Common use of Option Period Clause in Contracts

Option Period. Pursuant to the Contract, the following are the Adjustment Factors for the next option period: Base Year Index Date Index 1 August 2019 11311.06 2 September 2019 11311.24 3 October 2019 11326.12 4 November 2019 11380.83 5 December 2019 11381.53 6 January 2020 11392.41 7 February 2020 11396.01 8 March 2020 11396.97 9 April 2020 11412.67 10 May 2020 11418.16 11 June 2020 11436.23 12 July 2020 11439.11 Third Year Index Date Index 1 August 2021 12463.13 2 September 2021 12464.55 3 October 2021 12464.94 4 November 2021 12467.32 5 December 2021 12481.82 6 January 2022 12555.55 7 February 2022 12683.97 8 March 2022 12791.43 9 April 2022 12898.96 10 May 2022 13004.47 11 June 2022 13110.50 12 July 2022 13167.84 Base Year Average 11383.5283 Third Year Average 12712.8733 Price Adjustment: Third Year Index Average = 12712.8733 = 1.1168 Base Year Index Average 11383.5283 WA-DC-E01-100120-VGL Original Adjustment Factor x Price Adjustment = Option Multiplier Normal Working Hours – Prevailing Wage 1.0919 1.1168 1.2194 Other Than Normal Working Hours – Prevailing Wage 1.0924 1.1168 1.2200 Normal Working Hours – Non-Prevailing Wage 1.0919 1.1168 1.2194 Other Than Normal Working Hours – Non- Prevailing Wage 1.0924 1.1168 1.2200 Non Pre-Priced 1.2108 1.0000 1.2108

Option Period. Pursuant to the Contract, the following are the Adjustment Factors for the next option periodterm ending October 20, 2023: Base Year Index Date Index 1 August 2019 11311.06 2 September 2019 11311.24 3 October 2019 11326.12 4 November 2019 11380.83 5 December 2019 11381.53 6 January 2020 11392.41 7 February 2020 11396.01 8 March 2020 11396.97 9 April 2020 11412.67 10 May 2020 11418.16 11 June 2020 11436.23 12 July 2020 11439.11 Third Year Index Date Index 1 August 2021 12463.13 2 September 2021 12464.55 3 October 2021 12464.94 4 November 2021 12467.32 5 December 2021 12481.82 6 January 2022 12555.55 7 February 2022 12683.97 8 March 2022 12791.43 9 April 2022 12898.96 10 May 2022 13004.47 11 June 2022 13110.50 12 July 2022 13167.84 Base Year Average 11383.5283 Third Year Average 12712.8733 Price Adjustment: Third Year Index Average = 12712.8733 = 1.1168 Base Year Index Average 11383.5283 WA-DC-E01-100120-VGL WA−DC−GC03−100120−SWC Original Adjustment Factor x Price Adjustment = Option Multiplier Adjustment Factor through 10/20/23 Normal Working Hours – Prevailing Wage 1.0919 1.0378 1.1168 1.2194 1.1590 Other Than Normal Working Hours – Prevailing Wage 1.0924 1.0638 1.1168 1.2200 1.1881 Normal Working Hours – Non-Prevailing Non−Prevailing Wage 1.0919 1.0357 1.1168 1.2194 1.1567 Other Than Normal Working Hours – Non- Non− Prevailing Wage 1.0924 1.0605 1.1168 1.2200 1.1844 Non Pre-Priced 1.2108 Pre−Priced 1.1627 1.0000 1.21081.1627

Option Period. Pursuant to the Contract, the following are the Adjustment Factors for the next option period: Base Year Index Date Index 1 August 2019 11311.06 2 September 2019 11311.24 3 October 2019 11326.12 4 November 2019 11380.83 5 December 2019 11381.53 6 January 2020 11392.41 7 February 2020 11396.01 8 March 2020 11396.97 9 April 2020 11412.67 10 May 2020 11418.16 11 2 June 2020 11436.23 12 3 July 2020 11439.11 Third 4 August 2020 11455.26 5 September 2020 11498.81 6 October 2020 11538.93 First Year Index Date Index 1 May 2021 11989.91 2 June 2021 12112.05 3 July 2021 12237.69 4 August 2021 12463.13 2 5 September 2021 12464.55 3 6 October 2021 12464.94 4 7 November 2020 11579.02 8 December 2020 11625.95 9 January 2021 11627.94 10 February 2021 11698.79 11 March 2021 11749.75 12 April 2021 11849.32 7 November 2021 12467.32 5 8 December 2021 12481.82 6 9 January 2022 12555.55 7 10 February 2022 12683.97 8 11 March 2022 12791.43 9 12 April 2022 12898.96 10 May 2022 13004.47 11 June 2022 13110.50 12 July 2022 13167.84 Base Year Average 11383.5283 Third 11576.4391 First Year Average 12712.8733 12467.6100 Price Adjustment: Third First Year Index Average = 12712.8733 12467.6100 = 1.1168 1.0770 Base Year Index Average 11383.5283 WA11576.4391 MD-DCR2-E01GC04-100120052621-VGL TMG Original Adjustment Factor x Price Adjustment = Option Multiplier Normal Working Working-Hours – Prevailing Wage 1.0919 1.1168 1.2194 1.0730 1.0770 1.1556 Other Than Normal Working Hours – Hours- Prevailing Wage 1.0924 1.1168 1.2200 1.0731 1.0770 1.1557 Normal Working Hours – Hours-Non-Prevailing Wage 1.0919 1.1168 1.2194 1.0730 1.0770 1.1556 Other Than Normal Working Hours – Hours-Non- Prevailing Wage 1.0924 1.1168 1.2200 Non Pre1.0731 1.0770 1.1557 Non-Pre Priced 1.2108 1.2500 1.0000 1.21081.2500

Option Period. Pursuant to the Contract, the following are the Adjustment Factors for the next option period: Base Year Index Date Index 1 August 2019 11311.06 2 September 2019 11311.24 3 October 2019 11326.12 4 November 2019 11380.83 5 December 2019 11381.53 6 January 2020 11392.41 7 February 2020 11396.01 8 March 2020 11396.97 9 April 2020 11412.67 10 May 2020 11418.16 11 2 June 2020 11436.23 12 3 July 2020 11439.11 Third 4 August 2020 11455.26 5 September 2020 11498.81 6 October 2020 11538.93 First Year Index Date Index 1 May 2021 11989.91 2 June 2021 12112.05 3 July 2021 12237.69 4 August 2021 12463.13 2 5 September 2021 12464.55 3 6 October 2021 12464.94 4 7 November 2020 11579.02 8 December 2020 11625.95 9 January 2021 11627.94 10 February 2021 11698.79 11 March 2021 11749.75 12 April 2021 11849.32 7 November 2021 12467.32 5 8 December 2021 12481.82 6 9 January 2022 12555.55 7 10 February 2022 12683.97 8 11 March 2022 12791.43 9 12 April 2022 12898.96 10 May 2022 13004.47 11 June 2022 13110.50 12 July 2022 13167.84 Base Year Average 11383.5283 Third 11576.4391 First Year Average 12712.8733 12467.6100 Price Adjustment: Third First Year Index Average = 12712.8733 12467.6100 = 1.1168 1.0770 Base Year Index Average 11383.5283 WA11576.4391 MD-DCR3-E01HVAC02-100120052621-VGL ALM Original Adjustment Factor x Price Adjustment = Option Multiplier Normal Working Working-Hours – Prevailing Wage 1.0919 1.1168 1.2194 1.1241 1.0770 1.2107 Other Than Normal Working Hours – Hours- Prevailing Wage 1.0924 1.1168 1.2200 1.1356 1.0770 1.2230 Normal Working Hours – Hours-Non-Prevailing Wage 1.0919 1.1168 1.2194 1.1200 1.0770 1.2062 Other Than Normal Working Hours – Hours-Non- Prevailing Wage 1.0924 1.1168 1.2200 Non Pre1.1202 1.0770 1.2065 Non-Pre Priced 1.2108 1.1850 1.0000 1.21081.1850

Option Period. Pursuant to the Contract, the following are the Adjustment Factors for the next option period: Base Year Index Date Index 1 August 2019 11311.06 2 September 2019 11311.24 3 October 2019 11326.12 4 November 2019 11380.83 5 December 2019 11381.53 6 January 2020 11392.41 7 February 2020 11396.01 8 March 2020 11396.97 9 April 2020 11412.67 10 May 2020 11418.16 11 2 June 2020 11436.23 12 3 July 2020 11439.11 Third 4 August 2020 11455.26 5 September 2020 11498.81 6 October 2020 11538.93 First Year Index Date Index 1 May 2021 11989.91 2 June 2021 12112.05 3 July 2021 12237.69 4 August 2021 12463.13 2 5 September 2021 12464.55 3 6 October 2021 12464.94 4 7 November 2020 11579.02 8 December 2020 11625.95 9 January 2021 11627.94 10 February 2021 11698.79 11 March 2021 11749.75 12 April 2021 11849.32 7 November 2021 12467.32 5 8 December 2021 12481.82 6 9 January 2022 12555.55 7 10 February 2022 12683.97 8 11 March 2022 12791.43 9 12 April 2022 12898.96 10 May 2022 13004.47 11 June 2022 13110.50 12 July 2022 13167.84 Base Year Average 11383.5283 Third 11576.4391 First Year Average 12712.8733 12467.6100 Price Adjustment: Third First Year Index Average = 12712.8733 12467.6100 = 1.1168 1.0770 Base Year Index Average 11383.5283 WA11576.4391 MD-DCR3-E01HVAC01-100120052621-VGL Original Adjustment Factor x Price Adjustment = Option Multiplier Normal Working Working-Hours – Prevailing Wage 1.0919 1.1168 1.2194 1.1050 1.0770 1.1901 Other Than Normal Working Hours – Hours- Prevailing Wage 1.0924 1.1168 1.2200 1.1055 1.0770 1.1906 Normal Working Hours – Hours-Non-Prevailing Wage 1.0919 1.1168 1.2194 1.1050 1.0770 1.1901 Other Than Normal Working Hours – Hours-Non- Prevailing Wage 1.0924 1.1168 1.2200 Non Pre1.1055 1.0770 1.1906 Non-Pre Priced 1.2108 1.1750 1.0000 1.21081.1750

Option Period. Pursuant to the Contract, the following are the Adjustment Factors for the next option period: Base Year Index Date Index 1 August 2019 11311.06 2 September 2019 11311.24 3 October 2019 11326.12 4 November 2019 11380.83 5 December 2019 11381.53 6 January 2020 11392.41 7 February 2020 11396.01 8 March 2020 11396.97 9 April 2020 11412.67 10 May 2020 11418.16 11 June 2020 11436.23 12 July 2020 11439.11 Third Year Index Date Index 1 August 2021 12463.13 2 September 2021 12464.55 3 October 2021 12464.94 4 November 2021 12467.32 5 December 2021 12481.82 6 January 2022 12555.55 7 February 2022 12683.97 8 March 2022 12791.43 9 April 2022 12898.96 10 May 2022 13004.47 11 June 2022 13110.50 12 July 2022 13167.84 Base Year Average 11383.5283 Third Year Average 12712.8733 Price Adjustment: Third Year Index Average = 12712.8733 = 1.1168 Base Year Index Average 11383.5283 WACO-DCSE-E01PAV01-100120090920-VGL PCL Original Adjustment Factor x Price Adjustment = Option Multiplier Normal Working Hours – Prevailing Wage 1.0919 1.3757 1.1168 1.2194 1.5364 Other Than Normal Working Hours – Prevailing Wage 1.0924 1.5315 1.1168 1.2200 1.7104 Normal Working Hours – Non-Prevailing Wage 1.0919 1.5849 1.1168 1.2194 1.7700 Other Than Normal Working Hours – Non- Prevailing Wage 1.0924 1.7611 1.1168 1.2200 1.9668 Non Pre-Priced 1.2108 1.2821 1.0000 1.21081.2821

Option Period. Pursuant to the Contract, the following are the Adjustment Factors for the next option period: Base Year Index Date Index 1 October 2020 11538.93 2 November 2020 11579.02 3 December 2020 11625.95 4 January 2021 11627.94 5 February 2021 11698.79 6 March 2021 11749.75 7 April 2021 11849.32 8 May 2021 11989.91 9 June 2021 12112.05 10 July 2021 12237.69 11 August 2019 11311.06 2 2021 12463.13 12 September 2019 11311.24 3 October 2019 11326.12 4 November 2019 11380.83 5 December 2019 11381.53 6 January 2020 11392.41 7 February 2020 11396.01 8 March 2020 11396.97 9 April 2020 11412.67 10 May 2020 11418.16 11 June 2020 11436.23 12 July 2020 11439.11 Third 2021 12464.55 First Year Index Date Index 1 August 2021 12463.13 2 September 2021 12464.55 3 October 2021 12464.94 4 2 November 2021 12467.32 5 3 December 2021 12481.82 6 4 January 2022 12555.55 7 5 February 2022 12683.97 8 6 March 2022 12791.43 9 7 April 2022 12898.96 10 8 May 2022 13004.47 11 9 June 2022 13110.50 12 10 July 2022 13167.84 11 August 2022 13171.07 12 September 2022 13173.43 Base Year Average 11383.5283 Third 11911.4191 First Year Average 12712.8733 12830.9416 Price Adjustment: Third First Year Index Average = 12712.8733 12830.9416 = 1.1168 1.0772 Base Year Index Average 11383.5283 WA11911.4191 OH-DCR1-E01HVAC02-100120102021-VGL AFO Original Adjustment Factor x Price Adjustment = Option Multiplier Normal Working Hours – Prevailing Wage 1.0919 1.1168 1.2194 1.1590 1.0772 1.2485 Other Than Normal Working Hours – Prevailing Wage 1.0924 1.1168 1.2200 1.2250 1.0772 1.3196 Normal Working Hours – Non-Prevailing Wage 1.0919 1.1168 1.2194 1.1550 1.0772 1.2442 Other Than Normal Working Hours – Non- Prevailing Wage 1.0924 1.1168 1.2200 1.2250 1.0772 1.3196 Non Pre-Priced 1.2108 1.2850 1.0000 1.21081.2850

Option Period. Pursuant to the Contract, the following are the Adjustment Factors for the next option period: Base Year Index Date Index 1 August 2019 11311.06 2 September 2019 11311.24 3 October 2019 11326.12 4 November 2019 11380.83 5 December 2019 11381.53 6 January 2020 11392.41 7 February 2020 11396.01 8 March 2020 11396.97 9 April 2020 11412.67 10 May 2020 11418.16 11 June 2020 11436.23 12 July 2020 11439.11 Third Year Index Date Index 1 August 2021 12463.13 2 September 2021 12464.55 3 October 2021 12464.94 4 November 2021 12467.32 5 December 2021 12481.82 6 January 2022 12555.55 7 February 2022 12683.97 8 March 2022 12791.43 9 April 2022 12898.96 10 May 2022 13004.47 11 June 2022 13110.50 12 July 2022 13167.84 Base Year Average 11383.5283 Third Year Average 12712.8733 Price Adjustment: Third Year Index Average = 12712.8733 = 1.1168 Base Year Index Average 11383.5283 WA-DC-E01GC02-100120-VGL CCE Original Adjustment Factor x Price Adjustment = Option Multiplier Normal Working Hours – Prevailing Wage 1.0919 1.0101 1.1168 1.2194 1.1281 Other Than Normal Working Hours – Prevailing Wage 1.0924 1.0301 1.1168 1.2200 1.1504 Normal Working Hours – Non-Prevailing Wage 1.0919 1.0101 1.1168 1.2194 1.1281 Other Than Normal Working Hours – Non- Prevailing Wage 1.0924 1.0301 1.1168 1.2200 1.1504 Non Pre-Priced 1.2108 1.2901 1.0000 1.21081.2901

Option Period. Pursuant to the Contract, the following are the Adjustment Factors for the next option period: Base Year Index Date Index 1 August 2019 11311.06 2 September 2019 11311.24 3 October 2019 11326.12 4 November 2019 11380.83 5 December 2019 11381.53 6 January 2020 11392.41 7 February 2020 11396.01 8 March 2020 11396.97 9 April 2020 11412.67 10 May 2020 11418.16 11 2 June 2020 11436.23 12 3 July 2020 11439.11 Third 4 August 2020 11455.26 5 September 2020 11498.81 6 October 2020 11538.93 First Year Index Date Index 1 May 2021 11989.91 2 June 2021 12112.05 3 July 2021 12237.69 4 August 2021 12463.13 2 5 September 2021 12464.55 3 6 October 2021 12464.94 4 7 November 2020 11579.02 8 December 2020 11625.95 9 January 2021 11627.94 10 February 2021 11698.79 11 March 2021 11749.75 12 April 2021 11849.32 7 November 2021 12467.32 5 8 December 2021 12481.82 6 9 January 2022 12555.55 7 10 February 2022 12683.97 8 11 March 2022 12791.43 9 12 April 2022 12898.96 10 May 2022 13004.47 11 June 2022 13110.50 12 July 2022 13167.84 Base Year Average 11383.5283 Third 11576.4391 First Year Average 12712.8733 12467.6100 Price Adjustment: Third First Year Index Average = 12712.8733 12467.6100 = 1.1168 1.0770 Base Year Index Average 11383.5283 WA11576.4391 MD-DCR4-E01HVAC02-100120052621-VGL ALM Original Adjustment Factor x Price Adjustment = Option Multiplier Normal Working Working-Hours – Prevailing Wage 1.0919 1.1168 1.2194 1.1241 1.0770 1.2107 Other Than Normal Working Hours – Hours- Prevailing Wage 1.0924 1.1168 1.2200 1.1256 1.0770 1.2123 Normal Working Hours – Hours-Non-Prevailing Wage 1.0919 1.1168 1.2194 1.1200 1.0770 1.2062 Other Than Normal Working Hours – Hours-Non- Prevailing Wage 1.0924 1.1168 1.2200 Non Pre1.1202 1.0770 1.2065 Non-Pre Priced 1.2108 1.1850 1.0000 1.21081.1850

Option Period. Pursuant to the Contract, the following are the Adjustment Factors for the next option period: Base Year Index Date Index 1 October 2020 11538.93 2 November 2020 11579.02 3 December 2020 11625.95 4 January 2021 11627.94 5 February 2021 11698.79 6 March 2021 11749.75 7 April 2021 11849.32 8 May 2021 11989.91 9 June 2021 12112.05 10 July 2021 12237.69 11 August 2019 11311.06 2 2021 12463.13 12 September 2019 11311.24 3 October 2019 11326.12 4 November 2019 11380.83 5 December 2019 11381.53 6 January 2020 11392.41 7 February 2020 11396.01 8 March 2020 11396.97 9 April 2020 11412.67 10 May 2020 11418.16 11 June 2020 11436.23 12 July 2020 11439.11 Third 2021 12464.55 First Year Index Date Index 1 August 2021 12463.13 2 September 2021 12464.55 3 October 2021 12464.94 4 2 November 2021 12467.32 5 3 December 2021 12481.82 6 4 January 2022 12555.55 7 5 February 2022 12683.97 8 6 March 2022 12791.43 9 7 April 2022 12898.96 10 8 May 2022 13004.47 11 9 June 2022 13110.50 12 10 July 2022 13167.84 11 August 2022 13171.07 12 September 2022 13173.43 Base Year Average 11383.5283 Third 11911.4191 First Year Average 12712.8733 12830.9416 Price Adjustment: Third First Year Index Average = 12712.8733 12830.9416 = 1.1168 1.0772 Base Year Index Average 11383.5283 WA11911.4191 OH-DCR2-E01GC08-100120102021-VGL REG Original Adjustment Factor x Price Adjustment = Option Multiplier Normal Working Hours – Prevailing Wage 1.0919 1.1168 1.2194 1.4075 1.0772 1.5162 Other Than Normal Working Hours – Prevailing Wage 1.0924 1.1168 1.2200 1.4703 1.0772 1.5838 Normal Working Hours – Non-Prevailing Wage 1.0919 1.1168 1.2194 1.4075 1.0772 1.5162 Other Than Normal Working Hours – Non- Prevailing Wage 1.0924 1.1168 1.2200 1.4703 1.0772 1.5838 Non Pre-Priced 1.2108 1.1892 1.0000 1.21081.1892

Option Period. Pursuant to the Contract, the following are the Adjustment Factors for the next option period: Base Year Index Date Index 1 October 2020 11538.93 2 November 2020 11579.02 3 December 2020 11625.95 4 January 2021 11627.94 5 February 2021 11698.79 6 March 2021 11749.75 7 April 2021 11849.32 8 May 2021 11989.91 9 June 2021 12112.05 10 July 2021 12237.69 11 August 2019 11311.06 2 2021 12463.13 12 September 2019 11311.24 3 October 2019 11326.12 4 November 2019 11380.83 5 December 2019 11381.53 6 January 2020 11392.41 7 February 2020 11396.01 8 March 2020 11396.97 9 April 2020 11412.67 10 May 2020 11418.16 11 June 2020 11436.23 12 July 2020 11439.11 Third 2021 12464.55 First Year Index Date Index 1 August 2021 12463.13 2 September 2021 12464.55 3 October 2021 12464.94 4 2 November 2021 12467.32 5 3 December 2021 12481.82 6 4 January 2022 12555.55 7 5 February 2022 12683.97 8 6 March 2022 12791.43 9 7 April 2022 12898.96 10 8 May 2022 13004.47 11 9 June 2022 13110.50 12 10 July 2022 13167.84 11 August 2022 13171.07 12 September 2022 13173.43 Base Year Average 11383.5283 Third 11911.4191 First Year Average 12712.8733 12830.9416 Price Adjustment: Third First Year Index Average = 12712.8733 12830.9416 = 1.1168 1.0772 Base Year Index Average 11383.5283 WA11911.4191 OH-DCR1-E01GC05-100120102021-VGL JLC Original Adjustment Factor x Price Adjustment = Option Multiplier Normal Working Hours – Prevailing Wage 1.0919 1.1168 1.2194 1.2000 1.0772 1.2926 Other Than Normal Working Hours – Prevailing Wage 1.0924 1.1168 1.2200 1.2250 1.0772 1.3196 Normal Working Hours – Non-Prevailing Wage 1.0919 1.1168 1.2194 1.1800 1.0772 1.2711 Other Than Normal Working Hours – Non- Prevailing Wage 1.0924 1.1168 1.2200 1.2125 1.0772 1.3061 Non Pre-Priced 1.2108 1.2400 1.0000 1.21081.2400

Option Period. Pursuant to the Contract, the following are the Adjustment Factors for the next option period: Base Year Index Date Index 1 August 2019 11311.06 2 September 2019 11311.24 3 October 2019 11326.12 4 November 2019 11380.83 5 December 2019 11381.53 6 January 2020 11392.41 7 February 2020 11396.01 8 March 2020 11396.97 9 April 2020 11412.67 10 May 2020 11418.16 11 2 June 2020 11436.23 12 3 July 2020 11439.11 Third 4 August 2020 11455.26 5 September 2020 11498.81 First Year Index Date Index 1 May 2021 11989.91 2 June 2021 12112.05 3 July 2021 12237.69 4 August 2021 12463.13 2 5 September 2021 12464.55 3 6 October 2020 11538.93 7 November 2020 11579.02 8 December 2020 11625.95 9 January 2021 11627.94 10 February 2021 11698.79 11 March 2021 11749.75 12 April 2021 11849.32 6 October 2021 12464.94 4 7 November 2021 12467.32 5 8 December 2021 12481.82 6 9 January 2022 12555.55 7 10 February 2022 12683.97 8 11 March 2022 12791.43 9 12 April 2022 12898.96 10 May 2022 13004.47 11 June 2022 13110.50 12 July 2022 13167.84 Base Year Average 11383.5283 Third 11576.4391 First Year Average 12712.8733 12467.6100 Price Adjustment: Third First Year Index Average = 12712.8733 12467.6100 = 1.1168 1.0770 Base Year Index Average 11383.5283 WA11576.4391 MD-DCR3-E01-100120052621-VGL BEC Original Adjustment Factor x Price Adjustment = Option Multiplier Normal Working Working-Hours – Prevailing Wage 1.0919 1.1168 1.2194 1.0800 1.0770 1.1632 Other Than Normal Working Hours – Hours- Prevailing Wage 1.0924 1.1168 1.2200 1.2500 1.0770 1.3463 Normal Working Hours – Hours-Non-Prevailing Wage 1.0919 1.1168 1.2194 1.0100 1.0770 1.0878 Other Than Normal Working Hours – Hours-Non- Prevailing Wage 1.0924 1.1168 1.2200 Non Pre1.1500 1.0770 1.2386 Non-Pre Priced 1.2108 1.0000 1.21081.0000 1.0000

Option Period. Pursuant to the Contract, the following are the Adjustment Factors for the next option period: Base Year Index Date Index 1 August 2019 11311.06 2 September 2019 11311.24 3 October 2019 11326.12 4 November 2019 11380.83 5 December 2019 11381.53 6 January 2020 11392.41 7 February 2020 11396.01 8 March 2020 11396.97 9 April 2020 11412.67 10 May 2020 11418.16 11 2 June 2020 11436.23 12 3 July 2020 11439.11 Third 4 August 2020 11455.26 5 September 2020 11498.81 6 October 2020 11538.93 First Year Index Date Index 1 May 2021 11989.91 2 June 2021 12112.05 3 July 2021 12237.69 4 August 2021 12463.13 2 5 September 2021 12464.55 3 6 October 2021 12464.94 4 7 November 2020 11579.02 8 December 2020 11625.95 9 January 2021 11627.94 10 February 2021 11698.79 11 March 2021 11749.75 12 April 2021 11849.32 7 November 2021 12467.32 5 8 December 2021 12481.82 6 9 January 2022 12555.55 7 10 February 2022 12683.97 8 11 March 2022 12791.43 9 12 April 2022 12898.96 10 May 2022 13004.47 11 June 2022 13110.50 12 July 2022 13167.84 Base Year Average 11383.5283 Third 11576.4391 First Year Average 12712.8733 12467.6100 Price Adjustment: Third First Year Index Average = 12712.8733 12467.6100 = 1.1168 1.0770 Base Year Index Average 11383.5283 WA11576.4391 MD-DCR5-E01RW02-100120052621-VGL PAI Original Adjustment Factor x Price Adjustment = Option Multiplier Normal Working Working-Hours – Prevailing Wage 1.0919 1.1168 1.2194 1.2150 1.0770 1.3086 Other Than Normal Working Hours – Hours- Prevailing Wage 1.0924 1.1168 1.2200 1.3650 1.0770 1.4701 Normal Working Hours – Hours-Non-Prevailing Wage 1.0919 1.1168 1.2194 1.2400 1.0770 1.3355 Other Than Normal Working Hours – Hours-Non- Prevailing Wage 1.0924 1.1168 1.2200 Non Pre1.2900 1.0770 1.3893 Non-Pre Priced 1.2108 1.2600 1.0000 1.21081.2600

Option Period. Pursuant to the Contract, the following are the Adjustment Factors for the next option period: Base Year Index Date Index 1 August 2019 11311.06 2 September 2019 11311.24 3 October 2019 11326.12 4 November 2019 11380.83 5 December 2019 11381.53 6 January 2020 11392.41 7 February 2020 11396.01 8 March 2020 11396.97 9 April 2020 11412.67 10 May 2020 11418.16 11 June 2020 11436.23 12 July 2020 11439.11 Third Year Index Date Index 1 August 2021 12463.13 2 September 2021 12464.55 3 October 2021 12464.94 4 November 2021 12467.32 5 December 2021 12481.82 6 January 2022 12555.55 7 February 2022 12683.97 8 March 2022 12791.43 9 April 2022 12898.96 10 May 2022 13004.47 11 June 2022 13110.50 12 July 2022 13167.84 Base Year Average 11383.5283 Third Year Average 12712.8733 Price Adjustment: Third Year Index Average = 12712.8733 = 1.1168 Base Year Index Average 11383.5283 WACO-DCSE-E01RW02-100120090920-VGL ZCR Original Adjustment Factor x Price Adjustment = Option Multiplier Normal Working Hours – Prevailing Wage 1.0919 1.5677 1.1168 1.2194 1.7508 Other Than Normal Working Hours – Prevailing Wage 1.0924 1.5677 1.1168 1.2200 1.7508 Normal Working Hours – Non-Prevailing Wage 1.0919 1.6758 1.1168 1.2194 1.8715 Other Than Normal Working Hours – Non- Prevailing Wage 1.0924 1.6758 1.1168 1.2200 1.8715 Non Pre-Priced 1.2108 1.892 1.0000 1.21081.892

Option Period. Pursuant to the Contract, the following are the Adjustment Factors for the next option period: Base Year Index Date Index 1 August 2019 11311.06 2 September 2019 11311.24 3 October 2019 11326.12 4 November 2019 11380.83 5 December 2019 11381.53 6 January 2020 11392.41 7 February 2020 11396.01 8 March 2020 11396.97 9 April 2020 11412.67 10 May 2020 11418.16 11 2 June 2020 11436.23 12 3 July 2020 11439.11 Third 4 August 2020 11455.26 5 September 2020 11498.81 6 October 2020 11538.93 First Year Index Date Index 1 May 2021 11989.91 2 June 2021 12112.05 3 July 2021 12237.69 4 August 2021 12463.13 2 5 September 2021 12464.55 3 6 October 2021 12464.94 4 7 November 2020 11579.02 8 December 2020 11625.95 9 January 2021 11627.94 10 February 2021 11698.79 11 March 2021 11749.75 12 April 2021 11849.32 7 November 2021 12467.32 5 8 December 2021 12481.82 6 9 January 2022 12555.55 7 10 February 2022 12683.97 8 11 March 2022 12791.43 9 12 April 2022 12898.96 10 May 2022 13004.47 11 June 2022 13110.50 12 July 2022 13167.84 Base Year Average 11383.5283 Third 11576.4391 First Year Average 12712.8733 12467.6100 Price Adjustment: Third First Year Index Average = 12712.8733 12467.6100 = 1.1168 1.0770 Base Year Index Average 11383.5283 WA11576.4391 MD-DCR1-E01GC04-100120052621-VGL JLC Original Adjustment Factor x Price Adjustment = Option Multiplier Normal Working Working-Hours – Prevailing Wage 1.0919 1.1168 1.2194 1.1800 1.0770 1.2709 Other Than Normal Working Hours – Hours- Prevailing Wage 1.0924 1.1168 1.2200 1.1805 1.0770 1.2714 Normal Working Hours – Hours-Non-Prevailing Wage 1.0919 1.1168 1.2194 1.2100 1.0770 1.3032 Other Than Normal Working Hours – Hours-Non- Prevailing Wage 1.0924 1.1168 1.2200 Non Pre1.2105 1.0770 1.3037 Non-Pre Priced 1.2108 1.2973 1.0000 1.21081.2973

Option Period. Pursuant to the Contract, the following are the Adjustment Factors for the next option period: Base Year Index Date Index 1 August 2019 11311.06 2 September 2019 11311.24 3 October 2019 11326.12 4 November 2019 11380.83 5 December 2019 11381.53 6 January 2020 11392.41 7 February 2020 11396.01 8 March 2020 11396.97 9 April 2020 11412.67 10 May 2020 11418.16 11 June 2020 11436.23 12 July 2020 11439.11 Third Year Index Date Index 1 August 2021 12463.13 2 September 2021 12464.55 3 October 2021 12464.94 4 November 2021 12467.32 5 December 2021 12481.82 6 January 2022 12555.55 7 February 2022 12683.97 8 March 2022 12791.43 9 April 2022 12898.96 10 May 2022 13004.47 11 June 2022 13110.50 12 July 2022 13167.84 Base Year Average 11383.5283 Third Year Average 12712.8733 Price Adjustment: Third Year Index Average = 12712.8733 = 1.1168 Base Year Index Average 11383.5283 WA-DC-E01GC04-100120-VGL Original Adjustment Factor x Price Adjustment = Option Multiplier Normal Working Hours – Prevailing Wage 1.0919 1.0486 1.1168 1.2194 1.1711 Other Than Normal Working Hours – Prevailing Wage 1.0924 1.0492 1.1168 1.2200 1.1717 Normal Working Hours – Non-Prevailing Wage 1.0919 1.0486 1.1168 1.2194 1.1711 Other Than Normal Working Hours – Non- Prevailing Wage 1.0924 1.0492 1.1168 1.2200 1.1717 Non Pre-Priced 1.2108 1.0000 1.2108

Option Period. Pursuant to the Contract, the following are the Adjustment Factors for the next option period: Base Year Index Date Index 1 August 2019 11311.06 2 September 2019 11311.24 3 October 2019 11326.12 4 November 2019 11380.83 5 December 2019 11381.53 6 January 2020 11392.41 7 February 2020 11396.01 8 March 2020 11396.97 9 April 2020 11412.67 10 May 2020 11418.16 11 2 June 2020 11436.23 12 3 July 2020 11439.11 Third 4 August 2020 11455.26 5 September 2020 11498.81 6 October 2020 11538.93 First Year Index Date Index 1 May 2021 11989.91 2 June 2021 12112.05 3 July 2021 12237.69 4 August 2021 12463.13 2 5 September 2021 12464.55 3 6 October 2021 12464.94 4 7 November 2020 11579.02 8 December 2020 11625.95 9 January 2021 11627.94 10 February 2021 11698.79 11 March 2021 11749.75 12 April 2021 11849.32 7 November 2021 12467.32 5 8 December 2021 12481.82 6 9 January 2022 12555.55 7 10 February 2022 12683.97 8 11 March 2022 12791.43 9 12 April 2022 12898.96 10 May 2022 13004.47 11 June 2022 13110.50 12 July 2022 13167.84 Base Year Average 11383.5283 Third 11576.4391 First Year Average 12712.8733 12467.6100 Price Adjustment: Third First Year Index Average = 12712.8733 12467.6100 = 1.1168 1.0770 Base Year Index Average 11383.5283 WA11576.4391 MD-DCR4-E01GC02-100120052621-VGL CCE Original Adjustment Factor x Price Adjustment = Option Multiplier Normal Working Working-Hours – Prevailing Wage 1.0919 1.1168 1.2194 1.0400 1.0770 1.1201 Other Than Normal Working Hours – Hours- Prevailing Wage 1.0924 1.1168 1.2200 1.0920 1.0770 1.1761 Normal Working Hours – Hours-Non-Prevailing Wage 1.0919 1.1168 1.2194 1.0400 1.0770 1.1201 Other Than Normal Working Hours – Hours-Non- Prevailing Wage 1.0924 1.1168 1.2200 Non Pre1.0920 1.0770 1.1761 Non-Pre Priced 1.2108 1.2800 1.0000 1.21081.2800

Option Period. Pursuant to the Contract, the following are the Adjustment Factors for the next option period: Base Year Index Date Index 1 August 2019 11311.06 2 September 2019 11311.24 3 October 2019 11326.12 4 November 2019 11380.83 5 December 2019 11381.53 6 January 2020 11392.41 7 February 2020 11396.01 8 March 2020 11396.97 9 April 2020 11412.67 10 May 2020 11418.16 11 2 June 2020 11436.23 12 3 July 2020 11439.11 Third 4 August 2020 11455.26 5 September 2020 11498.81 6 October 2020 11538.93 First Year Index Date Index 1 May 2021 11989.91 2 June 2021 12112.05 3 July 2021 12237.69 4 August 2021 12463.13 2 5 September 2021 12464.55 3 6 October 2021 12464.94 4 7 November 2020 11579.02 8 December 2020 11625.95 9 January 2021 11627.94 10 February 2021 11698.79 11 March 2021 11749.75 12 April 2021 11849.32 7 November 2021 12467.32 5 8 December 2021 12481.82 6 9 January 2022 12555.55 7 10 February 2022 12683.97 8 11 March 2022 12791.43 9 12 April 2022 12898.96 10 May 2022 13004.47 11 June 2022 13110.50 12 July 2022 13167.84 Base Year Average 11383.5283 Third 11576.4391 First Year Average 12712.8733 12467.6100 Price Adjustment: Third First Year Index Average = 12712.8733 12467.6100 = 1.1168 1.0770 Base Year Index Average 11383.5283 WA11576.4391 MD-DCR6-E01HVAC02-100120052621-VGL PAI Original Adjustment Factor x Price Adjustment = Option Multiplier Normal Working Working-Hours – Prevailing Wage 1.0919 1.1168 1.2194 1.2921 1.0770 1.3916 Other Than Normal Working Hours – Hours- Prevailing Wage 1.0924 1.1168 1.2200 1.3790 1.0770 1.4852 Normal Working Hours – Hours-Non-Prevailing Wage 1.0919 1.1168 1.2194 1.2430 1.0770 1.3387 Other Than Normal Working Hours – Hours-Non- Prevailing Wage 1.0924 1.1168 1.2200 Non Pre1.2975 1.0770 1.3974 Non-Pre Priced 1.2108 1.2000 1.0000 1.21081.2000

Option Period. Pursuant to the Contract, the following are the Adjustment Factors for the next option period: Base Year Index Date Index 1 August 2019 11311.06 2 September 2019 11311.24 3 October 2019 11326.12 4 November 2019 11380.83 5 December 2019 11381.53 6 January 2020 11392.41 7 February 2020 11396.01 8 March 2020 11396.97 9 April 2020 11412.67 10 May 2020 11418.16 11 June 2020 11436.23 12 July 2020 11439.11 Third Year Index Date Index 1 August 2021 12463.13 2 September 2021 12464.55 3 October 2021 12464.94 4 November 2021 12467.32 5 December 2021 12481.82 6 January 2022 12555.55 7 February 2022 12683.97 8 March 2022 12791.43 9 April 2022 12898.96 10 May 2022 13004.47 11 June 2022 13110.50 12 July 2022 13167.84 Base Year Average 11383.5283 Third Year Average 12712.8733 Price Adjustment: Third Year Index Average = 12712.8733 = 1.1168 Base Year Index Average 11383.5283 WA-DC-E01GC01-100120-VGL TMG Original Adjustment Factor x Price Adjustment = Option Multiplier Normal Working Hours – Prevailing Wage 1.0919 0.9875 1.1168 1.2194 1.1028 Other Than Normal Working Hours – Prevailing Wage 1.0924 0.9876 1.1168 1.2200 1.1030 Normal Working Hours – Non-Prevailing Wage 1.0919 0.9875 1.1168 1.2194 1.1028 Other Than Normal Working Hours – Non- Prevailing Wage 1.0924 0.9876 1.1168 1.2200 1.1030 Non Pre-Priced 1.2108 1.2432 1.0000 1.21081.2432

Option Period. Pursuant to the Contract, the following are the Adjustment Factors for the next option period: Base Year Index Date Index 1 October 2020 11538.93 2 November 2020 11579.02 3 December 2020 11625.95 4 January 2021 11627.94 5 February 2021 11698.79 6 March 2021 11749.75 7 April 2021 11849.32 8 May 2021 11989.91 9 June 2021 12112.05 10 July 2021 12237.69 11 August 2019 11311.06 2 2021 12463.13 12 September 2019 11311.24 3 October 2019 11326.12 4 November 2019 11380.83 5 December 2019 11381.53 6 January 2020 11392.41 7 February 2020 11396.01 8 March 2020 11396.97 9 April 2020 11412.67 10 May 2020 11418.16 11 June 2020 11436.23 12 July 2020 11439.11 Third 2021 12464.55 First Year Index Date Index 1 August 2021 12463.13 2 September 2021 12464.55 3 October 2021 12464.94 4 2 November 2021 12467.32 5 3 December 2021 12481.82 6 4 January 2022 12555.55 7 5 February 2022 12683.97 8 6 March 2022 12791.43 9 7 April 2022 12898.96 10 8 May 2022 13004.47 11 9 June 2022 13110.50 12 10 July 2022 13167.84 11 August 2022 13171.07 12 September 2022 13173.43 Base Year Average 11383.5283 Third 11911.4191 First Year Average 12712.8733 12830.9416 Price Adjustment: Third First Year Index Average = 12712.8733 12830.9416 = 1.1168 1.0772 Base Year Index Average 11383.5283 WA11911.4191 OH-DCR5-E01HVAC01-100120102021-VGL TKC Original Adjustment Factor x Price Adjustment = Option Multiplier Normal Working Hours – Prevailing Wage 1.0919 1.1168 1.2194 1.1482 1.0772 1.2368 Other Than Normal Working Hours – Prevailing Wage 1.0924 1.1168 1.2200 1.1782 1.0772 1.2692 Normal Working Hours – Non-Prevailing Wage 1.0919 1.1168 1.2194 1.1482 1.0772 1.2368 Other Than Normal Working Hours – Non- Prevailing Wage 1.0924 1.1168 1.2200 1.1782 1.0772 1.2692 Non Pre-Priced 1.2108 1.2000 1.0000 1.21081.2000

Option Period. Pursuant to the Contract, the following are the Adjustment Factors for the next option period: Base Year Index Date Index 1 October 2020 11538.93 2 November 2020 11579.02 3 December 2020 11625.95 4 January 2021 11627.94 5 February 2021 11698.79 6 March 2021 11749.75 7 April 2021 11849.32 8 May 2021 11989.91 9 June 2021 12112.05 10 July 2021 12237.69 11 August 2019 11311.06 2 2021 12463.13 12 September 2019 11311.24 3 October 2019 11326.12 4 November 2019 11380.83 5 December 2019 11381.53 6 January 2020 11392.41 7 February 2020 11396.01 8 March 2020 11396.97 9 April 2020 11412.67 10 May 2020 11418.16 11 June 2020 11436.23 12 July 2020 11439.11 Third 2021 12464.55 First Year Index Date Index 1 August 2021 12463.13 2 September 2021 12464.55 3 October 2021 12464.94 4 2 November 2021 12467.32 5 3 December 2021 12481.82 6 4 January 2022 12555.55 7 5 February 2022 12683.97 8 6 March 2022 12791.43 9 7 April 2022 12898.96 10 8 May 2022 13004.47 11 9 June 2022 13110.50 12 10 July 2022 13167.84 11 August 2022 13171.07 12 September 2022 13173.43 Base Year Average 11383.5283 Third 11911.4191 First Year Average 12712.8733 12830.9416 Price Adjustment: Third First Year Index Average = 12712.8733 12830.9416 = 1.1168 1.0772 Base Year Index Average 11383.5283 WA11911.4191 OH-DCR2-E01GC05-100120102021-VGL JLC Original Adjustment Factor x Price Adjustment = Option Multiplier Normal Working Hours – Prevailing Wage 1.0919 1.1168 1.2194 1.2000 1.0772 1.2926 Other Than Normal Working Hours – Prevailing Wage 1.0924 1.1168 1.2200 1.2250 1.0772 1.3196 Normal Working Hours – Non-Prevailing Wage 1.0919 1.1168 1.2194 1.1800 1.0772 1.2711 Other Than Normal Working Hours – Non- Prevailing Wage 1.0924 1.1168 1.2200 1.2125 1.0772 1.3061 Non Pre-Priced 1.2108 1.2400 1.0000 1.21081.2400

Option Period. Pursuant to the Contract, the following are the Adjustment Factors for the next option period: Base Year Index Date Index 1 August 2019 11311.06 2 September 2019 11311.24 3 October 2019 11326.12 4 November 2019 11380.83 5 December 2019 11381.53 6 January 2020 11392.41 7 February 2020 11396.01 8 March 2020 11396.97 9 April 2020 11412.67 10 May 2020 11418.16 11 2 June 2020 11436.23 12 3 July 2020 11439.11 Third 4 August 2020 11455.26 5 September 2020 11498.81 6 October 2020 11538.93 First Year Index Date Index 1 May 2021 11989.91 2 June 2021 12112.05 3 July 2021 12237.69 4 August 2021 12463.13 2 5 September 2021 12464.55 3 6 October 2021 12464.94 4 7 November 2020 11579.02 8 December 2020 11625.95 9 January 2021 11627.94 10 February 2021 11698.79 11 March 2021 11749.75 12 April 2021 11849.32 7 November 2021 12467.32 5 8 December 2021 12481.82 6 9 January 2022 12555.55 7 10 February 2022 12683.97 8 11 March 2022 12791.43 9 12 April 2022 12898.96 10 May 2022 13004.47 11 June 2022 13110.50 12 July 2022 13167.84 Base Year Average 11383.5283 Third 11576.4391 First Year Average 12712.8733 12467.6100 Price Adjustment: Third First Year Index Average = 12712.8733 12467.6100 = 1.1168 1.0770 Base Year Index Average 11383.5283 WA11576.4391 MD-DCR5-E01HVAC02-100120052621-VGL ALM Original Adjustment Factor x Price Adjustment = Option Multiplier Normal Working Working-Hours – Prevailing Wage 1.0919 1.1168 1.2194 1.1241 1.0770 1.2107 Other Than Normal Working Hours – Hours- Prevailing Wage 1.0924 1.1168 1.2200 1.1256 1.0770 1.2123 Normal Working Hours – Hours-Non-Prevailing Wage 1.0919 1.1168 1.2194 1.1200 1.0770 1.2062 Other Than Normal Working Hours – Hours-Non- Prevailing Wage 1.0924 1.1168 1.2200 Non Pre1.1202 1.0770 1.2065 Non-Pre Priced 1.2108 1.1850 1.0000 1.21081.1850

Option Period. Pursuant to the Contract, the following are the Adjustment Factors for the next option period: Base Year Index Date Index 1 August 2019 11311.06 2 September 2019 11311.24 3 October 2019 11326.12 4 November 2019 11380.83 5 December 2019 11381.53 6 January 2020 11392.41 7 February 2020 11396.01 8 March 2020 11396.97 9 April 2020 11412.67 10 May 2020 11418.16 11 2 June 2020 11436.23 12 3 July 2020 11439.11 Third 4 August 2020 11455.26 5 September 2020 11498.81 6 October 2020 11538.93 First Year Index Date Index 1 May 2021 11989.91 2 June 2021 12112.05 3 July 2021 12237.69 4 August 2021 12463.13 2 5 September 2021 12464.55 3 6 October 2021 12464.94 4 7 November 2020 11579.02 8 December 2020 11625.95 9 January 2021 11627.94 10 February 2021 11698.79 11 March 2021 11749.75 12 April 2021 11849.32 7 November 2021 12467.32 5 8 December 2021 12481.82 6 9 January 2022 12555.55 7 10 February 2022 12683.97 8 11 March 2022 12791.43 9 12 April 2022 12898.96 10 May 2022 13004.47 11 June 2022 13110.50 12 July 2022 13167.84 Base Year Average 11383.5283 Third 11576.4391 First Year Average 12712.8733 12467.6100 Price Adjustment: Third First Year Index Average = 12712.8733 12467.6100 = 1.1168 1.0770 Base Year Index Average 11383.5283 WA11576.4391 MD-DCR2-E01HVAC02-100120052621-VGL ALM Original Adjustment Factor x Price Adjustment = Option Multiplier Normal Working Working-Hours – Prevailing Wage 1.0919 1.1168 1.2194 1.1241 1.0770 1.2107 Other Than Normal Working Hours – Hours- Prevailing Wage 1.0924 1.1168 1.2200 1.1256 1.0770 1.2123 Normal Working Hours – Hours-Non-Prevailing Wage 1.0919 1.1168 1.2194 1.1200 1.0770 1.2062 Other Than Normal Working Hours – Hours-Non- Prevailing Wage 1.0924 1.1168 1.2200 Non Pre1.1202 1.0770 1.2065 Non-Pre Priced 1.2108 1.1850 1.0000 1.21081.1850

Option Period. Pursuant to the Contract, the following are the Adjustment Factors for the next option period: Base Year Index Date Index 1 August 2019 11311.06 2 September 2019 11311.24 3 October 2019 11326.12 4 November 2019 11380.83 5 December 2019 11381.53 6 January 2020 11392.41 7 February 2020 11396.01 8 March 2020 11396.97 9 April 2020 11412.67 10 May 2020 11418.16 11 June 2020 11436.23 12 July 2020 11439.11 Third Year Index Date Index 1 August 2021 12463.13 2 September 2021 12464.55 3 October 2021 12464.94 4 November 2021 12467.32 5 December 2021 12481.82 6 January 2022 12555.55 7 February 2022 12683.97 8 March 2022 12791.43 9 April 2022 12898.96 10 May 2022 13004.47 11 June 2022 13110.50 12 July 2022 13167.84 Base Year Average 11383.5283 Third Year Average 12712.8733 Price Adjustment: Third Year Index Average = 12712.8733 = 1.1168 Base Year Index Average 11383.5283 WACO-DCSW-E01PAV01-100120090920-VGL PCL Original Adjustment Factor x Price Adjustment = Option Multiplier Normal Working Hours – Prevailing Wage 1.0919 1.3757 1.1168 1.2194 1.5364 Other Than Normal Working Hours – Prevailing Wage 1.0924 1.5315 1.1168 1.2200 1.7104 Normal Working Hours – Non-Prevailing Wage 1.0919 1.5849 1.1168 1.2194 1.7700 Other Than Normal Working Hours – Non- Prevailing Wage 1.0924 1.7611 1.1168 1.2200 1.9668 Non Pre-Priced 1.2108 1.2821 1.0000 1.21081.2821

Option Period. Pursuant to the Contract, the following are the Adjustment Factors for the next option period: Base Year Index Date Index 1 October 2020 11538.93 2 November 2020 11579.02 3 December 2020 11625.95 4 January 2021 11627.94 5 February 2021 11698.79 6 March 2021 11749.75 7 April 2021 11849.32 8 May 2021 11989.91 9 June 2021 12112.05 10 July 2021 12237.69 11 August 2019 11311.06 2 2021 12463.13 12 September 2019 11311.24 3 October 2019 11326.12 4 November 2019 11380.83 5 December 2019 11381.53 6 January 2020 11392.41 7 February 2020 11396.01 8 March 2020 11396.97 9 April 2020 11412.67 10 May 2020 11418.16 11 June 2020 11436.23 12 July 2020 11439.11 Third 2021 12464.55 First Year Index Date Index 1 August 2021 12463.13 2 September 2021 12464.55 3 October 2021 12464.94 4 2 November 2021 12467.32 5 3 December 2021 12481.82 6 4 January 2022 12555.55 7 5 February 2022 12683.97 8 6 March 2022 12791.43 9 7 April 2022 12898.96 10 8 May 2022 13004.47 11 9 June 2022 13110.50 12 10 July 2022 13167.84 11 August 2022 13171.07 12 September 2022 13173.43 Base Year Average 11383.5283 Third 11911.4191 First Year Average 12712.8733 12830.9416 Price Adjustment: Third First Year Index Average = 12712.8733 12830.9416 = 1.1168 1.0772 Base Year Index Average 11383.5283 WA11911.4191 OH-DCR1-E01GC02-100120102021-VGL FHP Original Adjustment Factor x Price Adjustment = Option Multiplier Normal Working Hours – Prevailing Wage 1.0919 1.1168 1.2194 1.1459 1.0772 1.2344 Other Than Normal Working Hours – Prevailing Wage 1.0924 1.1168 1.2200 1.1689 1.0772 1.2591 Normal Working Hours – Non-Prevailing Wage 1.0919 1.1168 1.2194 1.1459 1.0772 1.2344 Other Than Normal Working Hours – Non- Prevailing Wage 1.0924 1.1168 1.2200 1.1689 1.0772 1.2591 Non Pre-Priced 1.2108 1.2973 1.0000 1.21081.2973

Option Period. Pursuant to the Contract, the following are the Adjustment Factors for the next option period: Base Year Index Date Index 1 August 2019 11311.06 2 September 2019 11311.24 3 October 2019 11326.12 4 November 2019 11380.83 5 December 2019 11381.53 6 January 2020 11392.41 7 February 2020 11396.01 8 March 2020 11396.97 9 April 2020 11412.67 10 May 2020 11418.16 11 2 June 2020 11436.23 12 3 July 2020 11439.11 Third 4 August 2020 11455.26 5 September 2020 11498.81 6 October 2020 11538.93 First Year Index Date Index 1 May 2021 11989.91 2 June 2021 12112.05 3 July 2021 12237.69 4 August 2021 12463.13 2 5 September 2021 12464.55 3 6 October 2021 12464.94 4 7 November 2020 11579.02 8 December 2020 11625.95 9 January 2021 11627.94 10 February 2021 11698.79 11 March 2021 11749.75 12 April 2021 11849.32 7 November 2021 12467.32 5 8 December 2021 12481.82 6 9 January 2022 12555.55 7 10 February 2022 12683.97 8 11 March 2022 12791.43 9 12 April 2022 12898.96 10 May 2022 13004.47 11 June 2022 13110.50 12 July 2022 13167.84 Base Year Average 11383.5283 Third 11576.4391 First Year Average 12712.8733 12467.6100 Price Adjustment: Third First Year Index Average = 12712.8733 12467.6100 = 1.1168 1.0770 Base Year Index Average 11383.5283 WA11576.4391 MD-DCR6-E01PAC02-100120052621-VGL PAI Original Adjustment Factor x Price Adjustment = Option Multiplier Normal Working Working-Hours – Prevailing Wage 1.0919 1.1168 1.2194 1.2600 1.0770 1.3570 Other Than Normal Working Hours – Hours- Prevailing Wage 1.0924 1.1168 1.2200 1.3300 1.0770 1.4324 Normal Working Hours – Hours-Non-Prevailing Wage 1.0919 1.1168 1.2194 1.2000 1.0770 1.2924 Other Than Normal Working Hours – Hours-Non- Prevailing Wage 1.0924 1.1168 1.2200 Non Pre1.2500 1.0770 1.3463 Non-Pre Priced 1.2108 1.2000 1.0000 1.21081.2000

Option Period. Pursuant to the Contract, the following are the Adjustment Factors for the next option period: Base Year Index Date Index 1 October 2020 11538.93 2 November 2020 11579.02 3 December 2020 11625.95 4 January 2021 11627.94 5 February 2021 11698.79 6 March 2021 11749.75 7 April 2021 11849.32 8 May 2021 11989.91 9 June 2021 12112.05 10 July 2021 12237.69 11 August 2019 11311.06 2 2021 12463.13 12 September 2019 11311.24 3 October 2019 11326.12 4 November 2019 11380.83 5 December 2019 11381.53 6 January 2020 11392.41 7 February 2020 11396.01 8 March 2020 11396.97 9 April 2020 11412.67 10 May 2020 11418.16 11 June 2020 11436.23 12 July 2020 11439.11 Third 2021 12464.55 First Year Index Date Index 1 August 2021 12463.13 2 September 2021 12464.55 3 October 2021 12464.94 4 2 November 2021 12467.32 5 3 December 2021 12481.82 6 4 January 2022 12555.55 7 5 February 2022 12683.97 8 6 March 2022 12791.43 9 7 April 2022 12898.96 10 8 May 2022 13004.47 11 9 June 2022 13110.50 12 10 July 2022 13167.84 11 August 2022 13171.07 12 September 2022 13173.43 Base Year Average 11383.5283 Third 11911.4191 First Year Average 12712.8733 12830.9416 Price Adjustment: Third First Year Index Average = 12712.8733 12830.9416 = 1.1168 1.0772 Base Year Index Average 11383.5283 WA11911.4191 OH-DCR5-E01HVAC02-10012010201-VGL AFO Original Adjustment Factor x Price Adjustment = Option Multiplier Normal Working Hours – Prevailing Wage 1.0919 1.1168 1.2194 1.1590 1.0772 1.2485 Other Than Normal Working Hours – Prevailing Wage 1.0924 1.1168 1.2200 1.2250 1.0772 1.3196 Normal Working Hours – Non-Prevailing Wage 1.0919 1.1168 1.2194 1.1550 1.0772 1.2442 Other Than Normal Working Hours – Non- Prevailing Wage 1.0924 1.1168 1.2200 1.2250 1.0772 1.3196 Non Pre-Priced 1.2108 1.2850 1.0000 1.21081.2850

Option Period. Pursuant to the Contract, the following are the Adjustment Factors for the next option period: Base Year Index Date Index 1 2 June 2019 11268.48 3 July 2019 11291.80 4 August 2019 11311.06 2 5 September 2019 11311.24 3 6 October 2019 11326.12 4 7 November 2019 11380.83 5 8 December 2019 11381.53 6 9 January 2020 11392.41 7 10 February 2020 11396.01 8 11 March 2020 11396.97 9 12 April 2020 11412.67 10 May 2020 11418.16 11 June 2020 11436.23 12 July 2020 11439.11 Third Year Index Date Index 1 May 2021 11989.91 2 June 2021 12112.05 3 July 2021 12237.69 4 August 2021 12463.13 2 5 September 2021 12464.55 3 6 October 2021 12464.94 4 7 November 2021 12467.32 5 8 December 2021 12481.82 6 9 January 2022 12555.55 7 10 February 2022 12683.97 8 11 March 2022 12791.43 9 12 April 2022 12898.96 10 May 2022 13004.47 11 June 2022 13110.50 12 July 2022 13167.84 Base Year Average 11383.5283 11341.5925 Third Year Average 12712.8733 12467.6100 Price Adjustment: Third Year Index Average = 12712.8733 12467.6100 = 1.1168 1.0993 Base Year Index Average 11383.5283 WA11341.5925 KY-DCW-E01E02-100120062420-VGL LMC Original Adjustment Factor x Price Adjustment = Option Multiplier Non Pre-Priced 1.2757 1.0000 1.2757 Normal Working Hours – Non Prevailing Wage 1.0919 1.1168 1.2194 1.2757 1.0993 1.4024 Normal Working Hours Prevailing Wage 1.2757 1.0993 1.4024 Other Than Normal Working Hours – Non Prevailing Wage 1.0924 1.1168 1.2200 Normal Working Hours – Non-Prevailing Wage 1.0919 1.1168 1.2194 1.2973 1.0993 1.4261 Other Than Normal Working Hours – Non- Prevailing Wage 1.0924 1.1168 1.2200 Non Pre-Priced 1.2108 1.0000 1.21081.2973 1.0993 1.4261

Option Period. Pursuant to the Contract, the following are the Adjustment Factors for the next option period: Base Year Index Date Index 1 August 2019 11311.06 2 September 2019 11311.24 3 October 2019 11326.12 4 November 2019 11380.83 5 December 2019 11381.53 6 January 2020 11392.41 7 February 2020 11396.01 8 March 2020 11396.97 9 April 2020 11412.67 10 May 2020 11418.16 11 June 2020 11436.23 12 July 2020 11439.11 Third Year Index Date Index 1 August 2021 12463.13 2 September 2021 12464.55 3 October 2021 12464.94 4 November 2021 12467.32 5 December 2021 12481.82 6 January 2022 12555.55 7 February 2022 12683.97 8 March 2022 12791.43 9 April 2022 12898.96 10 May 2022 13004.47 11 June 2022 13110.50 12 July 2022 13167.84 Base Year Average 11383.5283 Third Year Average 12712.8733 Price Adjustment: Third Year Index Average = 12712.8733 = 1.1168 Base Year Index Average 11383.5283 WA-DC-E01P01-100120-VGL Original Adjustment Factor x Price Adjustment = Option Multiplier Normal Working Hours – Prevailing Wage 1.0919 1.1168 1.2194 Other Than Normal Working Hours – Prevailing Wage 1.0924 1.1168 1.2200 Normal Working Hours – Non-Prevailing Wage 1.0919 1.1168 1.2194 Other Than Normal Working Hours – Non- Prevailing Wage 1.0924 1.1168 1.2200 Non Pre-Priced 1.2108 1.0000 1.2108

Option Period. Pursuant to the Contract, the following are the Adjustment Factors for the next option period: Base Year Index Date Index 1 October 2020 11538.93 2 November 2020 11579.02 3 December 2020 11625.95 4 January 2021 11627.94 5 February 2021 11698.79 6 March 2021 11749.75 7 April 2021 11849.32 8 May 2021 11989.91 9 June 2021 12112.05 10 July 2021 12237.69 11 August 2019 11311.06 2 2021 12463.13 12 September 2019 11311.24 3 October 2019 11326.12 4 November 2019 11380.83 5 December 2019 11381.53 6 January 2020 11392.41 7 February 2020 11396.01 8 March 2020 11396.97 9 April 2020 11412.67 10 May 2020 11418.16 11 June 2020 11436.23 12 July 2020 11439.11 Third 2021 12464.55 First Year Index Date Index 1 August 2021 12463.13 2 September 2021 12464.55 3 October 2021 12464.94 4 2 November 2021 12467.32 5 3 December 2021 12481.82 6 4 January 2022 12555.55 7 5 February 2022 12683.97 8 6 March 2022 12791.43 9 7 April 2022 12898.96 10 8 May 2022 13004.47 11 9 June 2022 13110.50 12 10 July 2022 13167.84 11 August 2022 13171.07 12 September 2022 13173.43 Base Year Average 11383.5283 Third 11911.4191 First Year Average 12712.8733 12830.9416 Price Adjustment: Third First Year Index Average = 12712.8733 12830.9416 = 1.1168 1.0772 Base Year Index Average 11383.5283 WA11911.4191 OH-DCMBE-E01R5-100120CC01-VGL 102021-MCC Original Adjustment Factor x Price Adjustment = Option Multiplier Normal Working Hours – Prevailing Wage 1.0919 1.1168 1.2194 1.1524 1.0772 1.2414 Other Than Normal Working Hours – Prevailing Wage 1.0924 1.1168 1.2200 1.1749 1.0772 1.2656 Normal Working Hours – Non-Prevailing Wage 1.0919 1.1168 1.2194 1.1524 1.0772 1.2414 Other Than Normal Working Hours – Non- Prevailing Wage 1.0924 1.1168 1.2200 1.1749 1.0772 1.2656 Non Pre-Priced 1.2108 1.1900 1.0000 1.21081.1900

Option Period. Pursuant to the Contract, the following are the Adjustment Factors for the next option period: Base Year Index Date Index 1 August 2019 11311.06 2 September 2019 11311.24 3 October 2019 11326.12 4 November 2019 11380.83 5 December 2019 11381.53 6 January 2020 11392.41 7 February 2020 11396.01 8 March 2020 11396.97 9 April 2020 11412.67 10 May 2020 11418.16 11 2 June 2020 11436.23 12 3 July 2020 11439.11 Third 4 August 2020 11455.26 5 September 2020 11498.81 6 October 2020 11538.93 First Year Index Date Index 1 May 2021 11989.91 2 June 2021 12112.05 3 July 2021 12237.69 4 August 2021 12463.13 2 5 September 2021 12464.55 3 6 October 2021 12464.94 4 7 November 2020 11579.02 8 December 2020 11625.95 9 January 2021 11627.94 10 February 2021 11698.79 11 March 2021 11749.75 12 April 2021 11849.32 7 November 2021 12467.32 5 8 December 2021 12481.82 6 9 January 2022 12555.55 7 10 February 2022 12683.97 8 11 March 2022 12791.43 9 12 April 2022 12898.96 10 May 2022 13004.47 11 June 2022 13110.50 12 July 2022 13167.84 Base Year Average 11383.5283 Third 11576.4391 First Year Average 12712.8733 12467.6100 Price Adjustment: Third First Year Index Average = 12712.8733 12467.6100 = 1.1168 1.0770 Base Year Index Average 11383.5283 WA11576.4391 MD-DCR5-E01PAC02-100120052621-VGL PAI Original Adjustment Factor x Price Adjustment = Option Multiplier Normal Working Working-Hours – Prevailing Wage 1.0919 1.1168 1.2194 1.1900 1.0770 1.2816 Other Than Normal Working Hours – Hours- Prevailing Wage 1.0924 1.1168 1.2200 1.2900 1.0770 1.3893 Normal Working Hours – Hours-Non-Prevailing Wage 1.0919 1.1168 1.2194 1.2300 1.0770 1.3247 Other Than Normal Working Hours – Hours-Non- Prevailing Wage 1.0924 1.1168 1.2200 Non Pre1.2700 1.0770 1.3678 Non-Pre Priced 1.2108 1.2400 1.0000 1.21081.2400

Option Period. Pursuant to the Contract, the following are the Adjustment Factors for the next option period: Base Year Index Date Index 1 August 2019 11311.06 2 September 2019 11311.24 3 October 2019 11326.12 4 November 2019 11380.83 5 December 2019 11381.53 6 January 2020 11392.41 7 February 2020 11396.01 8 March 2020 11396.97 9 April 2020 11412.67 10 May 2020 11418.16 11 June 2020 11436.23 12 July 2020 11439.11 Third Year Index Date Index 1 August 2021 12463.13 2 September 2021 12464.55 3 October 2021 12464.94 4 November 2021 12467.32 5 December 2021 12481.82 6 January 2022 12555.55 7 February 2022 12683.97 8 March 2022 12791.43 9 April 2022 12898.96 10 May 2022 13004.47 11 June 2022 13110.50 12 July 2022 13167.84 Base Year Average 11383.5283 Third Year Average 12712.8733 Price Adjustment: Third Year Index Average = 12712.8733 = 1.1168 Base Year Index Average 11383.5283 WA-DC-E01M01-100120-VGL Original Adjustment Factor x Price Adjustment = Option Multiplier Normal Working Hours – Prevailing Wage 1.0919 1.1168 1.2194 Other Than Normal Working Hours – Prevailing Wage 1.0924 1.1168 1.2200 Normal Working Hours – Non-Prevailing Wage 1.0919 1.1168 1.2194 Other Than Normal Working Hours – Non- Prevailing Wage 1.0924 1.1168 1.2200 Non Pre-Priced 1.2108 1.0000 1.2108

Option Period. Pursuant to the Contract, the following are the Adjustment Factors for the next option period: Base Year Index Date Index 1 2 June 2019 11268.48 3 July 2019 11291.80 4 August 2019 11311.06 2 5 September 2019 11311.24 3 6 October 2019 11326.12 4 7 November 2019 11380.83 5 8 December 2019 11381.53 6 9 January 2020 11392.41 7 10 February 2020 11396.01 8 11 March 2020 11396.97 9 12 April 2020 11412.67 10 May 2020 11418.16 11 June 2020 11436.23 12 July 2020 11439.11 Third Year Index Date Index 1 May 2021 11989.91 2 June 2021 12112.05 3 July 2021 12237.69 4 August 2021 12463.13 2 5 September 2021 12464.55 3 6 October 2021 12464.94 4 7 November 2021 12467.32 5 8 December 2021 12481.82 6 9 January 2022 12555.55 7 10 February 2022 12683.97 8 11 March 2022 12791.43 9 12 April 2022 12898.96 10 May 2022 13004.47 11 June 2022 13110.50 12 July 2022 13167.84 Base Year Average 11383.5283 11341.5925 Third Year Average 12712.8733 12467.6100 Price Adjustment: Third Year Index Average = 12712.8733 12467.6100 = 1.1168 1.0993 Base Year Index Average 11383.5283 WA-DC-E01-100120-VGL 11341.5925 KY−NC−E01−062420−PLS Original Adjustment Factor x Price Adjustment = Option Multiplier Non Pre−Priced 1.1039 1.0000 1.1039 Normal Working Hours – Non Prevailing Wage 1.0919 1.1168 1.2194 1.1255 1.0993 1.2373 Normal Working Hours Prevailing Wage 1.1577 1.0993 1.2727 Other Than Normal Working Hours – Non Prevailing Wage 1.0924 1.1168 1.2200 Normal Working Hours – Non-Prevailing Wage 1.0919 1.1168 1.2194 1.1331 1.0993 1.2456 Other Than Normal Working Hours – Non- Prevailing Wage 1.0924 1.1168 1.2200 Non Pre-Priced 1.2108 1.0000 1.21081.1579 1.0993 1.2729

Option Period. Pursuant to the Contract, the following are the Adjustment Factors for the next option period: Base Year Index Date Index 1 August 2019 11311.06 2 September 2019 11311.24 3 October 2019 11326.12 4 November 2019 11380.83 5 December 2019 11381.53 6 January 2020 11392.41 7 February 2020 11396.01 8 March 2020 11396.97 9 April 2020 11412.67 10 May 2020 11418.16 11 2 June 2020 11436.23 12 3 July 2020 11439.11 Third 4 August 2020 11455.26 5 September 2020 11498.81 6 October 2020 11538.93 First Year Index Date Index 1 May 2021 11989.91 2 June 2021 12112.05 3 July 2021 12237.69 4 August 2021 12463.13 2 5 September 2021 12464.55 3 6 October 2021 12464.94 4 7 November 2020 11579.02 8 December 2020 11625.95 9 January 2021 11627.94 10 February 2021 11698.79 11 March 2021 11749.75 12 April 2021 11849.32 7 November 2021 12467.32 5 8 December 2021 12481.82 6 9 January 2022 12555.55 7 10 February 2022 12683.97 8 11 March 2022 12791.43 9 12 April 2022 12898.96 10 May 2022 13004.47 11 June 2022 13110.50 12 July 2022 13167.84 Base Year Average 11383.5283 Third 11576.4391 First Year Average 12712.8733 12467.6100 Price Adjustment: Third First Year Index Average = 12712.8733 12467.6100 = 1.1168 1.0770 Base Year Index Average 11383.5283 WA11576.4391 MD-DCR4-E01E02-100120052621-VGL Original Adjustment Factor x Price Adjustment = Option Multiplier Normal Working Working-Hours – Prevailing Wage 1.0919 1.1168 1.2194 1.1050 1.0770 1.1901 Other Than Normal Working Hours – Hours- Prevailing Wage 1.0924 1.1168 1.2200 1.1055 1.0770 1.1906 Normal Working Hours – Hours-Non-Prevailing Wage 1.0919 1.1168 1.2194 1.1050 1.0770 1.1901 Other Than Normal Working Hours – Hours-Non- Prevailing Wage 1.0924 1.1168 1.2200 Non Pre1.1055 1.0770 1.1906 Non-Pre Priced 1.2108 1.1750 1.0000 1.21081.1750

Option Period. Pursuant to the Contract, the following are the Adjustment Factors for the next option period: Base Year Index Date Index 1 2 June 2019 11268.48 3 July 2019 11291.80 4 August 2019 11311.06 2 5 September 2019 11311.24 3 6 October 2019 11326.12 4 7 November 2019 11380.83 5 8 December 2019 11381.53 6 9 January 2020 11392.41 7 10 February 2020 11396.01 8 11 March 2020 11396.97 9 12 April 2020 11412.67 10 May 2020 11418.16 11 June 2020 11436.23 12 July 2020 11439.11 Third Year Index Date Index 1 May 2021 11989.91 2 June 2021 12112.05 3 July 2021 12237.69 4 August 2021 12463.13 2 5 September 2021 12464.55 3 6 October 2021 12464.94 4 7 November 2021 12467.32 5 8 December 2021 12481.82 6 9 January 2022 12555.55 7 10 February 2022 12683.97 8 11 March 2022 12791.43 9 12 April 2022 12898.96 10 May 2022 13004.47 11 June 2022 13110.50 12 July 2022 13167.84 Base Year Average 11383.5283 11341.5925 Third Year Average 12712.8733 12467.6100 Price Adjustment: Third Year Index Average = 12712.8733 12467.6100 = 1.1168 1.0993 Base Year Index Average 11383.5283 WA11341.5925 KY-DCNC-E01RW01-100120062420-VGL LMC Original Adjustment Factor x Price Adjustment = Option Multiplier Non Pre-Priced 1.2757 1.0000 1.2757 Normal Working Hours – Non Prevailing Wage 1.0919 1.1168 1.2194 1.2108 1.0993 1.3310 Normal Working Hours Prevailing Wage 1.2108 1.0993 1.3310 Other Than Normal Working Hours – Non Prevailing Wage 1.0924 1.1168 1.2200 Normal Working Hours – Non-Prevailing Wage 1.0919 1.1168 1.2194 1.2216 1.0993 1.3429 Other Than Normal Working Hours – Non- Prevailing Wage 1.0924 1.1168 1.2200 Non Pre-Priced 1.2108 1.0000 1.21081.2216 1.0993 1.3429