010 860 1/1 – 12/31 November 1, 2010 October 31, 2015 860 1/1 – 12/31 Primary Receipt Points Begin Date End Date Measuring Point No. Measuring Point Name Maximum Daily Quantity (Dth/Day) Recurrence Interval November 1, 1994 October 31, 2010 2700010 CGT – Rayne 860 1/1 – 12/31 November 1, 2010 October 31, 2015 2700010 CGT – Rayne 860 1/1 – 12/31 Primary Delivery Points Begin Date End Date Measuring Point No. Measuring Point Name Maximum Daily Quantity (Dth/Day) Recurrence Interval November 1, 1994 October 31, 2010 801 Gulf - Lxxxx 860 1/1 – 12/31 Appendix A to Service Agreement No. 43827 Revision No. 2 Under Rate Schedule FTS-1 Between (Transporter) Columbia Gulf Transmission Company and (Shipper) Delta Natural Gas Company, Inc., Sxxxxxx Division The Master List of Interconnects (MLI) as defined in Section 1 of the General Terms and Conditions is incorporated herein by reference for purposes of listing valid secondary interruptible receipt points and delivery points. _____ Yes __X__ No (Check applicable blank) Transporter and Shipper have mutually agreed to a Regulatory Restructuring Reduction Option pursuant to Section 34 of the General Terms and Conditions of Transporter's FERC Gas Tariff. _____ Yes __X__ No (Check applicable blank) Shipper has a contractual right of first refusal equivalent to the right of first refusal set forth from time to time in Section 4 of the General Terms and Conditions of Transporter's FERC Gas Tariff. _____ Yes __X__ No (Check applicable blank) All gas shall be delivered at existing points of interconnection within the Maximum Daily Quantity, as applicable, set forth in Transporter's currently effective Rate Schedule FTS-1 Appendix A with Shipper, which for such points set forth are incorporated by reference. _____ Yes __X__ No (Check applicable blank) This Service Agreement covers interim capacity sold pursuant to the provisions of General Terms and Conditions Section 4.2(j). Right of first refusal rights, if and, applicable to this interim capacity are limited as provided for in General Terms and Conditions Section 4.2(j). CANCELLATION OF PREVIOUS APPENDIX A Service changes pursuant to this Appendix A, Revision No. 2 shall commence as of November 01, 2010. This Appendix A, Revision No. 2 shall cancel and supersede the previous Appendix A, Revision No. 1 to the Service Agreement dated November 01, 1994. With the exception of this Appendix A, Revision No. 2, all other terms and conditions of said Service Agreement shall remain in full force and effect. Delta Natural Gas Company, Inc., Sxxxxxx Division Columbia Gulf Transmission, LLC By: Sxxxxxx Xxxx By: Mxxx Xxxxx Its: Agent Its: Director Commercial Services Date: April 28, 2010 Date: April 27, 2010 SERVICE AGREEMENT NO. 43828 CONTROL NO. 1994-07-02 – 0041 FTS 1 SERVICE AGREEMENT THIS AGREEMENT, made and entered into this 4th day of October, 1994, by and between: COLUMBIA GULF TRANSMISSION COMPANY ("TRANSPORTER") AND DELTA NATURAL GAS CO., INC. ("SHIPPER")

Superseded Agreements. This Service Agreement supersedes and cancels, as of the effective date hereof, the following Service Agreements: FTS1 37824 37823 DELTA NATURAL GAS CO., INC. By: /s/Axxx X. Xxxxx Name: Axxx X. Xxxxx Title: Vice President – Operations and Engineering Date: September 30, 1994 COLUMBIA GULF TRANSMISSION COMPANY By: /s/ S. X. Xxxxxxx Name: S. X. Xxxxxxx Title: Vice President Date: 10/11/94 10-11-94 Appendix A to Service Agreement No. 43827 43828 Revision No. 2 Under Rate Schedule FTS-1 Between (Transporter) Columbia Gulf Transmission Company and (Shipper) Delta Natural Gas Company, Inc., Sxxxxxx Cumberland Division Transportation Demand Begin Date End Date Transportation Demand Dth/day Recurrence Interval November 1, 1994 October 31, 2010 860 1/1 – 12/31 November 1, 2010 October 31, 2015 860 1,836 1/1 – 12/31 Primary Receipt Points Begin Date End Date Measuring Point No. Measuring Point Name Maximum Daily Quantity (Dth/Day) Recurrence Interval November 1, 1994 October 31, 2010 2700010 CGT – Rayne 860 1/1 – 12/31 November 1, 2010 October 31, 2015 2700010 CGT – Rayne 860 1,836 1/1 – 12/31 Primary Delivery Points Begin Date End Date Measuring Point No. Measuring Point Name Maximum Daily Quantity (Dth/Day) Recurrence Interval November 1, 1994 October 31, 2010 801 Gulf - Lxxxx 860 1/1 – 12/31 Appendix A to Service Agreement No. 43827 43828 Revision No. 2 Under Rate Schedule FTS-1 Between (Transporter) Columbia Gulf Transmission Company and (Shipper) Delta Natural Gas Company, Inc., Sxxxxxx Cumberland Division The Master List of Interconnects (MLI) as defined in Section 1 of the General Terms and Conditions is incorporated herein by reference for purposes of listing valid secondary interruptible receipt points and delivery points. _____ Yes __X__ No (Check applicable blank) Transporter and Shipper have mutually agreed to a Regulatory Restructuring Reduction Option pursuant to Section 34 of the General Terms and Conditions of Transporter's FERC Gas Tariff. _____ Yes __X__ No (Check applicable blank) Shipper has a contractual right of first refusal equivalent to the right of first refusal set forth from time to time in Section 4 of the General Terms and Conditions of Transporter's FERC Gas Tariff. _____ Yes __X__ No (Check applicable blank) All gas shall be delivered at existing points of interconnection within the Maximum Daily Quantity, as applicable, set forth in Transporter's currently effective Rate Schedule FTS-1 Appendix A with Shipper, which for such points set forth are incorporated by reference. _____ Yes __X__ No (Check applicable blank) This Service Agreement covers interim capacity sold pursuant to the provisions of General Terms and Conditions Section 4.2(j). Right of first refusal rights, if and, applicable to this interim capacity are limited as provided for in General Terms and Conditions Section 4.2(j). CANCELLATION OF PREVIOUS APPENDIX A Service changes pursuant to this Appendix A, Revision No. 2 shall commence as of November 01, 2010. This Appendix A, Revision No. 2 shall cancel and supersede the previous Appendix A, Revision No. 1 to the Service Agreement dated November 011, 1994. With the exception of this Appendix A, Revision No. 2No.2, all other terms and conditions of said Service Agreement shall remain in full force and effect. Delta Natural Gas Company, Inc., Sxxxxxx Cumberland Division Columbia Gulf Transmission, LLC Transmission Company By: Sxxxxxx Xxxx By: Mxxx X. Xxxxx Its: Agent Its: Director Director, Commercial Services Date: April 28, 2010 Date: April 27, 2010 SERVICE AGREEMENT NONX. 43828 CONTROL NO00000 XXXXXXX XX. 19940000-0700-02 00 – 0041 0044 FTS 1 SERVICE AGREEMENT THIS AGREEMENT, made and entered into this 4th day of October, 1994, by and between: COLUMBIA GULF TRANSMISSION COMPANY ("TRANSPORTER") AND DELTA NATURAL GAS CO., INC. ("SHIPPER")

Superseded Agreements. This Service Agreement supersedes and cancels, as of the effective date hereof, the following Service Agreements: FTS1 37824 37826 DELTA NATURAL GAS CO., INC. By: By /s/Axxx X. Xxxxx Name: Name Axxx X. Xxxxx Title: Title Vice President – Operations and Engineering Date: Date September 30, 1994 COLUMBIA GULF TRANSMISSION COMPANY By: By /s/ S. X. Xxxxxxx Name: Name S. X. Xxxxxxx Title: Title Vice President Date: Date 10/11/94 Appendix A to Service Agreement No. 43827 43829 Revision No. 2 Under Rate Schedule FTS-1 Between (Transporter) Columbia Gulf Transmission Company and (Shipper) Delta Natural Gas Company, Inc., Sxxxxxx Division Inc. Transportation Demand Begin Date End Date Transportation Demand Dth/day Recurrence Interval November 1, 1994 October 31, 2010 860 1,682 1/1 – 12/31 November 1, 2010 October 31, 2015 860 1,682 1/1 – 12/31 Primary Receipt Points Begin Date End Date Measuring Point No. Measuring Point Name Maximum Daily Quantity (Dth/Day) Recurrence Interval November 1, 1994 October 31, 2010 2700010 CGT – Rayne 860 1,682 1/1 – 12/31 November 1, 2010 October 31, 2015 2700010 CGT – Rayne 860 1,682 1/1 – 12/31 Primary Delivery Points Begin Date End Date Measuring Point No. Measuring Point Name Maximum Daily Quantity (Dth/Day) Recurrence Interval November 1, 1994 October 31, 2010 801 Gulf - Lxxxx 860 1,682 1/1 – 12/31 November 1, 2010 October 31, 2015 801 Gulf - Lxxxx 1,836 1/1 – 12/31 COMMENT CODE: FN01 THIS STATION IS IN MXXXXX XXXX 00, XXXXXXXXX AND THE EASTERN MARKETING AGGREGATE AREA. Appendix A to Service Agreement No. 43827 43829 Revision No. 2 Under Rate Schedule FTS-1 Between (Transporter) Columbia Gulf Transmission Company and (Shipper) Delta Natural Gas Company, Inc.Inc. COMMENT CODE: GFN1 THIS SERVICE AGREEMENT AND ITS EFFECTIVENESS ARE SUBJECT TO A PRECEDENT AGREEMENT NO. 47754 BETWEEN BUYER AND SELLER DATED MAY 1, Sxxxxxx Division 1995. THE MAXIMUM DAILY DELIVERY OBLIGATIONS (MDDOS) FOR THIS AGREEMENT ARE INCLUDED WITHIN THE MDDOS, DDQ'S AND AGGREGATE DAILY QUANTITIES (ADQS) IN AGREEEMENT NO. 38095. UPON TERMINATION OF AGREEMENT NO. 38095, SELLER'S MAXIMUM DELIVERY OBLIGATIONS TO BUYER AT THE PRIMARY DELIVERY POINTS LISTED WILL BE AS FOLLOWS UNLESS OTHERWISE AGREED TO BY SELLER AND BUYER. STATION NUMBER STATION NAME MDDO (DTH) 600279 SNOWSHOE 5000 COMMENT CODE: GFN1 THIS SERVICE AGREEMENT AND ITS EFFECTIVENESS ARE SUBJECT TO A PRECEDENT AGREEMENT NO. 47754 BETWEEN TRANSPORTER AND SHIPPER DATED MAY 1, 1995. THE MAXIMUM DAILY DELIVERY OBLIGATIONS (MDDOS) FOR THIS AGREEMENT ARE INCLUDED WITHIN THE MDDOS, DDQ'S AND AGGREGATE DAILY QUANTITIES (ADQS) IN AGREEEMENT NO. 38095. UPON TERMINATION OF AGREEMENT NO. 38095, TRANSPORTER'S MAXIMUM DELIVERY OBLIGATIONS TO SHIPPER AT THE PRIMARY DELIVERY POINTS LISTED WILL BE AS FOLLOWS UNLESS OTHERWISE AGREED TO BY TRANSPORTER AND SHIPPER. Appendix A to Service Agreement No. 43829 Revision No. 2 Under Rate Schedule FTS-1 Between (Transporter) Columbia Gulf Transmission Company and (Shipper) Delta Natural Gas Company, Inc. STATION NUMBER STATION NAME MDDO (DTH) 600279 SNOWSHOE 5000 1/ 600054 CPA NORTH YORK 3808 600057 RIDGE AVE HANOVER 1178 600058 CPA BECKMILL RD 1453 600061 GXXXX ROCK 118 600062 SHREWSBURY 707 600063 CPA EMIGSVILLE 4303 600064 CPA ADMIRE 1178 600263 COL PA MONT ALTO 510 600270 CPA AXXXXXXXXX 00 0/ XXXXXXX X00 XXXX XX FLOWING AT EQUIVALENT LEVEL TO PROVIDE DELIVERIES TO THIS STATION. Appendix A to Service Agreement No. 43829 Revision No. 2 Under Rate Schedule FTS-1 Between (Transporter) Columbia Gulf Transmission Company and (Shipper) Delta Natural Gas Company, Inc. The Master List of Interconnects (MLI) as defined in Section 1 of the General Terms and Conditions is incorporated herein by reference for purposes of listing valid secondary interruptible receipt points and delivery points. _____ Yes __X__ No (Check applicable blank) Transporter and Shipper have mutually agreed to a Regulatory Restructuring Reduction Option pursuant to Section 34 of the General Terms and Conditions of Transporter's FERC Gas Tariff. _____ Yes __X__ No (Check applicable blank) Shipper has a contractual right of first refusal equivalent to the right of first refusal set forth from time to time in Section 4 of the General Terms and Conditions of Transporter's FERC Gas Tariff. _____ Yes __X__ No (Check applicable blank) All gas shall be delivered at existing points of interconnection within the Maximum Daily Quantity, as applicable, set forth in Transporter's currently effective Rate Schedule FTS-1 Appendix A with Shipper, which for such points set forth are incorporated by reference. _____ Yes __X__ No (Check applicable blank) This Service Agreement covers interim capacity sold pursuant to the provisions of General Terms and Conditions Section 4.2(j). Right of first refusal rights, if and, applicable to this interim capacity are limited as provided for in General Terms and Conditions Section 4.2(j). CANCELLATION OF PREVIOUS APPENDIX A Service changes pursuant to this Appendix A, Revision No. 2 shall commence as of November 01, 2010. This Appendix A, Revision No. 2 shall cancel and supersede the previous Appendix A, Revision No. 1 to the Service Agreement dated November 01, 1994. With the exception of this Appendix A, Revision No. 2, all other terms and conditions of said Service Agreement shall remain in full force and effect. Delta Natural Gas Company, Inc., Sxxxxxx Division Inc. Columbia Gulf Transmission, LLC By: Sxxxxxx Xxxx By: Mxxx Xxxxx Its: Agent Its: Director Commercial Services Date: April 28, 2010 Date: April 27, 2010 SERVICE AGREEMENT NO. 43828 CONTROL NO. 1994-07-02 – 0041 FTS 1 SERVICE AGREEMENT THIS AGREEMENT, made and entered into this 4th day of October, 1994, by and between: COLUMBIA GULF TRANSMISSION COMPANY ("TRANSPORTER") AND DELTA NATURAL GAS CO., INC. ("SHIPPER")2010

Superseded Agreements. This Service Agreement supersedes and cancels, as of the effective date hereof, the following Service Agreements: FTS1 37824 DELTA NATURAL Agreement(s): N/A. SPOTLIGHT ENERGY, LLC COLUMBIA GAS CO.TRANSMISSION, INC. By: /s/Axxx X. LLC By Xxxx Xxxxxxxxx By Xxxxxx Xxxxx Name: Axxx X. Xxxxx Title: Vice President – Title CEO Title VP Commercial Operations and Engineering Date: September Date October 30, 1994 COLUMBIA GULF TRANSMISSION COMPANY By: /s/ S. X. Xxxxxxx Name: S. X. Xxxxxxx Title: Vice President Date: 10/11/94 2018 Date October 30, 2018 Revision No. 0 Appendix A to Service Agreement No. 43827 Revision No. 2 211538 Under Rate Schedule FTS-1 Between FTS between Columbia Gas Transmission, LLC ("Transporter") Columbia Gulf Transmission Company and Spotlight Energy, LLC ("Shipper) Delta Natural Gas Company, Inc., Sxxxxxx Division "). Transportation Demand Begin Date End Date Transportation Demand Dth/day Recurrence Interval November 1, 1994 October 31, 2010 860 11/01/2018 03/31/2019 8,000 1/1 – 12/31 November 1, 2010 October 31, 2015 860 1/1 – - 12/31 Primary Receipt Points Minimum Maximum Receipt Daily Pressure Scheduling Measuring Quantity Obligation Recurrence Begin Date End Date Point No. Scheduling Point Name Point No. Measuring Point Name (Dth/day) (psig) 1/ Interval 11/01/2018 03/31/2019 C23 PENNSBURG-23 631929 PENNSBURG (74-000577) 8,000 1/1 - 12/31 Primary Delivery Points Begin Date End Date Scheduling Point No. Scheduling Point Name Measuring Point No. Measuring Point Name Maximum Daily Quantity Delivery Obligation (Dth/Dayday) Recurrence Interval November 1, 1994 October 31, 2010 2700010 CGT – Rayne 860 1/1 – 12/31 November 1, 2010 October 31, 2015 2700010 CGT – Rayne 860 1/1 – 12/31 Primary Delivery Points Begin Date End Date Measuring Point No. Measuring Point Name Maximum 1/ Design Daily Quantity (Dth/Dayday) 1/ Minimum Delivery Pressure Obligation (psig) 1/ Recurrence Interval November 111/01/2018 03/31/2019 E17 MARTINS CREEK - 21 638094 MARTINS CREEK #3/DELIVERY 8,000 1/1 - 12/31 1/ Application of MDDOs, 1994 October 31DDQs and ADQs, 2010 801 Gulf - Lxxxx 860 1/1 – 12/31 Appendix A to Service Agreement No. 43827 Revision No. 2 Under Rate Schedule FTS-1 Between (Transporter) Columbia Gulf Transmission Company and (Shipper) Delta Natural Gas Company, Inc., Sxxxxxx Division minimum pressure and/or hourly flowrate shall be as follows: The Master List of Interconnects ("MLI") as defined in Section 1 of the General Terms and Conditions of Transporter's Tariff is incorporated herein by reference for purposes of listing valid secondary interruptible receipt points and delivery points. _____ Yes __X__ X No (Check applicable blank) Transporter and Shipper have mutually agreed to a Regulatory Restructuring Reduction Option pursuant to Section 34 42 of the General Terms and Conditions of Transporter's FERC Gas Tariff. _____ Yes __X__ X No (Check applicable blank) Shipper Xxxxxxx has a contractual right of first refusal equivalent to the right of first refusal set forth from time to time in Section 4 of the General Terms and Conditions of Transporter's FERC Gas Tariff. _____ Yes __X__ X No (Check applicable blank) All gas shall be delivered at existing points of interconnection within the Maximum Daily QuantityMDDOs, ADQs and/or DDQs, as applicable, set forth in Transporter's currently effective Rate Schedule FTS-1 Service Agreement No. Appendix A with Shipper, which for such points set forth are incorporated herein by reference. _____ Yes __X__ X No (Check applicable blank) This Service Agreement covers interim capacity sold pursuant to the provisions of General Terms and Conditions Section 4.2(j)4. Right of first refusal rights, if andany, applicable to this interim capacity are limited as provided for in General Terms and Conditions Section 4.2(j)4. CANCELLATION OF PREVIOUS APPENDIX A Yes X No (Check applicable blank) This Service changes Agreement covers offsystem capacity sold pursuant to Section 47 of the General Terms and Conditions. Right of first refusal rights, if any, applicable to this Appendix A, Revision Nooffsystem capacity are limited as provided for in General Terms and Conditions Section 47. 2 shall commence as of November 01, 2010. This Appendix A, Revision No. 2 shall cancel and supersede the previous Appendix A, Revision No. 1 to the Service Agreement dated November 01, 1994. With the exception of this Appendix A, Revision No. 2, all other terms and conditions of said Service Agreement shall remain in full force and effect. Delta Natural Gas Company, Inc., Sxxxxxx Division Columbia Gulf TransmissionSPOTLIGHT ENERGY, LLC By: Sxxxxxx COLUMBIA GAS TRANSMISSION, LLC By Xxxx By: Mxxx Xxxxxxxxx By Xxxxxx Xxxxx Its: Agent Its: Director Title CEO Title VP Commercial Services Date: April 28, 2010 Date: April 27, 2010 SERVICE AGREEMENT NO. 43828 CONTROL NO. 1994-07-02 – 0041 FTS 1 SERVICE AGREEMENT THIS AGREEMENT, made and entered into this 4th day of October, 1994, by and between: COLUMBIA GULF TRANSMISSION COMPANY ("TRANSPORTER") AND DELTA NATURAL GAS CO., INC. ("SHIPPER")Operations

Superseded Agreements. This Service Agreement supersedes and cancels, as of the effective date hereof, the following Service Agreements: FTS1 37824 DELTA NATURAL GAS CO., INC. By: /sAgreement(s): N/Axxx X. Xxxxx Name: Axxx X. Xxxxx Title: Vice President – Operations and Engineering Date: September 30, 1994 A. RANGE RESOURCES - COLUMBIA GULF TRANSMISSION COMPANY By: /s/ S. X. Xxxxxxx Name: S. X. Xxxxxxx Title: Vice President Date: 10/11/94 TRANSMISSION, LLC APPALACHIA, LLC By By Title Title Date Date Revision No. 0 Appendix A to Service Agreement No. 43827 Revision No. 2 196009 Under Rate Schedule FTS-1 Between (Transporter) between Columbia Gulf Transmission Company Transmission, LLC (“Transporter”) and Range Resources – Appalachia, LLC (“Shipper”) Delta Natural Gas Company, Inc., Sxxxxxx Division Transportation Demand Begin Date End Date Transportation Demand Dth/day Recurrence Interval November 1, 1994 October 31, 2010 860 1/1 – 12/31 November 1, 2010 October 31, 2015 860 1/1 – 1/ 1/ 200,000 1/1-12/31 Primary Receipt Points Begin Date End Date Measuring Point No. Measuring Point Name Maximum Daily Quantity (Dth/Dayday) Recurrence Interval November 1, 1994 October 31, 2010 2700010 CGT – Rayne 860 1/1 – 12/31 November 1, 2010 October 31, 2015 2700010 CGT – Rayne 860 1/1 – 1/ 1/ 3194 Xxxxx 200,000 1/1-12/31 Primary Delivery Points Begin Date End Date Measuring Point No. Measuring Point Name Maximum Daily Quantity (Dth/Dayday) Recurrence Interval November 1, 1994 October 31, 2010 801 Gulf - Lxxxx 860 1/1 – 1/ 1/ 4118 Florida Gas Transmission Lafayette 20,000 1/1-12/31 Appendix A to 1/ 1/ 2700010 Rayne 30,000 1/1-12/31 1/ 1/ 478 Transco Xxxxxxxxxx 150,000 1/1-12/31 1/ Per Section 2 of the Service Agreement No. 43827 Revision No. 2 Under Rate Schedule FTS-1 Between (Transporter) Columbia Gulf Transmission Company Transporter and (Shipper) Delta Natural Gas Company, Inc., Sxxxxxx Division The Master List of Interconnects (MLI) as defined in Section 1 of Shipper have mutually agreed to the General Terms and Conditions is incorporated herein by reference for purposes of listing valid secondary interruptible receipt points and delivery points. _____ following maximum or minimum pressure commitments: N/A Yes __X__ No (Check applicable blank) Transporter and Shipper have mutually agreed to a Regulatory Restructuring Reduction Option pursuant to Section 34 33 of the General Terms and Conditions of Transporter's FERC Gas Tariff. _X_Yes _ ____ Yes __X__ No (Check applicable blank) Shipper has a contractual right of first refusal equivalent associated with the capacity described in Attachment B-1 as having a Primary Receipt Point at Xxxxx (meter no. 3194) pursuant to the right of first refusal set forth from time to time in Section 4 4.1 of the General Terms and Conditions of Transporter's FERC Gas Tariff. _____ Yes __X__ No (Check applicable blank) All gas shall be delivered at existing points of interconnection within the Maximum Daily Quantity, as applicable, set forth in Transporter's currently effective Rate Schedule FTS-1 Appendix A with Shipper, which for such points set forth are incorporated by reference. _____ Yes __X__ No (Check applicable blank) This Service Agreement covers interim capacity sold pursuant to the provisions of General Terms and Conditions Section 4.2(j)4. Right of first refusal rights, if andany, applicable to this interim capacity are limited as provided for in General Terms and Conditions Section 4.2(j)4. CANCELLATION OF PREVIOUS APPENDIX A RANGE RESOURCES - COLUMBIA GULF TRANSMISSION, LLC APPALACHIA, LLC By By Title Title Date Date Appendix B to Service changes pursuant to this Appendix A, Revision Agreement No. 2 shall commence as of November 01196009 October 24, 20102017 Range Resources - Appalachia, LLC 0000 Xxxx Xxxxxx Xxxx. This Appendix ACanonsburg, Revision PA 15317 Attention: Xxxx Xxxx RE: FTS-1 Service Agreement No. 2 shall cancel and supersede the previous Appendix A, Revision No. 1 to the Service 196009 Negotiated Rate Letter Agreement dated November 01, 1994. With the exception of this Appendix A, Revision No. 2, all other terms and conditions of said Service Dear Xxxxxx: This Negotiated Rate Letter Agreement shall remain in full force and effect. Delta Natural Gas Company, Inc., Sxxxxxx Division between Columbia Gulf Transmission, LLC By: Sxxxxxx Xxxx By: Mxxx Xxxxx Its: Agent Its: Director Commercial Services Date: April 28(“Transporter” or “CGT”) and Range Resources – Appalachia, 2010 Date: April 27LLC (“Shipper”), 2010 SERVICE AGREEMENT NOshall set forth the applicable rates, calculations thereof, and rate provisions associated with the transportation service provided by Transporter to Shipper pursuant to the above-referenced Service Agreement. 43828 CONTROL NOTransporter and Shipper may be referred to individually as a “Party” or collectively as the “Parties”. 1994-07-02 – 0041 FTS 1 SERVICE AGREEMENT THIS AGREEMENT, made Shipper and entered into this 4th day of October, 1994, by and between: COLUMBIA GULF TRANSMISSION COMPANY ("TRANSPORTER") AND DELTA NATURAL GAS CO., INC. ("SHIPPER")Transporter hereby agree:

Superseded Agreements. This Service Agreement supersedes and cancels, as of the effective date hereof, the following Service Agreements: FTS1 37824 DELTA NATURAL GAS CO., Agreement(s): N/A. VITOL INC. By: /s/Axxx COLUMBIA GAS TRANSMISSION, LLC By Title Date X. Xxxxx Name: Axxx X. Xxxxx Title: Robertson Vice President – Operations and Engineering Date: September - Trade Processing November 29, 2021 By Title Date Manager, USNG Contracts November 30, 1994 COLUMBIA GULF TRANSMISSION COMPANY By: /s/ S. X. Xxxxxxx Name: S. X. Xxxxxxx Title: Vice President Date: 10/11/94 2021 Revision No. 0 Appendix A to Service Agreement No. 43827 Revision No. 2 259732 Under Rate Schedule FTS-1 Between OPT30 between Columbia Gas Transmission, LLC ("Transporter") Columbia Gulf Transmission Company and Vitol Inc. ("Shipper) Delta Natural Gas Company, Inc., Sxxxxxx Division "). Transportation Demand Service under this Service Agreement may be interrupted for 30 days annually. Begin Date End Date Transportation Demand Dth/day Recurrence Interval November 1, 1994 October 31, 2010 860 12/01/2021 11/30/2022 17,200 1/1 – 12/31 November 1, 2010 October 31, 2015 860 1/1 – - 12/31 Primary Receipt Points Maximum Minimum Receipt Scheduling Measuring Daily Quantity Pressure Obligation Recurrence Begin Date End Date Measuring Point No. Scheduling Point Name Point No. Measuring Point Name Maximum Daily Quantity (Dth/Dayday) Recurrence 1/ (psig) 1/ Interval November 1, 1994 October 31, 2010 2700010 CGT – Rayne 860 12/01/2021 11/30/2022 A04 ALEXANDER AGG POINT 04 A04 ALEXANDER AGG POINT 04 2,775 1/1 – - 12/31 November 1, 2010 October 31, 2015 2700010 CGT – Rayne 860 12/01/2021 11/30/2022 P10 TCO POOL P10 TCO POOL 14,425 1/1 – - 12/31 Primary Delivery Points Scheduling Measuring Maximum Daily Delivery Obligation Design Daily Quantity Minimum Delivery Pressure Obligation Recurrence Begin Date End Date Measuring Point No. Scheduling Point Name Point No. Measuring Point Name Maximum Daily Quantity (Dth/Dayday) Recurrence 1/ (Dth/day) 1/ (psig) 1/ Interval November 112/01/2021 11/30/2022 843105 Transco Chantilly 843105 Transco Chantilly 17,200 1/1 - 12/31 1/ Application of MDDOs, 1994 October 31DDQs and ADQs, 2010 801 Gulf - Lxxxx 860 1/1 – 12/31 Appendix A to Service Agreement No. 43827 Revision No. 2 Under Rate Schedule FTS-1 Between (Transporter) Columbia Gulf Transmission Company and (Shipper) Delta Natural Gas Company, Inc., Sxxxxxx Division minimum pressure and/or hourly flowrate shall be as follows: The Master List of Interconnects ("MLI") as defined in Section 1 of the General Terms and Conditions of Transporter's Tariff is incorporated herein by reference for purposes of listing valid secondary interruptible receipt points and delivery points. _____ Yes __X__ X No (Check applicable blank) Transporter and Shipper have mutually agreed to a Regulatory Restructuring Reduction Option pursuant to Section 34 42 of the General Terms and Conditions of Transporter's FERC Gas Tariff. _____ Yes __X__ X No (Check applicable blank) Shipper Xxxxxxx has a contractual right of first refusal equivalent to the right of first refusal set forth from time to time in Section 4 of the General Terms and Conditions of Transporter's FERC Gas Tariff. _____ Yes __X__ No (Check applicable blank) All gas shall be delivered at existing points of interconnection within the Maximum Daily Quantity, as applicable, set forth in Transporter's currently effective Rate Schedule FTS-1 Appendix A with Shipper, which for such points set forth are incorporated by reference. _____ Yes __X__ X No (Check applicable blank) This Service Agreement covers interim capacity sold pursuant to the provisions of General Terms and Conditions Section 4.2(j)4. Right of first refusal rights, if andany, applicable to this interim capacity are limited as provided for in General Terms and Conditions Section 4.2(j)4. CANCELLATION OF PREVIOUS APPENDIX A Yes X No (Check applicable blank) This Service changes Agreement covers offsystem capacity sold pursuant to Section 47 of the General Terms and Conditions. Right of first refusal rights, if any, applicable to this Appendix Aoffsystem capacity are limited as provided for in General Terms and Conditions Section 47. VITOL INC. COLUMBIA GAS TRANSMISSION, Revision NoLLC By Title Date . 2 shall commence as of Xxxxx Xxxxxxxxx J Vice President - Trade Processing November 0129, 2010. This Appendix A2021 By Title Date Manager, Revision No. 2 shall cancel and supersede the previous Appendix AUSNG Contracts November 30, Revision No. 1 to the Service Agreement dated November 01, 1994. With the exception of this Appendix A, Revision No. 2, all other terms and conditions of said Service Agreement shall remain in full force and effect. Delta Natural 2021 Columbia Gas Company, Inc., Sxxxxxx Division Columbia Gulf Transmission, LLC By: Sxxxxxx Xxxx By: Mxxx Xxxxx Its: Agent Its: Director Commercial Services Date: April 28, 2010 Date: April 27, 2010 SERVICE AGREEMENT NO. 43828 CONTROL NO. 1994-07-02 – 0041 FTS 1 SERVICE AGREEMENT THIS AGREEMENT, made and entered into this 4th day of October, 1994, by and between: COLUMBIA GULF TRANSMISSION COMPANY ("TRANSPORTER") AND DELTA NATURAL GAS CO000 Xxxxxxxxx Xx., INCXxxxx 0000 Houston, Texas 77002 November 29, 2021 Vitol Inc. 1100 Louisiana, Suite 5500 Houston, TX 77002 Attention: Xxxxxx Xxxxxx RE: OPT-30 Service Agreement No. 259732 Negotiated Rate Letter Agreement Dear Xxxxxx: This Negotiated Rate Letter Agreement ("SHIPPER"“NRL”) between Columbia Gas Transmission, LLC (“Transporter” or “TCO”) and Vitol Inc., (“Shipper”), shall set forth the applicable rates and other rate provisions associated with the transportation service provided by Transporter to Shipper pursuant to the above-referenced Service Agreement. Transporter and Shipper may be referred to individually as a “Party” or collectively as the “Parties”. Shipper and Transporter hereby agree:

Superseded Agreements. This Service Agreement supersedes and cancels, as of the effective date hereof, the following Service Agreements: FTS1 37824 DELTA NATURAL Agreement(s): FTS No. 135578, Revision No. 2. EQT PRODUCTION COMPANY COLUMBIA GAS CO.TRANSMISSION, INCLLC By Xxxxx Xxxxxx By Xxxxx Xxxxxxxx Title Agent Title Manager Date July 24, 2020 Date July 23, 2020 Revision No. By: /s/Axxx X. Xxxxx Name: Axxx X. Xxxxx Title: Vice President – Operations and Engineering Date: September 30, 1994 COLUMBIA GULF TRANSMISSION COMPANY By: /s/ S. X. Xxxxxxx Name: S. X. Xxxxxxx Title: Vice President Date: 10/11/94 3 Appendix A to Service Agreement No. 43827 Revision No. 2 135578 Under Rate Schedule FTS-1 Between FTS between Columbia Gas Transmission, LLC ("Transporter") Columbia Gulf Transmission and EQT Production Company and ("Shipper) Delta Natural Gas Company, Inc., Sxxxxxx Division "). Transportation Demand Begin Date End Date Transportation Demand Dth/day Recurrence Interval November 1, 1994 October 31, 2010 860 08/01/2020 06/30/2024 5,000 1/1 – 12/31 November 1, 2010 October 31, 2015 860 1/1 – - 12/31 Primary Receipt Points Minimum Maximum Receipt Daily Pressure Scheduling Measuring Quantity Obligation Recurrence Begin Date End Date Measuring Point No. Scheduling Point Name Point No. Measuring Point Name Maximum Daily Quantity (Dth/Dayday) Recurrence (psig) 1/ Interval November 1, 1994 October 31, 2010 2700010 CGT – Rayne 860 08/01/2020 06/30/2024 642585 Xxxx 642585 Xxxx 5,000 1/1 – 12/31 November 1, 2010 October 31, 2015 2700010 CGT – Rayne 860 1/1 – - 12/31 Primary Delivery Points Maximum Minimum Daily Delivery Delivery Design Daily Pressure Scheduling Measuring Obligation Quantity Obligation Recurrence Begin Date End Date Measuring Point No. Scheduling Point Name Point No. Measuring Point Name Maximum Daily Quantity (Dth/Dayday) Recurrence 1/ (Dth/day) 1/ (psig) 1/ Interval November 108/01/2020 06/30/2024 C16 DELMONT-36 842406 Delmont-Delivery 5,000 1/1 - 12/31 1/ Application of MDDOs, 1994 October 31DDQs and ADQs, 2010 801 Gulf - Lxxxx 860 1/1 – 12/31 Appendix A to Service Agreement No. 43827 Revision No. 2 Under Rate Schedule FTS-1 Between (Transporter) Columbia Gulf Transmission Company and (Shipper) Delta Natural Gas Company, Inc., Sxxxxxx Division minimum pressure and/or hourly flowrate shall be as follows: The Master List of Interconnects ("MLI") as defined in Section 1 of the General Terms and Conditions of Transporter's Tariff is incorporated herein by reference for purposes of listing valid secondary interruptible receipt points and delivery points. _____ Yes __X__ X No (Check applicable blank) Transporter and Shipper have mutually agreed to a Regulatory Restructuring Reduction Option pursuant to Section 34 42 of the General Terms and Conditions of Transporter's FERC Gas Tariff. _____ X Yes __X__ No (Check applicable blank) Shipper has a contractual right of first refusal equivalent to the right of first refusal set forth from time to time in Section 4 of the General Terms and Conditions of Transporter's FERC Gas Tariff. _____ Yes __X__ X No (Check applicable blank) All gas shall be delivered at existing points of interconnection within the Maximum Daily QuantityMDDOs, ADQs and/or DDQs, as applicable, set forth in Transporter's currently effective Rate Schedule FTS-1 Service Agreement No. Appendix A with Shipper, which for such points set forth are incorporated herein by reference. _____ Yes __X__ X No (Check applicable blank) This Service Agreement covers interim capacity sold pursuant to the provisions of General Terms and Conditions Section 4.2(j)4. Right of first refusal rights, if andany, applicable to this interim capacity are limited as provided for in General Terms and Conditions Section 4.2(j)4. CANCELLATION OF PREVIOUS APPENDIX A Yes X No (Check applicable blank) This Service changes Agreement covers offsystem capacity sold pursuant to Section 47 of the General Terms and Conditions. Right of first refusal rights, if any, applicable to this Appendix Aoffsystem capacity are limited as provided for in General Terms and Conditions Section 47. EQT PRODUCTION COMPANY COLUMBIA GAS TRANSMISSION, Revision No. 2 shall commence as of November 01LLC By Xxxxx Xxxxxx By Xxxxx Xxxxxxxx Title Agent Title Manager Date July 24, 2010. This Appendix A2020 Date July 23, Revision No. 2 shall cancel and supersede the previous Appendix A, Revision No. 1 to the Service Agreement dated November 01, 1994. With the exception of this Appendix A, Revision No. 2, all other terms and conditions of said Service Agreement shall remain in full force and effect. Delta Natural 2020 DocuSign Envelope ID: 20EEB48B-C46A-4CAF-9F4C-FFD1ACAD2B12 Columbia Gas Company, Inc., Sxxxxxx Division Columbia Gulf Transmission, LLC By: Sxxxxxx Xxxx By: Mxxx 000 Xxxxxxxxx, Xxxxx Its: Agent Its: Director Commercial Services Date: April 28000 Houston, 2010 Date: April Texas 77002 SUPERSEDES AND REPLACES LETTER DATED July 23, 2020 July 27, 2010 SERVICE AGREEMENT NO2020 EQT Production Company 000 Xxxxxxx Xxxxxx, Xxxxx 0000 Pittsburgh, PA 15222 Attention: Xxxxx Xxxxxx xxxxxxxx@xxx.xxx RE: FTS Service Agreement No. 43828 CONTROL NO135578 – Revision 3 Negotiated Rate Letter Agreement Dear Xx. 1994Xxxxxx: This Negotiated Rate Letter Agreement (“NRL”) between Columbia Gas Transmission, LLC (“Transporter” or “TCO”) and EQT Production Company (“Shipper”), shall set forth the applicable rates and other rate provisions associated with the transportation service provided by Transporter to Shipper pursuant to the above-07-02 – 0041 FTS 1 SERVICE AGREEMENT THIS AGREEMENT, made referenced Service Agreement. Transporter and entered into this 4th day of October, 1994, by Shipper may be referred to individually as a “Party” or collectively as the “Parties”. Shipper and between: COLUMBIA GULF TRANSMISSION COMPANY ("TRANSPORTER") AND DELTA NATURAL GAS CO., INC. ("SHIPPER")Transporter hereby agree:

Superseded Agreements. This Service Agreement supersedes and cancels, as of the effective date hereof, the following Service Agreements: FTS1 37824 DELTA NATURAL Agreement(s): N/X. X. XXXX & COMPANY LLC COLUMBIA GAS CO.TRANSMISSION, INC. By: /s/Axxx X. LLC By Xxx Xxxxxxx By Xxxxx Name: Axxx X. Xxxxx Title: Vice President – Operations and Engineering Date: September Xxxxxxxx Title VP-Natural Gas Logistics Title Manager Date May 31, 2019 Date May 30, 1994 COLUMBIA GULF TRANSMISSION COMPANY By: /s/ S. X. Xxxxxxx Name: S. X. Xxxxxxx Title: Vice President Date: 10/11/94 2019 Revision No. 0 Appendix A to Service Agreement No. 43827 Revision No. 2 223197 Under Rate Schedule FTS-1 Between FTS between Columbia Gas Transmission, LLC ("Transporter") Columbia Gulf Transmission and X. Xxxx & Company and LLC ("Shipper) Delta Natural Gas Company, Inc., Sxxxxxx Division "). Transportation Demand Begin Date End Date Transportation Demand Dth/day Recurrence Interval November 1, 1994 October 31, 2010 860 06/01/2019 06/30/2019 10,000 1/1 – - 12/31 November 1, 2010 October 31, 2015 860 07/01/2019 07/31/2019 30,000 1/1 – - 12/31 Primary Receipt Points Minimum Maximum Receipt Daily Pressure Scheduling Measuring Quantity Obligation Recurrence Begin Date End Date Measuring Point No. Scheduling Point Name Point No. Measuring Point Name Maximum Daily Quantity (Dth/Dayday) Recurrence (psig) 1/ Interval November 1, 1994 October 31, 2010 2700010 CGT – Rayne 860 06/01/2019 06/30/2019 A04 ALEXANDER AGG POINT 04 A04 ALEXANDER AGG POINT 04 10,000 1/1 – - 12/31 November 1, 2010 October 31, 2015 2700010 CGT – Rayne 860 07/01/2019 07/31/2019 A04 ALEXANDER AGG POINT 04 A04 ALEXANDER AGG POINT 04 30,000 1/1 – - 12/31 Primary Delivery Points Maximum Minimum Daily Delivery Delivery Design Daily Pressure Scheduling Measuring Obligation Quantity Obligation Recurrence Begin Date End Date Measuring Point No. Scheduling Point Name Point No. Measuring Point Name Maximum Daily Quantity (Dth/Dayday) Recurrence 1/ (Dth/day) 1/ (psig) 1/ Interval November 106/01/2019 06/30/2019 801 TCO-XXXXX 801 TCO-XXXXX 10,000 1/1 - 12/31 07/01/2019 07/31/2019 801 TCO-XXXXX 801 TCO-XXXXX 30,000 1/1 - 12/31 1/ Application of MDDOs, 1994 October 31DDQs and ADQs, 2010 801 Gulf - Lxxxx 860 1/1 – 12/31 Appendix A to Service Agreement No. 43827 Revision No. 2 Under Rate Schedule FTS-1 Between (Transporter) Columbia Gulf Transmission Company and (Shipper) Delta Natural Gas Company, Inc., Sxxxxxx Division minimum pressure and/or hourly flowrate shall be as follows: The Master List of Interconnects ("MLI") as defined in Section 1 of the General Terms and Conditions of Transporter's Tariff is incorporated herein by reference for purposes of listing valid secondary interruptible receipt points and delivery points. _____ Yes __X__ X No (Check applicable blank) Transporter and Shipper have mutually agreed to a Regulatory Restructuring Reduction Option pursuant to Section 34 42 of the General Terms and Conditions of Transporter's FERC Gas Tariff. _____ Yes __X__ X No (Check applicable blank) Shipper Xxxxxxx has a contractual right of first refusal equivalent to the right of first refusal set forth from time to time in Section 4 of the General Terms and Conditions of Transporter's FERC Gas Tariff. _____ Yes __X__ X No (Check applicable blank) All gas shall be delivered at existing points of interconnection within the Maximum Daily QuantityMDDOs, ADQs and/or DDQs, as applicable, set forth in Transporter's currently effective Rate Schedule FTS-1 Service Agreement No. Appendix A with Shipper, which for such points set forth are incorporated herein by reference. _____ Yes __X__ X No (Check applicable blank) This Service Agreement covers interim capacity sold pursuant to the provisions of General Terms and Conditions Section 4.2(j)4. Right of first refusal rights, if andany, applicable to this interim capacity are limited as provided for in General Terms and Conditions Section 4.2(j)4. CANCELLATION OF PREVIOUS APPENDIX A Yes X No (Check applicable blank) This Service changes Agreement covers offsystem capacity sold pursuant to Section 47 of the General Terms and Conditions. Right of first refusal rights, if any, applicable to this Appendix Aoffsystem capacity are limited as provided for in General Terms and Conditions Section 47. X. XXXX & COMPANY LLC COLUMBIA GAS TRANSMISSION, Revision No. 2 shall commence as of November 01, 2010. This Appendix A, Revision No. 2 shall cancel and supersede the previous Appendix A, Revision No. 1 to the Service Agreement dated November 01, 1994. With the exception of this Appendix A, Revision No. 2, all other terms and conditions of said Service Agreement shall remain in full force and effect. Delta LLC By Xxx Xxxxxxx By Xxxxx Xxxxxxxx Title VP-Natural Gas CompanyLogistics Title Manager Date May 31, Inc.2019 Date May 30, Sxxxxxx Division Columbia Gulf Transmission, LLC By: Sxxxxxx Xxxx By: Mxxx Xxxxx Its: Agent Its: Director Commercial Services Date: April 28, 2010 Date: April 27, 2010 SERVICE AGREEMENT NO. 43828 CONTROL NO. 1994-07-02 – 0041 FTS 1 SERVICE AGREEMENT THIS AGREEMENT, made and entered into this 4th day of October, 1994, by and between: COLUMBIA GULF TRANSMISSION COMPANY ("TRANSPORTER") AND DELTA NATURAL GAS CO., INC. ("SHIPPER")2019

Superseded Agreements. This Service Agreement supersedes and cancels, as of the effective date hereof, the following Service Agreements: FTS1 37824 DELTA NATURAL Agreement(s): N/X. XXXXXXXXXX POWER, L.L.C COLUMBIA GAS CO.TRANSMISSION, INC. By: /s/Axxx X. Xxxxx Name: Axxx X. Xxxxx Title: LLC ________ By Title By _ Title _Vice President – Operations and Engineering Date: September 30Date Date July 29, 1994 COLUMBIA GULF TRANSMISSION COMPANY By: /s/ S. X. Xxxxxxx Name: S. X. Xxxxxxx Title: Vice President Date: 10/11/94 2020 Revision No. 0 Appendix A to Service Agreement No. 43827 Revision No. 2 237931 Under Rate Schedule FTS-1 Between FTS between Columbia Gas Transmission, LLC (“Transporter”) Columbia Gulf Transmission Company and Xxxxxxxxxx Power, L.L.C. (“Shipper”) Delta Natural Gas Company, Inc., Sxxxxxx Division T ransportation Demand End D ate Transportation Demand Begin Date End Date Transportation Demand D emand Dth/day Recurrence Interval November 1, 1994 October 31, 2010 860 I nterval 1/ 1/ 96,000 1/1 – 12/31 November 1, 2010 October 31, 2015 860 DocuSign Envelope ID: 66DF2152-9760-4549-AD48-0399C4C81645 P rimary Receipt Points Begin End Scheduling Scheduling Point Measuring Measuring Maximum Daily Minimum Receipt Pressure Obligation Recurrence D ate D ate P oint No. N ame P oint No. P oint Name Q uantity (Dth/day) ( psig) 2/ I nterval 1/ 1/ TBD Nexus Interconnect TBD Nexus Interconnect 96,000 470 1/1 – 12/31 Primary Receipt P rimary Delivery Points Maximum Daily Design Daily Minimum Delivery Pressure Begin Date End Date Scheduling Scheduling Measuring Point Measuring Delivery Obligation Quantity Obligation Recurrence D ate D ate P oint No. Measuring Point P oint Name Maximum Daily Quantity (P oint No. P oint Name ( Dth/Dayday) Recurrence Interval November 1, 1994 October 31, 2010 2700010 CGT – Rayne 860 2/ ( Dth/day) 2/ ( psig) 2/ I nterval 1/ 1/ 736798 X. Xxxxxx 736798 X. Xxxxxx 96,000 440 1/1 – 12/31 November 11/ Per section 2 of the Service Agreement 2/ Application of MDDOs, 2010 October 31DDQs and ADQs, 2015 2700010 CGT – Rayne 860 1/1 – 12/31 minimum pressure and/or hourly flowrate shall be as follows: Subject to the provisions of Section 9 of the Tariff, Transporter and Shipper agree to a variable hourly flow rate for the Initial and Extended Term at the Shipper’s Primary Delivery Points Begin Date End Date Measuring Receipt Point Nothat does not exceed the hourly flow rate received from Upstream Interconnecting Pipeline at Shipper’s Primary Receipt Point and does not have an adverse effect on the daily operations of Transporter’s system. Measuring Point Name Maximum Daily Quantity (The hourly flow rate received from Upstream Interconnecting Pipeline shall not exceed 4,500 Dth/Day) Recurrence Interval November 1hour over any six-hour period per day. During the Initial Term or any Extended Term, 1994 October 31Transporter agrees, 2010 801 Gulf - Lxxxx 860 1/1 – 12/31 Appendix A to Service Agreement Nothe extent practicable, to allow Shipper to be part of the interconnect flow discussions with the Upstream Interconnecting Pipeline for the purpose of managing variable hourly flow rates from the Primary Receipt Point. 43827 Revision NoWhen gas is delivered to Transporter at Shipper’s Primary Point of Receipt, Transporter shall deliver gas to Shipper’s Primary Point of Delivery at a pressure of at least 440 psig. 2 Under Rate Schedule FTS-1 Between (However, Transporter shall have no such obligation to deliver gas to Shipper’s Primary Point of Delivery at the pressure specified above if gas is delivered to Transporter at Shipper’s Primary Point of Receipt at a pressure of less than 470 psig or if the pressure would have an adverse effect on the daily operations of Transporter) Columbia Gulf Transmission Company and (Shipper) Delta Natural Gas Company, Inc., Sxxxxxx Division ’s system. The Master List of Interconnects (“MLI”) as defined in Section 1 of the General Terms and Conditions of Transporter’s Tariff is incorporated herein by reference for purposes of listing valid secondary interruptible receipt points and delivery points. _____ DocuSign Envelope ID: 66DF2152-9760-4549-AD48-0399C4C81645 Yes __X__ X No (Check applicable blank) Transporter and Shipper have mutually agreed to a Regulatory Restructuring Reduction Option pursuant to Section 34 42 of the General Terms and Conditions of Transporter's FERC Gas Tariff. _____ Yes __X__ X No (Check applicable blank) Shipper Xxxxxxx has a contractual right of first refusal equivalent to the right of first refusal set forth from time to time in Section 4 of the General Terms and Conditions of Transporter's FERC Gas Tariff. _____ Yes __X__ X No (Check applicable blank) All gas shall be delivered at existing points of interconnection within the Maximum Daily QuantityMDDOs, ADQs and/or DDQs, as applicable, set forth in Transporter's ’s currently effective Rate Schedule FTS-1 FTS Service Agreement No. Appendix A with Shipper, which for such points set forth are incorporated herein by reference. _____ DocuSign Envelope ID: 66DF2152-9760-4549-AD48-0399C4C81645 Yes __X__ No X_No (Check applicable blank) This Service Agreement covers interim capacity sold pursuant to the provisions of General Terms and Conditions Section 4.2(j)4. Right of first refusal rights, if andany, applicable to this interim capacity are limited as provided for in General Terms and Conditions Section 4.2(j)4. CANCELLATION OF PREVIOUS APPENDIX A Yes _X_No (Check applicable blank) This Service changes Agreement covers offsystem capacity sold pursuant to Section 47 of the General Terms and Conditions. Right of first refusal rights, if any, applicable to this Appendix Aoffsystem capacity are limited as provided for in General Terms and Conditions Section 47. XXXXXXXXXX POWER, Revision L.L.C COLUMBIA GAS TRANSMISSION, LLC ________ By _ _ By Title _ Date Title Date Vice President July 29, 2020 DocuSign Envelope ID: 66DF2152-9760-4549-AD48-0399C4C81645 237931 , 20 Xxxxxxxxxx Power, L.L.C. c/o Starwood Energy Group Global, Inc. 0 Xxxxxxxxx Xxxxxx Xxxx Greenwich, CT 06831 Attention: Xxxx Xxxxxxx Email: xxxxxxxx@xxxxxxxx.xxx RE: FTS Service Agreement No. 2 shall commence as of November 01, 2010237931 Negotiated Rate Letter Agreement Dear Xx. Xxxxxxx: This Appendix A, Revision No. 2 shall cancel and supersede the previous Appendix A, Revision No. 1 to the Service Negotiated Rate Letter Agreement dated November 01, 1994. With the exception of this Appendix A, Revision No. 2, all other terms and conditions of said Service Agreement shall remain in full force and effect. Delta Natural between Columbia Gas Company, Inc., Sxxxxxx Division Columbia Gulf Transmission, LLC By: Sxxxxxx Xxxx By: Mxxx Xxxxx Its: Agent Its: Director Commercial Services Date: April 28(“Transporter” or “TCO”) and Xxxxxxxxxx Power, 2010 Date: April 27L.L.C. (“Shipper”), 2010 SERVICE AGREEMENT NOshall set forth the applicable rates, calculations thereof, and rate provisions associated with the transportation service provided by Transporter to Shipper pursuant to the above-referenced Service Agreement. 43828 CONTROL NOTransporter and Shipper may be referred to individually as a “Party” or collectively as the “Parties”. 1994-07-02 – 0041 FTS 1 SERVICE AGREEMENT THIS AGREEMENT, made Shipper and entered into this 4th day of October, 1994, by and between: COLUMBIA GULF TRANSMISSION COMPANY ("TRANSPORTER") AND DELTA NATURAL GAS CO., INC. ("SHIPPER")Transporter hereby agree:

Superseded Agreements. This Service Agreement supersedes and cancels, as of the effective date hereof, the following Service Agreements: FTS1 37824 DELTA NATURAL GAS CO.N/X. XXXX FUEL GAS, INC. By: /s/Axxx X. Xxxxx Name: Axxx /s/ Xxxxx X. Xxxx Xxxxx X. Xxxx Title: Vice President – Operations and Engineering CEO Date: September 30November 14, 1994 1995 COLUMBIA GULF GAS TRANSMISSION COMPANY CORPORATION By: Name: /s/ S. Xxxxxxx X. Xxxxxxx Name: S. Xxxxxxx X. Xxxxxxx Title: Vice President Date: 10/11/94 November 20, 1995 Revision No. Control No. 1995-04-30 — 0023 Appendix A to Service Agreement No. 43827 49789 Under Rate Schedule fss Between (Seller) columbia gas transmission corporation and (Buyer) penn fuel gas, inc. GFNT / THIS SERVICE AGREEMENT AND ITS EFFECTIVENESS ARE SUBJECT TO A PRECEDENT AGREEMENT BETWEEN BUYER AND SELLER DATED MAY 18, 1995. Revision No. 2 Under Rate Schedule FTS-1 Between (Transporter) Columbia Gulf Transmission Company and (Shipper) Delta Natural Gas Company, Inc., Sxxxxxx Division Transportation Demand Begin Date End Date Transportation Demand Dth/day Recurrence Interval November 1, 1994 October 31, 2010 860 1/1 – 12/31 November 1, 2010 October 31, 2015 860 1/1 – 12/31 Primary Receipt Points Begin Date End Date Measuring Point Control No. Measuring Point Name Maximum Daily Quantity (Dth/Day) Recurrence Interval November 1, 1994 October 31, 2010 2700010 CGT – Rayne 860 1/1 – 12/31 November 1, 2010 October 31, 2015 2700010 CGT – Rayne 860 1/1 – 12/31 Primary Delivery Points Begin Date End Date Measuring Point No. Measuring Point Name Maximum Daily Quantity (Dth/Day) Recurrence Interval November 1, 1994 October 31, 2010 801 Gulf - Lxxxx 860 1/1 – 12/31 1995-04-30 — 0023 Appendix A to Service Agreement No. 43827 Revision No. 2 49789 Under Rate Schedule FTS-1 fss Between (Seller) columbia gas transmission corporation and (Buyer) penn fuel gas, inc. Storage Contract Quantity 43,156 Dth Maximum Daily Storage Quantity 471 Dth per day CANCELLATION OF PREVIOUS APPENDIX A Service changes pursuant to this Appendix A shall become effective as of APRIL 01, 1997. This Appendix A shall cancel and supersede the previous Appendix A effective as of N/A, to the Service Agreement referenced above. With the exception of this Appendix A, all other terms and conditions of said Service Agreement shall remain in full force and effect. PENN FUEL GAS, INC. By: Name: /s/ Xxxxx X. Xxxx Xxxxx X. Xxxx Title: President and CEO Date: November 14, 1995 COLUMBIA GAS TRANSMISSION CORPORATION By: Name: /s/ Xxxxxxx X. Xxxxxxx Xxxxxxx X. Xxxxxxx Title: Vice President Date: November 20, 1995 [STAMP] Revision Xx. 0 Xxxxxxx Xx. 0000-00-00 — 0004 Appendix A to Service Agreement No. 49789 Under Rate Schedule FSS Between (Transporter) Columbia Gulf Gas Transmission Company Corporation and (Shipper) Delta Natural PPL Gas Company, Inc., Sxxxxxx Division The Master List of Interconnects (MLI) as defined in Section 1 of the General Terms and Conditions is incorporated herein by reference for purposes of listing valid secondary interruptible receipt points and delivery points. _____ Utilities Corporation Storage Contract Quantity 43,156 Dth Maximum Daily Storage Quantity 471 Dth per day CANCELLATION OF PREVIOUS APPENDIX A o Yes __X__ þ No (Check applicable blank) Transporter and Shipper have mutually agreed to a Regulatory Restructuring Reduction Option pursuant to Section 34 42 of the General Terms and Conditions of Transporter's ’s FERC Gas Tariff. _____ o Yes __X__ þ No (Check applicable blank) Shipper has a contractual right of first refusal equivalent to the right of first refusal set forth from time to time in Section 4 of the General Terms and Conditions of Transporter's ’s FERC Gas Tariff. _____ Yes __X__ No (Check applicable blank) All gas shall be delivered at existing points of interconnection within the Maximum Daily Quantity, as applicable, set forth in Transporter's currently effective Rate Schedule FTS-1 Appendix A with Shipper, which for such points set forth are incorporated by reference. _____ Yes __X__ No (Check applicable blank) This Service Agreement covers interim capacity sold pursuant to the provisions of General Terms and Conditions Section 4.2(j). Right of first refusal rights, if and, applicable to this interim capacity are limited as provided for in General Terms and Conditions Section 4.2(j). CANCELLATION OF PREVIOUS APPENDIX A Service changes pursuant to this Appendix A, Revision No. 2 1 shall commence as of be effective from November 011, 20102012 through March 31, 2013. þ Yes o No (Check applicable blank) This Appendix A, Revision No. 2 1 shall cancel and supersede the previous Previous Appendix A, Revision No. 1 0 effective as of April 1, 1997, to the Service Agreement dated November 01, 1994referenced above. With the exception of this Appendix A, Revision No. 2, 1 all other terms and conditions of said Service Agreement shall remain in full force and effect. Delta Natural PPL Gas Company, Inc., Sxxxxxx Division Columbia Gulf Transmission, LLC Utilities Corporation By: Sxxxxxx Xxxx Name: /s/ Xxxxxx X. Xxxxxxxx Xxxxxx X. Xxxxxxxx [SEAL] Title: President PPL Gas Utilities Date: 10/21/04 Columbia Gas Transmission Corporation By: Mxxx Xxxxx ItsName: Agent Its/s/ T. N. Brasselle T. N. Brasselle Title: Director Commercial MGR Customer Services Date: April 28, 2010 Date: April 27, 2010 SERVICE AGREEMENT NO. 43828 CONTROL NO. 1994-07-02 – 0041 FTS 1 SERVICE AGREEMENT THIS AGREEMENT, made and entered into this 4th day of October, 1994, by and between: COLUMBIA GULF TRANSMISSION COMPANY ("TRANSPORTER") AND DELTA NATURAL GAS CO., INC. ("SHIPPER")NOV 05 2004

Superseded Agreements. This Service Agreement supersedes and cancels, as of the effective date hereof, the following Service Agreements: FTS1 37824 DELTA NATURAL Agreement(s): FTS No. 206804, Revision No. 0. EXELON GENERATION COMPANY, LLC COLUMBIA GAS CO.TRANSMISSION, INCLLC By Xxxxxx Xxxxxx By Xxx Xxxx Title Gas Scheduler Title Director, Short Term Marketing Date June 28, 2018 Date June 28, 2018 Revision No. By: /s/Axxx X. Xxxxx Name: Axxx X. Xxxxx Title: Vice President – Operations and Engineering Date: September 30, 1994 COLUMBIA GULF TRANSMISSION COMPANY By: /s/ S. X. Xxxxxxx Name: S. X. Xxxxxxx Title: Vice President Date: 10/11/94 1 Appendix A to Service Agreement No. 43827 Revision No. 2 206804 Under Rate Schedule FTS-1 Between FTS between Columbia Gas Transmission, LLC ("Transporter") Columbia Gulf Transmission Company and (Shipper) Delta Natural Gas Exelon Generation Company, Inc., Sxxxxxx Division LLC ("Shipper"). Transportation Demand Begin Date End Date Transportation Demand Dth/day Recurrence Interval November 1, 1994 October 31, 2010 860 06/28/2018 10/31/2018 15,000 1/1 – 12/31 November 1, 2010 October 31, 2015 860 1/1 – - 12/31 Primary Receipt Points Minimum Maximum Receipt Daily Pressure Scheduling Measuring Quantity Obligation Recurrence Begin Date End Date Measuring Point No. Scheduling Point Name Point No. Measuring Point Name Maximum Daily Quantity (Dth/Dayday) Recurrence (psig) 1/ Interval November 1, 1994 October 31, 2010 2700010 CGT – Rayne 860 06/28/2018 10/31/2018 740178 Fairfield - XXX 740178 Fairfield - XXX 15,000 1/1 – 12/31 November 1, 2010 October 31, 2015 2700010 CGT – Rayne 860 1/1 – - 12/31 Primary Delivery Points Maximum Minimum Daily Delivery Delivery Design Daily Pressure Scheduling Measuring Obligation Quantity Obligation Recurrence Begin Date End Date Measuring Point No. Scheduling Point Name Point No. Measuring Point Name Maximum Daily Quantity (Dth/Dayday) Recurrence 1/ (Dth/day) 1/ (psig) 1/ Interval November 106/28/2018 10/31/2018 23-5 COL GAS OH OP 07-5 706941 XXXXXX 5,497 1/1 - 12/31 06/28/2018 10/31/2018 33-6 DAYTON-6 730597 XXXXXX 9,503 1/1 - 12/31 1/ Application of MDDOs, 1994 October 31DDQs and ADQs, 2010 801 Gulf - Lxxxx 860 1/1 – 12/31 Appendix A to Service Agreement No. 43827 Revision No. 2 Under Rate Schedule FTS-1 Between (Transporter) Columbia Gulf Transmission Company and (Shipper) Delta Natural Gas Company, Inc., Sxxxxxx Division minimum pressure and/or hourly flowrate shall be as follows: The Master List of Interconnects ("MLI") as defined in Section 1 of the General Terms and Conditions of Transporter's Tariff is incorporated herein by reference for purposes of listing valid secondary interruptible receipt points and delivery points. _____ Yes __X__ X No (Check applicable blank) Transporter and Shipper have mutually agreed to a Regulatory Restructuring Reduction Option pursuant to Section 34 42 of the General Terms and Conditions of Transporter's FERC Gas Tariff. _____ Yes __X__ X No (Check applicable blank) Shipper Xxxxxxx has a contractual right of first refusal equivalent to the right of first refusal set forth from time to time in Section 4 of the General Terms and Conditions of Transporter's FERC Gas Tariff. _____ Yes __X__ X No (Check applicable blank) All gas shall be delivered at existing points of interconnection within the Maximum Daily QuantityMDDOs, ADQs and/or DDQs, as applicable, set forth in Transporter's currently effective Rate Schedule FTS-1 Service Agreement No. Appendix A with Shipper, which for such points set forth are incorporated herein by reference. _____ Yes __X__ X No (Check applicable blank) This Service Agreement covers interim capacity sold pursuant to the provisions of General Terms and Conditions Section 4.2(j)4. Right of first refusal rights, if andany, applicable to this interim capacity are limited as provided for in General Terms and Conditions Section 4.2(j)4. CANCELLATION OF PREVIOUS APPENDIX A Yes X No (Check applicable blank) This Service changes Agreement covers offsystem capacity sold pursuant to Section 47 of the General Terms and Conditions. Right of first refusal rights, if any, applicable to this Appendix A, Revision Nooffsystem capacity are limited as provided for in General Terms and Conditions Section 47. 2 shall commence as of November 01, 2010. This Appendix A, Revision No. 2 shall cancel and supersede the previous Appendix A, Revision No. 1 to the Service Agreement dated November 01, 1994. With the exception of this Appendix A, Revision No. 2, all other terms and conditions of said Service Agreement shall remain in full force and effect. Delta Natural Gas Company, Inc., Sxxxxxx Division Columbia Gulf TransmissionEXELON GENERATION COMPANY, LLC By: Sxxxxxx COLUMBIA GAS TRANSMISSION, LLC By Xxxxxx Xxxxxx By Xxx Xxxx By: Mxxx Xxxxx Its: Agent Its: Director Commercial Services Date: April 28Title Gas Scheduler Title Director, 2010 Date: April 27, 2010 SERVICE AGREEMENT NO. 43828 CONTROL NO. 1994-07-02 – 0041 FTS 1 SERVICE AGREEMENT THIS AGREEMENT, made and entered into this 4th day of October, 1994, by and between: COLUMBIA GULF TRANSMISSION COMPANY ("TRANSPORTER") AND DELTA NATURAL GAS CO., INC. ("SHIPPER")Short Term Marketing

Superseded Agreements. This Service Agreement supersedes and cancels, as of the effective date hereof, the following Service Agreements: FTS1 37824 DELTA NATURAL GAS CO.Agreement(s): FTS No. 46284, Revision No. 5. UGI UTILITIES INC. By: /s/Axxx X. Xxxxx Name: Axxx X. Xxxxx Title: Vice President – Operations and Engineering Date: September 30COLUMBIA GAS TRANSMISSION, 1994 COLUMBIA GULF TRANSMISSION COMPANY By: /s/ S. X. Xxxxxxx Name: S. X. Xxxxxxx Title: Vice President Date: 10/11/94 LLC By By Title Title Date Date Revision No. 6 Appendix A to Service Agreement No. 43827 Revision No. 2 46284 Under Rate Schedule FTS-1 Between FTS between Columbia Gas Transmission, LLC (“Transporter”) Columbia Gulf Transmission Company and UGI Utilities Inc. (“Shipper”) Delta Natural Gas Company, Inc., Sxxxxxx Division Transportation Demand Begin Date End Date Transportation Demand Dth/day Recurrence Interval November August 1, 1994 2013 October 31, 2010 860 2023 50,412 1/1 – 12/31 November 1, 2010 October 31, 2015 860 1/1 – - 12/31 Primary Receipt Points Begin Date End Date Scheduling Point No. Scheduling Point Name Measuring Point No. Measuring Point Name Maximum Daily Quantity (Dth/Dayday) Minimum Receipt Pressure Obligation (psig) 1/ Recurrence Interval November August 1, 1994 2013 October 31, 2010 2700010 CGT – Rayne 860 2023 801 TCO-XXXXX 801 TCO-XXXXX 50,412 1/1 – 12/31 November 1, 2010 October 31, 2015 2700010 CGT – Rayne 860 1/1 – - 12/31 Primary Delivery Points Begin Date End Date Scheduling Point No. Scheduling Point Name Measuring Point No. Measuring Point Name Maximum Daily Delivery Obligation (Dth/day) 1/ Design Daily Quantity (Dth/Dayday) 1/ Minimum Delivery Pressure Obligation (psig) 1/ Recurrence Interval November August 1, 1994 2013 October 31, 2010 801 Gulf 2023 72-23 UGI CORP-23 72-23 UGI CORP-23 50,412 1/1 - Lxxxx 860 12/31 August 1, 2013 October 31, 2023 72-25 UGI CORP-25 72-25 UGI CORP-25 50,412 1/1 – - 12/31 Appendix A to Service Agreement No. 43827 Revision No. 2 Under Rate Schedule FTS-1 Between (Transporter) Columbia Gulf Transmission Company 1/ Application of MDDOs, DDQs and (Shipper) Delta Natural Gas CompanyADQs, Inc., Sxxxxxx Division minimum pressure and/or hourly flowrate shall be as follows: The Master List of Interconnects interconnects (“MLI”) as defined in Section 1 of the General Terms and Conditions of Transporter’s Tariff is incorporated herein by reference for purposes of listing valid secondary interruptible receipt points and delivery points. _____ ¨ Yes __X__ x No (Check applicable blank) Transporter and Shipper have mutually agreed to a Regulatory Restructuring Reduction Option pursuant to Section 34 42 of the General Terms and Conditions of Transporter's ’s FERC Gas Tariff. _____ ¨ Yes __X__ x No (Check applicable blank) Shipper has a contractual right of first refusal equivalent to the right of first refusal set forth from time to time in Section 4 of the General Terms and Conditions of Transporter's ’s FERC Gas Tariff. _____ ¨ Yes __X__ x No (Check applicable blank) All gas shall be delivered at existing points of interconnection within the Maximum Daily QuantityMDDOs, ADQs and/or DDQs, as applicable, set forth in Transporter's ’s currently effective Rate Schedule FTS-1 Service Agreement No. Appendix A with Shipper, which for such points set forth are incorporated herein by reference. _____ ¨ Yes __X__ x No (Check applicable blank) This Service Agreement covers interim capacity sold pursuant to the provisions of General Terms and Conditions Section 4.2(j)4. Right of first refusal rights, if andany, applicable to this interim capacity are limited as provided for in General Terms and Conditions Section 4.2(j)4. CANCELLATION OF PREVIOUS APPENDIX A ¨ Yes x No (Check applicable blank) This Service changes Agreement covers offsystem capacity sold pursuant to Section 47 of the General Terms and Conditions. Right of first refusal rights, if any, applicable to this Appendix A, Revision Nooffsystem capacity are limited as provided for in General Terms and Conditions Section 47. 2 shall commence as of November 01, 2010UGI UTILITIES INC. This Appendix A, Revision No. 2 shall cancel and supersede the previous Appendix A, Revision No. 1 to the Service Agreement dated November 01, 1994. With the exception of this Appendix A, Revision No. 2, all other terms and conditions of said Service Agreement shall remain in full force and effect. Delta Natural Gas Company, Inc., Sxxxxxx Division Columbia Gulf TransmissionCOLUMBIA GAS TRANSMISSION, LLC By: Sxxxxxx Xxxx By: Mxxx Xxxxx Its: Agent Its: Director Commercial Services Date: April 28, 2010 Date: April 27, 2010 SERVICE AGREEMENT NO. 43828 CONTROL NO. 1994-07-02 – 0041 FTS 1 SERVICE AGREEMENT THIS AGREEMENT, made and entered into this 4th day of October, 1994, by and between: COLUMBIA GULF TRANSMISSION COMPANY ("TRANSPORTER") AND DELTA NATURAL GAS CO., INC. ("SHIPPER")By By Title Title

Superseded Agreements. This Service Agreement supersedes and cancels, as of the effective date hereof, the following Service Agreements: FTS1 37824 Agreement(s): FTS-1 No. 43828, Revision No. 2. DELTA NATURAL GAS COCOMPANY, INC., INC. By: /s/Axxx X. Xxxxx Name: Axxx X. Xxxxx Title: Vice President – Operations and Engineering Date: September 30, 1994 CUMBERLAND DIVISION COLUMBIA GULF TRANSMISSION COMPANY By: /s/ S. X. Xxxxxxx Name: S. X. Xxxxxxx Title: TRANSMISSION, LLC By Xxxxx Xxxxxx By Xxxxx Xxxxxx Title Vice President Date: 10/11/94 Appendix A to Service Agreement No. 43827 Revision No. 2 Under Rate Schedule FTS-1 Between (Transporter) Columbia Gulf Transmission Company and (Shipper) Delta Natural Gas Company, Inc., Sxxxxxx Division Transportation Demand Begin President-Trans&Gas Supply Title Director Date End Date Transportation Demand Dth/day Recurrence Interval November 1, 1994 October 31, 2010 860 1/1 – 12/31 November 1, 2010 October 3129, 2015 860 1/1 – 12/31 Date October 19, 2015 Primary Receipt Points Begin Date End Date Measuring Point No. Measuring Point Name Maximum Daily Quantity (Dth/Dayday) Recurrence Interval November 1, 1994 2015 October 31, 2010 2020 2700010 CGT – Rayne 860 CGT-RAYNE 1,836 1/1 – 12/31 November 1, 2010 October 31, 2015 2700010 CGT – Rayne 860 1/1 – - 12/31 Primary Delivery Points Begin Date End Date Measuring Point No. Measuring Point Name Maximum Daily Quantity (Dth/Dayday) Recurrence Interval November 1, 1994 2015 October 31, 2010 2020 801 Gulf GULF-XXXXX 1,836 1/1 - Lxxxx 860 12/31 Transportation Demand Begin Date End Date Transportation Demand Dth/day Recurrence Interval November 1, 2015 October 31, 2020 1,836 1/1 – - 12/31 Appendix A to Service Agreement No. 43827 Revision No. 2 43828 Under Rate Schedule FTS-1 Between (Transporter) between Columbia Gulf Transmission Company Transmission, LLC ("Transporter") and (Shipper) Delta Natural Gas Company, Inc., Sxxxxxx Cumberland Division ("Shipper") Revision No. 3 The Master List of Interconnects ("MLI") as defined in Section 1 of the General Terms and Conditions of Transporter's Tariff is incorporated herein by reference for purposes of listing valid secondary interruptible receipt points and delivery points. Transporter and Shipper have mutually agreed to the following maximum or minimum pressure commitments: _____ Yes __X__ No (Check applicable blank) Transporter and Shipper have mutually agreed to a Regulatory Restructuring Reduction Option pursuant to Section 34 33 of the General Terms and Conditions of Transporter's FERC Gas Tariff. _____ Yes __X__ No (Check applicable blank) Shipper has a contractual right of first refusal equivalent to the right of first refusal set forth from time to time in Section 4 of the General Terms and Conditions of Transporter's FERC Gas Tariff. _____ Yes __X__ No (Check applicable blank) All gas shall be delivered at existing points of interconnection within the Maximum Daily Quantity, as applicable, set forth in Transporter's currently effective Rate Schedule FTS-1 Appendix A with Shipper, which for such points set forth are incorporated by reference. _____ Yes __X__ No (Check applicable blank) This Service Agreement covers interim capacity sold pursuant to the provisions of General Terms and Conditions Section 4.2(j)4. Right of first refusal rights, if andany, applicable to this interim capacity are limited as provided for in General Terms and Conditions Section 4.2(j)4. CANCELLATION OF PREVIOUS APPENDIX A Service changes pursuant to this Appendix A, Revision No. 2 shall commence as of November 01, 2010. This Appendix A, Revision No. 2 shall cancel and supersede the previous Appendix A, Revision No. 1 to the Service Agreement dated November 01, 1994. With the exception of this Appendix A, Revision No. 2, all other terms and conditions of said Service Agreement shall remain in full force and effect. Delta Natural Gas Company, Inc., Sxxxxxx Division Columbia Gulf Transmission, LLC By: Sxxxxxx Xxxx By: Mxxx Xxxxx Its: Agent Its: Director Commercial Services Date: April 28, 2010 Date: April 27, 2010 SERVICE AGREEMENT NO. 43828 CONTROL NO. 1994-07-02 – 0041 FTS 1 SERVICE AGREEMENT THIS AGREEMENT, made and entered into this 4th day of October, 1994, by and between: COLUMBIA GULF TRANSMISSION COMPANY ("TRANSPORTER") AND DELTA NATURAL GAS COCOMPANY, INC., INC. ("SHIPPER")CUMBERLAND DIVISION COLUMBIA GULF TRANSMISSION, LLC By Xxxxx Xxxxxx By Xxxxx Xxxxxx Title Vice President-Trans&Gas Supply Title Director Date October 29, 2015 Date October 19, 2015

Superseded Agreements. This Service Agreement supersedes and cancels, as of the effective date hereof, the following Service Agreements: FTS1 37824 DELTA NATURAL Agreement(s): N/A. DIVERSIFIED PRODUCTION LLC COLUMBIA GAS CO.TRANSMISSION, INC. By: /s/Axxx X. LLC By Xxxx Xxxxxx By Xxxxx Name: Axxx X. Xxxxx Title: Vice President – Operations and Engineering Date: September 30Xxxxxxxx Title Marketing Title Manager Date July 24, 1994 COLUMBIA GULF TRANSMISSION COMPANY By: /s/ S. X. Xxxxxxx Name: S. X. Xxxxxxx Title: Vice President Date: 10/11/94 2020 Date July 23, 2020 Appendix A to Service Agreement No. 43827 Revision No. 2 239496 Under Rate Schedule FTS-1 Between FTS between Columbia Gas Transmission, LLC ("Transporter") Columbia Gulf Transmission Company and Diversified Production LLC ("Shipper) Delta Natural Gas Company, Inc., Sxxxxxx Division "). Transportation Demand Begin Date 08/01/2020 End Date 06/30/2024 Transportation Demand Dth/day 5,000 Recurrence Interval November 1, 1994 October 31, 2010 860 1/1 – 12/31 November 1, 2010 October 31, 2015 860 1/1 – - 12/31 Primary Receipt Points Begin Date 08/01/2020 End Date Measuring 06/30/2024 Scheduling Point No. 642585 Mea Scheduling Point Name Poin Xxxx 6425 suring t No. 85 Measuring Point Name Maximum Daily Quantity (Dth/Day) Recurrence Interval November 1, 1994 October 31, 2010 2700010 CGT – Rayne 860 1/1 – 12/31 November 1, 2010 October 31, 2015 2700010 CGT – Rayne 860 1/1 – 12/31 Xxxx Primary Delivery Points Begin Date 08/01/2020 End Date Measuring 06/30/2024 Scheduling Point No. C16 Mea Scheduling Point Name Poin DELMONT-36 8424 suring t No. 06 Measuring Point Name Delmont-Delivery Revision No. 0 Minimum Maximum Receipt Daily Pressure Quantity Obligation Recurrence (Dth/Dayday) 5,000 (psig) 1/ Interval 1/1 - 12/31 Maximum Minimum Daily Delivery Delivery Design Daily Pressure Obligation Quantity Obligation Recurrence (Dth/day) 1/ 5,000 (Dth/day) 1/ (psig) 1/ Interval November 11/1 - 12/31 1/ Application of MDDOs, 1994 October 31DDQs and ADQs, 2010 801 Gulf - Lxxxx 860 1/1 – 12/31 Appendix A to Service Agreement No. 43827 Revision No. 2 Under Rate Schedule FTS-1 Between (Transporter) Columbia Gulf Transmission Company and (Shipper) Delta Natural Gas Company, Inc., Sxxxxxx Division minimum pressure and/or hourly flowrate shall be as follows: The Master List of Interconnects ("MLI") as defined in Section 1 of the General Terms and Conditions of Transporter's Tariff is incorporated herein by reference for purposes of listing valid secondary interruptible receipt points and delivery points. _____ Yes __X__ X No (Check applicable blank) Transporter and Shipper have mutually agreed to a Regulatory Restructuring Reduction Option pursuant to Section 34 42 of the General Terms and Conditions of Transporter's FERC Gas Tariff. _____ X Yes __X__ No (Check applicable blank) Shipper has a contractual right of first refusal equivalent to the right of first refusal set forth from time to time in Section 4 of the General Terms and Conditions of Transporter's FERC Gas Tariff. _____ Yes __X__ X No (Check applicable blank) All gas shall be delivered at existing points of interconnection within the Maximum Daily QuantityMDDOs, ADQs and/or DDQs, as applicable, set forth in Transporter's currently effective Rate Schedule FTS-1 Service Agreement No. Appendix A with Shipper, which for such points set forth are incorporated herein by reference. _____ Yes __X__ X No (Check applicable blank) This Service Agreement covers interim capacity sold pursuant to the provisions of General Terms and Conditions Section 4.2(j)4. Right of first refusal rights, if andany, applicable to this interim capacity are limited as provided for in General Terms and Conditions Section 4.2(j)4. CANCELLATION OF PREVIOUS APPENDIX A Yes X No (Check applicable blank) This Service changes Agreement covers offsystem capacity sold pursuant to Section 47 of the General Terms and Conditions. Right of first refusal rights, if any, applicable to this Appendix Aoffsystem capacity are limited as provided for in General Terms and Conditions Section 47. DIVERSIFIED PRODUCTION LLC COLUMBIA GAS TRANSMISSION, Revision No. 2 shall commence as of November 01LLC By Xxxx Xxxxxx By Xxxxx Xxxxxxxx Title Marketing Title Manager Date July 24, 2010. This Appendix A2020 Date July 23, Revision No. 2 shall cancel and supersede the previous Appendix A, Revision No. 1 to the Service Agreement dated November 01, 1994. With the exception of this Appendix A, Revision No. 2, all other terms and conditions of said Service Agreement shall remain in full force and effect. Delta Natural 2020 Columbia Gas Company, Inc., Sxxxxxx Division Columbia Gulf Transmission, LLC By: Sxxxxxx Xxxx By: Mxxx 000 Xxxxxxxxx, Xxxxx Its: Agent Its: Director Commercial Services Date: April 28000 Houston, 2010 Date: April Texas 77002 SUPERSEDES AND REPLACES LETTER DATED July 23, 2020 July 27, 2010 SERVICE AGREEMENT NO2020 Diversified Production, LLC 000 Xxxxxxx Xxxxxx Charleston, WV 25301 Attention: Xxxx Xxxxxx xxxxxxx@xxxx.xxx RE: FTS Service Agreement No. 43828 CONTROL NO239496-FTS Negotiated Rate Letter Agreement Dear Xx. 1994-07-02 – 0041 FTS 1 SERVICE AGREEMENT THIS AGREEMENTXxxxxx: This Negotiated Rate Letter Agreement (“NRL”) between Columbia Gas Transmission, made LLC (“Transporter” or “TCO”) and entered into this 4th day of OctoberDiversified Production, 1994LLC (“Shipper”), shall set forth the applicable rates and other rate provisions associated with the transportation service provided by Transporter to Shipper pursuant to the above- referenced Service Agreement. Transporter and between: COLUMBIA GULF TRANSMISSION COMPANY ("TRANSPORTER") AND DELTA NATURAL GAS CO., INCShipper may be referred to individually as a “Party” or collectively as the “Parties”. ("SHIPPER")Shipper and Transporter hereby agree:

Superseded Agreements. This Service Agreement supersedes and cancels, as of the effective date hereof, the following Service Agreements: FTS1 37824 DELTA NATURAL Agreement(s): N/A. CASTLETON COMMODITIES MERCHANT GP LLC , its gene TRADING L.P., by Castleton Commodities Trading GP LLC , its general partner By COLUMBIA GAS CO.TRANSMISSION, INCLLC Manager, USNG Contracts August 25, 2020 By Title Date Head of US Natural Gas Trading Head of US Natur August 20, 2020 Title Date Revision No. By: /s/Axxx X. Xxxxx Name: Axxx X. Xxxxx Title: Vice President – Operations and Engineering Date: September 30, 1994 COLUMBIA GULF TRANSMISSION COMPANY By: /s/ S. X. Xxxxxxx Name: S. X. Xxxxxxx Title: Vice President Date: 10/11/94 0 Appendix A to Service Agreement No. 43827 Revision No. 2 240512 Under Rate Schedule FTS-1 Between FTS between Columbia Gas Transmission, LLC ("Transporter") Columbia Gulf Transmission Company and Castleton Commodities Merchant Trading L.P. ("Shipper) Delta Natural Gas Company, Inc., Sxxxxxx Division "). Transportation Demand Begin Date End Date Transportation Demand Dth/day Recurrence Interval November 1, 1994 October 31, 2010 860 09/01/2020 03/31/2021 30,000 1/1 – 12/31 November 1, 2010 October 31, 2015 860 1/1 – - 12/31 Primary Receipt Points Minimum Maximum Receipt Daily Pressure Scheduling Measuring Quantity Obligation Recurrence Begin Date End Date Measuring Point No. Scheduling Point Name Point No. Measuring Point Name Maximum Daily Quantity (Dth/Dayday) Recurrence (psig) 1/ Interval November 1, 1994 October 31, 2010 2700010 CGT – Rayne 860 09/01/2020 03/31/2021 842867 Xxxxxxx 842867 Xxxxxxx 30,000 1/1 – 12/31 November 1, 2010 October 31, 2015 2700010 CGT – Rayne 860 1/1 – - 12/31 Primary Delivery Points Maximum Minimum Daily Delivery Delivery Design Daily Pressure Scheduling Measuring Obligation Quantity Obligation Recurrence Begin Date End Date Measuring Point No. Scheduling Point Name Point No. Measuring Point Name Maximum Daily Quantity (Dth/Dayday) Recurrence 1/ (Dth/day) 1/ (psig) 1/ Interval November 109/01/2020 03/31/2021 801 TCO-XXXXX 801 TCO-XXXXX 30,000 1/1 - 12/31 1/ Application of MDDOs, 1994 October 31DDQs and ADQs, 2010 801 Gulf - Lxxxx 860 1/1 – 12/31 Appendix A to Service Agreement No. 43827 Revision No. 2 Under Rate Schedule FTS-1 Between (Transporter) Columbia Gulf Transmission Company and (Shipper) Delta Natural Gas Company, Inc., Sxxxxxx Division minimum pressure and/or hourly flowrate shall be as follows: The Master List of Interconnects ("MLI") as defined in Section 1 of the General Terms and Conditions of Transporter's Tariff is incorporated herein by reference for purposes of listing valid secondary interruptible receipt points and delivery points. _____ Yes __X__ X No (Check applicable blank) Transporter and Shipper have mutually agreed to a Regulatory Restructuring Reduction Option pursuant to Section 34 42 of the General Terms and Conditions of Transporter's FERC Gas Tariff. _____ Yes __X__ X No (Check applicable blank) Shipper Xxxxxxx has a contractual right of first refusal equivalent to the right of first refusal set forth from time to time in Section 4 of the General Terms and Conditions of Transporter's FERC Gas Tariff. _____ Yes __X__ X No (Check applicable blank) All gas shall be delivered at existing points of interconnection within the Maximum Daily QuantityMDDOs, ADQs and/or DDQs, as applicable, set forth in Transporter's currently effective Rate Schedule FTS-1 Service Agreement No. Appendix A with Shipper, which for such points set forth are incorporated herein by reference. _____ Yes __X__ X No (Check applicable blank) This Service Agreement covers interim capacity sold pursuant to the provisions of General Terms and Conditions Section 4.2(j)4. Right of first refusal rights, if andany, applicable to this interim capacity are limited as provided for in General Terms and Conditions Section 4.2(j)4. CANCELLATION OF PREVIOUS APPENDIX A Yes X No (Check applicable blank) This Service changes Agreement covers offsystem capacity sold pursuant to Section 47 of the General Terms and Conditions. Right of first refusal rights, if any, applicable to this Appendix Aoffsystem capacity are limited as provided for in General Terms and Conditions Section 47. MMODITIES XXXXXXX modities Trading GP LLC CASTLETON CO by Castleton Com partner MOD TIES MERCHANT TRADING L.P. odities ading GP LLC, Revision No. 2 shall commence as its general COLUMBIA GAS TRANSMISSION, LLC By By Title Date Manager, USNG Contracts August 25, 2020 Title Date Head of November 01, 2010. This Appendix A, Revision No. 2 shall cancel and supersede the previous Appendix A, Revision No. 1 to the Service Agreement dated November 01, 1994. With the exception of this Appendix A, Revision No. 2, all other terms and conditions of said Service Agreement shall remain in full force and effect. Delta US Natural Gas CompanyTrading August 20, Inc., Sxxxxxx Division 2020 Columbia Gulf Gas Transmission, LLC By000 Xxxxxxxxx, Xxxxx 000 Houston, Texas 77002 August 18, 2020 Castleton Commodities Merchant Trading L.P. 000 Xxxx Xx, Xxxxx 0000 Houston, TX 77002 Attention: Sxxxxxx Xxxx ByXxxxxxx RE: Mxxx Xxxxx ItsFTS Service Agreement No. 240512 Negotiated Rate Letter Agreement Dear Xxxx: Agent Its: Director Commercial Services Date: April 28This Negotiated Rate Letter Agreement (“NRL”) between Columbia Gas Transmission, 2010 Date: April 27LLC (“Transporter” or “TCO”) and Castleton Commodities Merchant Trading L.P. (“Shipper”), 2010 SERVICE AGREEMENT NOshall set forth the applicable rates and other rate provisions associated with the transportation service provided by Transporter to Shipper pursuant to the above-referenced Service Agreement. 43828 CONTROL NOTransporter and Shipper may be referred to individually as a “Party” or collectively as the “Parties”. 1994-07-02 – 0041 FTS 1 SERVICE AGREEMENT THIS AGREEMENT, made Shipper and entered into this 4th day of October, 1994, by and between: COLUMBIA GULF TRANSMISSION COMPANY ("TRANSPORTER") AND DELTA NATURAL GAS CO., INC. ("SHIPPER")Transporter hereby agree:

Superseded Agreements. This Service Agreement supersedes and cancels, as of the effective date hereof, the following Service Agreements: FTS1 37824 DELTA NATURAL GAS CO., INC. By: /s/Axxx X. Xxxxx Name: Axxx X. Xxxxx Title: Vice President – Operations and Engineering Date: September 30, 1994 Agreement(s): FTS-1 156198 Revision 1 TEXLA ENERGY MANAGEMENT INC COLUMBIA GULF TRANSMISSION COMPANY By: /s/ S. X. Xxxxxxx Name: S. X. Xxxxxxx Title: Vice President Date: 10/11/94 TRANSMISSION, LLC By _Michael Purdes By _Xxxxx Xxxxxx Title NE Trader/Scheduler Title Date September 21, 2016 Date _September 20, 2016 Appendix A to Service Agreement No. 43827 Revision No. 2 156198 Under Rate Schedule FTS-1 Between (Transporter) between Columbia Gulf Transmission Company Transmission, LLC (“Transporter”) and (Shipper) Delta Natural Gas Company, Inc., Sxxxxxx Division Texla Energy Management Inc. Transportation Demand Begin Date End Date Transportation Demand Dth/day Recurrence Interval November 1, 1994 2016 October 31, 2010 860 1/1 – 12/31 November 1, 2010 October 31, 2015 860 1/1 – 2017 118,542 1/1-12/31 Primary Receipt Points Begin Date End Date Measuring Point No. Measuring Point Name Maximum Daily Quantity (Dth/Dayday) Recurrence Interval November 1, 1994 2016 October 31, 2010 2700010 CGT – Rayne 860 1/1 – 12/31 November 12017 3194 Tetco/Xxxxx Co., 2010 October 31, 2015 2700010 CGT – Rayne 860 1/1 – KY Receipt 118,542 1/1-12/31 Primary Delivery Points Begin Date End Date Measuring Point No. Measuring Point Name Maximum Daily Quantity (Dth/Dayday) Recurrence Interval November 1, 1994 2016 October 31, 2010 2017 801 Gulf - Lxxxx 860 1/1 – Gulf-Xxxxx 118,542 1/1-12/31 Appendix A to Service Agreement No. 43827 Revision No. 2 Under Rate Schedule FTS-1 Between (Transporter) Columbia Gulf Transmission Company and (Shipper) Delta Natural Gas Company, Inc., Sxxxxxx Division The Master List of Interconnects (“MLI”) as defined in Section 1 of the General Terms and Conditions of Transporter’s Tariff is incorporated herein by reference for purposes of listing valid secondary interruptible receipt points and delivery points. _____ Transporter and Shipper have mutually agreed to the following maximum or minimum pressure commitments: Yes __X__ X No (Check applicable blank) Transporter and Shipper have mutually agreed to a Regulatory Restructuring Reduction Option pursuant to Section 34 33 of the General Terms and Conditions of Transporter's FERC Gas Tariff. _____ Yes __X__ X No (Check applicable blank) Shipper has a contractual right of first refusal equivalent to the right of first refusal set forth from time to time in Section 4 of the General Terms and Conditions of Transporter's FERC Gas Tariff. _____ Yes __X__ No (Check applicable blank) All gas shall be delivered at existing points of interconnection within the Maximum Daily Quantity, as applicable, set forth in Transporter's currently effective Rate Schedule FTS-1 Appendix A with Shipper, which for such points set forth are incorporated by reference. _____ Yes __X__ X No (Check applicable blank) This Service Agreement covers interim capacity sold pursuant to the provisions of General Terms and Conditions Section 4.2(j)4. Right of first refusal rights, if andany, applicable to this interim capacity are limited as provided for in General Terms and Conditions Section 4.2(j)4. CANCELLATION OF PREVIOUS APPENDIX A Service changes pursuant to this Appendix A, Revision No. 2 shall commence as of November 01, 2010. This Appendix A, Revision No. 2 shall cancel and supersede the previous Appendix A, Revision No. 1 to the Service Agreement dated November 01, 1994. With the exception of this Appendix A, Revision No. 2, all other terms and conditions of said Service Agreement shall remain in full force and effect. Delta Natural Gas Company, Inc., Sxxxxxx Division Columbia Gulf TransmissionTEXLA ENERGY COLUMBIA GULF TRANSMISSION, LLC By: Sxxxxxx Xxxx By: Mxxx Xxxxx Its: Agent Its: Director Commercial Services Date: April 28, 2010 Date: April 27, 2010 SERVICE AGREEMENT NO. 43828 CONTROL NO. 1994-07-02 – 0041 FTS 1 SERVICE AGREEMENT THIS AGREEMENT, made and entered into this 4th day of October, 1994, by and between: COLUMBIA GULF TRANSMISSION COMPANY ("TRANSPORTER") AND DELTA NATURAL GAS CO., MANAGEMENT INC. ("SHIPPER")By _Michael Purdes By _Xxxxx Xxxxxx Title _NE Trader/Scheduler Title

Superseded Agreements. This Service Agreement supersedes and cancels, as of the effective date hereof, the following Service Agreements: FTS1 37824 DELTA NATURAL GAS CO., Agreement(s): N/A. VITOL INC. By: /s/Axxx X. Xxxxx Name: Axxx X. Xxxxx Title: Vice President – Operations and Engineering Date: September 30, 1994 COLUMBIA GULF TRANSMISSION COMPANY By: /s/ S. X. TRANSMISSION, LLC By Title Date Xxxx Xxxxxxx Name: S. X. Xxxxxxx Title: Vice President Date: 10/11/94 Gas Scheduler 08/18/2020 By Title Date Xxx Xxxxxxxx Director 08/18/2020 Revision No. 0 Appendix A to Service Agreement No. 43827 Revision No. 2 240435 Under Rate Schedule FTS-1 Between (Transporter) between Columbia Gulf Transmission Company Transmission, LLC ("Transporter") and Vitol Inc. ("Shipper) Delta Natural Gas Company, Inc., Sxxxxxx Division "). Transportation Demand Begin Date Transportation End Date Transportation Demand Dth/day Recurrence Interval November 1, 1994 October 31, 2010 860 09/01/2020 03/31/2021 20,000 1/1 – 12/31 November 1, 2010 October 31, 2015 860 1/1 – - 12/31 Primary Receipt Points Measuring Maximum Daily Quantity Recurrence Begin Date End Date Measuring Point No. Measuring Point Name (Dth/day) Interval 09/01/2020 03/31/2021 2700010 CGT-RAYNE 20,000 1/1 - 12/31 Measuring Primary Delivery Points Maximum Daily Quantity (Dth/Day) Recurrence Interval November 1, 1994 October 31, 2010 2700010 CGT – Rayne 860 1/1 – 12/31 November 1, 2010 October 31, 2015 2700010 CGT – Rayne 860 1/1 – 12/31 Primary Delivery Points Begin Date End Date Measuring Point No. Measuring Point Name Maximum Daily Quantity (Dth/Dayday) Recurrence Interval November 1, 1994 October 31, 2010 09/01/2020 03/31/2021 801 Gulf GULF-XXXXX 20,000 1/1 - Lxxxx 860 1/1 – 12/31 Appendix A to Service Agreement No. 43827 Revision No. 2 Under Rate Schedule FTS-1 Between (Transporter) Columbia Gulf Transmission Company and (Shipper) Delta Natural Gas Company, Inc., Sxxxxxx Division The Master List of Interconnects ("MLI") as defined in Section 1 of the General Terms and Conditions of Transporter's Tariff is incorporated herein by reference for purposes of listing valid secondary interruptible receipt points and delivery points. _____ Transporter and Shipper have mutually agreed to the following maximum or minimum pressure commitments: Yes __X__ X No (Check applicable blank) Transporter and Shipper have mutually agreed to a Regulatory Restructuring Reduction Option pursuant to Section 34 33 of the General Terms and Conditions of Transporter's FERC Gas Tariff. _____ Yes __X__ X No (Check applicable blank) Shipper Xxxxxxx has a contractual right of first refusal equivalent to the right of first refusal set forth from time to time in Section 4 of the General Terms and Conditions of Transporter's FERC Gas Tariff. _____ Yes __X__ No (Check applicable blank) All gas shall be delivered at existing points of interconnection within the Maximum Daily Quantity, as applicable, set forth in Transporter's currently effective Rate Schedule FTS-1 Appendix A with Shipper, which for such points set forth are incorporated by reference. _____ Yes __X__ X No (Check applicable blank) This Service Agreement covers interim capacity sold pursuant to the provisions of General Terms and Conditions Section 4.2(j)4. Right of first refusal rights, if andany, applicable to this interim capacity are limited as provided for in General Terms and Conditions Section 4.2(j)4. CANCELLATION OF PREVIOUS APPENDIX A Service changes pursuant to this Appendix AVITOL INC. COLUMBIA GULF TRANSMISSION, Revision No. 2 shall commence as of November 01LLC By Title Xxxx Xxxxxxx Gas Scheduler By Title Xxx Xxxxxxxx Director Date 08/18/2020 Date 08/18/2020 August 14, 2010. This Appendix A2020 Vitol Inc. 1100 Louisiana, Revision No. 2 shall cancel and supersede the previous Appendix ASuite 5500 Houston, Revision No. 1 to the TX 77002 Attention: Xxxxxx Xxxxxx RE: FTS-1 Service Agreement dated November 01, 1994. With the exception of this Appendix A, Revision No. 2, all other terms and conditions of said Service No 240435 Negotiated Rate Letter Agreement shall remain in full force and effect. Delta Natural Gas Company, Inc., Sxxxxxx Division Dear Xxxxxx: Columbia Gulf Transmission, LLC By: Sxxxxxx Xxxx By: Mxxx 000 Xxxxxxxxx, Xxxxx Its: Agent Its: Director Commercial Services Date: April 28000 Houston, 2010 Date: April 27TX 77002 This Negotiated Rate Letter Agreement (“NRL”) between Columbia Gulf Transmission, 2010 SERVICE AGREEMENT NOLLC (“Transporter” or “CGT”) and Vitol Inc. (“Shipper”), shall set forth the applicable rates and other rate provisions associated with the transportation service provided by Transporter to Shipper pursuant to the above-referenced Service Agreement. 43828 CONTROL NOTransporter and Shipper may be referred to individually as a “Party” or collectively as the “Parties”. 1994-07-02 – 0041 FTS 1 SERVICE AGREEMENT THIS AGREEMENT, made Shipper and entered into this 4th day of October, 1994, by and between: COLUMBIA GULF TRANSMISSION COMPANY ("TRANSPORTER") AND DELTA NATURAL GAS CO., INC. ("SHIPPER")Transporter hereby agree:

Superseded Agreements. This Service Agreement supersedes and cancels, as of the effective date hereof, the following Service Agreements: FTS1 37824 DELTA NATURAL Agreement(s): N/A. SPOTLIGHT ENERGY, LLC COLUMBIA GAS CO.TRANSMISSION, INCLLC By Xxxxxxx Xxxxxxx By Xxx Xxxxxxxx Title Scheduler Title Director Date May 16, 2018 Date May 15, 2018 Revision No. By: /s/Axxx X. Xxxxx Name: Axxx X. Xxxxx Title: Vice President – Operations and Engineering Date: September 30, 1994 COLUMBIA GULF TRANSMISSION COMPANY By: /s/ S. X. Xxxxxxx Name: S. X. Xxxxxxx Title: Vice President Date: 10/11/94 0 Appendix A to Service Agreement No. 43827 Revision No. 2 204864 Under Rate Schedule FTS-1 Between FTS between Columbia Gas Transmission, LLC ("Transporter") Columbia Gulf Transmission Company and Spotlight Energy, LLC ("Shipper) Delta Natural Gas Company, Inc., Sxxxxxx Division "). Transportation Demand Begin Date End Date Transportation Demand Dth/day Recurrence Interval November 1, 1994 October 31, 2010 860 05/18/2018 10/31/2018 15,851 1/1 – 12/31 November 1, 2010 October 31, 2015 860 1/1 – - 12/31 Primary Receipt Points Minimum Maximum Receipt Daily Pressure Scheduling Measuring Quantity Obligation Recurrence Begin Date End Date Point No. Scheduling Point Name Point No. Measuring Point Name (Dth/day) (psig) 1/ Interval 05/18/2018 10/31/2018 C23 PENNSBURG-23 631929 PENNSBURG (74-000577) 15,851 1/1 - 12/31 Primary Delivery Points Begin Date End Date Scheduling Point No. Scheduling Point Name Measuring Point No. Measuring Point Name Maximum Daily Quantity Delivery Obligation (Dth/Dayday) Recurrence Interval November 1, 1994 October 31, 2010 2700010 CGT – Rayne 860 1/1 – 12/31 November 1, 2010 October 31, 2015 2700010 CGT – Rayne 860 1/1 – 12/31 Primary Delivery Points Begin Date End Date Measuring Point No. Measuring Point Name Maximum 1/ Design Daily Quantity (Dth/Dayday) 1/ Minimum Delivery Pressure Obligation (psig) 1/ Recurrence Interval November 105/18/2018 10/31/2018 E17 MARTINS CREEK - 21 638094 MARTINS CREEK #3/DELIVERY 15,851 1/1 - 12/31 1/ Application of MDDOs, 1994 October 31DDQs and ADQs, 2010 801 Gulf - Lxxxx 860 1/1 – 12/31 Appendix A to Service Agreement No. 43827 Revision No. 2 Under Rate Schedule FTS-1 Between (Transporter) Columbia Gulf Transmission Company and (Shipper) Delta Natural Gas Company, Inc., Sxxxxxx Division minimum pressure and/or hourly flowrate shall be as follows: The Master List of Interconnects ("MLI") as defined in Section 1 of the General Terms and Conditions of Transporter's Tariff is incorporated herein by reference for purposes of listing valid secondary interruptible receipt points and delivery points. _____ Yes __X__ X No (Check applicable blank) Transporter and Shipper have mutually agreed to a Regulatory Restructuring Reduction Option pursuant to Section 34 42 of the General Terms and Conditions of Transporter's FERC Gas Tariff. _____ Yes __X__ X No (Check applicable blank) Shipper Xxxxxxx has a contractual right of first refusal equivalent to the right of first refusal set forth from time to time in Section 4 of the General Terms and Conditions of Transporter's FERC Gas Tariff. _____ Yes __X__ X No (Check applicable blank) All gas shall be delivered at existing points of interconnection within the Maximum Daily QuantityMDDOs, ADQs and/or DDQs, as applicable, set forth in Transporter's currently effective Rate Schedule FTS-1 Service Agreement No. Appendix A with Shipper, which for such points set forth are incorporated herein by reference. _____ Yes __X__ X No (Check applicable blank) This Service Agreement covers interim capacity sold pursuant to the provisions of General Terms and Conditions Section 4.2(j)4. Right of first refusal rights, if andany, applicable to this interim capacity are limited as provided for in General Terms and Conditions Section 4.2(j)4. CANCELLATION OF PREVIOUS APPENDIX A Yes X No (Check applicable blank) This Service changes Agreement covers offsystem capacity sold pursuant to Section 47 of the General Terms and Conditions. Right of first refusal rights, if any, applicable to this Appendix A, Revision Nooffsystem capacity are limited as provided for in General Terms and Conditions Section 47. 2 shall commence as of November 01, 2010. This Appendix A, Revision No. 2 shall cancel and supersede the previous Appendix A, Revision No. 1 to the Service Agreement dated November 01, 1994. With the exception of this Appendix A, Revision No. 2, all other terms and conditions of said Service Agreement shall remain in full force and effect. Delta Natural Gas Company, Inc., Sxxxxxx Division Columbia Gulf TransmissionSPOTLIGHT ENERGY, LLC By: Sxxxxxx Xxxx By: Mxxx Xxxxx Its: Agent Its: Director Commercial Services Date: April 28COLUMBIA GAS TRANSMISSION, 2010 Date: April 27, 2010 SERVICE AGREEMENT NO. 43828 CONTROL NO. 1994-07-02 – 0041 FTS 1 SERVICE AGREEMENT THIS AGREEMENT, made and entered into this 4th day of October, 1994, by and between: COLUMBIA GULF TRANSMISSION COMPANY ("TRANSPORTER") AND DELTA NATURAL GAS CO., INC. ("SHIPPER")LLC By Xxxxxxx Xxxxxxx By Xxx Xxxxxxxx Title Scheduler Title Director

Superseded Agreements. This Service Agreement supersedes and cancels, as of the effective date hereof, the following Service Agreements: FTS1 37824 DELTA 37929 PIEDMONT NATURAL GAS CO., INC. CO By: /s/Axxx X. Xxxxx /s/ C. W. Xxxxxxx ---------------------- Name: Axxx X. Xxxxx TitleC.W. Xxxxxxx Xxxle: Vice President – Operations and Engineering Date: September 3019, 1994 COLUMBIA GULF TRANSMISSION COMPANY By: /s/ S. X. M. Xxxxxxx --------------------- Name: S. X. M. Xxxxxxx TitleXxxle: Vice President Date: 10/11/94 9-19-94 Revision No. Control No. 1994--07--02-0006 Appendix A to Service Agreement No. 43827 Revision No. 2 43461 Under Rate Schedule FTS-1 FTS1 Between (Transporter) Columbia Gulf Transmission Company COLUMBIA GULF TRANSMISSION COMPANY and (Shipper) Delta Natural Gas Company, Inc., Sxxxxxx Division PIEDMONT NATURAL GAS CO Transportation Demand Begin Date End Date Transportation Demand 23,455 Dth/day Recurrence Interval November 1, 1994 October 31, 2010 860 1/1 – 12/31 November 1, 2010 October 31, 2015 860 1/1 – 12/31 F o o Primary Receipt Points Begin Date End Date t n o Measuring t Measuring Maximum Daily Point No. Measuring e Point Name Maximum Daily Quantity (Dth/Day) Recurrence Interval November 1, 1994 October 31, 2010 --------- - ---------- ------------------ 2700010 CGT – Rayne 860 1/1 – 12/31 November 1, 2010 October 31, 2015 2700010 CGT – Rayne 860 1/1 – 12/31 Primary Delivery Points Begin Date End Date Measuring Point 01 CGT-RAYNE 23,455 Revision No Control No. Measuring Point Name Maximum Daily Quantity (Dth/Day) Recurrence Interval November 1, 1994 October 31, 2010 801 Gulf - Lxxxx 860 1/1 – 12/31 1994-07-02-0006 Appendix A to Service Agreement No. 43827 Revision No. 2 43461 Under Rate Schedule FTS-1 FTS1 Between (Transporter) Columbia Gulf Transmission Company COLUMBIA GULF TRANSMISSION COMPANY and (Shipper) Delta Natural Gas Company, Inc., Sxxxxxx Division PIEDMONT NATURAL GAS CO Primary Delivery Points Measuring Footnote Measuring Maximum Daily Point No. Point Name Quantity (Dth/Day) ------------------------------------------------------------------------------- 801 01 TCO-LEACX 23,455 Revision No. Control No. 1994-00-0000 Appendix A to Service Agreement No. 43461 Under Rate Schedule FTS1 Between(Seller)COLUMBIA GULF TRANSMISSION COMPANY and(Buyer) PIEDMONT NATURAL GAS CO FN01/ THE TRANSPORTATION DEMAND AND THE FIRM CAPACITY RIGHTS WILL FLUCTUATE SEASONALLY FOR THIS MEASURING POINT. DURING THE WINTER SEASON (11-01 THROUGH 03-31) THE TRANSPORTATION DEMAND RIGHTS WILL BE 23,455 DTH/D AND DURING THE SUMMER SEASON (04-01 THROUGH 10-31) THE TRANSPORTATION DEMAND WILL BE 21,583 DTH/D. Revision No. Control No. 1994-07-02-0006 Appendix A to Service Agreement No. 43461 Under Rate Schedule FTS1 Between (Transporter) COLUMBIA GULF TRANSMISSION COMPANY and (Shipper) PIEDMONT NATURAL GAS CO The Master List of Interconnects (MLI) as defined in Section 1 of the General Terms and Conditions is incorporated herein by reference for purposes of listing valid secondary interruptible receipt points and delivery points. _____ Yes __X__ No (Check applicable blank) Transporter and Shipper have mutually agreed to a Regulatory Restructuring Reduction Option pursuant to Section 34 of the General Terms and Conditions of Transporter's FERC Gas Tariff. _____ Yes __X__ No (Check applicable blank) Shipper has a contractual right of first refusal equivalent to the right of first refusal set forth from time to time in Section 4 of the General Terms and Conditions of Transporter's FERC Gas Tariff. _____ Yes __X__ No (Check applicable blank) All gas shall be delivered at existing points of interconnection within the Maximum Daily Quantity, as applicable, set forth in Transporter's currently effective Rate Schedule FTS-1 Appendix A with Shipper, which for such points set forth are incorporated by reference. _____ Yes __X__ No (Check applicable blank) This Service Agreement covers interim capacity sold pursuant to the provisions of General Terms and Conditions Section 4.2(j). Right of first refusal rights, if and, applicable to this interim capacity are limited as provided for in General Terms and Conditions Section 4.2(j). CANCELLATION OF PREVIOUS APPENDIX A Service changes pursuant to this Appendix A, Revision No. 2 A shall commence become effective as of November NOVEMBER 01, 20101994. This Appendix A, Revision No. 2 A shall cancel and supersede the previous Appendix A effective as of N/A, Revision No. 1 to the Service Agreement dated November 01, 1994referenced above. With the exception of this Appendix A, Revision No. 2, all other terms and conditions of said Service Agreement shall remain in full force and effect. Delta Natural Gas Company, Inc., Sxxxxxx Division Columbia Gulf Transmission, LLC PIEDMONT NATURAL GAS CO By: Sxxxxxx Xxxx By/s/ C. W. Xxxxxxx ---------------------------- Name: Mxxx Xxxxx ItsC.W. Xxxxxxx Xxxle: Agent Its: Director Commercial Services Vice President Date: April 28, 2010 Date: April 27, 2010 SERVICE AGREEMENT NO. 43828 CONTROL NO. 1994-07-02 – 0041 FTS 1 SERVICE AGREEMENT THIS AGREEMENT, made and entered into this 4th day of OctoberSeptember 19, 1994, by and between: COLUMBIA GULF TRANSMISSION COMPANY ("TRANSPORTER") AND DELTA NATURAL GAS CO., INC. ("SHIPPER")

Superseded Agreements. This Service Agreement supersedes and cancels, as of the effective date hereof, the following Service Agreements: FTS1 37824 DELTA NATURAL GAS CO., INC. By: /s/Axxx X. Xxxxx Name: Axxx X. Xxxxx Title: Vice President – Operations and Engineering Date: September 30, 1994 Agreement(s): FTS-1 156198 Revision 0 TEXLA ENERGY MANAGEMENT INC COLUMBIA GULF TRANSMISSION COMPANY By: /s/ S. X. Xxxxxxx Name: S. X. Xxxxxxx Title: Vice President Date: 10/11/94 TRANSMISSION, LLC By _Michael Purdes By _Xxxxx Xxxxxx Title NE Trader/Scheduler Title _SVP Commercial Operations_ Date October 1, 2015_ Date _October 1, 2015 Revision No. 1 Appendix A to Service Agreement No. 43827 Revision No. 2 156198 Under Rate Schedule FTS-1 Between (Transporter) between Columbia Gulf Transmission Company Transmission, LLC (“Transporter”) and (Shipper) Delta Natural Gas Company, Inc., Sxxxxxx Division Texla Energy Management Inc. Transportation Demand Begin Date End Date Transportation Demand Dth/day Recurrence Interval November October 1, 1994 2015 March 31, 2016 128,542 1/1-12/31 April 1, 2016 October 31, 2010 860 1/1 – 12/31 November 1, 2010 October 31, 2015 860 1/1 – 2016 103,542 1/1-12/31 Primary Receipt Points Begin Date End Date Measuring Point No. Measuring Point Name Maximum Daily Quantity (Dth/Dayday) Recurrence Interval November October 1, 1994 2015 March 31, 2016 3194 Tetco/Xxxxx Co., KY Receipt 128,542 1/1-12/31 October 31, 2010 2700010 CGT – Rayne 860 1/1 – 12/31 November Tetco/Xxxxx Co., April 1, 2010 October 31, 2015 2700010 CGT – Rayne 860 1/1 – 2016 2016 3194 KY Receipt 103,542 1/1-12/31 Primary Delivery Points Begin Date October 1, End Date March 31, Measuring Point No. Measuring Point Name Maximum Daily Quantity (Dth/Dayday) Recurrence Interval November April 1, 1994 2016 2016 801 Gulf-Xxxxx 128,542 1/1-12/31 October 31, 2010 2016 801 Gulf - Lxxxx 860 1/1 – Gulf-Xxxxx 103,542 1/1-12/31 Appendix A to Service Agreement No. 43827 Revision No. 2 Under Rate Schedule FTS-1 Between (Transporter) Columbia Gulf Transmission Company and (Shipper) Delta Natural Gas Company, Inc., Sxxxxxx Division The Master List of Interconnects (“MLI”) as defined in Section 1 of the General Terms and Conditions of Transporter’s Tariff is incorporated herein by reference for purposes of listing valid secondary interruptible receipt points and delivery points. _____ Transporter and Shipper have mutually agreed to the following maximum or minimum pressure commitments: Yes __X__ X No (Check applicable blank) Transporter and Shipper have mutually agreed to a Regulatory Restructuring Reduction Option pursuant to Section 34 33 of the General Terms and Conditions of Transporter's FERC Gas Tariff. _____ Yes __X__ X No (Check applicable blank) Shipper has a contractual right of first refusal equivalent to the right of first refusal set forth from time to time in Section 4 of the General Terms and Conditions of Transporter's FERC Gas Tariff. _____ Yes __X__ No (Check applicable blank) All gas shall be delivered at existing points of interconnection within the Maximum Daily Quantity, as applicable, set forth in Transporter's currently effective Rate Schedule FTS-1 Appendix A with Shipper, which for such points set forth are incorporated by reference. _____ Yes __X__ X No (Check applicable blank) This Service Agreement covers interim capacity sold pursuant to the provisions of General Terms and Conditions Section 4.2(j)4. Right of first refusal rights, if andany, applicable to this interim capacity are limited as provided for in General Terms and Conditions Section 4.2(j)4. CANCELLATION OF PREVIOUS APPENDIX A Service changes pursuant to this Appendix A, Revision No. 2 shall commence as of November 01, 2010. This Appendix A, Revision No. 2 shall cancel and supersede the previous Appendix A, Revision No. 1 to the Service Agreement dated November 01, 1994. With the exception of this Appendix A, Revision No. 2, all other terms and conditions of said Service Agreement shall remain in full force and effect. Delta Natural Gas Company, Inc., Sxxxxxx Division Columbia Gulf TransmissionTEXLA ENERGY COLUMBIA GULF TRANSMISSION, LLC By: Sxxxxxx Xxxx By: Mxxx Xxxxx Its: Agent Its: Director Commercial Services Date: April 28, 2010 Date: April 27, 2010 SERVICE AGREEMENT NO. 43828 CONTROL NO. 1994-07-02 – 0041 FTS 1 SERVICE AGREEMENT THIS AGREEMENT, made and entered into this 4th day of October, 1994, by and between: COLUMBIA GULF TRANSMISSION COMPANY ("TRANSPORTER") AND DELTA NATURAL GAS CO., MANAGEMENT INC. ("SHIPPER")By _Michael Purdes By _Xxxxx Xxxxxx Title _NE Trader/Scheduler Title _SVP Commercial Operations_

Superseded Agreements. This Service Agreement supersedes and cancels, as of the effective date hereof, the following Service Agreements: FTS1 37824 DELTA NATURAL Agreement(s): N/X. XXXXXXXXXX POWER, L.L.C COLUMBIA GAS CO.TRANSMISSION, INC. By: /s/Axxx X. Xxxxx Name: Axxx X. Xxxxx Title: LLC ________ By Title By _ Title _Vice President – Operations and Engineering Date: September 30Date Date July 29, 1994 COLUMBIA GULF TRANSMISSION COMPANY By: /s/ S. X. Xxxxxxx Name: S. X. Xxxxxxx Title: Vice President Date: 10/11/94 2020 Revision No. 0 Appendix A to Service Agreement No. 43827 Revision No. 2 237931 Under Rate Schedule FTS-1 Between FTS between Columbia Gas Transmission, LLC (“Transporter”) Columbia Gulf Transmission Company and Xxxxxxxxxx Power, L.L.C. (“Shipper”) Delta Natural Gas Company, Inc., Sxxxxxx Division Transportation Demand Begin Date End Date Transportation Demand Dth/day Recurrence Interval November 1, 1994 October 31, 2010 860 1/1 – 12/31 November 1, 2010 October 31, 2015 860 1/ 1/ 96,000 1/1 – 12/31 Primary Receipt Points Begin End Scheduling Scheduling Point Measuring Measuring Maximum Daily Minimum Receipt Pressure Obligation Recurrence Date End Date Measuring Point No. Measuring Name Point No. Point Name Maximum Daily Quantity (Dth/Dayday) Recurrence (psig) 2/ Interval November 1, 1994 October 31, 2010 2700010 CGT – Rayne 860 1/ 1/ TBD Nexus Interconnect TBD Nexus Interconnect 96,000 470 1/1 – 12/31 November 1, 2010 October 31, 2015 2700010 CGT – Rayne 860 DocuSign Envelope ID: 66DF2152-9760-4549-AD48-0399C4C81645 Primary Delivery Points Minimum Delivery Maximum Daily Design Daily Pressure Begin End Scheduling Scheduling Measuring Measuring Delivery Obligation Quantity Obligation Recurrence Date Date Point No. Point Name Point No. Point Name (Dth/day) 2/ (Dth/day) 2/ (psig) 2/ Interval 1/ 1/ 736798 X. Xxxxxx 736798 X. Xxxxxx 96,000 440 1/1 – 12/31 1/ Per section 2 of the Service Agreement 2/ Application of MDDOs, DDQs and ADQs, minimum pressure and/or hourly flowrate shall be as follows: Subject to the provisions of Section 9 of the Tariff, Transporter and Shipper agree to a variable hourly flow rate for the Initial and Extended Term at the Shipper’s Primary Delivery Points Begin Date End Date Measuring Receipt Point Nothat does not exceed the hourly flow rate received from Upstream Interconnecting Pipeline at Shipper’s Primary Receipt Point and does not have an adverse effect on the daily operations of Transporter’s system. Measuring Point Name Maximum Daily Quantity (The hourly flow rate received from Upstream Interconnecting Pipeline shall not exceed 4,500 Dth/Day) Recurrence Interval November 1hour over any six-hour period per day. During the Initial Term or any Extended Term, 1994 October 31Transporter agrees, 2010 801 Gulf - Lxxxx 860 1/1 – 12/31 Appendix A to Service Agreement Nothe extent practicable, to allow Shipper to be part of the interconnect flow discussions with the Upstream Interconnecting Pipeline for the purpose of managing variable hourly flow rates from the Primary Receipt Point. 43827 Revision NoWhen gas is delivered to Transporter at Shipper’s Primary Point of Receipt, Transporter shall deliver gas to Shipper’s Primary Point of Delivery at a pressure of at least 440 psig. 2 Under Rate Schedule FTS-1 Between (However, Transporter shall have no such obligation to deliver gas to Shipper’s Primary Point of Delivery at the pressure specified above if gas is delivered to Transporter at Shipper’s Primary Point of Receipt at a pressure of less than 470 psig or if the pressure would have an adverse effect on the daily operations of Transporter) Columbia Gulf Transmission Company and (Shipper) Delta Natural Gas Company, Inc., Sxxxxxx Division ’s system. The Master List of Interconnects (“MLI”) as defined in Section 1 of the General Terms and Conditions of Transporter’s Tariff is incorporated herein by reference for purposes of listing valid secondary interruptible receipt points and delivery points. _____ DocuSign Envelope ID: 66DF2152-9760-4549-AD48-0399C4C81645 Yes __X__ X No (Check applicable blank) Transporter and Shipper have mutually agreed to a Regulatory Restructuring Reduction Option pursuant to Section 34 42 of the General Terms and Conditions of Transporter's FERC Gas Tariff. _____ Yes __X__ X No (Check applicable blank) Shipper has a contractual right of first refusal equivalent to the right of first refusal set forth from time to time in Section 4 of the General Terms and Conditions of Transporter's FERC Gas Tariff. _____ Yes __X__ X No (Check applicable blank) All gas shall be delivered at existing points of interconnection within the Maximum Daily QuantityMDDOs, ADQs and/or DDQs, as applicable, set forth in Transporter's ’s currently effective Rate Schedule FTS-1 FTS Service Agreement No. Appendix A with Shipper, which for such points set forth are incorporated herein by reference. _____ DocuSign Envelope ID: 66DF2152-9760-4549-AD48-0399C4C81645 Yes __X__ No X_No (Check applicable blank) This Service Agreement covers interim capacity sold pursuant to the provisions of General Terms and Conditions Section 4.2(j)4. Right of first refusal rights, if andany, applicable to this interim capacity are limited as provided for in General Terms and Conditions Section 4.2(j)4. CANCELLATION OF PREVIOUS APPENDIX A Yes _X_No (Check applicable blank) This Service changes Agreement covers offsystem capacity sold pursuant to Section 47 of the General Terms and Conditions. Right of first refusal rights, if any, applicable to this Appendix Aoffsystem capacity are limited as provided for in General Terms and Conditions Section 47. XXXXXXXXXX POWER, Revision L.L.C COLUMBIA GAS TRANSMISSION, LLC ________ By _ _ By Title _ Date Title Date Vice President July 29, 2020 DocuSign Envelope ID: 66DF2152-9760-4549-AD48-0399C4C81645 237931 , 20 Xxxxxxxxxx Power, L.L.C. c/o Starwood Energy Group Global, Inc. 0 Xxxxxxxxx Xxxxxx Xxxx Greenwich, CT 06831 Attention: Xxxx Xxxxxxx Email: xxxxxxxx@xxxxxxxx.xxx RE: FTS Service Agreement No. 2 shall commence as of November 01, 2010237931 Negotiated Rate Letter Agreement Dear Xx. Xxxxxxx: This Appendix A, Revision No. 2 shall cancel and supersede the previous Appendix A, Revision No. 1 to the Service Negotiated Rate Letter Agreement dated November 01, 1994. With the exception of this Appendix A, Revision No. 2, all other terms and conditions of said Service Agreement shall remain in full force and effect. Delta Natural between Columbia Gas Company, Inc., Sxxxxxx Division Columbia Gulf Transmission, LLC By: Sxxxxxx Xxxx By: Mxxx Xxxxx Its: Agent Its: Director Commercial Services Date: April 28(“Transporter” or “TCO”) and Xxxxxxxxxx Power, 2010 Date: April 27L.L.C. (“Shipper”), 2010 SERVICE AGREEMENT NOshall set forth the applicable rates, calculations thereof, and rate provisions associated with the transportation service provided by Transporter to Shipper pursuant to the above-referenced Service Agreement. 43828 CONTROL NOTransporter and Shipper may be referred to individually as a “Party” or collectively as the “Parties”. 1994-07-02 – 0041 FTS 1 SERVICE AGREEMENT THIS AGREEMENT, made Shipper and entered into this 4th day of October, 1994, by and between: COLUMBIA GULF TRANSMISSION COMPANY ("TRANSPORTER") AND DELTA NATURAL GAS CO., INC. ("SHIPPER")Transporter hereby agree:

Superseded Agreements. This Service Agreement supersedes and cancels, as of the effective date hereof, the following Service Agreements: FTS1 37824 DELTA NATURAL GAS CO., INC. By: /sAgreement(s): N/Axxx X. Xxxxx Name: Axxx X. Xxxxx Title: Vice President – Operations and Engineering Date: September 30, 1994 XXXX & COMPANY LLC COLUMBIA GULF TRANSMISSION COMPANY By: /s/ S. X. TRANSMISSION, LLC By Xxx Xxxxxxx Name: S. X. Xxxxxxx Title: Vice President Date: 10/11/94 By Xxxxx Xxxxxxxx Title VP-Natural Gas Logistics Title Manager Date May 31, 2019 Date May 31, 2019 Revision No. 0 Appendix A to Service Agreement No. 43827 Revision No. 2 223196 Under Rate Schedule FTS-1 Between (Transporter) between Columbia Gulf Transmission Transmission, LLC ("Transporter") and X. Xxxx & Company and LLC ("Shipper) Delta Natural Gas Company, Inc., Sxxxxxx Division "). Transportation Demand Begin Date End Date Transportation Demand Dth/day Recurrence Interval November 1, 1994 October 31, 2010 860 06/01/2019 06/30/2019 10,000 1/1 – - 12/31 November 1, 2010 October 31, 2015 860 07/01/2019 07/31/2019 30,000 1/1 – - 12/31 Primary Receipt Points Measuring Maximum Daily Quantity Recurrence Begin Date End Date Measuring Point No. Measuring Point Name Maximum Daily Quantity (Dth/Dayday) Recurrence Interval November 1, 1994 October 31, 2010 06/01/2019 06/30/2019 2700010 CGT – Rayne 860 CGT-RAYNE 10,000 1/1 – - 12/31 November 1, 2010 October 31, 2015 07/01/2019 07/31/2019 2700010 CGT – Rayne 860 CGT-RAYNE 30,000 1/1 – - 12/31 Primary Delivery Points Measuring Maximum Daily Quantity Recurrence Begin Date End Date Measuring Point No. Measuring Point Name Maximum Daily Quantity (Dth/Dayday) Recurrence Interval November 1, 1994 October 31, 2010 06/01/2019 06/30/2019 801 Gulf GULF-XXXXX 10,000 1/1 - Lxxxx 860 12/31 07/01/2019 07/31/2019 801 GULF-XXXXX 30,000 1/1 – - 12/31 Appendix A to Service Agreement No. 43827 Revision No. 2 Under Rate Schedule FTS-1 Between (Transporter) Columbia Gulf Transmission Company and (Shipper) Delta Natural Gas Company, Inc., Sxxxxxx Division The Master List of Interconnects ("MLI") as defined in Section 1 of the General Terms and Conditions of Transporter's Tariff is incorporated herein by reference for purposes of listing valid secondary interruptible receipt points and delivery points. _____ Transporter and Shipper have mutually agreed to the following maximum or minimum pressure commitments: Yes __X__ X No (Check applicable blank) Transporter and Shipper have mutually agreed to a Regulatory Restructuring Reduction Option pursuant to Section 34 33 of the General Terms and Conditions of Transporter's FERC Gas Tariff. _____ Yes __X__ X No (Check applicable blank) Shipper Xxxxxxx has a contractual right of first refusal equivalent to the right of first refusal set forth from time to time in Section 4 of the General Terms and Conditions of Transporter's FERC Gas Tariff. _____ Yes __X__ No (Check applicable blank) All gas shall be delivered at existing points of interconnection within the Maximum Daily Quantity, as applicable, set forth in Transporter's currently effective Rate Schedule FTS-1 Appendix A with Shipper, which for such points set forth are incorporated by reference. _____ Yes __X__ X No (Check applicable blank) This Service Agreement covers interim capacity sold pursuant to the provisions of General Terms and Conditions Section 4.2(j)4. Right of first refusal rights, if andany, applicable to this interim capacity are limited as provided for in General Terms and Conditions Section 4.2(j)4. CANCELLATION OF PREVIOUS APPENDIX A Service changes pursuant to this Appendix AX. XXXX & COMPANY LLC COLUMBIA GULF TRANSMISSION, Revision No. 2 shall commence as of November 01, 2010. This Appendix A, Revision No. 2 shall cancel and supersede the previous Appendix A, Revision No. 1 to the Service Agreement dated November 01, 1994. With the exception of this Appendix A, Revision No. 2, all other terms and conditions of said Service Agreement shall remain in full force and effect. Delta LLC By Xxx Xxxxxxx By Xxxxx Xxxxxxxx Title VP-Natural Gas CompanyLogistics Title Manager Date May 31, Inc.2019 Date May 31, Sxxxxxx Division Columbia Gulf Transmission, LLC By: Sxxxxxx Xxxx By: Mxxx Xxxxx Its: Agent Its: Director Commercial Services Date: April 28, 2010 Date: April 27, 2010 SERVICE AGREEMENT NO. 43828 CONTROL NO. 1994-07-02 – 0041 FTS 1 SERVICE AGREEMENT THIS AGREEMENT, made and entered into this 4th day of October, 1994, by and between: COLUMBIA GULF TRANSMISSION COMPANY ("TRANSPORTER") AND DELTA NATURAL GAS CO., INC. ("SHIPPER")2019

Superseded Agreements. This Service Agreement supersedes and cancels, as of the effective date hereof, the following Service Agreements: FTS1 37824 DELTA NATURAL Agreement(s): N/A. ROANOKE GAS CO.COMPANY COLUMBIA GAS TRANSMISSION, INCLLC By /s/ Xxxxxxx Xxxxxx By /s/ Xxxxxx Xxxxx Title Title VP, Cust Svcs & Bus Int Date October 21, 2016 Date October 19, 2016 Revision No. By: /s/Axxx X. Xxxxx Name: Axxx X. Xxxxx Title: Vice President – Operations and Engineering Date: September 30, 1994 COLUMBIA GULF TRANSMISSION COMPANY By: /s/ S. X. Xxxxxxx Name: S. X. Xxxxxxx Title: Vice President Date: 10/11/94 0 Appendix A to Service Agreement No. 43827 Revision No. 2 181709 Under Rate Schedule FTS-1 Between FTS between Columbia Gas Transmission, LLC ("Transporter") Columbia Gulf Transmission and Roanoke Gas Company and ("Shipper) Delta Natural Gas Company, Inc., Sxxxxxx Division "). Transportation Demand Begin Date End Date Transportation Demand Dth/day Recurrence Interval November 1, 1994 October 31, 2010 860 04/01/2017 03/31/2027 7,000 1/1 – 12/31 November 1, 2010 October 31, 2015 860 1/1 – - 12/31 Primary Receipt Points Minimum Maximum Receipt Daily Pressure Scheduling Measuring Quantity Obligation Recurrence Begin Date End Date Measuring Point No. Scheduling Point Name Point No. Measuring Point Name Maximum Daily Quantity (Dth/Dayday) Recurrence (psig) 1/ Interval November 1, 1994 October 31, 2010 2700010 CGT – Rayne 860 04/01/2017 03/31/2017 801 TCO-XXXXX 801 TCO-XXXXX 7,000 1/1 – 12/31 November 1, 2010 October 31, 2015 2700010 CGT – Rayne 860 1/1 – - 12/31 Primary Delivery Points Maximum Minimum Daily Delivery Delivery Design Daily Pressure Scheduling Measuring Obligation Quantity Obligation Recurrence Begin Date End Date Measuring Point No. Scheduling Point Name Point No. Measuring Point Name Maximum Daily Quantity (Dth/Dayday) Recurrence 1/ (Dth/day) 1/ (psig) 1/ Interval November 104/01/2017 03/31/2027 62 ROANOKE GAS COMPANY 62 ROANOKE GAS COMPANY 7,000 1/1-12/31 1/ Application of MDDOs, 1994 October 31DDQs and ADQs, 2010 801 Gulf - Lxxxx 860 1/1 – 12/31 Appendix A to Service Agreement No. 43827 Revision No. 2 Under Rate Schedule FTS-1 Between (Transporter) Columbia Gulf Transmission Company and (Shipper) Delta Natural Gas Company, Inc., Sxxxxxx Division minimum pressure and/or hourly flowrate shall be as follows: The Master List of Interconnects ("MLI") as defined in Section 1 of the General Terms and Conditions of Transporter's Tariff is incorporated herein by reference for purposes of listing valid secondary interruptible receipt points and delivery points. _____ Yes __X__ X No (Check applicable blank) Transporter and Shipper have mutually agreed to a Regulatory Restructuring Reduction Option pursuant to Section 34 42 of the General Terms and Conditions of Transporter's FERC Gas Tariff. _____ Yes __X__ X No (Check applicable blank) Shipper has a contractual right of first refusal equivalent to the right of first refusal set forth from time to time in Section 4 of the General Terms and Conditions of Transporter's FERC Gas Tariff. _____ Yes __X__ No (Check applicable blank) All gas shall be delivered at existing points of interconnection within the Maximum Daily Quantity, as applicable, set forth in Transporter's currently effective Rate Schedule FTS-1 Appendix A with Shipper, which for such points set forth are incorporated by reference. _____ Yes __X__ No (Check applicable blank) This Service Agreement covers interim capacity sold pursuant to the provisions of General Terms and Conditions Section 4.2(j). Right of first refusal rights, if and, applicable to this interim capacity are limited as provided for in General Terms and Conditions Section 4.2(j). CANCELLATION OF PREVIOUS APPENDIX A Service changes pursuant to this Appendix A, Revision No. 2 shall commence as of November 01, 2010. This Appendix A, Revision No. 2 shall cancel and supersede the previous Appendix A, Revision No. 1 to the Service Agreement dated November 01, 1994. With the exception of this Appendix A, Revision No. 2, all other terms and conditions of said Service Agreement shall remain in full force and effect. Delta Natural Gas Company, Inc., Sxxxxxx Division Columbia Gulf Transmission, LLC By: Sxxxxxx Xxxx By: Mxxx Xxxxx Its: Agent Its: Director Commercial Services Date: April 28, 2010 Date: April 27, 2010 SERVICE AGREEMENT NO. 43828 CONTROL NO. 1994-07-02 – 0041 FTS 1 SERVICE AGREEMENT THIS AGREEMENT, made and entered into this 4th day of October, 1994, by and between: COLUMBIA GULF TRANSMISSION COMPANY ("TRANSPORTER") AND DELTA NATURAL GAS CO., INC. ("SHIPPER")

Superseded Agreements. This Service Agreement supersedes and cancels, as of the effective date hereof, the following Service Agreements: FTS1 37824 DELTA NATURAL GAS CO.Agreement(s): N/A. MERCURIA ENERGY AMERICA, INC. By: /s/Axxx X. COLUMBIA GAS TRANSMISSION, LLC By Xxx Xxxxx Name: Axxx X. By Xxxxx Title: Vice President – Operations and Engineering Date: September Xxxxxxxx Title Gas Scheduler Title Manager Date May 30, 1994 COLUMBIA GULF TRANSMISSION COMPANY By: /s/ S. X. Xxxxxxx Name: S. X. Xxxxxxx Title: Vice President Date: 10/11/94 2019 Date May 30, 2019 Revision No. 0 Appendix A to Service Agreement No. 43827 Revision No. 2 223214 Under Rate Schedule FTS-1 Between FTS between Columbia Gas Transmission, LLC ("Transporter") Columbia Gulf Transmission Company and Mercuria Energy America, Inc. ("Shipper) Delta Natural Gas Company, Inc., Sxxxxxx Division "). Transportation Demand Begin Date End Date Transportation Demand Dth/day Recurrence Interval November 1, 1994 October 31, 2010 860 06/01/2019 06/30/2019 20,000 1/1 – 12/31 November 1, 2010 October 31, 2015 860 1/1 – - 12/31 Primary Receipt Points Minimum Maximum Receipt Daily Pressure Scheduling Measuring Quantity Obligation Recurrence Begin Date End Date Measuring Point No. Scheduling Point Name Point No. Measuring Point Name Maximum Daily Quantity (Dth/Dayday) Recurrence (psig) 1/ Interval November 1, 1994 October 31, 2010 2700010 CGT – Rayne 860 06/01/2019 06/30/2019 A04 ALEXANDER AGG POINT 04 A04 ALEXANDER AGG POINT 04 20,000 1/1 – 12/31 November 1, 2010 October 31, 2015 2700010 CGT – Rayne 860 1/1 – - 12/31 Primary Delivery Points Maximum Minimum Daily Delivery Delivery Design Daily Pressure Scheduling Measuring Obligation Quantity Obligation Recurrence Begin Date End Date Measuring Point No. Scheduling Point Name Point No. Measuring Point Name Maximum Daily Quantity (Dth/Dayday) Recurrence 1/ (Dth/day) 1/ (psig) 1/ Interval November 106/01/2019 06/30/2019 801 TCO-XXXXX 801 TCO-XXXXX 20,000 1/1 - 12/31 1/ Application of MDDOs, 1994 October 31DDQs and ADQs, 2010 801 Gulf - Lxxxx 860 1/1 – 12/31 Appendix A to Service Agreement No. 43827 Revision No. 2 Under Rate Schedule FTS-1 Between (Transporter) Columbia Gulf Transmission Company and (Shipper) Delta Natural Gas Company, Inc., Sxxxxxx Division minimum pressure and/or hourly flowrate shall be as follows: The Master List of Interconnects ("MLI") as defined in Section 1 of the General Terms and Conditions of Transporter's Tariff is incorporated herein by reference for purposes of listing valid secondary interruptible receipt points and delivery points. _____ Yes __X__ X No (Check applicable blank) Transporter and Shipper have mutually agreed to a Regulatory Restructuring Reduction Option pursuant to Section 34 42 of the General Terms and Conditions of Transporter's FERC Gas Tariff. _____ Yes __X__ X No (Check applicable blank) Shipper Xxxxxxx has a contractual right of first refusal equivalent to the right of first refusal set forth from time to time in Section 4 of the General Terms and Conditions of Transporter's FERC Gas Tariff. _____ Yes __X__ X No (Check applicable blank) All gas shall be delivered at existing points of interconnection within the Maximum Daily QuantityMDDOs, ADQs and/or DDQs, as applicable, set forth in Transporter's currently effective Rate Schedule FTS-1 Service Agreement No. Appendix A with Shipper, which for such points set forth are incorporated herein by reference. _____ Yes __X__ X No (Check applicable blank) This Service Agreement covers interim capacity sold pursuant to the provisions of General Terms and Conditions Section 4.2(j)4. Right of first refusal rights, if andany, applicable to this interim capacity are limited as provided for in General Terms and Conditions Section 4.2(j)4. CANCELLATION OF PREVIOUS APPENDIX A Yes X No (Check applicable blank) This Service changes Agreement covers offsystem capacity sold pursuant to Section 47 of the General Terms and Conditions. Right of first refusal rights, if any, applicable to this Appendix A, Revision Nooffsystem capacity are limited as provided for in General Terms and Conditions Section 47. 2 shall commence as of November 01, 2010. This Appendix A, Revision No. 2 shall cancel and supersede the previous Appendix A, Revision No. 1 to the Service Agreement dated November 01, 1994. With the exception of this Appendix A, Revision No. 2, all other terms and conditions of said Service Agreement shall remain in full force and effect. Delta Natural Gas Company, Inc., Sxxxxxx Division Columbia Gulf Transmission, LLC By: Sxxxxxx Xxxx By: Mxxx Xxxxx Its: Agent Its: Director Commercial Services Date: April 28, 2010 Date: April 27, 2010 SERVICE AGREEMENT NO. 43828 CONTROL NO. 1994-07-02 – 0041 FTS 1 SERVICE AGREEMENT THIS AGREEMENT, made and entered into this 4th day of October, 1994, by and between: COLUMBIA GULF TRANSMISSION COMPANY ("TRANSPORTER") AND DELTA NATURAL GAS CO.MERCURIA ENERGY AMERICA, INC. ("SHIPPER")COLUMBIA GAS TRANSMISSION, LLC By Xxx Xxxxx By Xxxxx Xxxxxxxx Title Gas Scheduler Title Manager

Superseded Agreements. This Service Agreement supersedes and cancels, as of the effective date hereof, the following Service Agreements: FTS1 37824 DELTA NATURAL Agreement(s): N/A. MACQUARIE ENERGY LLC COLUMBIA GAS CO.TRANSMISSION, INCLLC By Title Date Xxxxxx XxXxxxxx 08/11/2020 By Xxxxx Xxxxxxxx Title Manager Date 08/07/2020 Revision No. By: /s/Axxx X. Xxxxx Name: Axxx X. Xxxxx Title: Vice President – Operations and Engineering Date: September 30, 1994 COLUMBIA GULF TRANSMISSION COMPANY By: /s/ S. X. Xxxxxxx Name: S. X. Xxxxxxx Title: Vice President Date: 10/11/94 0 Appendix A to Service Agreement No. 43827 Revision No. 2 240466 Under Rate Schedule FTS-1 Between FTS between Columbia Gas Transmission, LLC ("Transporter") Columbia Gulf Transmission Company and Macquarie Energy LLC ("Shipper) Delta Natural Gas Company, Inc., Sxxxxxx Division "). Transportation Demand Begin Date End Date Transportation Demand Dth/day Recurrence Interval November 1, 1994 October 31, 2010 860 09/01/2020 10/31/2021 50,000 1/1 – 12/31 November 1, 2010 October 31, 2015 860 1/1 – - 12/31 Primary Receipt Points Minimum Maximum Receipt Daily Pressure Scheduling Measuring Quantity Obligation Recurrence Begin Date End Date Measuring Point No. Scheduling Point Name Point No. Measuring Point Name Maximum Daily Quantity (Dth/Dayday) Recurrence (psig) 1/ Interval November 1, 1994 October 31, 2010 2700010 CGT – Rayne 860 09/01/2020 10/31/2021 842867 Xxxxxxx 50,000 1/1 – 12/31 November 1, 2010 October 31, 2015 2700010 CGT – Rayne 860 1/1 – - 12/31 Primary Delivery Points Maximum Minimum Daily Delivery Delivery Design Daily Pressure Scheduling Measuring Obligation Quantity Obligation Recurrence Begin Date End Date Measuring Point No. Scheduling Point Name Point No. Measuring Point Name Maximum Daily Quantity (Dth/Dayday) Recurrence 1/ (Dth/day) 1/ (psig) 1/ Interval November 109/01/2020 10/31/2021 801 TCO-XXXXX 801 TCO-XXXXX 50,000 1/1 - 12/31 1/ Application of MDDOs, 1994 October 31DDQs and ADQs, 2010 801 Gulf - Lxxxx 860 1/1 – 12/31 Appendix A to Service Agreement No. 43827 Revision No. 2 Under Rate Schedule FTS-1 Between (Transporter) Columbia Gulf Transmission Company and (Shipper) Delta Natural Gas Company, Inc., Sxxxxxx Division minimum pressure and/or hourly flowrate shall be as follows: The Master List of Interconnects ("MLI") as defined in Section 1 of the General Terms and Conditions of Transporter's Tariff is incorporated herein by reference for purposes of listing valid secondary interruptible receipt points and delivery points. _____ Yes __X__ X No (Check applicable blank) Transporter and Shipper have mutually agreed to a Regulatory Restructuring Reduction Option pursuant to Section 34 42 of the General Terms and Conditions of Transporter's FERC Gas Tariff. _____ Yes __X__ X No (Check applicable blank) Shipper Xxxxxxx has a contractual right of first refusal equivalent to the right of first refusal set forth from time to time in Section 4 of the General Terms and Conditions of Transporter's FERC Gas Tariff. _____ Yes __X__ X No (Check applicable blank) All gas shall be delivered at existing points of interconnection within the Maximum Daily QuantityMDDOs, ADQs and/or DDQs, as applicable, set forth in Transporter's currently effective Rate Schedule FTS-1 Service Agreement No. Appendix A with Shipper, which for such points set forth are incorporated herein by reference. _____ Yes __X__ X No (Check applicable blank) This Service Agreement covers interim capacity sold pursuant to the provisions of General Terms and Conditions Section 4.2(j)4. Right of first refusal rights, if andany, applicable to this interim capacity are limited as provided for in General Terms and Conditions Section 4.2(j)4. CANCELLATION OF PREVIOUS APPENDIX A Yes X No (Check applicable blank) This Service changes Agreement covers offsystem capacity sold pursuant to Section 47 of the General Terms and Conditions. Right of first refusal rights, if any, applicable to this Appendix A, Revision Nooffsystem capacity are limited as provided for in General Terms and Conditions Section 47. 2 shall commence as of November 01, 2010. This Appendix A, Revision No. 2 shall cancel and supersede the previous Appendix A, Revision No. 1 to the Service Agreement dated November 01, 1994. With the exception of this Appendix A, Revision No. 2, all other terms and conditions of said Service Agreement shall remain in full force and effect. Delta Natural Gas Company, Inc., Sxxxxxx Division Columbia Gulf TransmissionMACQUARIE ENERGY LLC COLUMBIA GAS TRANSMISSION, LLC ByBy Title Date Xxxxxx XxXxxxxx 08/11/2020 By Xxxxx Xxxxxxxx Title Manager Date 08/07/2020 DocuSign Envelope ID: Sxxxxxx Xxxx By24A28F90-DAFE-42FD-BEF1-D1061C3E864A DocuSign Envelope ID: Mxxx Xxxxx Its5C2269F6-A7F7-4405-876B-CF57D244BBE7 DocuSign Envelope ID: Agent Its24A28F90-DAFE-42FD-BEF1-D1061C3E864A DocuSign Envelope ID: Director Commercial Services Date5C2269F6-A7F7-4405-876B-CF57D244BBE7 Manager, USNG Contracts August 10, 2020 DocuSign Envelope ID: April 28, 2010 Date: April 27, 2010 SERVICE AGREEMENT NO. 43828 CONTROL NO. 199424A28F90-07DAFE-42FD-02 – 0041 FTS 1 SERVICE AGREEMENT THIS AGREEMENT, made and entered into this 4th day of October, 1994, by and between: COLUMBIA GULF TRANSMISSION COMPANY ("TRANSPORTER") AND DELTA NATURAL GAS CO., INC. ("SHIPPER")BEF1-D1061C3E864A

Superseded Agreements. This Service Agreement supersedes and cancels, as of the effective date hereof, the following Service Agreements: FTS1 37824 Agreement(s): FTS-1 No. 43827, Revision No. 2. DELTA NATURAL GAS COCOMPANY, INC., INC. By: /s/Axxx X. Xxxxx Name: Axxx X. Xxxxx Title: Vice President – Operations and Engineering Date: September 30, 1994 XXXXXXX DIVISION COLUMBIA GULF TRANSMISSION COMPANY By: /s/ S. X. Xxxxxxx Name: S. X. Xxxxxxx Title: TRANSMISSION, LLC By Xxxxx Xxxxxx By Xxxxx Xxxxxx Title Vice President Date: 10/11/94 Appendix A to Service Agreement No. 43827 Revision No. 2 Under Rate Schedule FTS-1 Between (Transporter) Columbia Gulf Transmission Company and (Shipper) Delta Natural Gas Company, Inc., Sxxxxxx Division Transportation Demand Begin President-Trans&Gas Supply Title Director Date End Date Transportation Demand Dth/day Recurrence Interval November 1, 1994 October 31, 2010 860 1/1 – 12/31 November 1, 2010 October 3129, 2015 860 1/1 – 12/31 Date October 19, 2015 Primary Receipt Points Begin Date End Date Measuring Point No. Measuring Point Name Maximum Daily Quantity (Dth/Dayday) Recurrence Interval November 1, 1994 2015 October 31, 2010 2020 2700010 CGT – Rayne CGT-RAYNE 860 1/1 – 12/31 November 1, 2010 October 31, 2015 2700010 CGT – Rayne 860 1/1 – - 12/31 Primary Delivery Points Begin Date End Date Measuring Point No. Measuring Point Name Maximum Daily Quantity (Dth/Dayday) Recurrence Interval November 1, 1994 2015 October 31, 2010 2020 801 Gulf - Lxxxx GULF-XXXXX 860 1/1 – - 12/31 Transportation Demand Begin Date End Date Transportation Demand Dth/day Recurrence Interval November 1, 2015 October 31, 2020 860 1/1 - 12/31 Appendix A to Service Agreement No. 43827 Revision No. 2 Under Rate Schedule FTS-1 Between (Transporter) between Columbia Gulf Transmission Company Transmission, LLC ("Transporter") and (Shipper) Delta Natural Gas Company, Inc., Sxxxxxx Xxxxxxx Division ("Shipper") Revision No. 3 The Master List of Interconnects ("MLI") as defined in Section 1 of the General Terms and Conditions of Transporter's Tariff is incorporated herein by reference for purposes of listing valid secondary interruptible receipt points and delivery points. Transporter and Shipper have mutually agreed to the following maximum or minimum pressure commitments: _____ Yes __X__ No (Check applicable blank) Transporter and Shipper have mutually agreed to a Regulatory Restructuring Reduction Option pursuant to Section 34 33 of the General Terms and Conditions of Transporter's FERC Gas Tariff. _____ Yes __X__ No (Check applicable blank) Shipper has a contractual right of first refusal equivalent to the right of first refusal set forth from time to time in Section 4 of the General Terms and Conditions of Transporter's FERC Gas Tariff. _____ Yes __X__ No (Check applicable blank) All gas shall be delivered at existing points of interconnection within the Maximum Daily Quantity, as applicable, set forth in Transporter's currently effective Rate Schedule FTS-1 Appendix A with Shipper, which for such points set forth are incorporated by reference. _____ Yes __X__ No (Check applicable blank) This Service Agreement covers interim capacity sold pursuant to the provisions of General Terms and Conditions Section 4.2(j)4. Right of first refusal rights, if andany, applicable to this interim capacity are limited as provided for in General Terms and Conditions Section 4.2(j)4. CANCELLATION OF PREVIOUS APPENDIX A Service changes pursuant to this Appendix A, Revision No. 2 shall commence as of November 01, 2010. This Appendix A, Revision No. 2 shall cancel and supersede the previous Appendix A, Revision No. 1 to the Service Agreement dated November 01, 1994. With the exception of this Appendix A, Revision No. 2, all other terms and conditions of said Service Agreement shall remain in full force and effect. Delta Natural Gas Company, Inc., Sxxxxxx Division Columbia Gulf Transmission, LLC By: Sxxxxxx Xxxx By: Mxxx Xxxxx Its: Agent Its: Director Commercial Services Date: April 28, 2010 Date: April 27, 2010 SERVICE AGREEMENT NO. 43828 CONTROL NO. 1994-07-02 – 0041 FTS 1 SERVICE AGREEMENT THIS AGREEMENT, made and entered into this 4th day of October, 1994, by and between: COLUMBIA GULF TRANSMISSION COMPANY ("TRANSPORTER") AND DELTA NATURAL GAS COCOMPANY, INC., INC. ("SHIPPER")XXXXXXX DIVISION COLUMBIA GULF TRANSMISSION, LLC By Xxxxx Xxxxxx By Xxxxx Xxxxxx Title Vice President-Trans&Gas Supply Title Director Date October 29, 2015 Date October 19, 2015

Superseded Agreements. This Service Agreement supersedes and cancels, as of the effective date hereof, the following Service Agreements: FTS1 37824 DELTA NATURAL Agreement(s): 145882 Revision 2 SWN ENERGY SERVICES COLUMBIA GAS CO.TRANSMISSION, INCLLC COMPANY, LLC By Xxxxx Xxxxx By Xxxxx X Xxxxxx Title VP-Marketing & Transportation Title SVP Commercial Operations Date September 29, 2015 Date September 29, 2015 Revision No. By: /s/Axxx X. Xxxxx Name: Axxx X. Xxxxx Title: Vice President – Operations and Engineering Date: September 30, 1994 COLUMBIA GULF TRANSMISSION COMPANY By: /s/ S. X. Xxxxxxx Name: S. X. Xxxxxxx Title: Vice President Date: 10/11/94 3 Appendix A to Service Agreement No. 43827 Revision No. 2 145882 Under Rate Schedule FTS-1 Between FTS between Columbia Gas Transmission, LLC (“Transporter”) Columbia Gulf Transmission Company and (Shipper) Delta Natural Gas SWN Energy Services Company, Inc., Sxxxxxx Division LLC (“Shipper”) Transportation Demand Begin Date End Date Transportation Demand Dth/day Recurrence Interval November 1, 1994 October 31, 2010 860 1/1 – 12/31 November 1, 2010 October 31, 2015 860 1/1 – 10/01/2015 See Section 2. Term 24,424 1/1-12/31 Primary Receipt Points Begin Date End Date Scheduling Point No. Scheduling Point Name Measuring Point No. Measuring Point Name Maximum Daily Quantity (Dth/Dayday) Minimum Receipt Pressure Obligation (psig) 1/ Recurrence Interval November 1, 1994 October 31, 2010 2700010 CGT – Rayne 860 1/1 – 12/31 November 1, 2010 October 31, 2015 2700010 CGT – Rayne 860 1/1 – 10/1/2015 See Section 2. Term 640168 Stagecoach 640168 Stagecoach 24,424 1/1-12/31 Primary Delivery Points Begin Date End Date Scheduling Point No. Scheduling Point Name Measuring Point No. Measuring Point Name Maximum Daily Delivery Obligation (Dth/day) 1/ Design Daily Quantity (Dth/Dayday) 1/ Minimum Delivery Pressure Obligation (psig) 1/ Recurrence Interval November 1See Section 2. Term LOUDOUN LNG LOUDOUN LNG 1/1-12/31 10/1/2015 LOUDOUN 837336 24,424 1/ Application of MDDOs, 1994 October 31DDQs and ADQs, 2010 801 Gulf - Lxxxx 860 1/1 – 12/31 Appendix A to Service Agreement No. 43827 Revision No. 2 Under Rate Schedule FTS-1 Between (Transporter) Columbia Gulf Transmission Company and (Shipper) Delta Natural Gas Company, Inc., Sxxxxxx Division minimum pressure and/or hourly flowrate shall be as follows: The Master List of Interconnects (“MLI”) as defined in Section 1 of the General Terms and Conditions of Transporter's Tariff is incorporated herein by reference for purposes of listing valid secondary interruptible receipt points and delivery points. _____ Yes __X__ No (Check applicable blank) Transporter and Shipper have mutually agreed to a Regulatory Restructuring Reduction Option pursuant to Section 34 42 of the General Terms and Conditions of Transporter's FERC Gas Tariff. _____ Yes __X__ No (Check applicable blank) Shipper has a contractual right of first refusal equivalent to the right of first refusal set forth from time to time in Section 4 of the General Terms and Conditions of Transporter's FERC Gas Tariff. _____ Yes __X__ No (Check applicable blank) All gas shall be delivered at existing points of interconnection within the Maximum Daily Quantity, as applicable, set forth in Transporter's currently effective Rate Schedule FTS-1 Appendix A with Shipper, which for such points set forth are incorporated by reference. _____ Yes __X__ No (Check applicable blank) This Service Agreement covers interim capacity sold pursuant to the provisions of General Terms and Conditions Section 4.2(j). Right of first refusal rights, if and, applicable to this interim capacity are limited as provided for in General Terms and Conditions Section 4.2(j). CANCELLATION OF PREVIOUS APPENDIX A Service changes pursuant to this Appendix A, Revision No. 2 shall commence as of November 01, 2010. This Appendix A, Revision No. 2 shall cancel and supersede the previous Appendix A, Revision No. 1 to the Service Agreement dated November 01, 1994. With the exception of this Appendix A, Revision No. 2, all other terms and conditions of said Service Agreement shall remain in full force and effect. Delta Natural Gas Company, Inc., Sxxxxxx Division Columbia Gulf Transmission, LLC By: Sxxxxxx Xxxx By: Mxxx Xxxxx Its: Agent Its: Director Commercial Services Date: April 28, 2010 Date: April 27, 2010 SERVICE AGREEMENT NO. 43828 CONTROL NO. 1994-07-02 – 0041 FTS 1 SERVICE AGREEMENT THIS AGREEMENT, made and entered into this 4th day of October, 1994, by and between: COLUMBIA GULF TRANSMISSION COMPANY ("TRANSPORTER") AND DELTA NATURAL GAS CO., INC. ("SHIPPER")

Superseded Agreements. This Service Agreement supersedes and cancels, as of the effective date hereof, the following Service Agreements: FTS1 37824 DELTA NATURAL GAS CO.Agreement(s): N/A. MERCURIA ENERGY AMERICA, INC. By: /s/Axxx X. COLUMBIA GAS TRANSMISSION, LLC By Xxx Xxxxx Name: Axxx X. By Xxxxxx Xxxxx Title: Vice President – Title Gas Scheduler Title VP Commercial Operations and Engineering Date: September Date October 30, 1994 COLUMBIA GULF TRANSMISSION COMPANY By: /s/ S. X. Xxxxxxx Name: S. X. Xxxxxxx Title: Vice President Date: 10/11/94 2018 Date October 30, 2018 Revision No. 0 Appendix A to Service Agreement No. 43827 Revision No. 2 211970 Under Rate Schedule FTS-1 Between FTS between Columbia Gas Transmission, LLC ("Transporter") Columbia Gulf Transmission Company and Mercuria Energy America, Inc. ("Shipper) Delta Natural Gas Company, Inc., Sxxxxxx Division "). Transportation Demand Begin Date End Date Transportation Demand Dth/day Recurrence Interval November 1, 1994 October 31, 2010 860 11/01/2018 11/30/2018 40,000 1/1 – 12/31 November 1, 2010 October 31, 2015 860 1/1 – - 12/31 Primary Receipt Points Begin Date End Date Scheduling Point No. Scheduling Point Name Measuring Point No. Measuring Point Name Maximum Daily Quantity (Dth/Dayday) Minimum Receipt Pressure Obligation (psig) 1/ Recurrence Interval November 1, 1994 October 31, 2010 2700010 CGT – Rayne 860 11/01/2018 11/30/2018 833097 BOSWELLS TAVERN (75- 007219) 833097 BOSWELLS TAVERN (75- 007219) 40,000 1/1 – 12/31 November 1, 2010 October 31, 2015 2700010 CGT – Rayne 860 1/1 – - 12/31 Primary Delivery Points Maximum Minimum Daily Delivery Delivery Design Daily Pressure Scheduling Measuring Obligation Quantity Obligation Recurrence Begin Date End Date Measuring Point No. Scheduling Point Name Point No. Measuring Point Name Maximum Daily Quantity (Dth/Dayday) Recurrence 1/ (Dth/day) 1/ (psig) 1/ Interval November 111/01/2018 11/30/2018 LOUDOUN LOUDOUN LNG 837337 LOUDOUN 40,000 1/1 - 12/31 1/ Application of MDDOs, 1994 October 31DDQs and ADQs, 2010 801 Gulf - Lxxxx 860 1/1 – 12/31 Appendix A to Service Agreement No. 43827 Revision No. 2 Under Rate Schedule FTS-1 Between (Transporter) Columbia Gulf Transmission Company and (Shipper) Delta Natural Gas Company, Inc., Sxxxxxx Division minimum pressure and/or hourly flowrate shall be as follows: The Master List of Interconnects ("MLI") as defined in Section 1 of the General Terms and Conditions of Transporter's Tariff is incorporated herein by reference for purposes of listing valid secondary interruptible receipt points and delivery points. _____ Yes __X__ X No (Check applicable blank) Transporter and Shipper have mutually agreed to a Regulatory Restructuring Reduction Option pursuant to Section 34 42 of the General Terms and Conditions of Transporter's FERC Gas Tariff. _____ Yes __X__ X No (Check applicable blank) Shipper Xxxxxxx has a contractual right of first refusal equivalent to the right of first refusal set forth from time to time in Section 4 of the General Terms and Conditions of Transporter's FERC Gas Tariff. _____ Yes __X__ X No (Check applicable blank) All gas shall be delivered at existing points of interconnection within the Maximum Daily QuantityMDDOs, ADQs and/or DDQs, as applicable, set forth in Transporter's currently effective Rate Schedule FTS-1 Service Agreement No. Appendix A with Shipper, which for such points set forth are incorporated herein by reference. _____ Yes __X__ X No (Check applicable blank) This Service Agreement covers interim capacity sold pursuant to the provisions of General Terms and Conditions Section 4.2(j)4. Right of first refusal rights, if andany, applicable to this interim capacity are limited as provided for in General Terms and Conditions Section 4.2(j)4. CANCELLATION OF PREVIOUS APPENDIX A Yes X No (Check applicable blank) This Service changes Agreement covers offsystem capacity sold pursuant to Section 47 of the General Terms and Conditions. Right of first refusal rights, if any, applicable to this Appendix A, Revision Nooffsystem capacity are limited as provided for in General Terms and Conditions Section 47. 2 shall commence as of November 01, 2010. This Appendix A, Revision No. 2 shall cancel and supersede the previous Appendix A, Revision No. 1 to the Service Agreement dated November 01, 1994. With the exception of this Appendix A, Revision No. 2, all other terms and conditions of said Service Agreement shall remain in full force and effect. Delta Natural Gas Company, Inc., Sxxxxxx Division Columbia Gulf Transmission, LLC By: Sxxxxxx Xxxx By: Mxxx Xxxxx Its: Agent Its: Director Commercial Services Date: April 28, 2010 Date: April 27, 2010 SERVICE AGREEMENT NO. 43828 CONTROL NO. 1994-07-02 – 0041 FTS 1 SERVICE AGREEMENT THIS AGREEMENT, made and entered into this 4th day of October, 1994, by and between: COLUMBIA GULF TRANSMISSION COMPANY ("TRANSPORTER") AND DELTA NATURAL GAS CO.MERCURIA ENERGY AMERICA, INC. ("SHIPPER")COLUMBIA GAS TRANSMISSION, LLC By Xxx Xxxxx By Xxxxxx Xxxxx Title Gas Scheduler Title VP Commercial Operations

Superseded Agreements. This Service Agreement supersedes and cancels, as of the effective date hereof, the following Service Agreements: FTS1 37824 DELTA NATURAL GAS CO.Agreement(s): N/A. MERCURIA ENERGY AMERICA, INC. By: /s/Axxx X. Xxxxx Name: Axxx X. Xxxxx Title: Vice President – Operations and Engineering Date: September 30, 1994 COLUMBIA GULF TRANSMISSION COMPANY By: /s/ S. X. Xxxxxxx Name: S. X. Xxxxxxx Title: Vice President Date: 10/11/94 TRANSMISSION, LLC By Xxx Xxxxx By Xxxxx Xxxxxxxx Title Gas Scheduler Title Manager Date May 31, 2019 Date May 31, 2019 Revision No. 0 Appendix A to Service Agreement No. 43827 Revision No. 2 223192 Under Rate Schedule FTS-1 Between (Transporter) between Columbia Gulf Transmission Company Transmission, LLC ("Transporter") and Mercuria Energy America, Inc. ("Shipper) Delta Natural Gas Company, Inc., Sxxxxxx Division "). Transportation Demand Begin Date Transportation End Date Transportation Demand Dth/day Recurrence Interval November 1, 1994 October 31, 2010 860 06/01/2019 06/30/2019 20,000 1/1 – 12/31 November 1, 2010 October 31, 2015 860 1/1 – - 12/31 Primary Receipt Points Measuring Maximum Daily Quantity Recurrence Begin Date End Date Measuring Point No. Measuring Point Name (Dth/day) Interval 06/01/2019 06/30/2019 2700010 CGT-RAYNE 20,000 1/1 - 12/31 Measuring Primary Delivery Points Maximum Daily Quantity (Dth/Day) Recurrence Interval November 1, 1994 October 31, 2010 2700010 CGT – Rayne 860 1/1 – 12/31 November 1, 2010 October 31, 2015 2700010 CGT – Rayne 860 1/1 – 12/31 Primary Delivery Points Begin Date End Date Measuring Point No. Measuring Point Name Maximum Daily Quantity (Dth/Dayday) Recurrence Interval November 1, 1994 October 31, 2010 06/01/2019 06/30/2019 801 Gulf GULF-XXXXX 20,000 1/1 - Lxxxx 860 1/1 – 12/31 Appendix A to Service Agreement No. 43827 Revision No. 2 Under Rate Schedule FTS-1 Between (Transporter) Columbia Gulf Transmission Company and (Shipper) Delta Natural Gas Company, Inc., Sxxxxxx Division The Master List of Interconnects ("MLI") as defined in Section 1 of the General Terms and Conditions of Transporter's Tariff is incorporated herein by reference for purposes of listing valid secondary interruptible receipt points and delivery points. _____ Transporter and Shipper have mutually agreed to the following maximum or minimum pressure commitments: Yes __X__ X No (Check applicable blank) Transporter and Shipper have mutually agreed to a Regulatory Restructuring Reduction Option pursuant to Section 34 33 of the General Terms and Conditions of Transporter's FERC Gas Tariff. _____ Yes __X__ X No (Check applicable blank) Shipper Xxxxxxx has a contractual right of first refusal equivalent to the right of first refusal set forth from time to time in Section 4 of the General Terms and Conditions of Transporter's FERC Gas Tariff. _____ Yes __X__ No (Check applicable blank) All gas shall be delivered at existing points of interconnection within the Maximum Daily Quantity, as applicable, set forth in Transporter's currently effective Rate Schedule FTS-1 Appendix A with Shipper, which for such points set forth are incorporated by reference. _____ Yes __X__ X No (Check applicable blank) This Service Agreement covers interim capacity sold pursuant to the provisions of General Terms and Conditions Section 4.2(j)4. Right of first refusal rights, if andany, applicable to this interim capacity are limited as provided for in General Terms and Conditions Section 4.2(j)4. CANCELLATION OF PREVIOUS APPENDIX A Service changes pursuant to this Appendix A, Revision No. 2 shall commence as of November 01, 2010. This Appendix A, Revision No. 2 shall cancel and supersede the previous Appendix A, Revision No. 1 to the Service Agreement dated November 01, 1994. With the exception of this Appendix A, Revision No. 2, all other terms and conditions of said Service Agreement shall remain in full force and effect. Delta Natural Gas Company, Inc., Sxxxxxx Division Columbia Gulf Transmission, LLC By: Sxxxxxx Xxxx By: Mxxx Xxxxx Its: Agent Its: Director Commercial Services Date: April 28, 2010 Date: April 27, 2010 SERVICE AGREEMENT NO. 43828 CONTROL NO. 1994-07-02 – 0041 FTS 1 SERVICE AGREEMENT THIS AGREEMENT, made and entered into this 4th day of October, 1994, by and between: COLUMBIA GULF TRANSMISSION COMPANY ("TRANSPORTER") AND DELTA NATURAL GAS CO.MERCURIA ENERGY AMERICA, INC. ("SHIPPER")COLUMBIA GULF TRANSMISSION, LLC By Xxx Xxxxx By Xxxxx Xxxxxxxx Title Gas Scheduler Title Manager

Superseded Agreements. This Service Agreement supersedes and cancels, as of the effective date hereof, the following Service Agreements: FTS1 37824 DELTA NATURAL Agreement(s): N/X. X. XXXX & COMPANY LLC COLUMBIA GAS CO.TRANSMISSION, INC. By: /s/Axxx X. LLC By Xxx Xxxxxxx By Xxxxx Name: Axxx X. Xxxxx Title: Vice President – Operations and Engineering Date: September Xxxxxxxx Title VP-Natural Gas Logistics Title Manager Date May 31, 2019 Date May 30, 1994 COLUMBIA GULF TRANSMISSION COMPANY By: /s/ S. X. Xxxxxxx Name: S. X. Xxxxxxx Title: Vice President Date: 10/11/94 2019 Revision No. 0 Appendix A to Service Agreement No. 43827 Revision No. 2 223197 Under Rate Schedule FTS-1 Between FTS between Columbia Gas Transmission, LLC ("Transporter") Columbia Gulf Transmission and X. Xxxx & Company and LLC ("Shipper) Delta Natural Gas Company, Inc., Sxxxxxx Division "). Transportation Demand Begin Date End Date Transportation Demand Dth/day Recurrence Interval November 1, 1994 October 31, 2010 860 06/01/2019 06/30/2019 10,000 1/1 – - 12/31 November 1, 2010 October 31, 2015 860 07/01/2019 07/31/2019 30,000 1/1 – - 12/31 Primary Receipt Points Minimum Maximum Receipt Daily Pressure Scheduling Measuring Quantity Obligation Recurrence Begin Date End Date Measuring Point No. Scheduling Point Name Point No. Measuring Point Name Maximum Daily Quantity (Dth/Dayday) Recurrence (psig) 1/ Interval November 1, 1994 October 31, 2010 2700010 CGT – Rayne 860 06/01/2019 06/30/2019 A04 ALEXANDER AGG POINT 04 A04 ALEXANDER AGG POINT 04 10,000 1/1 – - 12/31 November 1, 2010 October 31, 2015 2700010 CGT – Rayne 860 07/01/2019 07/31/2019 A04 ALEXANDER AGG POINT 04 A04 ALEXANDER AGG POINT 04 30,000 1/1 – - 12/31 Primary Delivery Points Maximum Minimum Daily Delivery Delivery Design Daily Pressure Scheduling Measuring Obligation Quantity Obligation Recurrence Begin Date End Date Measuring Point No. Scheduling Point Name Point No. Measuring Point Name Maximum Daily Quantity (Dth/Dayday) Recurrence 1/ (Dth/day) 1/ (psig) 1/ Interval November 106/01/2019 06/30/2019 801 TCO-XXXXX 801 TCO-XXXXX 10,000 1/1 - 12/31 07/01/2019 07/31/2019 801 TCO-XXXXX 801 TCO-XXXXX 30,000 1/1 - 12/31 1/ Application of MDDOs, 1994 October 31DDQs and ADQs, 2010 801 Gulf - Lxxxx 860 1/1 – 12/31 Appendix A to Service Agreement No. 43827 Revision No. 2 Under Rate Schedule FTS-1 Between (Transporter) Columbia Gulf Transmission Company and (Shipper) Delta Natural Gas Company, Inc., Sxxxxxx Division minimum pressure and/or hourly flowrate shall be as follows: The Master List of Interconnects ("MLI") as defined in Section 1 of the General Terms and Conditions of Transporter's Tariff is incorporated herein by reference for purposes of listing valid secondary interruptible receipt points and delivery points. _____ Yes __X__ X No (Check applicable blank) Transporter and Shipper have mutually agreed to a Regulatory Restructuring Reduction Option pursuant to Section 34 42 of the General Terms and Conditions of Transporter's FERC Gas Tariff. _____ Yes __X__ X No (Check applicable blank) Shipper Xxxxxxx has a contractual right of first refusal equivalent to the right of first refusal set forth from time to time in Section 4 of the General Terms and Conditions of Transporter's FERC Gas Tariff. _____ Yes __X__ X No (Check applicable blank) All gas shall be delivered at existing points of interconnection within the Maximum Daily QuantityMDDOs, ADQs and/or DDQs, as applicable, set forth in Transporter's currently effective Rate Schedule FTS-1 Service Agreement No. Appendix A with Shipper, which for such points set forth are incorporated herein by reference. _____ Yes __X__ X No (Check applicable blank) This Service Agreement covers interim capacity sold pursuant to the provisions of General Terms and Conditions Section 4.2(j)4. Right of first refusal rights, if andany, applicable to this interim capacity are limited as provided for in General Terms and Conditions Section 4.2(j)4. CANCELLATION OF PREVIOUS APPENDIX A Yes X No (Check applicable blank) This Service changes Agreement covers offsystem capacity sold pursuant to Section 47 of the General Terms and Conditions. Right of first refusal rights, if any, applicable to this Appendix Aoffsystem capacity are limited as provided for in General Terms and Conditions Section 47. X. XXXX & COMPANY LLC COLUMBIA GAS TRANSMISSION, Revision No. 2 shall commence as of November 01, 2010. This Appendix A, Revision No. 2 shall cancel and supersede the previous Appendix A, Revision No. 1 to the Service Agreement dated November 01, 1994. With the exception of this Appendix A, Revision No. 2, all other terms and conditions of said Service Agreement shall remain in full force and effect. Delta LLC By Xxx Xxxxxxx By Xxxxx Xxxxxxxx Title VP-Natural Gas Company, Inc., Sxxxxxx Division Columbia Gulf Transmission, LLC By: Sxxxxxx Xxxx By: Mxxx Xxxxx Its: Agent Its: Director Commercial Services Date: April 28, 2010 Date: April 27, 2010 SERVICE AGREEMENT NO. 43828 CONTROL NO. 1994-07-02 – 0041 FTS 1 SERVICE AGREEMENT THIS AGREEMENT, made and entered into this 4th day of October, 1994, by and between: COLUMBIA GULF TRANSMISSION COMPANY ("TRANSPORTER") AND DELTA NATURAL GAS CO., INC. ("SHIPPER")Logistics Title Manager

Superseded Agreements. This Service Agreement supersedes and cancels, as of the effective date hereof, the following Service Agreements: FTS1 37824 DELTA NATURAL GAS CO., INC. N /A. PUBLIC SERVICE COMPANY OF NORTH CAROLINA INCORPORATED By: /s/Axxx Xxxxxxxx X. Xxxxx Xxxx Name: Axxx /s/ Xxxxxxxx X. Xxxxx Xxxx Title: Senior Vice President – Operations and Engineering President-Marketing & Gas Supply Date: September 30, 1994 10/31/95 COLUMBIA GULF GAS TRANSMISSION COMPANY CORPORATION By: /s/ S. Xxxxxxx X. Xxxxxxx Name: S. Xxxxxxx X. Xxxxxxx Title: Vice President Date: 10/11/94 November 7, 1995 Revision No. Control No. 1995-04-30-0083 Appendix A to Service Agreement No. 43827 49527 Under Rate Schedule FSS Between (Seller) COLUMBIA GAS TRANSMISSION CORPORATION and (Buyer) PUBLIC SERVICE COMPANY OF NORTH CAROLINA INCORPORATED GFNT / THIS SERVICE AGREEMENT AND ITS EFFECTIVENESS ARE SUBJECT TO PRECEDENT AGREEMENT NO. 47810 BETWEEN BUYER AND SELLER DATED JUNE 27, 1995. Revision No. 2 Under Rate Schedule FTS-1 Between (Transporter) Columbia Gulf Transmission Company and (Shipper) Delta Natural Gas Company, Inc., Sxxxxxx Division Transportation Demand Begin Date End Date Transportation Demand Dth/day Recurrence Interval November 1, 1994 October 31, 2010 860 1/1 – 12/31 November 1, 2010 October 31, 2015 860 1/1 – 12/31 Primary Receipt Points Begin Date End Date Measuring Point Control No. Measuring Point Name Maximum Daily Quantity (Dth/Day) Recurrence Interval November 1, 1994 October 31, 2010 2700010 CGT – Rayne 860 1/1 – 12/31 November 1, 2010 October 31, 2015 2700010 CGT – Rayne 860 1/1 – 12/31 Primary Delivery Points Begin Date End Date Measuring Point No. Measuring Point Name Maximum Daily Quantity (Dth/Day) Recurrence Interval November 1, 1994 October 31, 2010 801 Gulf - Lxxxx 860 1/1 – 12/31 1995-04-30-0083 Appendix A to Service Agreement No. 43827 Revision No. 2 49527 Under Rate Schedule FTS-1 FSS Between (TransporterSeller) Columbia Gulf Transmission Company COLUMBIA GAS TRANSMISSION CORPORATION and (ShipperBuyer) Delta Natural Gas CompanyPUBLIC SERVICE COMPANY OF NORTH CAROLINA, Inc., Sxxxxxx Division The Master List of Interconnects (MLI) as defined in Section 1 of the General Terms and Conditions is incorporated herein by reference for purposes of listing valid secondary interruptible receipt points and delivery pointsINC. _____ Yes __X__ No (Check applicable blank) Transporter and Shipper have mutually agreed to a Regulatory Restructuring Reduction Option pursuant to Section 34 of the General Terms and Conditions of Transporter's FERC Gas Tariff. _____ Yes __X__ No (Check applicable blank) Shipper has a contractual right of first refusal equivalent to the right of first refusal set forth from time to time in Section 4 of the General Terms and Conditions of Transporter's FERC Gas Tariff. _____ Yes __X__ No (Check applicable blank) All gas shall be delivered at existing points of interconnection within the Storage Contract Quantity 1,060,020 Dth Maximum Daily Quantity, as applicable, set forth in Transporter's currently effective Rate Schedule FTS-1 Appendix A with Shipper, which for such points set forth are incorporated by reference. _____ Yes __X__ No (Check applicable blank) This Service Agreement covers interim capacity sold pursuant to the provisions of General Terms and Conditions Section 4.2(j). Right of first refusal rights, if and, applicable to this interim capacity are limited as provided for in General Terms and Conditions Section 4.2(j). Storage Quantity 11,778 Dth per day CANCELLATION OF PREVIOUS APPENDIX A Service changes pursuant to this Appendix A, Revision No. 2 A shall commence become effective as of November April 01, 20101999. This Appendix A, Revision No. 2 A shall cancel and supersede the previous Appendix AA effective as of N/A , Revision No. 1 to the Service Agreement dated November 01, 1994reference above. With the exception of this Appendix A, Revision No. 2, all other terms and conditions of said Service Agreement shall remain in full force and effect. Delta Natural Gas CompanyPUBLIC SERVICE COMPANY OF NORTH CAROLINA, Inc., Sxxxxxx Division Columbia Gulf Transmission, LLC INCORPORATED By: Sxxxxxx Xxxxxxxx X. Xxxx Name: /s/ Xxxxxxxx X. Xxxx Title: Senior Vice President-Marketing & Gas Supply Date: 10/31/95 COLUMBIA GAS TRANSMISSION CORPORATION By: Mxxx Xxxxx Its/s/ Xxxxxxx X. Xxxxxxx Name: Agent ItsXxxxxxx X. Xxxxxxx Title: Director Commercial Services Vice President Date: April 28November 7, 2010 Date: April 27, 2010 SERVICE AGREEMENT NO. 43828 CONTROL NO. 1994-07-02 – 0041 FTS 1 SERVICE AGREEMENT THIS AGREEMENT, made and entered into this 4th day of October, 1994, by and between: COLUMBIA GULF TRANSMISSION COMPANY ("TRANSPORTER") AND DELTA NATURAL GAS CO., INC. ("SHIPPER")1995

Superseded Agreements. This Service Agreement supersedes and cancels, as of the effective date hereof, the following Service Agreements: FTS1 37824 DELTA NATURAL GAS CO., Agreement(s): N/A. VITOL INC. By: /s/Axxx X. Xxxxx Name: Axxx X. Xxxxx Title: Vice President – Operations and Engineering Date: September 30COLUMBIA GAS TRANSMISSION, 1994 COLUMBIA GULF TRANSMISSION COMPANY By: /s/ S. X. LLC By Title Date Xxxx Xxxxxxx Name: S. X. Xxxxxxx Title: Vice President Date: 10/11/94 Gas Scheduler 08/18/2020 By Title Date Xxx Xxxxxxxx Director 08/18/2020 Revision No. 0 Appendix A to Service Agreement No. 43827 Revision No. 2 240425 Under Rate Schedule FTS-1 Between FTS between Columbia Gas Transmission, LLC ("Transporter") Columbia Gulf Transmission Company and Vitol Inc. ("Shipper) Delta Natural Gas Company, Inc., Sxxxxxx Division "). Transportation Demand Begin Date End Date Transportation Demand Dth/day Recurrence Interval November 1, 1994 October 31, 2010 860 09/01/2020 03/31/2021 20,000 1/1 – 12/31 November 1, 2010 October 31, 2015 860 1/1 – - 12/31 Primary Receipt Points Minimum Maximum Receipt Daily Pressure Scheduling Measuring Quantity Obligation Recurrence Begin Date End Date Measuring Point No. Scheduling Point Name Point No. Measuring Point Name Maximum Daily Quantity (Dth/Dayday) Recurrence (psig) 1/ Interval November 1, 1994 October 31, 2010 2700010 CGT – Rayne 860 09/01/2020 03/31/2021 842867 Xxxxxxx 842867 Xxxxxxx 20,000 1/1 – 12/31 November 1, 2010 October 31, 2015 2700010 CGT – Rayne 860 1/1 – - 12/31 Primary Delivery Points Maximum Minimum Daily Delivery Delivery Design Daily Pressure Scheduling Measuring Obligation Quantity Obligation Recurrence Begin Date End Date Measuring Point No. Scheduling Point Name Point No. Measuring Point Name Maximum Daily Quantity (Dth/Dayday) Recurrence 1/ (Dth/day) 1/ (psig) 1/ Interval November 109/01/2020 03/31/2021 801 TCO-XXXXX 801 TCO-XXXXX 20,000 1/1 - 12/31 1/ Application of MDDOs, 1994 October 31DDQs and ADQs, 2010 801 Gulf - Lxxxx 860 1/1 – 12/31 Appendix A to Service Agreement No. 43827 Revision No. 2 Under Rate Schedule FTS-1 Between (Transporter) Columbia Gulf Transmission Company and (Shipper) Delta Natural Gas Company, Inc., Sxxxxxx Division minimum pressure and/or hourly flowrate shall be as follows: The Master List of Interconnects ("MLI") as defined in Section 1 of the General Terms and Conditions of Transporter's Tariff is incorporated herein by reference for purposes of listing valid secondary interruptible receipt points and delivery points. _____ Yes __X__ X No (Check applicable blank) Transporter and Shipper have mutually agreed to a Regulatory Restructuring Reduction Option pursuant to Section 34 42 of the General Terms and Conditions of Transporter's FERC Gas Tariff. _____ Yes __X__ X No (Check applicable blank) Shipper Xxxxxxx has a contractual right of first refusal equivalent to the right of first refusal set forth from time to time in Section 4 of the General Terms and Conditions of Transporter's FERC Gas Tariff. _____ Yes __X__ X No (Check applicable blank) All gas shall be delivered at existing points of interconnection within the Maximum Daily QuantityMDDOs, ADQs and/or DDQs, as applicable, set forth in Transporter's currently effective Rate Schedule FTS-1 Service Agreement No. Appendix A with Shipper, which for such points set forth are incorporated herein by reference. _____ Yes __X__ X No (Check applicable blank) This Service Agreement covers interim capacity sold pursuant to the provisions of General Terms and Conditions Section 4.2(j)4. Right of first refusal rights, if andany, applicable to this interim capacity are limited as provided for in General Terms and Conditions Section 4.2(j)4. CANCELLATION OF PREVIOUS APPENDIX A Yes X No (Check applicable blank) This Service changes Agreement covers offsystem capacity sold pursuant to Section 47 of the General Terms and Conditions. Right of first refusal rights, if any, applicable to this Appendix Aoffsystem capacity are limited as provided for in General Terms and Conditions Section 47. VITOL INC. COLUMBIA GAS TRANSMISSION, Revision No. 2 shall commence as of November 01, 2010. This Appendix A, Revision No. 2 shall cancel and supersede the previous Appendix A, Revision No. 1 to the Service Agreement dated November 01, 1994. With the exception of this Appendix A, Revision No. 2, all other terms and conditions of said Service Agreement shall remain in full force and effect. Delta Natural LLC By Title Date Xxxx Xxxxxxx Gas Company, Inc., Sxxxxxx Division Scheduler 08/18/2020 By Title Date Xxx Xxxxxxxx Director 08/18/2020 Columbia Gulf Gas Transmission, LLC By000 Xxxxxxxxx, Xxxxx 000 Xxxxxxx, Xxxxx 00000 August 14, 2020 Vitol Inc. 1100 Louisiana, Suite 5500 Houston, TX 77002 Attention: Sxxxxxx Xxxx ByXxxxxx Xxxxxx RE: Mxxx Xxxxx ItsFTS Service Agreement No. 240425 Negotiated Rate Letter Agreement Dear Xxxxxx: Agent Its: Director Commercial Services Date: April 28This Negotiated Rate Letter Agreement (“NRL”) between Columbia Gas Transmission, 2010 Date: April 27LLC (“Transporter” or “TCO”) and Vitol Inc. (“Shipper”), 2010 SERVICE AGREEMENT NOshall set forth the applicable rates and other rate provisions associated with the transportation service provided by Transporter to Shipper pursuant to the above-referenced Service Agreement. 43828 CONTROL NOTransporter and Shipper may be referred to individually as a “Party” or collectively as the “Parties”. 1994-07-02 – 0041 FTS 1 SERVICE AGREEMENT THIS AGREEMENT, made Shipper and entered into this 4th day of October, 1994, by and between: COLUMBIA GULF TRANSMISSION COMPANY ("TRANSPORTER") AND DELTA NATURAL GAS CO., INC. ("SHIPPER")Transporter hereby agree:

Superseded Agreements. This Service Agreement supersedes and cancels, as of the effective date hereof, the following Service Agreements: FTS1 37824 DELTA NATURAL Agreement(s): FTS 62077 Revision 6. INTERNATIONAL PAPER COMPANY COLUMBIA GAS CO.TRANSMISSION, INCLLC By _Xxxxxxx Xxxxxxxxxxx By _Xxxxx Xxxxxxxx Title _Sourcing Leader-Energy Title Manager Date March 27, 2018_ Date _March 27, 2018 Revision No. By: /s/Axxx X. Xxxxx Name: Axxx X. Xxxxx Title: Vice President – Operations and Engineering Date: September 30, 1994 COLUMBIA GULF TRANSMISSION COMPANY By: /s/ S. X. Xxxxxxx Name: S. X. Xxxxxxx Title: Vice President Date: 10/11/94 7 Appendix A to Service Agreement No. 43827 Revision No. 2 62077 Under Rate Schedule FTS-1 Between FTS between Columbia Gas Transmission, LLC (“Transporter”) Columbia Gulf Transmission and International Paper Company and (“Shipper”) Delta Natural Gas Company, Inc., Sxxxxxx Division Transportation Demand Begin Date End Date Transportation Demand Dth/day Recurrence Interval November 1, 1994 2018 October 31, 2010 860 1/1 – 12/31 November 1, 2010 October 31, 2015 860 1/1 – 2019 7000 1/1-12/31 Primary Receipt Points Begin Date End Date Scheduling Point No. Scheduling Point Name Measuring Point No. Measuring Point Name Maximum Daily Quantity (Dth/Dayday) Minimum Receipt Pressure Obligation (psig) 1/ Recurrence Interval November 1, 1994 2018 October 31, 2010 2700010 CGT – Rayne 860 1/1 – 2019 CNR05 CHK-BUFF LICK 834962 CNR- Bufflick 3500 1/1-12/31 November 1, 2010 2018 October 31, 2015 2700010 CGT – Rayne 860 1/1 – 2019 A01 KENOVA AGG POINT 01 A01 KENOVA AGG POINT 01 3500 1/1-12/31 Primary Delivery Points Begin Date End Date Measuring Point No. Measuring Point Name Maximum Daily Quantity (Dth/Day) Recurrence Interval November 1, 1994 2018 October 31, 2010 801 Gulf - Lxxxx 860 1/1 – 2019 30CS-34 INTERNATIONAL PAPER 834485 INTERNATIONAL PAPER 7000 1/1-12/31 Appendix A to Service Agreement No1/ Application of MDDOs, DDQs and ADQs, minimum pressure and/or hourly flowrate shall be as follows: COMMENT CODE: FN01 [POINTS: 834485 ,834485] CUSTOMER WILL BE REQUIRED TO TRANSPORT THE GAS FROM BOSWELLS TAVERN STATION NUMBER 833097 IN LOUISA COUNTY, VIRGINIA, TO EMPORIA, MLI NUMBER E16 IN SUSSEX COUNTY, VIRGINIA, VIA TRANSCONTINENTAL GAS PIPE LINE (TRANSCO) IN ORDER TO EFFECTUATE REDELIVERY BY COLUMBIA TO THE DELIVERY POINT SPECIFIED HEREIN. 43827 Revision No. 2 Under Rate Schedule FTS-1 Between (Transporter) Columbia Gulf Transmission Company and (Shipper) Delta Natural Gas Company, Inc., Sxxxxxx Division CUSTOMER WILL ALSO BE REQUIRED TO NOMINATE AT THE RECEIPT POINTS INTO COLUMBIA THE QUANTITIES TO BE DELIVERED AT THE DELIVERY POINTS SPECIFIED IN THIS AGREEMENT PLUS SUFFICIENT QUANTITIES FOR COLUMBIA AND TRANSCO RETAINAGE The Master List of Interconnects (“MLI”) as defined in Section 1 of the General Terms and Conditions of Transporter's Tariff is incorporated herein by reference for purposes of listing valid secondary interruptible receipt points and delivery points. _____ Yes __X__ No (Check applicable blank) Transporter and Shipper have mutually agreed to a Regulatory Restructuring Reduction Option pursuant to Section 34 42 of the General Terms and Conditions of Transporter's FERC Gas Tariff. _____ Yes __X__ No (Check applicable blank) Shipper has a contractual right of first refusal equivalent to the right of first refusal set forth from time to time in Section 4 of the General Terms and Conditions of Transporter's FERC Gas Tariff. _____ Yes __X__ No (Check applicable blank) All gas shall be delivered at existing points of interconnection within the Maximum Daily Quantity, as applicable, set forth in Transporter's currently effective Rate Schedule FTS-1 Appendix A with Shipper, which for such points set forth are incorporated by reference. _____ Yes __X__ No (Check applicable blank) This Service Agreement covers interim capacity sold pursuant to the provisions of General Terms and Conditions Section 4.2(j). Right of first refusal rights, if and, applicable to this interim capacity are limited as provided for in General Terms and Conditions Section 4.2(j). CANCELLATION OF PREVIOUS APPENDIX A Service changes pursuant to this Appendix A, Revision No. 2 shall commence as of November 01, 2010. This Appendix A, Revision No. 2 shall cancel and supersede the previous Appendix A, Revision No. 1 to the Service Agreement dated November 01, 1994. With the exception of this Appendix A, Revision No. 2, all other terms and conditions of said Service Agreement shall remain in full force and effect. Delta Natural Gas Company, Inc., Sxxxxxx Division Columbia Gulf Transmission, LLC By: Sxxxxxx Xxxx By: Mxxx Xxxxx Its: Agent Its: Director Commercial Services Date: April 28, 2010 Date: April 27, 2010 SERVICE AGREEMENT NO. 43828 CONTROL NO. 1994-07-02 – 0041 FTS 1 SERVICE AGREEMENT THIS AGREEMENT, made and entered into this 4th day of October, 1994, by and between: COLUMBIA GULF TRANSMISSION COMPANY ("TRANSPORTER") AND DELTA NATURAL GAS CO., INC. ("SHIPPER")

Superseded Agreements. This Service Agreement supersedes and cancels, as of the effective date hereof, the following Service Agreements: FTS1 37824 DELTA NATURAL Agreement(s): N/A. NJR ENERGY SERVICES COMPANY By Xxxxxxx Xxxxxx Title Date February 7, 2020 COLUMBIA GAS CO.TRANSMISSION, INCLLC By Xxxxx Xxxxxxxx Title Manager Date February 4, 2020 Revision No. By: /s/Axxx X. Xxxxx Name: Axxx X. Xxxxx Title: Vice President – Operations and Engineering Date: September 30, 1994 COLUMBIA GULF TRANSMISSION COMPANY By: /s/ S. X. Xxxxxxx Name: S. X. Xxxxxxx Title: Vice President Date: 10/11/94 0 Appendix A to Service Agreement No. 43827 Revision No. 2 233280 Under Rate Schedule FTS-1 Between FTS between Columbia Gas Transmission, LLC ("Transporter") Columbia Gulf Transmission and NJR Energy Services Company and ("Shipper) Delta Natural Gas Company, Inc., Sxxxxxx Division "). Transportation Demand Begin Date End Date Transportation Demand Dth/day Recurrence Interval November 1, 1994 October 31, 2010 860 11/01/2020 10/31/2021 10,000 1/1 – 12/31 November 1, 2010 October 31, 2015 860 1/1 – - 12/31 Primary Receipt Points Minimum Maximum Receipt Daily Pressure Scheduling Measuring Quantity Obligation Recurrence Begin Date End Date Measuring Point No. Scheduling Point Name Point No. Measuring Point Name Maximum Daily Quantity (Dth/Dayday) Recurrence (psig) 1/ Interval November 1, 1994 October 31, 2010 2700010 CGT – Rayne 860 11/01/2020 10/31/2021 B18 MILFORD-21 631922 MILFORD (72-000245) 10,000 1/1 – 12/31 November 1, 2010 October 31, 2015 2700010 CGT – Rayne 860 1/1 – - 12/31 Primary Delivery Points Maximum Minimum Daily Delivery Delivery Design Daily Pressure Scheduling Measuring Obligation Quantity Obligation Recurrence Begin Date End Date Measuring Point No. Scheduling Point Name Point No. Measuring Point Name Maximum Daily Quantity (Dth/Dayday) Recurrence 1/ (Dth/day) 1/ (psig) 1/ Interval November 111/01/2020 10/31/2021 88 EASTERN SHORE NATRL 621333 ESG Cochranville 10,000 1/1 - 12/31 1/ Application of MDDOs, 1994 October 31DDQs and ADQs, 2010 801 Gulf - Lxxxx 860 1/1 – 12/31 Appendix A to Service Agreement No. 43827 Revision No. 2 Under Rate Schedule FTS-1 Between (Transporter) Columbia Gulf Transmission Company and (Shipper) Delta Natural Gas Company, Inc., Sxxxxxx Division minimum pressure and/or hourly flowrate shall be as follows: The Master List of Interconnects ("MLI") as defined in Section 1 of the General Terms and Conditions of Transporter's Tariff is incorporated herein by reference for purposes of listing valid secondary interruptible receipt points and delivery points. _____ Yes __X__ X No (Check applicable blank) Transporter and Shipper have mutually agreed to a Regulatory Restructuring Reduction Option pursuant to Section 34 42 of the General Terms and Conditions of Transporter's FERC Gas Tariff. _____ Yes __X__ X No (Check applicable blank) Shipper Xxxxxxx has a contractual right of first refusal equivalent to the right of first refusal set forth from time to time in Section 4 of the General Terms and Conditions of Transporter's FERC Gas Tariff. _____ Yes __X__ X No (Check applicable blank) All gas shall be delivered at existing points of interconnection within the Maximum Daily QuantityMDDOs, ADQs and/or DDQs, as applicable, set forth in Transporter's currently effective Rate Schedule FTS-1 Service Agreement No. Appendix A with Shipper, which for such points set forth are incorporated herein by reference. _____ Yes __X__ X No (Check applicable blank) This Service Agreement covers interim capacity sold pursuant to the provisions of General Terms and Conditions Section 4.2(j)4. Right of first refusal rights, if andany, applicable to this interim capacity are limited as provided for in General Terms and Conditions Section 4.2(j)4. CANCELLATION OF PREVIOUS APPENDIX A Yes X No (Check applicable blank) This Service changes Agreement covers offsystem capacity sold pursuant to Section 47 of the General Terms and Conditions. Right of first refusal rights, if any, applicable to this Appendix Aoffsystem capacity are limited as provided for in General Terms and Conditions Section 47. NJR ENERGY SERVICES COMPANY By Xxxxxxx Xxxxxx Title Date February 7, Revision No. 2 shall commence as of November 01, 2010. This Appendix A, Revision No. 2 shall cancel and supersede the previous Appendix A, Revision No. 1 to the Service Agreement dated November 01, 1994. With the exception of this Appendix A, Revision No. 2, all other terms and conditions of said Service Agreement shall remain in full force and effect. Delta Natural Gas Company, Inc., Sxxxxxx Division Columbia Gulf Transmission2020 COLUMBIA GAS TRANSMISSION, LLC By: Sxxxxxx Xxxx By: Mxxx By Xxxxx Its: Agent Its: Director Commercial Services Date: April 28, 2010 Date: April 27, 2010 SERVICE AGREEMENT NO. 43828 CONTROL NO. 1994-07-02 – 0041 FTS 1 SERVICE AGREEMENT THIS AGREEMENT, made and entered into this 4th day of October, 1994, by and between: COLUMBIA GULF TRANSMISSION COMPANY ("TRANSPORTER") AND DELTA NATURAL GAS CO., INC. ("SHIPPER")Xxxxxxxx Title Manager

Superseded Agreements. This Service Agreement supersedes and cancels, as of the effective date hereof, the following Service Agreements: FTS1 37824 Agreement(s): GTS No. 37813, Revision No. 5. DELTA NATURAL GAS COCOMPANY, INC., INC. By: /s/Axxx X. CUMBERLAND DIVISION COLUMBIA GAS TRANSMISSION, LLC By Xxxxx Name: Axxx X. Xxxxxx By Xxxxx Title: Xxxxxxxx Title Vice President – Operations and Engineering Date: September 30President-Trans&Gas Supply Title Manager-Customer Services Date October 29, 1994 COLUMBIA GULF TRANSMISSION COMPANY By: /s/ S. X. Xxxxxxx Name: S. X. Xxxxxxx Title: Vice President Date: 10/11/94 Appendix A to Service Agreement No. 43827 Revision No. 2 Under Rate Schedule FTS-1 Between (Transporter) Columbia Gulf Transmission Company and (Shipper) Delta Natural Gas Company2015 Date October 28, Inc., Sxxxxxx Division Transportation Demand 2015 Storage Contract Quantity Begin Date End Date Transportation Demand Dth/day Storage Contract Quantity Dth Annual GTS Quantity Dth/year Recurrence Interval November 1, 1994 October 312015 N/A 5,400 177,662 98,200 1/1 - 12/31 Appendix A to Service Agreement No. 37813 Under Rate Schedule GTS between Columbia Gas Transmission, 2010 860 1/1 – 12/31 November 1LLC ("Transporter") and Delta Natural Gas Company, 2010 October 31Inc., 2015 860 1/1 – 12/31 Cumberland Division ("Shipper") Revision No. 6 Primary Receipt Points Begin Date End Date Scheduling Point No. Scheduling Point Name Measuring Point No. Measuring Point Name Maximum Daily Quantity (Dth/Dayday) Minimum Receipt Pressure Obligation (psig) 1/ Recurrence Interval November 1, 1994 October 31, 2010 2700010 CGT – Rayne 860 2015 N/A 801 TCO-XXXXX 801 TCO-XXXXX 1,800 1/1 – - 12/31 November 1, 2010 October 31, 2015 2700010 CGT – Rayne 860 N/A STOR RP Storage Point TCO 0 1/1 – - 12/31 Primary Delivery Points Begin Date End Date Scheduling Point No. Scheduling Point Name Measuring Point No. Measuring Point Name Maximum Daily Quantity Delivery Obligation (Dth/Dayday) 1/ Minimum Delivery Pressure Obligation (psig) 1/ Recurrence Interval November 1, 1994 October 312015 N/A 34 DELTA NATRL CUMBRLND 805992 MANCHESTER 5,100 265 1/1 - 12/31 November 1, 2010 801 Gulf 2015 N/A 34 DELTA NATRL CUMBRLND 832867 BEATYVILLE 300 230 1/1 - Lxxxx 860 12/31 November 1, 2015 N/A STOR RP Storage Point TCO 0 1/1 – - 12/31 Appendix A to Service Agreement No1/ Application of MDDOs minimum pressure and/or hourly flowrate shall be as follows: Unless Measuring Point specific Maximum Daily Delivery Obligations (MDDOs) are specified in a separate firm service agreement between Transporter and Shipper, Transporter?s aggregate MDDO, under this and any other service agreement between Transporter and Shipper, at the Measuring Points listed above shall not exceed the MDDO quantities set forth above for each Measuring Point. 43827 Revision No. 2 Under Rate Schedule FTS-1 Between (Transporter) Columbia Gulf Transmission Company and (Shipper) Delta Natural Gas Company, Inc., Sxxxxxx Division The Master List of Interconnects (MLI) as defined Any Measuring Point specific MDDOs in Section 1 of the General Terms and Conditions is incorporated herein by reference for purposes of listing valid secondary interruptible receipt points and delivery points. _____ Yes __X__ No (Check applicable blank) a separate firm service agreement between Transporter and Shipper have mutually agreed to a Regulatory Restructuring Reduction Option pursuant to Section 34 of the General Terms and Conditions of Transporter's FERC Gas Tariff. _____ Yes __X__ No (Check applicable blank) Shipper has a contractual right of first refusal equivalent shall be additive to the right of first refusal individual Measuring Point MDDOs set forth from time to time in Section 4 of the General Terms and Conditions of Transporter's FERC Gas Tariff. _____ Yes __X__ No (Check applicable blank) All gas shall be delivered at existing points of interconnection within the Maximum Daily Quantity, as applicable, set forth in Transporter's currently effective Rate Schedule FTS-1 Appendix A with Shipper, which for such points set forth are incorporated by reference. _____ Yes __X__ No (Check applicable blank) This Service Agreement covers interim capacity sold pursuant to the provisions of General Terms and Conditions Section 4.2(j). Right of first refusal rights, if and, applicable to this interim capacity are limited as provided for in General Terms and Conditions Section 4.2(j). CANCELLATION OF PREVIOUS APPENDIX A Service changes pursuant to this Appendix A, Revision No. 2 shall commence as of November 01, 2010. This Appendix A, Revision No. 2 shall cancel and supersede the previous Appendix A, Revision No. 1 to the Service Agreement dated November 01, 1994. With the exception of this Appendix A, Revision No. 2, all other terms and conditions of said Service Agreement shall remain in full force and effect. Delta Natural Gas Company, Inc., Sxxxxxx Division Columbia Gulf Transmission, LLC By: Sxxxxxx Xxxx By: Mxxx Xxxxx Its: Agent Its: Director Commercial Services Date: April 28, 2010 Date: April 27, 2010 SERVICE AGREEMENT NO. 43828 CONTROL NO. 1994-07-02 – 0041 FTS 1 SERVICE AGREEMENT THIS AGREEMENT, made and entered into this 4th day of October, 1994, by and between: COLUMBIA GULF TRANSMISSION COMPANY ("TRANSPORTER") AND DELTA NATURAL GAS COabove., INC. ("SHIPPER")

Superseded Agreements. This Service Agreement supersedes and cancels, as of the effective date hereof, the following Service Agreements: FTS1 37824 DELTA NATURAL Agreement(s): FTS 62077 Revision 6. INTERNATIONAL PAPER COMPANY COLUMBIA GAS CO.TRANSMISSION, INCLLC By _Xxxxxxx Xxxxxxxxxxx By _Xxxxx Xxxxxxxx Title _Sourcing Leader-Energy Title Manager Date March 27, 2018_ Date _March 27, 2018 Revision No. By: /s/Axxx X. Xxxxx Name: Axxx X. Xxxxx Title: Vice President – Operations and Engineering Date: September 30, 1994 COLUMBIA GULF TRANSMISSION COMPANY By: /s/ S. X. Xxxxxxx Name: S. X. Xxxxxxx Title: Vice President Date: 10/11/94 7 Appendix A to Service Agreement No. 43827 Revision No. 2 62077 Under Rate Schedule FTS-1 Between FTS between Columbia Gas Transmission, LLC (“Transporter”) Columbia Gulf Transmission and International Paper Company and (“Shipper”) Delta Natural Gas Company, Inc., Sxxxxxx Division Transportation Demand Begin Date End Date Transportation Demand Dth/day Recurrence Interval November 1, 1994 2018 October 31, 2010 860 1/1 – 12/31 November 1, 2010 October 31, 2015 860 1/1 – 2019 7000 1/1-12/31 Primary Receipt Points Begin Date End Date Scheduling Point No. Scheduling Point Name Measuring Point No. Measuring Point Name Maximum Daily Quantity (Dth/Dayday) Minimum Receipt Pressure Obligation (psig) 1/ Recurrence Interval November 1, 1994 2018 October 31, 2010 2700010 CGT – Rayne 860 1/1 – 2019 CNR05 CHK-BUFF LICK 834962 CNR- Bufflick 3500 1/1-12/31 November 1, 2010 2018 October 31, 2015 2700010 CGT – Rayne 860 1/1 – 2019 A01 KENOVA AGG POINT 01 A01 KENOVA AGG POINT 01 3500 1/1-12/31 Primary Delivery Points Begin Date End Date Scheduling Point No. Scheduling Point Name Measuring Point No. Measuring Point Name Maximum Daily Delivery Obligation (Dth/day) 1/ Design Daily Quantity (Dth/Dayda y) 1/ Minimum Delivery Pressure Obligation (psig) 1/ Recurrence Interval November 1, 1994 2018 October 31, 2010 801 Gulf - Lxxxx 860 1/1 – 2019 833097 BOSWELLS TAVERN 833097 BOSWELLS TAVERN 0 1/1-12/31 Appendix A to Service Agreement NoNovember 1, 2018 October 31, 2019 30CS-34 INTERNATIONAL PAPER 834485 INTERNATIONAL PAPER 7000 1/1-12/31 1/ Application of MDDOs, DDQs and ADQs, minimum pressure and/or hourly flowrate shall be as follows: COMMENT CODE: FN01 [POINTS: 834485 ,834485] CUSTOMER WILL BE REQUIRED TO TRANSPORT THE GAS FROM BOSWELLS TAVERN STATION NUMBER 833097 IN LOUISA COUNTY, VIRGINIA, TO EMPORIA, MLI NUMBER E16 IN SUSSEX COUNTY, VIRGINIA, VIA TRANSCONTINENTAL GAS PIPE LINE (TRANSCO) IN ORDER TO EFFECTUATE REDELIVERY BY COLUMBIA TO THE DELIVERY POINT SPECIFIED HEREIN. 43827 Revision No. 2 Under Rate Schedule FTS-1 Between (Transporter) Columbia Gulf Transmission Company and (Shipper) Delta Natural Gas Company, Inc., Sxxxxxx Division CUSTOMER WILL ALSO BE REQUIRED TO NOMINATE AT THE RECEIPT POINTS INTO COLUMBIA THE QUANTITIES TO BE DELIVERED AT THE DELIVERY POINTS SPECIFIED IN THIS AGREEMENT PLUS SUFFICIENT QUANTITIES FOR COLUMBIA AND TRANSCO RETAINAGE The Master List of Interconnects (“MLI”) as defined in Section 1 of the General Terms and Conditions of Transporter's Tariff is incorporated herein by reference for purposes of listing valid secondary interruptible receipt points and delivery points. _____ Yes __X__ No (Check applicable blank) Transporter and Shipper have mutually agreed to a Regulatory Restructuring Reduction Option pursuant to Section 34 42 of the General Terms and Conditions of Transporter's FERC Gas Tariff. _____ Yes __X__ No (Check applicable blank) Shipper has a contractual right of first refusal equivalent to the right of first refusal set forth from time to time in Section 4 of the General Terms and Conditions of Transporter's FERC Gas Tariff. _____ Yes __X__ No (Check applicable blank) All gas shall be delivered at existing points of interconnection within the Maximum Daily Quantity, as applicable, set forth in Transporter's currently effective Rate Schedule FTS-1 Appendix A with Shipper, which for such points set forth are incorporated by reference. _____ Yes __X__ No (Check applicable blank) This Service Agreement covers interim capacity sold pursuant to the provisions of General Terms and Conditions Section 4.2(j). Right of first refusal rights, if and, applicable to this interim capacity are limited as provided for in General Terms and Conditions Section 4.2(j). CANCELLATION OF PREVIOUS APPENDIX A Service changes pursuant to this Appendix A, Revision No. 2 shall commence as of November 01, 2010. This Appendix A, Revision No. 2 shall cancel and supersede the previous Appendix A, Revision No. 1 to the Service Agreement dated November 01, 1994. With the exception of this Appendix A, Revision No. 2, all other terms and conditions of said Service Agreement shall remain in full force and effect. Delta Natural Gas Company, Inc., Sxxxxxx Division Columbia Gulf Transmission, LLC By: Sxxxxxx Xxxx By: Mxxx Xxxxx Its: Agent Its: Director Commercial Services Date: April 28, 2010 Date: April 27, 2010 SERVICE AGREEMENT NO. 43828 CONTROL NO. 1994-07-02 – 0041 FTS 1 SERVICE AGREEMENT THIS AGREEMENT, made and entered into this 4th day of October, 1994, by and between: COLUMBIA GULF TRANSMISSION COMPANY ("TRANSPORTER") AND DELTA NATURAL GAS CO., INC. ("SHIPPER")

Superseded Agreements. This Service Agreement supersedes and cancels, as of the effective date hereof, the following Service Agreements: FTS1 37824 DELTA NATURAL GAS CO., INC. By: /sAgreement(s): N/Axxx X. Xxxxx Name: Axxx X. Xxxxx Title: Vice President – Operations and Engineering Date: September 30, 1994 A. MACQUARIE ENERGY LLC COLUMBIA GULF TRANSMISSION COMPANY By: /s/ S. X. Xxxxxxx Name: S. X. Xxxxxxx Title: Vice President Date: 10/11/94 TRANSMISSION, LLC By Xxxxxx XxXxxxxx By Xxxxx Xxxxxxxx Title VP Gas Scheduling Title Manager Date May 31, 2019 Date May 31, 2019 Revision No. 0 Appendix A to Service Agreement No. 43827 Revision No. 2 223187 Under Rate Schedule FTS-1 Between (Transporter) between Columbia Gulf Transmission Company Transmission, LLC ("Transporter") and Macquarie Energy LLC ("Shipper) Delta Natural Gas Company, Inc., Sxxxxxx Division "). Transportation Demand Begin Date Transportation End Date Transportation Demand Dth/day Recurrence Interval November 1, 1994 October 31, 2010 860 06/01/2019 10/31/2019 30,000 1/1 – 12/31 November 1, 2010 October 31, 2015 860 1/1 – - 12/31 Primary Receipt Points Measuring Maximum Daily Quantity Recurrence Begin Date End Date Measuring Point No. Measuring Point Name (Dth/day) Interval 06/01/2019 10/31/2019 2700010 CGT-RAYNE 30,000 1/1 - 12/31 Measuring Primary Delivery Points Maximum Daily Quantity (Dth/Day) Recurrence Interval November 1, 1994 October 31, 2010 2700010 CGT – Rayne 860 1/1 – 12/31 November 1, 2010 October 31, 2015 2700010 CGT – Rayne 860 1/1 – 12/31 Primary Delivery Points Begin Date End Date Measuring Point No. Measuring Point Name Maximum Daily Quantity (Dth/Dayday) Recurrence Interval November 1, 1994 October 31, 2010 06/01/2019 10/31/2019 801 Gulf GULF-XXXXX 30,000 1/1 - Lxxxx 860 1/1 – 12/31 Appendix A to Service Agreement No. 43827 Revision No. 2 Under Rate Schedule FTS-1 Between (Transporter) Columbia Gulf Transmission Company and (Shipper) Delta Natural Gas Company, Inc., Sxxxxxx Division The Master List of Interconnects ("MLI") as defined in Section 1 of the General Terms and Conditions of Transporter's Tariff is incorporated herein by reference for purposes of listing valid secondary interruptible receipt points and delivery points. _____ Transporter and Shipper have mutually agreed to the following maximum or minimum pressure commitments: Yes __X__ X No (Check applicable blank) Transporter and Shipper have mutually agreed to a Regulatory Restructuring Reduction Option pursuant to Section 34 33 of the General Terms and Conditions of Transporter's FERC Gas Tariff. _____ Yes __X__ X No (Check applicable blank) Shipper Xxxxxxx has a contractual right of first refusal equivalent to the right of first refusal set forth from time to time in Section 4 of the General Terms and Conditions of Transporter's FERC Gas Tariff. _____ Yes __X__ No (Check applicable blank) All gas shall be delivered at existing points of interconnection within the Maximum Daily Quantity, as applicable, set forth in Transporter's currently effective Rate Schedule FTS-1 Appendix A with Shipper, which for such points set forth are incorporated by reference. _____ Yes __X__ X No (Check applicable blank) This Service Agreement covers interim capacity sold pursuant to the provisions of General Terms and Conditions Section 4.2(j)4. Right of first refusal rights, if andany, applicable to this interim capacity are limited as provided for in General Terms and Conditions Section 4.2(j)4. CANCELLATION OF PREVIOUS APPENDIX A Service changes pursuant to this Appendix A, Revision No. 2 shall commence as of November 01, 2010. This Appendix A, Revision No. 2 shall cancel and supersede the previous Appendix A, Revision No. 1 to the Service Agreement dated November 01, 1994. With the exception of this Appendix A, Revision No. 2, all other terms and conditions of said Service Agreement shall remain in full force and effect. Delta Natural Gas Company, Inc., Sxxxxxx Division Columbia Gulf TransmissionMACQUARIE ENERGY LLC COLUMBIA GULF TRANSMISSION, LLC By: Sxxxxxx Xxxx By: Mxxx By Xxxxxx XxXxxxxx By Xxxxx Its: Agent Its: Director Commercial Services Date: April 28, 2010 Date: April 27, 2010 SERVICE AGREEMENT NO. 43828 CONTROL NO. 1994-07-02 – 0041 FTS 1 SERVICE AGREEMENT THIS AGREEMENT, made and entered into this 4th day of October, 1994, by and between: COLUMBIA GULF TRANSMISSION COMPANY ("TRANSPORTER") AND DELTA NATURAL GAS CO., INC. ("SHIPPER")Xxxxxxxx Title VP Gas Scheduling Title Manager

Superseded Agreements. This Service Agreement supersedes and cancels, as of the effective date hereof, the following Service Agreements: FTS1 37824 DELTA NATURAL Agreement(s): N/A. MACQUARIE ENERGY LLC COLUMBIA GAS CO.TRANSMISSION, INC. By: /s/Axxx X. LLC By Xxxxxx XxXxxxxx By Xxxxx Name: Axxx X. Xxxxx Title: Vice President – Operations and Engineering Date: September Xxxxxxxx Title VP Gas Scheduling Title Manager Date May 31, 2019 Date May 30, 1994 COLUMBIA GULF TRANSMISSION COMPANY By: /s/ S. X. Xxxxxxx Name: S. X. Xxxxxxx Title: Vice President Date: 10/11/94 2019 Revision No. 0 Appendix A to Service Agreement No. 43827 Revision No. 2 223218 Under Rate Schedule FTS-1 Between FTS between Columbia Gas Transmission, LLC ("Transporter") Columbia Gulf Transmission Company and Macquarie Energy LLC ("Shipper) Delta Natural Gas Company, Inc., Sxxxxxx Division "). Transportation Demand Begin Date End Date Transportation Demand Dth/day Recurrence Interval November 1, 1994 October 31, 2010 860 06/01/2019 10/31/2019 30,000 1/1 – 12/31 November 1, 2010 October 31, 2015 860 1/1 – - 12/31 Primary Receipt Points Minimum Maximum Receipt Daily Pressure Scheduling Measuring Quantity Obligation Recurrence Begin Date End Date Measuring Point No. Scheduling Point Name Point No. Measuring Point Name Maximum Daily Quantity (Dth/Dayday) Recurrence (psig) 1/ Interval November 1, 1994 October 31, 2010 2700010 CGT – Rayne 860 06/01/2019 10/31/2019 A04 ALEXANDER AGG POINT 04 A04 ALEXANDER AGG POINT 04 30,000 1/1 – 12/31 November 1, 2010 October 31, 2015 2700010 CGT – Rayne 860 1/1 – - 12/31 Primary Delivery Points Maximum Minimum Daily Delivery Delivery Design Daily Pressure Scheduling Measuring Obligation Quantity Obligation Recurrence Begin Date End Date Measuring Point No. Scheduling Point Name Point No. Measuring Point Name Maximum Daily Quantity (Dth/Dayday) Recurrence 1/ (Dth/day) 1/ (psig) 1/ Interval November 106/01/2019 10/31/2019 801 TCO-XXXXX 801 TCO-XXXXX 30,000 1/1 - 12/31 1/ Application of MDDOs, 1994 October 31DDQs and ADQs, 2010 801 Gulf - Lxxxx 860 1/1 – 12/31 Appendix A to Service Agreement No. 43827 Revision No. 2 Under Rate Schedule FTS-1 Between (Transporter) Columbia Gulf Transmission Company and (Shipper) Delta Natural Gas Company, Inc., Sxxxxxx Division minimum pressure and/or hourly flowrate shall be as follows: The Master List of Interconnects ("MLI") as defined in Section 1 of the General Terms and Conditions of Transporter's Tariff is incorporated herein by reference for purposes of listing valid secondary interruptible receipt points and delivery points. _____ Yes __X__ X No (Check applicable blank) Transporter and Shipper have mutually agreed to a Regulatory Restructuring Reduction Option pursuant to Section 34 42 of the General Terms and Conditions of Transporter's FERC Gas Tariff. _____ Yes __X__ X No (Check applicable blank) Shipper Xxxxxxx has a contractual right of first refusal equivalent to the right of first refusal set forth from time to time in Section 4 of the General Terms and Conditions of Transporter's FERC Gas Tariff. _____ Yes __X__ X No (Check applicable blank) All gas shall be delivered at existing points of interconnection within the Maximum Daily QuantityMDDOs, ADQs and/or DDQs, as applicable, set forth in Transporter's currently effective Rate Schedule FTS-1 Service Agreement No. Appendix A with Shipper, which for such points set forth are incorporated herein by reference. _____ Yes __X__ X No (Check applicable blank) This Service Agreement covers interim capacity sold pursuant to the provisions of General Terms and Conditions Section 4.2(j)4. Right of first refusal rights, if andany, applicable to this interim capacity are limited as provided for in General Terms and Conditions Section 4.2(j)4. CANCELLATION OF PREVIOUS APPENDIX A Yes X No (Check applicable blank) This Service changes Agreement covers offsystem capacity sold pursuant to Section 47 of the General Terms and Conditions. Right of first refusal rights, if any, applicable to this Appendix A, Revision Nooffsystem capacity are limited as provided for in General Terms and Conditions Section 47. 2 shall commence as of November 01, 2010. This Appendix A, Revision No. 2 shall cancel and supersede the previous Appendix A, Revision No. 1 to the Service Agreement dated November 01, 1994. With the exception of this Appendix A, Revision No. 2, all other terms and conditions of said Service Agreement shall remain in full force and effect. Delta Natural Gas Company, Inc., Sxxxxxx Division Columbia Gulf TransmissionMACQUARIE ENERGY LLC COLUMBIA GAS TRANSMISSION, LLC By: Sxxxxxx Xxxx By: Mxxx By Xxxxxx XxXxxxxx By Xxxxx Its: Agent Its: Director Commercial Services Date: April 28, 2010 Date: April 27, 2010 SERVICE AGREEMENT NO. 43828 CONTROL NO. 1994-07-02 – 0041 FTS 1 SERVICE AGREEMENT THIS AGREEMENT, made and entered into this 4th day of October, 1994, by and between: COLUMBIA GULF TRANSMISSION COMPANY ("TRANSPORTER") AND DELTA NATURAL GAS CO., INC. ("SHIPPER")Xxxxxxxx Title VP Gas Scheduling Title Manager

Superseded Agreements. This Service Agreement supersedes and cancels, as of the effective date hereof, the following Service Agreements: FTS1 37824 DELTA NATURAL Agreement(s): N/A. SPOTLIGHT ENERGY, LLC COLUMBIA GAS CO.TRANSMISSION, INC. By: /s/Axxx X. LLC By _Xxxxx Name: Axxx X. Xxxxxxxxxxx By _Xxxxx Title: Vice President – Xxxxxx Title _Trader & Scheduler Title _SVP Commercial Operations and Engineering Date: September Date _November 30, 1994 COLUMBIA GULF TRANSMISSION COMPANY By: /s/ S. X. Xxxxxxx Name: S. X. Xxxxxxx Title: Vice President Date: 10/11/94 2015 Date _November 30, 2015 Revision No. 0 Appendix A to Service Agreement No. 43827 Revision No. 2 171555 Under Rate Schedule FTS-1 Between FTS between Columbia Gas Transmission, LLC (“Transporter”) Columbia Gulf Transmission Company and Spotlight Energy, LLC (“Shipper”) Delta Natural Gas Company, Inc., Sxxxxxx Division Transportation Demand Begin Date End Date Transportation Demand Dth/day Recurrence Interval November December 1, 1994 2015 October 31, 2010 860 1/1 – 12/31 November 1, 2010 October 31, 2015 860 1/1 – 2016 8,600 1/1-12/31 Primary Receipt Points Begin Date End Date Scheduling Point No. Scheduling Point Name Measuring Point No. Measuring Point Name Maximum Daily Quantity (Dth/Dayday) Minimum Receipt Pressure Obligation (psig) 1/ Recurrence Interval November December 1, 1994 2015 October 31, 2010 2700010 CGT – Rayne 860 1/1 – 12/31 November 1, 2010 October 31, 2015 2700010 CGT – Rayne 860 1/1 – 2016 C23 Pennsburg- 23 631929 Pennsburg 8,600 1/1-12/31 Primary Delivery Points Begin Date End Date Scheduling Point No. Scheduling Point Name Measuring Point No. Measuring Point Name Maximum Daily Delivery Obligation (Dth/day) 1/ Design Daily Quantity (Dth/Dayday) 1/ Minimum Delivery Pressure Obligation (psig) 1/ Recurrence Interval November Dece Octo mber ber 1, 1994 October 31, 2010 801 Gulf - Lxxxx 860 1/1 – Xxxxxxx Xxxxxxx 2015 2016 E5 Creek 638094 Creek #3 8,600 1/1-12/31 Appendix A to Service Agreement No. 43827 Revision No. 2 Under Rate Schedule FTS-1 Between (Transporter) Columbia Gulf Transmission Company 1/ Application of MDDOs, DDQs and (Shipper) Delta Natural Gas CompanyADQs, Inc., Sxxxxxx Division minimum pressure and/or hourly flowrate shall be as follows: The Master List of Interconnects (“MLI”) as defined in Section 1 of the General Terms and Conditions of Transporter's Tariff is incorporated herein by reference for purposes of listing valid secondary interruptible receipt points and delivery points. _____ Yes __X__ No (Check applicable blank) Transporter and Shipper have mutually agreed to a Regulatory Restructuring Reduction Option pursuant to Section 34 42 of the General Terms and Conditions of Transporter's FERC Gas Tariff. _____ Yes __X__ X No (Check applicable blank) Shipper Xxxxxxx has a contractual right of first refusal equivalent to the right of first refusal set forth from time to time in Section 4 of the te General Terms and Conditions of Transporter's FERC Gas Tariff. _____ Yes __X__ No (Check applicable blank) All gas shall be delivered at existing points of interconnection within the Maximum Daily QuantityMDDOs, ADQs and/or DDQs, as applicable, set forth in Transporter's currently effective Rate Schedule FTS-1 Service Agreement No. Appendix A with Shipper, which for such points set forth are incorporated herein by reference. _____ Yes __X__ No (Check applicable blank) This Service Agreement covers interim capacity sold pursuant to the provisions of General Terms and Conditions Section 4.2(j)4. Right of first refusal rights, if andany, applicable to this interim capacity are limited as provided for in General Terms and Conditions Section 4.2(j)4. CANCELLATION OF PREVIOUS APPENDIX A Yes _X_ No (Check applicable blank) This Service changes Agreement covers offsystem capacity sold pursuant to Section 47 of the General Terms and Conditions. Right of first refusal rights, if any, applicable to this Appendix A, Revision Nooffsystem capacity are limited as provided for in General Terms and Conditions Section 47. 2 shall commence as of November 01, 2010. This Appendix A, Revision No. 2 shall cancel and supersede the previous Appendix A, Revision No. 1 to the Service Agreement dated November 01, 1994. With the exception of this Appendix A, Revision No. 2, all other terms and conditions of said Service Agreement shall remain in full force and effect. Delta Natural Gas Company, Inc., Sxxxxxx Division Columbia Gulf TransmissionSPOTLIGHT ENERGY, LLC By: Sxxxxxx Xxxx By: Mxxx COLUMBIA GAS TRANSMISSION, LLC By Xxxxx Its: Agent Its: Director Commercial Services Date: April 28Xxxxxxxxxxx Title Trader & Scheduler Date November 30, 2010 Date: April 27, 2010 SERVICE AGREEMENT NO. 43828 CONTROL NO. 1994-07-02 – 0041 FTS 1 SERVICE AGREEMENT THIS AGREEMENT, made and entered into this 4th day of October, 1994, by and between: COLUMBIA GULF TRANSMISSION COMPANY ("TRANSPORTER") AND DELTA NATURAL GAS CO., INC. ("SHIPPER")2015

Superseded Agreements. This Service Agreement supersedes and cancels, as of the effective date hereof, the following Service Agreements: FTS1 37824 Agreement(s): FTS-1 No. 43829, Revision No. 2. DELTA NATURAL GAS CO.COMPANY, INC. By: /s/Axxx X. Xxxxx Name: Axxx X. Xxxxx Title: Vice President – Operations and Engineering Date: September 30, 1994 COLUMBIA GULF TRANSMISSION COMPANY By: /s/ S. X. Xxxxxxx Name: S. X. Xxxxxxx Title: TRANSMISSION, LLC By Xxxxx Xxxxxx By Xxxxx Xxxxxx Title Vice President Date: 10/11/94 Appendix A to Service Agreement No. 43827 Revision No. 2 Under Rate Schedule FTS-1 Between (Transporter) Columbia Gulf Transmission Company and (Shipper) Delta Natural Gas Company, Inc., Sxxxxxx Division Transportation Demand Begin President-Trans&Gas Supply Title Director Date End Date Transportation Demand Dth/day Recurrence Interval November 1, 1994 October 31, 2010 860 1/1 – 12/31 November 1, 2010 October 3129, 2015 860 1/1 – 12/31 Date October 19, 2015 Primary Receipt Points Begin Date End Date Measuring Point No. Measuring Point Name Maximum Daily Quantity (Dth/Dayday) Recurrence Interval November 1, 1994 2015 October 31, 2010 2020 2700010 CGT – Rayne 860 CGT-RAYNE 1,682 1/1 – 12/31 November 1, 2010 October 31, 2015 2700010 CGT – Rayne 860 1/1 – - 12/31 Primary Delivery Points Begin Date End Date Measuring Point No. Measuring Point Name Maximum Daily Quantity (Dth/Dayday) Recurrence Interval November 1, 1994 2015 October 31, 2010 2020 801 Gulf GULF-XXXXX 1,682 1/1 - Lxxxx 860 12/31 Transportation Demand Begin Date End Date Transportation Demand Dth/day Recurrence Interval November 1, 2015 October 31, 2020 1,682 1/1 – - 12/31 Appendix A to Service Agreement No. 43827 Revision No. 2 43829 Under Rate Schedule FTS-1 Between (Transporter) between Columbia Gulf Transmission Company Transmission, LLC ("Transporter") and (Shipper) Delta Natural Gas Company, Inc., Sxxxxxx Division Inc. ("Shipper") Revision No. 3 The Master List of Interconnects ("MLI") as defined in Section 1 of the General Terms and Conditions of Transporter's Tariff is incorporated herein by reference for purposes of listing valid secondary interruptible receipt points and delivery points. Transporter and Shipper have mutually agreed to the following maximum or minimum pressure commitments: _____ Yes __X__ No (Check applicable blank) Transporter and Shipper have mutually agreed to a Regulatory Restructuring Reduction Option pursuant to Section 34 33 of the General Terms and Conditions of Transporter's FERC Gas Tariff. _____ Yes __X__ No (Check applicable blank) Shipper has a contractual right of first refusal equivalent to the right of first refusal set forth from time to time in Section 4 of the General Terms and Conditions of Transporter's FERC Gas Tariff. _____ Yes __X__ No (Check applicable blank) All gas shall be delivered at existing points of interconnection within the Maximum Daily Quantity, as applicable, set forth in Transporter's currently effective Rate Schedule FTS-1 Appendix A with Shipper, which for such points set forth are incorporated by reference. _____ Yes __X__ No (Check applicable blank) This Service Agreement covers interim capacity sold pursuant to the provisions of General Terms and Conditions Section 4.2(j)4. Right of first refusal rights, if andany, applicable to this interim capacity are limited as provided for in General Terms and Conditions Section 4.2(j)4. CANCELLATION OF PREVIOUS APPENDIX A Service changes pursuant to this Appendix A, Revision No. 2 shall commence as of November 01, 2010. This Appendix A, Revision No. 2 shall cancel and supersede the previous Appendix A, Revision No. 1 to the Service Agreement dated November 01, 1994. With the exception of this Appendix A, Revision No. 2, all other terms and conditions of said Service Agreement shall remain in full force and effect. Delta Natural Gas Company, Inc., Sxxxxxx Division Columbia Gulf Transmission, LLC By: Sxxxxxx Xxxx By: Mxxx Xxxxx Its: Agent Its: Director Commercial Services Date: April 28, 2010 Date: April 27, 2010 SERVICE AGREEMENT NO. 43828 CONTROL NO. 1994-07-02 – 0041 FTS 1 SERVICE AGREEMENT THIS AGREEMENT, made and entered into this 4th day of October, 1994, by and between: COLUMBIA GULF TRANSMISSION COMPANY ("TRANSPORTER") AND DELTA NATURAL GAS CO.COMPANY, INC. ("SHIPPER")COLUMBIA GULF TRANSMISSION, LLC By Xxxxx Xxxxxx By Xxxxx Xxxxxx Title Vice President-Trans&Gas Supply Title Director Date October 29, 2015 Date October 19, 2015

Superseded Agreements. This Service Agreement supersedes and cancels, as of the effective date hereof, the following Service Agreements: FTS1 37824 DELTA NATURAL GAS CO., Agreement(s): N/A. VITOL INC. By: /s/Axxx COLUMBIA GAS TRANSMISSION, LLC By X. Xxxxx Name: Axxx X. Xxxxx Title: Xxxxxxxxx By Title Date Vice President – Operations and Engineering Date: September - Trade Processing November 29, 2021 Title Date Manager, USNG Contracts November 30, 1994 COLUMBIA GULF TRANSMISSION COMPANY By: /s/ S. X. Xxxxxxx Name: S. X. Xxxxxxx Title: Vice President Date: 10/11/94 2021 Revision No. 0 Appendix A to Service Agreement No. 43827 Revision No. 2 259732 Under Rate Schedule FTS-1 Between OPT30 between Columbia Gas Transmission, LLC ("Transporter") Columbia Gulf Transmission Company and Vitol Inc. ("Shipper) Delta Natural Gas Company, Inc., Sxxxxxx Division "). Transportation Demand Service under this Service Agreement may be interrupted for 30 days annually. Begin Date End Date Transportation Demand Dth/day Recurrence Interval November 1, 1994 October 31, 2010 860 12/01/2021 11/30/2022 17,200 1/1 – 12/31 November 1, 2010 October 31, 2015 860 1/1 – - 12/31 Primary Receipt Points Maximum Minimum Receipt Scheduling Measuring Daily Quantity Pressure Obligation Recurrence Begin Date End Date Measuring Point No. Scheduling Point Name Point No. Measuring Point Name Maximum Daily Quantity (Dth/Dayday) Recurrence 1/ (psig) 1/ Interval November 1, 1994 October 31, 2010 2700010 CGT – Rayne 860 12/01/2021 11/30/2022 A04 ALEXANDER AGG POINT 04 A04 ALEXANDER AGG POINT 04 2,775 1/1 – - 12/31 November 1, 2010 October 31, 2015 2700010 CGT – Rayne 860 12/01/2021 11/30/2022 P10 TCO POOL P10 TCO POOL 14,425 1/1 – - 12/31 Primary Delivery Points Scheduling Measuring Maximum Daily Delivery Obligation Design Daily Quantity Minimum Delivery Pressure Obligation Recurrence Begin Date End Date Measuring Point No. Scheduling Point Name Point No. Measuring Point Name Maximum Daily Quantity (Dth/Dayday) Recurrence 1/ (Dth/day) 1/ (psig) 1/ Interval November 112/01/2021 11/30/2022 843105 Transco Chantilly 843105 Transco Chantilly 17,200 1/1 - 12/31 1/ Application of MDDOs, 1994 October 31DDQs and ADQs, 2010 801 Gulf - Lxxxx 860 1/1 – 12/31 Appendix A to Service Agreement No. 43827 Revision No. 2 Under Rate Schedule FTS-1 Between (Transporter) Columbia Gulf Transmission Company and (Shipper) Delta Natural Gas Company, Inc., Sxxxxxx Division minimum pressure and/or hourly flowrate shall be as follows: The Master List of Interconnects ("MLI") as defined in Section 1 of the General Terms and Conditions of Transporter's Tariff is incorporated herein by reference for purposes of listing valid secondary interruptible receipt points and delivery points. _____ Yes __X__ X No (Check applicable blank) Transporter and Shipper have mutually agreed to a Regulatory Restructuring Reduction Option pursuant to Section 34 42 of the General Terms and Conditions of Transporter's FERC Gas Tariff. _____ Yes __X__ X No (Check applicable blank) Shipper Xxxxxxx has a contractual right of first refusal equivalent to the right of first refusal set forth from time to time in Section 4 of the General Terms and Conditions of Transporter's FERC Gas Tariff. _____ Yes __X__ No (Check applicable blank) All gas shall be delivered at existing points of interconnection within the Maximum Daily Quantity, as applicable, set forth in Transporter's currently effective Rate Schedule FTS-1 Appendix A with Shipper, which for such points set forth are incorporated by reference. _____ Yes __X__ X No (Check applicable blank) This Service Agreement covers interim capacity sold pursuant to the provisions of General Terms and Conditions Section 4.2(j)4. Right of first refusal rights, if andany, applicable to this interim capacity are limited as provided for in General Terms and Conditions Section 4.2(j)4. CANCELLATION OF PREVIOUS APPENDIX A Yes X No (Check applicable blank) This Service changes Agreement covers offsystem capacity sold pursuant to Section 47 of the General Terms and Conditions. Right of first refusal rights, if any, applicable to this Appendix Aoffsystem capacity are limited as provided for in General Terms and Conditions Section 47. VITOL INC. COLUMBIA GAS TRANSMISSION, Revision NoLLC J By . 2 shall commence as of Xxxxx Xxxxxxxxx By Title Date Vice President - Trade Processing November 0129, 2010. This Appendix A2021 Title Date Manager, Revision No. 2 shall cancel and supersede the previous Appendix AUSNG Contracts November 30, Revision No. 1 to the Service Agreement dated November 01, 1994. With the exception of this Appendix A, Revision No. 2, all other terms and conditions of said Service Agreement shall remain in full force and effect. Delta Natural 2021 Columbia Gas Company, Inc., Sxxxxxx Division Columbia Gulf Transmission, LLC By: Sxxxxxx Xxxx By: Mxxx Xxxxx Its: Agent Its: Director Commercial Services Date: April 28, 2010 Date: April 27, 2010 SERVICE AGREEMENT NO. 43828 CONTROL NO. 1994-07-02 – 0041 FTS 1 SERVICE AGREEMENT THIS AGREEMENT, made and entered into this 4th day of October, 1994, by and between: COLUMBIA GULF TRANSMISSION COMPANY ("TRANSPORTER") AND DELTA NATURAL GAS CO000 Xxxxxxxxx Xx., INCXxxxx 0000 Houston, Texas 77002 November 29, 2021 Vitol Inc. 1100 Louisiana, Suite 5500 Houston, TX 77002 Attention: Xxxxxx Xxxxxx RE: OPT-30 Service Agreement No. 259732 Negotiated Rate Letter Agreement Dear Xxxxxx: This Negotiated Rate Letter Agreement ("SHIPPER"“NRL”) between Columbia Gas Transmission, LLC (“Transporter” or “TCO”) and Vitol Inc., (“Shipper”), shall set forth the applicable rates and other rate provisions associated with the transportation service provided by Transporter to Shipper pursuant to the above-referenced Service Agreement. Transporter and Shipper may be referred to individually as a “Party” or collectively as the “Parties”. Shipper and Transporter hereby agree:

Superseded Agreements. This Service Agreement supersedes and cancels, as of the effective date hereof, the following Service Agreements: FTS1 37824 DELTA NATURAL Agreement(s): FTS No. 206817, Revision No. 0. EXELON GENERATION COMPANY, LLC COLUMBIA GAS CO.TRANSMISSION, INCLLC By Xxxxxx Xxxxxx By Xxx Xxxx Title Gas Scheduler Title Director Short Term Marketing Date June 28, 2018 Date June 28, 2018 Revision No. By: /s/Axxx X. Xxxxx Name: Axxx X. Xxxxx Title: Vice President – Operations and Engineering Date: September 30, 1994 COLUMBIA GULF TRANSMISSION COMPANY By: /s/ S. X. Xxxxxxx Name: S. X. Xxxxxxx Title: Vice President Date: 10/11/94 1 Appendix A to Service Agreement No. 43827 Revision No. 2 206817 Under Rate Schedule FTS-1 Between FTS between Columbia Gas Transmission, LLC ("Transporter") Columbia Gulf Transmission Company and (Shipper) Delta Natural Gas Exelon Generation Company, Inc., Sxxxxxx Division LLC ("Shipper"). Transportation Demand Begin Date End Date Transportation Demand Dth/day Recurrence Interval November 1, 1994 October 31, 2010 860 06/28/2018 10/31/2018 15,000 1/1 – 12/31 November 1, 2010 October 31, 2015 860 1/1 – - 12/31 Primary Receipt Points Minimum Maximum Receipt Daily Pressure Scheduling Measuring Quantity Obligation Recurrence Begin Date End Date Measuring Point No. Scheduling Point Name Point No. Measuring Point Name Maximum Daily Quantity (Dth/Dayday) Recurrence (psig) 1/ Interval November 1, 1994 October 31, 2010 2700010 CGT – Rayne 860 06/28/2018 10/31/2018 740165 Lebanon - XXX 740165 Lebanon - XXX 15,000 1/1 – 12/31 November 1, 2010 October 31, 2015 2700010 CGT – Rayne 860 1/1 – - 12/31 Primary Delivery Points Maximum Minimum Daily Delivery Delivery Design Daily Pressure Scheduling Measuring Obligation Quantity Obligation Recurrence Begin Date End Date Measuring Point No. Scheduling Point Name Point No. Measuring Point Name Maximum Daily Quantity (Dth/Dayday) Recurrence 1/ (Dth/day) 1/ (psig) 1/ Interval November 106/28/2018 10/31/2018 33-6 DAYTON-6 730597 XXXXXX 15,000 1/1 - 12/31 1/ Application of MDDOs, 1994 October 31DDQs and ADQs, 2010 801 Gulf - Lxxxx 860 1/1 – 12/31 Appendix A to Service Agreement No. 43827 Revision No. 2 Under Rate Schedule FTS-1 Between (Transporter) Columbia Gulf Transmission Company and (Shipper) Delta Natural Gas Company, Inc., Sxxxxxx Division minimum pressure and/or hourly flowrate shall be as follows: The Master List of Interconnects ("MLI") as defined in Section 1 of the General Terms and Conditions of Transporter's Tariff is incorporated herein by reference for purposes of listing valid secondary interruptible receipt points and delivery points. _____ Yes __X__ X No (Check applicable blank) Transporter and Shipper have mutually agreed to a Regulatory Restructuring Reduction Option pursuant to Section 34 42 of the General Terms and Conditions of Transporter's FERC Gas Tariff. _____ Yes __X__ X No (Check applicable blank) Shipper Xxxxxxx has a contractual right of first refusal equivalent to the right of first refusal set forth from time to time in Section 4 of the General Terms and Conditions of Transporter's FERC Gas Tariff. _____ Yes __X__ X No (Check applicable blank) All gas shall be delivered at existing points of interconnection within the Maximum Daily QuantityMDDOs, ADQs and/or DDQs, as applicable, set forth in Transporter's currently effective Rate Schedule FTS-1 Service Agreement No. Appendix A with Shipper, which for such points set forth are incorporated herein by reference. _____ Yes __X__ X No (Check applicable blank) This Service Agreement covers interim capacity sold pursuant to the provisions of General Terms and Conditions Section 4.2(j)4. Right of first refusal rights, if andany, applicable to this interim capacity are limited as provided for in General Terms and Conditions Section 4.2(j)4. CANCELLATION OF PREVIOUS APPENDIX A Yes X No (Check applicable blank) This Service changes Agreement covers offsystem capacity sold pursuant to Section 47 of the General Terms and Conditions. Right of first refusal rights, if any, applicable to this Appendix A, Revision Nooffsystem capacity are limited as provided for in General Terms and Conditions Section 47. 2 shall commence as of November 01, 2010. This Appendix A, Revision No. 2 shall cancel and supersede the previous Appendix A, Revision No. 1 to the Service Agreement dated November 01, 1994. With the exception of this Appendix A, Revision No. 2, all other terms and conditions of said Service Agreement shall remain in full force and effect. Delta Natural Gas Company, Inc., Sxxxxxx Division Columbia Gulf TransmissionEXELON GENERATION COMPANY, LLC By: Sxxxxxx COLUMBIA GAS TRANSMISSION, LLC By Xxxxxx Xxxxxx By Xxx Xxxx By: Mxxx Xxxxx Its: Agent Its: Title Gas Scheduler Title Director Commercial Services Date: April 28, 2010 Date: April 27, 2010 SERVICE AGREEMENT NO. 43828 CONTROL NO. 1994-07-02 – 0041 FTS 1 SERVICE AGREEMENT THIS AGREEMENT, made and entered into this 4th day of October, 1994, by and between: COLUMBIA GULF TRANSMISSION COMPANY ("TRANSPORTER") AND DELTA NATURAL GAS CO., INC. ("SHIPPER")Short Term Marketing