Common use of Ratification of Guaranty Clause in Contracts

Ratification of Guaranty. As inducement for the Lender to enter into the First Amendment to Revolving Credit and Term Loan Agreement (“Amendment”) dated effective September 30, 2005, to which this Ratification is affixed, the undersigned Guarantors each hereby agree to Section 5 of the Amendment and further hereby ratifies and confirms its Guaranty Agreement. Tulsat Corporation, an Oklahoma corporation By /s/ Xxxxx Xxxxxxx Xxxxx Xxxxxxx, President ADDvantage Technologies Group of Missouri, Inc., a Missouri corporation By /s/ Xxxxx Xxxxxxx Xxxxx Xxxxxxx, Vice President ADDvantage Technologies Group of Nebraska, Inc., a Nebraska corporation By /s/ Xxx Xxxxxxx Xxx Xxxxxxx, Vice President ADDvantage Technologies Group of Texas, Inc., a Texas corporation By /s/ Xxx Xxxxxxx Xxx Xxxxxxx, Vice President NCS Industries, Inc., a Pennsylvania corporation By /s/ Xxxxx Xxxxxxx Xxxxx Xxxxxxx, President Tulsat Atlanta, LLC, an Oklahoma limited liability company (a subsidiary of Tulsat Corporation) By: ADDvantage Technologies Group, Inc. Its sole member and Manager By /s/ Xxxxx Xxxxxxx Xxxxx Xxxxxxx, Chairman of the Board Schedule “2.1.2” ($7,000,000 Line Note) PROMISSORY NOTE $7,000,000 September 30, 2005 Tulsa, Oklahoma FOR VALUE RECEIVED, the undersigned, ADDVANTAGE TECHNOLOGIES GROUP, INC., AN Oklahoma corporation (“Maker”), promises to pay to the order of BANK OF OKLAHOMA, N.A. (“Lender”), at its offices in Tulsa, Oklahoma, the principal sum of SEVEN MILLION AND NO/100 DOLLARS ($7,000,000,00) or, if less, the aggregate sum of advances made by Lender to Maker under the Revolving Credit and Term Loan Agreement between Maker and Lender dated September 30, 2004 (as amended, the “Credit Agreement”), payable as follows:

Ratification of Guaranty. As inducement for the Lender to enter into the First Amendment Seven to Amended and Restated Revolving Credit and Term Loan Agreement (“Amendment”) dated effective September 30October 14, 20052016, to which this Ratification is affixed, the undersigned Guarantors each hereby agree agrees to the Amendment, including Section 5 3.5 thereof. This Ratification may be executed in multiple counterparts. ADDVANTAGE TECHNOLOGIES GROUP OF MISSOURI, INC., a Missouri corporation By /s/ Xxxxx X. Xxxxxxx Xxxxx X. Xxxxxxx, Secretary/Treasurer ADDVANTAGE TECHNOLOGIES GROUP OF NEBRASKA, INC., a Nebraska corporation By /s/ Xxxxx X. Xxxxxxx Xxxxx X. Xxxxxxx, Secretary/Treasurer ADDVANTAGE TECHNOLOGIES GROUP OF TEXAS, INC., a Texas corporation By /s/ Xxxxx X. Xxxxxxx Xxxxx X. Xxxxxxx, Secretary/Treasurer NCS INDUSTRIES, INC., a Pennsylvania corporation By /s/ Xxxxx X. Xxxxxxx Xxxxx X. Xxxxxxx, Secretary/Treasurer TULSAT, LLC, an Oklahoma limited liability company, by conversion of the Amendment Tulsat Corporation By /s/ Xxxxx X. Xxxxxxx Xxxxx X. Xxxxxxx, Secretary/Treasurer TULSAT-ATLANTA, L.L.C., an Oklahoma limited liability company By ADDvantage Technologies Group, Inc., an Oklahoma corporation, Its sole member and further hereby ratifies manager By /s/ Xxxxx X. Xxxxxxx Xxxxx X. Xxxxxxx, Vice President, Chief Financial Officer and confirms its Guaranty Agreement. Tulsat CorporationChief Accounting Officer XXXX COMMUNICATIONS COMPANY, a Maryland company By /s/ Xxxxx X. Xxxxxxx Xxxxx X. Xxxxxxx, CFO/Secretary/Treasurer ADDVANTAGE ACQUISITION CORPORATION, an Oklahoma corporation By /s/ Xxxxx X. Xxxxxxx Xxxxx X. Xxxxxxx, President ADDvantage Technologies Group of Missouri, Inc., a Missouri corporation By /s/ Xxxxx Xxxxxxx Xxxxx Xxxxxxx, Vice President ADDvantage Technologies Group of Nebraska, Inc., a Nebraska corporation By /s/ Xxx Xxxxxxx Xxx Xxxxxxx, Vice President ADDvantage Technologies Group of Texas, Inc., a Texas corporation By /s/ Xxx Xxxxxxx Xxx Xxxxxxx, Vice President NCS Industries, Inc., a Pennsylvania corporation By /s/ Xxxxx Xxxxxxx Xxxxx Xxxxxxx, President Tulsat AtlantaCFO/Secretary/Treasurer TULSAT-ARIZONA, LLC, an Oklahoma limited liability company (a subsidiary of Tulsat Corporation) By: ADDvantage Technologies Group, Inc. Its sole member and Manager By /s/ Xxxxx X. Xxxxxxx Xxxxx X. Xxxxxxx, Chairman of the Board Schedule “2.1.2” ($7,000,000 Line Note) PROMISSORY NOTE $7,000,000 September 30Chief Financial Officer, 2005 Tulsa, Oklahoma FOR VALUE RECEIVED, the undersigned, ADDVANTAGE TECHNOLOGIES GROUP, INC., AN Oklahoma corporation (“Maker”), promises to pay to the order of BANK OF OKLAHOMA, N.A. (“Lender”), at its offices in Tulsa, Oklahoma, the principal sum of SEVEN MILLION AND NO/100 DOLLARS ($7,000,000,00) or, if less, the aggregate sum of advances made by Lender to Maker under the Revolving Credit Treasurer and Term Loan Agreement between Maker and Lender dated September 30, 2004 (as amended, the “Credit Agreement”), payable as follows:Secretary

Ratification of Guaranty. As inducement for the Lender to enter into the First Amendment Ten to Amended and Restated Revolving Credit and Term Loan Agreement (“Amendment”) dated effective September 30May 31, 20052018, to which this Ratification is affixed, the undersigned Guarantors each hereby agree agrees to the Amendment, including Section 5 8.6 thereof. This Ratification may be executed in multiple counterparts. ADDVANTAGE TECHNOLOGIES GROUP OF MISSOURI, INC., a Missouri corporation By: /s/ Xxxxx X. Xxxxxxx Xxxxx X. Xxxxxxx, Secretary/Treasurer ADDVANTAGE TECHNOLOGIES GROUP OF NEBRASKA, INC., a Nebraska corporation By: /s/ Xxxxx X. Xxxxxxx Xxxxx X. Xxxxxxx, Secretary/Treasurer ADDVANTAGE TECHNOLOGIES GROUP OF TEXAS, INC., a Texas corporation By: /s/ Xxxxx X. Xxxxxxx Xxxxx X. Xxxxxxx, Secretary/Treasurer NCS INDUSTRIES, INC., a Pennsylvania corporation By: /s/ Xxxxx X. Xxxxxxx Xxxxx X. Xxxxxxx, Secretary/Treasurer Signature page to Ratification of the Guaranty to Amendment Ten to Amended and further hereby ratifies Restated Revolving Credit and confirms its Guaranty Agreement. Term Loan Agreement TULSAT, LLC, an Oklahoma limited liability company, by conversion of Tulsat CorporationCorporation By: /s/ Xxxxx X. Xxxxxxx Xxxxx X. Xxxxxxx, Secretary/Treasurer TULSAT-ATLANTA, L.L.C., an Oklahoma limited liability company By: ADDvantage Technologies Group, Inc., an Oklahoma corporation, Its sole member and manager By: /s/ Xxxxx X. Xxxxxxx Xxxxx X. Xxxxxxx, Vice President, Chief Financial Officer and Chief Accounting Officer XXXX COMMUNICATIONS COMPANY, a Maryland company By: /s/ Xxxxx X. Xxxxxxx Xxxxx X. Xxxxxxx, CFO/Secretary/Treasurer ADDVANTAGE ACQUISITION CORPORATION, an Oklahoma corporation By By: /s/ Xxxxx X. Xxxxxxx Xxxxx X. Xxxxxxx, President ADDvantage Technologies Group CFO/Secretary/Treasurer Signature page to Ratification of Missouri, Inc., a Missouri corporation By /s/ Xxxxx Xxxxxxx Xxxxx Xxxxxxx, Vice President ADDvantage Technologies Group of Nebraska, Inc., a Nebraska corporation By /s/ Xxx Xxxxxxx Xxx Xxxxxxx, Vice President ADDvantage Technologies Group of Texas, Inc., a Texas corporation By /s/ Xxx Xxxxxxx Xxx Xxxxxxx, Vice President NCS Industries, Inc., a Pennsylvania corporation By /s/ Xxxxx Xxxxxxx Xxxxx Xxxxxxx, President Tulsat AtlantaGuaranty to Amendment Ten to Amended and Restated Revolving Credit and Term Loan Agreement TULSAT-ARIZONA, LLC, an Oklahoma limited liability company (a subsidiary of Tulsat Corporation) By: ADDvantage Technologies Group, Inc. Its sole member and Manager By /s/ Xxxxx X. Xxxxxxx Xxxxx X. Xxxxxxx, Chairman Chief Financial Officer, Treasurer and Secretary ADDVANTAGE TRITON, LLC, an Oklahoma limited liability company By: /s/ Xxxxx X. Xxxxxxxx Xxxxx X. Xxxxxxxx, President Signature page to Ratification of the Board Schedule “2.1.2” ($7,000,000 Line Note) PROMISSORY NOTE $7,000,000 September 30, 2005 Tulsa, Oklahoma FOR VALUE RECEIVED, the undersigned, ADDVANTAGE TECHNOLOGIES GROUP, INC., AN Oklahoma corporation (“Maker”), promises Guaranty to pay Amendment Ten to the order of BANK OF OKLAHOMA, N.A. (“Lender”), at its offices in Tulsa, Oklahoma, the principal sum of SEVEN MILLION AND NO/100 DOLLARS ($7,000,000,00) or, if less, the aggregate sum of advances made by Lender to Maker under the Amended and Restated Revolving Credit and Term Loan Agreement between Maker and Lender dated September 30, 2004 (as amended, the “Credit Agreement”), payable as follows:

Ratification of Guaranty. As inducement for the Lender to enter into the First Fourth Amendment to Revolving Credit and Term Loan Agreement (“Amendment”) dated effective September 30November 27, 20052007, to which this Ratification is affixed, the undersigned Guarantors each hereby agree to Section 5 of the Amendment and further hereby ratifies and confirms its Guaranty Agreement. Tulsat Corporation, an Oklahoma corporation By /s/ Xxxxx Xxxxxxx Chymaik Xxxxx Xxxxxxx, President ADDvantage Technologies Group of Missouri, Inc., a Missouri corporation By /s/ Xxxxx Xxxxxxx Xxxxx Xxxxxxx, Vice President ADDvantage Technologies Group of Nebraska, Inc., a Nebraska corporation By /s/ Xxx Xxxxxxx Xxx Xxxxxxx, Vice President ADDvantage Technologies Group of Texas, Inc., a Texas corporation By /s/ Xxx Xxxxxxx Xxx Xxxxxxx, Vice President NCS Industries, Inc., a Pennsylvania corporation By /s/ Xxxxx Xxxxxxx Xxxxx Xxxxxxx, President Tulsat Tulsat-Atlanta, LLCL.L.C., an Oklahoma limited liability company (a subsidiary of Tulsat Corporation) By: ADDvantage Technologies Group, Inc. Inc., Its sole member and Manager By /s/ Xxxxx Xxxxxxx Chymaik Xxxxx Xxxxxxx, Chairman of the Board Schedule “"2.1.2” ($7,000,000 Line Note) " PROMISSORY NOTE $7,000,000 September 30November 27, 2005 2007 Tulsa, Oklahoma FOR VALUE RECEIVED, the undersigned, ADDVANTAGE TECHNOLOGIES GROUP, INC., AN an Oklahoma corporation (“"Maker”"), promises to pay to the order of BANK OF OKLAHOMA, N.A. (“"Lender”"), at its offices in Tulsa, Oklahoma, the principal sum of SEVEN MILLION AND NO/100 DOLLARS ($7,000,000,007,000,000.00) or, if less, the aggregate sum of advances made by Lender to Maker under the Revolving Credit and Term Loan Agreement between Maker and Lender dated September 30, 2004 (as amended, the “Credit Agreement”), payable as follows:

Ratification of Guaranty. As inducement for the Lender to enter into the First Amendment Eight to Amended and Restated Revolving Credit and Term Loan Agreement (“Amendment”) dated effective September 30March 31, 20052017, to which this Ratification is affixed, the undersigned Guarantors each hereby agree agrees to the Amendment, including Section 5 3.5 thereof. This Ratification may be executed in multiple counterparts. ADDVANTAGE TECHNOLOGIES GROUP OF MISSOURI, INC., a Missouri corporation By: /s/ Xxxxx X. Xxxxxxx Xxxxx X. Xxxxxxx, Secretary/Treasurer ADDVANTAGE TECHNOLOGIES GROUP OF NEBRASKA, INC., a Nebraska corporation By: /s/ Xxxxx X. Xxxxxxx Xxxxx X. Xxxxxxx, Secretary/Treasurer ADDVANTAGE TECHNOLOGIES GROUP OF TEXAS, INC., a Texas corporation By: /s/ Xxxxx X. Xxxxxxx Xxxxx X. Xxxxxxx, Secretary/Treasurer NCS INDUSTRIES, INC., a Pennsylvania corporation By: /s/ Xxxxx X. Xxxxxxx Xxxxx X. Xxxxxxx, Secretary/Treasurer to Amended and Restated Revolving Credit and Term Loan Agreement TULSAT, LLC, an Oklahoma limited liability company, by conversion of the Amendment Tulsat Corporation By: /s/ Xxxxx X. Xxxxxxx Xxxxx X. Xxxxxxx, Secretary/Treasurer TULSAT-ATLANTA, L.L.C., an Oklahoma limited liability company By: ADDvantage Technologies Group, Inc., an Oklahoma corporation, Its sole member and further hereby ratifies manager By: /s/ Xxxxx X. Xxxxxxx Xxxxx X. Xxxxxxx, Vice President, Chief Financial Officer and confirms its Guaranty Agreement. Tulsat CorporationChief Accounting Officer XXXX COMMUNICATIONS COMPANY, a Maryland company By: /s/ Xxxxx X. Xxxxxxx Xxxxx X. Xxxxxxx, CFO/Secretary/Treasurer ADDVANTAGE ACQUISITION CORPORATION, an Oklahoma corporation By By: /s/ Xxxxx X. Xxxxxxx Xxxxx X. Xxxxxxx, President ADDvantage Technologies Group CFO/Secretary/Treasurer Signature page to Ratification of Missouri, Inc., a Missouri corporation By /s/ Xxxxx Xxxxxxx Xxxxx Xxxxxxx, Vice President ADDvantage Technologies Group of Nebraska, Inc., a Nebraska corporation By /s/ Xxx Xxxxxxx Xxx Xxxxxxx, Vice President ADDvantage Technologies Group of Texas, Inc., a Texas corporation By /s/ Xxx Xxxxxxx Xxx Xxxxxxx, Vice President NCS Industries, Inc., a Pennsylvania corporation By /s/ Xxxxx Xxxxxxx Xxxxx Xxxxxxx, President Tulsat AtlantaGuaranty to Amendment Eight to Amended and Restated Revolving Credit and Term Loan Agreement TULSAT-ARIZONA, LLC, an Oklahoma limited liability company (a subsidiary of Tulsat Corporation) By: ADDvantage Technologies Group, Inc. Its sole member and Manager By /s/ Xxxxx X. Xxxxxxx Xxxxx X. Xxxxxxx, Chairman Chief Financial Officer, Treasurer and Secretary ADDVANTAGE TRITON, LLC, an Oklahoma limited liability company By: /s/ Xxxxx X. Xxxxxxxx Xxxxx X. Xxxxxxxx, President Signature page to Ratification of the Board Schedule “2.1.2” ($7,000,000 Line Note) PROMISSORY NOTE $7,000,000 September 30, 2005 Tulsa, Oklahoma FOR VALUE RECEIVED, the undersigned, ADDVANTAGE TECHNOLOGIES GROUP, INC., AN Oklahoma corporation (“Maker”), promises Guaranty to pay Amendment Eight to the order of BANK OF OKLAHOMA, N.A. (“Lender”), at its offices in Tulsa, Oklahoma, the principal sum of SEVEN MILLION AND NO/100 DOLLARS ($7,000,000,00) or, if less, the aggregate sum of advances made by Lender to Maker under the Amended and Restated Revolving Credit and Term Loan Agreement between Maker and Lender dated September 30, 2004 (as amended, the “Credit Agreement”), payable as follows:

Ratification of Guaranty. As inducement for the Lender to enter into the First Amendment Five to Amended and Restated Revolving Credit and Term Loan Agreement (“Amendment”) dated effective September 30November 28, 2005, 2014 to which this Ratification is affixed, the undersigned Guarantors each hereby agree agrees to the Amendment, including Section 5 of the Amendment and further hereby ratifies and confirms its Guaranty Agreement3.5 thereof. Tulsat CorporationThis Ratification may be executed in multiple counterparts. ADDVANTAGE TECHNOLOGIES GROUP OF MISSOURI, an Oklahoma corporation By /s/ Xxxxx Xxxxxxx Xxxxx Xxxxxxx, President ADDvantage Technologies Group of Missouri, Inc.INC., a Missouri corporation By /s/ Xxxxx X. Xxxxxxx Xxxxx X. Xxxxxxx, Vice President ADDvantage Technologies Group of NebraskaSecretary/Treasurer ADDVANTAGE TECHNOLOGIES GROUP OF NEBRASKA, Inc.INC., a Nebraska corporation By /s/ Xxx Xxxxx X. Xxxxxxx Xxx Xxxxx X. Xxxxxxx, Vice President ADDvantage Technologies Group of TexasSecretary/Treasurer ADDVANTAGE TECHNOLOGIES GROUP OF TEXAS, Inc.INC., a Texas corporation By /s/ Xxx Xxxxx X. Xxxxxxx Xxx Xxxxx X. Xxxxxxx, Vice President Secretary/Treasurer NCS IndustriesINDUSTRIES, Inc.INC., a Pennsylvania corporation By /s/ Xxxxx X. Xxxxxxx Xxxxx X. Xxxxxxx, President Tulsat Atlanta, Secretary/Treasurer TULSAT LLC, an Oklahoma limited liability company (a subsidiary company, by conversion of Tulsat Corporation) By: Corporation By ADDvantage Technologies Group, Inc. Inc., an Oklahoma corporation, Its sole member and Manager manager By /s/ Xxxxx X. Xxxxxxx Xxxxx X. Xxxxxxx, Chairman of the Board Schedule “2.1.2” ($7,000,000 Line Note) PROMISSORY NOTE $7,000,000 September 30Secretary/Treasurer TULSAT-ATLANTA, 2005 TulsaL.L.C., an Oklahoma FOR VALUE RECEIVEDlimited liability company By ADDvantage Technologies Group, the undersignedInc., ADDVANTAGE TECHNOLOGIES GROUPan Oklahoma corporation, INC.Its sole member and manager By /s/ Xxxxx X. Xxxxxxx Xxxxx X. Xxxxxxx, AN Oklahoma corporation (“Maker”)Vice President, promises to pay to the order of BANK OF OKLAHOMA, N.A. (“Lender”), at its offices in Tulsa, Oklahoma, the principal sum of SEVEN MILLION AND NO/100 DOLLARS ($7,000,000,00) or, if less, the aggregate sum of advances made by Lender to Maker under the Revolving Credit Chief Financial Officer and Term Loan Agreement between Maker and Lender dated September 30, 2004 (as amended, the “Credit Agreement”), payable as follows:Chief Accounting Officer

Ratification of Guaranty. As inducement for the Lender to enter into the First Amendment Four to Amended and Restated Revolving Credit and Term Loan Agreement (“Amendment”) dated effective September 30March 4, 20052014, to which this Ratification is affixed, the undersigned Guarantors each hereby agree agrees to the Amendment, including Section 5 of the Amendment and further hereby ratifies and confirms its Guaranty Agreement3.5 thereof. Tulsat CorporationThis Ratification may be executed in multiple counterparts. ADDVANTAGE TECHNOLOGIES GROUP OF MISSOURI, INC., a Missouri corporation By /s/ Xxxxx X. Xxxxxxx Xxxxx X. Xxxxxxx, Secretary/Treasurer ADDVANTAGE TECHNOLOGIES GROUP OF NEBRASKA, INC., a Nebraska corporation By /s/ Xxxxx X. Xxxxxxx Xxxxx X. Xxxxxxx, Secretary/Treasurer ADDVANTAGE TECHNOLOGIES GROUP OF TEXAS, INC., a Texas corporation By /s/ Xxxxx X. Xxxxxxx Xxxxx X. Xxxxxxx, Secretary/Treasurer NCS INDUSTRIES, INC., a Pennsylvania corporation By /s/ Xxxxx X. Xxxxxxx Xxxxx X. Xxxxxxx, Secretary/Treasurer TULSAT CORPORATION, an Oklahoma corporation By /s/ Xxxxx X. Xxxxxxx Xxxxx X. Xxxxxxx, President Secretary/Treasurer TULSAT-ATLANTA, L.L.C., an Oklahoma limited liability company By ADDvantage Technologies Group of MissouriGroup, Inc., a Missouri corporation Its sole member and manager By /s/ Xxxxx X. Xxxxxxx Xxxxx X. Xxxxxxx, Vice President ADDvantage Technologies Group of NebraskaPresident, Inc., a Nebraska corporation By /s/ Xxx Xxxxxxx Xxx Xxxxxxx, Vice President ADDvantage Technologies Group of Texas, Inc., a Texas corporation By /s/ Xxx Xxxxxxx Xxx Xxxxxxx, Vice President NCS Industries, Inc., a Pennsylvania corporation By /s/ Xxxxx Xxxxxxx Xxxxx Xxxxxxx, President Tulsat AtlantaChief Financial Officer and Chief Accounting Officer XXXXX GLOBAL COMMUNICATIONS, LLC, an Oklahoma limited liability company (a subsidiary of Tulsat Corporationformerly known as BROADBAND REMARKETING INTERNATIONAL, LLC) By: ADDvantage Technologies Group, Inc. Its sole member and Manager By /s/ Xxxxx X. Xxxxxxx Xxxxx X. Xxxxxxx, Chairman of the Board Schedule “2.1.2” ($7,000,000 Line Note) PROMISSORY NOTE $7,000,000 September 30, 2005 Tulsa, Oklahoma FOR VALUE RECEIVED, the undersigned, ADDVANTAGE TECHNOLOGIES GROUP, INC., AN Oklahoma corporation (“Maker”), promises to pay to the order of BANK OF OKLAHOMA, N.A. (“Lender”), at its offices in Tulsa, Oklahoma, the principal sum of SEVEN MILLION AND NO/100 DOLLARS ($7,000,000,00) or, if less, the aggregate sum of advances made by Lender to Maker under the Revolving Credit and Term Loan Agreement between Maker and Lender dated September 30, 2004 (as amended, the “Credit Agreement”), payable as follows:Secretary/Treasurer

Ratification of Guaranty. As inducement for the Lender to enter into the First Amendment Six to Amended and Restated Revolving Credit and Term Loan Agreement (“Amendment”) dated effective September 30November 27, 20052015, to which this Ratification is affixed, the undersigned Guarantors each hereby agree agrees to the Amendment, including Section 5 3.5 thereof. This Ratification may be executed in multiple counterparts. ADDVANTAGE TECHNOLOGIES GROUP OF MISSOURI, INC., a Missouri corporation By /s/ Xxxxx X. Xxxxxxx Xxxxx X. Xxxxxxx, Secretary/Treasurer ADDVANTAGE TECHNOLOGIES GROUP OF NEBRASKA, INC., a Nebraska corporation By /s/ Xxxxx X. Xxxxxxx Xxxxx X. Xxxxxxx, Secretary/Treasurer ADDVANTAGE TECHNOLOGIES GROUP OF TEXAS, INC., a Texas corporation By /s/ Xxxxx X. Xxxxxxx Xxxxx X. Xxxxxxx, Secretary/Treasurer NCS INDUSTRIES, INC., a Pennsylvania corporation By /s/ Xxxxx X. Xxxxxxx Xxxxx X. Xxxxxxx, Secretary/Treasurer TULSAT, LLC, an Oklahoma limited liability company, by conversion of the Amendment Tulsat Corporation By /s/ Xxxxx X. Xxxxxxx Xxxxx X. Xxxxxxx, Secretary/Treasurer TULSAT-ATLANTA, L.L.C., an Oklahoma limited liability company By ADDvantage Technologies Group, Inc., an Oklahoma corporation, Its sole member and further hereby ratifies manager By /s/ Xxxxx X. Xxxxxxx Xxxxx X. Xxxxxxx, Vice President, Chief Financial Officer and confirms its Guaranty Agreement. Tulsat CorporationChief Accounting Officer XXXX COMMUNICATIONS COMPANY, a Maryland company By /s/ Xxxxx X. Xxxxxxx Xxxxx X. Xxxxxxx, CFO/Secretary/Treasurer ADDVANTAGE ACQUISITION CORPORATION, an Oklahoma corporation By /s/ Xxxxx X. Xxxxxxx Xxxxx X. Xxxxxxx, President ADDvantage Technologies Group CFO/Secretary/Treasurer RESTATED GUARANTY AGREEMENT JOINDER AGREEMENT This Restated Guaranty Agreement Joinder Agreement is executed this 27th day of MissouriNovember, Inc., a Missouri corporation By /s/ Xxxxx Xxxxxxx Xxxxx Xxxxxxx, Vice President ADDvantage Technologies Group 2015 by the undersigned Subsidiary of Nebraska, Inc., a Nebraska corporation By /s/ Xxx Xxxxxxx Xxx Xxxxxxx, Vice President ADDvantage Technologies Group of Texas, Inc., a Texas corporation By /s/ Xxx Xxxxxxx Xxx Xxxxxxx, Vice President NCS Industries, Inc., a Pennsylvania corporation By /s/ Xxxxx Xxxxxxx Xxxxx Xxxxxxx, President Tulsat Atlanta, LLC, an Oklahoma limited liability company (a subsidiary of Tulsat Corporation) By: ADDvantage Technologies Group, Inc. Its sole member and Manager By /s/ Xxxxx Xxxxxxx Xxxxx Xxxxxxx, Chairman of the Board Schedule “2.1.2” ($7,000,000 Line Note) PROMISSORY NOTE $7,000,000 September 30, 2005 Tulsa, Oklahoma FOR VALUE RECEIVED, the undersigned, ADDVANTAGE TECHNOLOGIES GROUP, INC., AN an Oklahoma corporation (“MakerBorrower”), promises to pay ) as required under and pursuant to the order Amended and Restated Revolving Credit and Term Loan Agreement, as amended from time to time (“Loan Agreement”) dated November 30, 2010 by and between Borrower and BOKF, NA dba Bank of BANK OF OKLAHOMA, N.A. Oklahoma (“Lender”), at its offices in Tulsa, Oklahoma, . The undersigned agrees to the principal sum of SEVEN MILLION AND NO/100 DOLLARS ($7,000,000,00) or, if less, the aggregate sum of advances made by Lender to Maker under the Revolving Credit and Term Loan Agreement between Maker and Lender dated September 30, 2004 (as amended, the “Credit Agreement”), payable as follows:following.

Ratification of Guaranty. As inducement for the Lender to enter into the First Amendment Two to Amended and Restated Revolving Credit and Term Loan Agreement (“Amendment”) dated effective September November 30, 2005, 2012 to which this Ratification is affixed, the undersigned Guarantors each hereby agree agrees to the Amendment, including without limitation Section 5 3.5 of the Amendment and further hereby ratifies and confirms its Guaranty AgreementAmendment. Tulsat CorporationThis Ratification may be executed in multiple counterparts. ADDVANTAGE TECHNOLOGIES GROUP OF MISSOURI, INC., a Missouri corporation By /s/ Xxxxx X. Xxxxxxx Xxxxx X. Xxxxxxx, Secretary/Treasurer ADDVANTAGE TECHNOLOGIES GROUP OF NEBRASKA, INC., a Nebraska corporation By /s/ Xxxxx X. Xxxxxxx Xxxxx X. Xxxxxxx, Secretary/Treasurer ADDVANTAGE TECHNOLOGIES GROUP OF TEXAS, INC., a Texas corporation By /s/ Xxxxx X. Xxxxxxx Xxxxx X. Xxxxxxx, Secretary/Treasurer NCS INDUSTRIES, INC., a Pennsylvania corporation By /s/ Xxxxx X. Xxxxxxx Xxxxx X. Xxxxxxx, Secretary/Treasurer TULSAT CORPORATION, an Oklahoma corporation By /s/ Xxxxx X. Xxxxxxx Xxxxx X. Xxxxxxx, President Secretary/Treasurer TULSAT-ATLANTA, L.L.C., an Oklahoma limited liability company By ADDvantage Technologies Group of MissouriGroup, Inc., a Missouri corporation Inc. Its sole member and manager By /s/ Xxxxx X. Xxxxxxx Xxxxx X. Xxxxxxx, Vice President ADDvantage Technologies Group of NebraskaPresident, Inc., a Nebraska corporation By /s/ Xxx Xxxxxxx Xxx Xxxxxxx, Vice President ADDvantage Technologies Group of Texas, Inc., a Texas corporation By /s/ Xxx Xxxxxxx Xxx Xxxxxxx, Vice President NCS Industries, Inc., a Pennsylvania corporation By /s/ Xxxxx Xxxxxxx Xxxxx Xxxxxxx, President Tulsat AtlantaChief Financial Officer and Chief Accounting Officer XXXXX GLOBAL COMMUNICATIONS, LLC, an Oklahoma limited liability company (a subsidiary of Tulsat Corporationformerly known as BROADBAND REMARKETING INTERNATIONAL, LLC) By: ADDvantage Technologies Group, Inc. Its sole member and Manager By /s/ Xxxxx X. Xxxxxxx Xxxxx X. Xxxxxxx, Chairman of the Board Schedule “2.1.2” ($7,000,000 Line Note) PROMISSORY NOTE $7,000,000 September 30, 2005 Tulsa, Oklahoma FOR VALUE RECEIVED, the undersigned, ADDVANTAGE TECHNOLOGIES GROUPSecretary/Treasurer [XXXXX BROADBAND INTERNATIONAL, INC. AND TULSAT-PENNSYLVANIA, L.L.C., ARE INTENTIONALLY OMITTED., AN Oklahoma corporation (“Maker”), promises to pay to the order of BANK OF OKLAHOMA, N.A. (“Lender”), at its offices in Tulsa, Oklahoma, the principal sum of SEVEN MILLION AND NO/100 DOLLARS ($7,000,000,00) or, if less, the aggregate sum of advances made by Lender to Maker under the Revolving Credit and Term Loan Agreement between Maker and Lender dated September 30, 2004 (as amended, the “Credit Agreement”), payable as follows:]

Ratification of Guaranty. As inducement for the Lender to enter into the First Amendment Nine to Amended and Restated Revolving Credit and Term Loan Agreement (“Amendment”) dated effective September March 30, 20052018, to which this Ratification is affixed, the undersigned Guarantors each hereby agree agrees to the Amendment, including Section 5 3.5 thereof. This Ratification may be executed in multiple counterparts. ADDVANTAGE TECHNOLOGIES GROUP OF MISSOURI, INC., a Missouri corporation By: /s/ Xxxxx X. Xxxxxxx Xxxxx X. Xxxxxxx, Secretary/Treasurer ADDVANTAGE TECHNOLOGIES GROUP OF NEBRASKA, INC., a Nebraska corporation By: /s/ Xxxxx X. Xxxxxxx Xxxxx X. Xxxxxxx, Secretary/Treasurer ADDVANTAGE TECHNOLOGIES GROUP OF TEXAS, INC., a Texas corporation By: /s/ Xxxxx X. Xxxxxxx Xxxxx X. Xxxxxxx, Secretary/Treasurer NCS INDUSTRIES, INC., a Pennsylvania corporation By: /s/ Xxxxx X. Xxxxxxx Xxxxx X. Xxxxxxx, Secretary/Treasurer Signature page to Ratification of the Guaranty to Amendment Nine to Amended and further hereby ratifies Restated Revolving Credit and confirms its Guaranty Agreement. Term Loan Agreement TULSAT, LLC, an Oklahoma limited liability company, by conversion of Tulsat CorporationCorporation By: /s/ Xxxxx X. Xxxxxxx Xxxxx X. Xxxxxxx, Secretary/Treasurer TULSAT-ATLANTA, L.L.C., an Oklahoma limited liability company By: ADDvantage Technologies Group, Inc., an Oklahoma corporation, Its sole member and manager By: /s/ Xxxxx X. Xxxxxxx Xxxxx X. Xxxxxxx, Vice President, Chief Financial Officer and Chief Accounting Officer XXXX COMMUNICATIONS COMPANY, a Maryland company By: /s/ Xxxxx X. Xxxxxxx Xxxxx X. Xxxxxxx, CFO/Secretary/Treasurer ADDVANTAGE ACQUISITION CORPORATION, an Oklahoma corporation By By: /s/ Xxxxx X. Xxxxxxx Xxxxx X. Xxxxxxx, President ADDvantage Technologies Group CFO/Secretary/Treasurer Signature page to Ratification of Missouri, Inc., a Missouri corporation By /s/ Xxxxx Xxxxxxx Xxxxx Xxxxxxx, Vice President ADDvantage Technologies Group of Nebraska, Inc., a Nebraska corporation By /s/ Xxx Xxxxxxx Xxx Xxxxxxx, Vice President ADDvantage Technologies Group of Texas, Inc., a Texas corporation By /s/ Xxx Xxxxxxx Xxx Xxxxxxx, Vice President NCS Industries, Inc., a Pennsylvania corporation By /s/ Xxxxx Xxxxxxx Xxxxx Xxxxxxx, President Tulsat AtlantaGuaranty to Amendment Nine to Amended and Restated Revolving Credit and Term Loan Agreement TULSAT-ARIZONA, LLC, an Oklahoma limited liability company (a subsidiary of Tulsat Corporation) By: ADDvantage Technologies Group, Inc. Its sole member and Manager By /s/ Xxxxx X. Xxxxxxx Xxxxx X. Xxxxxxx, Chairman Chief Financial Officer, Treasurer and Secretary ADDVANTAGE TRITON, LLC, an Oklahoma limited liability company By: /s/ Xxxxx X. Xxxxxxxx Xxxxx X. Xxxxxxxx, President Signature page to Ratification of the Board Schedule “2.1.2” ($7,000,000 Line Note) PROMISSORY NOTE $7,000,000 September 30, 2005 Tulsa, Oklahoma FOR VALUE RECEIVED, the undersigned, ADDVANTAGE TECHNOLOGIES GROUP, INC., AN Oklahoma corporation (“Maker”), promises Guaranty to pay Amendment Nine to the order of BANK OF OKLAHOMA, N.A. (“Lender”), at its offices in Tulsa, Oklahoma, the principal sum of SEVEN MILLION AND NO/100 DOLLARS ($7,000,000,00) or, if less, the aggregate sum of advances made by Lender to Maker under the Amended and Restated Revolving Credit and Term Loan Agreement between Maker and Lender dated September 30, 2004 (as amended, the “Credit Agreement”), payable as follows: