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 July 2018 11116.07 2 August 2018 11124.49 3 September 2018 11169.87 4 October 2018 11169.68 5 November 2018 11183.93 6 December 2018 11185.44 7 January 2019 11205.73 8 February 2019 11217.90 9 March 2019 11227.88 10 April 2019 11228.07 11 May 2019 11229.99 12 June 2019 11268.48 Fourth Year Index Date Index 1 July 2021 12237.69 2 August 2021 12463.13 3 September 2021 12464.55 4 October 2021 12464.94 5 November 2021 12467.32 6 December 2021 12481.82 7 January 2022 12555.55 8 February 2022 12683.97 9 March 2022 12791.43 10 April 2022 12898.96 11 May 2022 13004.47 12 June 2022 13110.50 Base Year Average 11193.9608 Fourth Year Average 12635.3608 Price Adjustment: Fourth Year Index Average = 12635.3608 = 1.1288 Base Year Index Average 11193.9608 CA08-SCI-F02-080719-ACI Original Adjustment Factor x Price Adjustment = Option Multiplier Normal Working Hours 1.0811 1.1288 1.2203 Other Than Normal Working Hours 1.0919 1.1288 1.2325 Normal Working Hours – OSHPD and Secured Areas 1.1351 1.1288 1.2813 Other Than Normal Working Hours – OSHPD and Secured Areas 1.1459 1.1288 1.2935 Non Pre-Priced 1.2951 1.000 1.2951

Option Period. Pursuant to the Contract, the following are the Adjustment Factors for the next option period: Base Year Index Date Index 1 July 2018 11116.07 2 August 2018 11124.49 3 September 2018 11169.87 4 October 2018 11169.68 5 November 2018 11183.93 6 December 2018 11185.44 7 January 2019 11205.73 8 February 2019 11217.90 9 March 2019 11227.88 10 April 2019 11228.07 11 May 2019 11229.99 12 June 2019 11268.48 Fourth Year Index Date Index 1 July 2021 12237.69 2 August 2021 12463.13 3 September 2021 12464.55 4 October 2021 12464.94 5 November 2021 12467.32 6 December 2021 12481.82 7 January 2022 12555.55 8 February 2022 12683.97 9 March 2022 12791.43 10 April 2022 12898.96 11 May 2022 13004.47 12 June 2022 13110.50 Base Year Average 11193.9608 Fourth Year Average 12635.3608 Price Adjustment: Fourth Year Index Average = 12635.3608 = 1.1288 Base Year Index Average 11193.9608 CA08-SCI-F02E02-080719-ACI HJC Original Adjustment Factor x Price Adjustment = Option Multiplier Normal Working Hours 1.0811 1.1676 1.1288 1.2203 1.3180 Other Than Normal Working Hours 1.0919 1.1892 1.1288 1.2325 1.3424 Normal Working Hours – OSHPD and Secured Areas 1.1351 1.1892 1.1288 1.2813 1.3424 Other Than Normal Working Hours – OSHPD and Secured Areas 1.1459 1.2108 1.1288 1.2935 1.3668 Non Pre-Priced 1.2951 1.1676 1.000 1.29511.1676

Option Period. Pursuant to the Contract, the following are the Adjustment Factors for the next option period: Base Year Index Date Index 1 July 2018 11116.07 2 August 2018 11124.49 3 September 2018 11169.87 4 October 2018 11169.68 5 November 2018 11183.93 6 December 2018 11185.44 7 January 2019 11205.73 8 February 2019 11217.90 9 March 2019 11227.88 10 April 2019 11228.07 11 May 2019 11229.99 12 June 2019 11268.48 Fourth Year Index Date Index 1 July 2021 12237.69 2 August 2021 12463.13 3 September 2021 12464.55 4 October 2021 12464.94 5 November 2021 12467.32 6 December 2021 12481.82 7 January 2022 12555.55 8 February 2022 12683.97 9 March 2022 12791.43 10 April 2022 12898.96 11 May 2022 13004.47 12 June 2022 13110.50 Base Year Average 11193.9608 Fourth Year Average 12635.3608 Price Adjustment: Fourth Year Index Average = 12635.3608 = 1.1288 Base Year Index Average 11193.9608 CA08-SCI-F02P01-080719-ACI PUB Original Adjustment Factor x Price Adjustment = Option Multiplier Normal Working Hours 1.0811 0.8773 1.1288 1.2203 0.9903 Other Than Normal Working Hours 1.0919 0.8881 1.1288 1.2325 1.0025 Normal Working Hours – OSHPD and Secured Areas 1.1351 0.8935 1.1288 1.2813 1.0086 Other Than Normal Working Hours – OSHPD and Secured Areas 1.1459 0.9043 1.1288 1.2935 1.0208 Non Pre-Priced 1.2951 1.1351 1.000 1.29511.1351

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 2018 11116.07 2 2021 12237.69 11 August 2018 11124.49 3 2021 12463.13 12 September 2018 11169.87 4 October 2018 11169.68 5 November 2018 11183.93 6 December 2018 11185.44 7 January 2019 11205.73 8 February 2019 11217.90 9 March 2019 11227.88 10 April 2019 11228.07 11 May 2019 11229.99 12 June 2019 11268.48 Fourth 2021 12464.55 First Year Index Date Index 1 July 2021 12237.69 2 August 2021 12463.13 3 September 2021 12464.55 4 October 2021 12464.94 5 2 November 2021 12467.32 6 3 December 2021 12481.82 7 4 January 2022 12555.55 8 5 February 2022 12683.97 9 6 March 2022 12791.43 10 7 April 2022 12898.96 11 8 May 2022 13004.47 12 9 June 2022 13110.50 10 July 2022 13167.84 11 August 2022 13171.07 12 September 2022 13173.43 Base Year Average 11193.9608 Fourth 11911.4191 First Year Average 12635.3608 12830.9416 Price Adjustment: Fourth First Year Index Average = 12635.3608 12830.9416 = 1.1288 1.0772 Base Year Index Average 11193.9608 CA0811911.4191 OH-SCIR1-F02HVAC02-080719102021-ACI AFO Original Adjustment Factor x Price Adjustment = Option Multiplier Normal Working Hours 1.0811 1.1288 1.2203 Other Than Normal Working Hours 1.0919 1.1288 1.2325 Normal Working Hours – OSHPD and Secured Areas 1.1351 1.1288 1.2813 Prevailing Wage 1.1590 1.0772 1.2485 Other Than Normal Working Hours – OSHPD and Secured Areas 1.1459 1.1288 1.2935 Prevailing Wage 1.2250 1.0772 1.3196 Normal Working Hours – Non-Prevailing Wage 1.1550 1.0772 1.2442 Other Than Normal Working Hours – Non- Prevailing Wage 1.2250 1.0772 1.3196 Non Pre-Priced 1.2951 1.000 1.29511.2850 1.0000 1.2850

Option Period. Pursuant to the Contract, the following are the Adjustment Factors for the next option period: Base Year Index Date Index 1 July 2018 11116.07 2 August 2018 11124.49 3 September 2018 11169.87 4 October 2018 11169.68 5 November 2018 11183.93 6 December 2018 11185.44 7 January 2019 11205.73 8 February 2019 11217.90 9 March 2019 11227.88 10 April 2019 11228.07 11 May 2019 11229.99 12 June 2019 11268.48 Fourth Year Index Date Index 1 July 2021 12237.69 2 August 2021 12463.13 3 September 2021 12464.55 4 October 2021 12464.94 5 November 2021 12467.32 6 December 2021 12481.82 7 January 2022 12555.55 8 February 2022 12683.97 9 March 2022 12791.43 10 April 2022 12898.96 11 May 2022 13004.47 12 June 2022 13110.50 Base Year Average 11193.9608 Fourth Year Average 12635.3608 Price Adjustment: Fourth Year Index Average = 12635.3608 = 1.1288 Base Year Index Average 11193.9608 CA08CA03-SCINCV-F02GB04-080719-ACI STA Original Adjustment Factor x Price Adjustment = Option Multiplier Normal Working Hours 1.0811 Prevailing Wage 1.4973 1.1288 1.2203 1.6902 Other Than Normal Working Hours 1.0919 Prevailing Wage 1.5514 1.1288 1.2325 Normal Working Hours – OSHPD and Secured Areas 1.1351 1.1288 1.2813 Other Than Normal Working Hours – OSHPD and Secured Areas 1.1459 1.1288 1.2935 1.7512 Non Pre-Priced 1.2951 1.000 1.29511.2973 1.0000 1.2973

Option Period. Pursuant to the Contract, the following are the Adjustment Factors for the next option period: Base Year Index Date Index 1 July 2018 11116.07 2 August 2018 11124.49 3 September 2018 11169.87 4 October 2018 11169.68 5 November 2018 11183.93 6 December 2018 11185.44 7 January 2019 11205.73 8 February 2019 11217.90 9 March 2019 11227.88 10 April 2019 11228.07 11 May 2019 11229.99 12 June 2019 11268.48 Fourth Year Index Date Index 1 July 2021 12237.69 2 August 2021 12463.13 3 September 2021 12464.55 4 October 2021 12464.94 5 November 2021 12467.32 6 December 2021 12481.82 7 January 2022 12555.55 8 February 2022 12683.97 9 March 2022 12791.43 10 April 2022 12898.96 11 May 2022 13004.47 12 June 2022 13110.50 Base Year Average 11193.9608 Fourth Year Average 12635.3608 Price Adjustment: Fourth Year Index Average = 12635.3608 = 1.1288 Base Year Index Average 11193.9608 CA08CA03-SCINCV-F02M01-080719-ACI PIO Original Adjustment Factor x Price Adjustment = Option Multiplier Normal Working Hours 1.0811 Prevailing Wage 1.2542 1.1288 1.2203 1.4157 Other Than Normal Working Hours 1.0919 Prevailing Wage 1.2839 1.1288 1.2325 Normal Working Hours – OSHPD and Secured Areas 1.1351 1.1288 1.2813 Other Than Normal Working Hours – OSHPD and Secured Areas 1.1459 1.1288 1.2935 1.4493 Non Pre-Priced 1.2951 1.000 1.29511.2803 1.0000 1.2803

Option Period. Pursuant to the Contract, the following are the Adjustment Factors for the next option period: Base Year Index Date Index 1 July 2018 11116.07 2 August 2018 11124.49 3 September 2018 11169.87 4 October 2018 11169.68 5 November 2018 11183.93 6 December 2018 11185.44 7 January 2019 11205.73 8 February 2019 11217.90 9 March 2019 11227.88 10 April 2019 11228.07 11 May 2019 11229.99 12 June 2019 11268.48 Fourth Year Index Date Index 1 July 2021 12237.69 2 August 2021 12463.13 3 September 2021 12464.55 4 October 2021 12464.94 5 November 2021 12467.32 6 December 2021 12481.82 7 January 2022 12555.55 8 February 2022 12683.97 9 March 2022 12791.43 10 April 2022 12898.96 11 May 2022 13004.47 12 June 2022 13110.50 Base Year Average 11193.9608 Fourth Year Average 12635.3608 Price Adjustment: Fourth Year Index Average = 12635.3608 = 1.1288 Base Year Index Average 11193.9608 CA08CA09-SCISDI-F02P01-080719-ACI PUB Original Adjustment Factor x Price Adjustment = Option Multiplier Normal Working Hours 1.0811 Prevailing Wage 0.8827 1.1288 1.2203 0.9964 Other Than Normal Working Hours 1.0919 Prevailing Wage 0.8935 1.1288 1.2325 Normal Working Hours – OSHPD and Secured Areas 1.1351 1.1288 1.2813 Other Than Normal Working Hours – OSHPD and Secured Areas 1.1459 1.1288 1.2935 1.0086 Non Pre-Priced 1.2951 1.000 1.29511.1351 1.0000 1.1351

Option Period. Pursuant to the Contract, the following are the Adjustment Factors for the next option period: Base Year Index Date Index 1 May 2020 11418.16 2 June 2020 11436.23 3 July 2018 11116.07 2 2020 11439.11 4 August 2018 11124.49 3 2020 11455.26 5 September 2018 11169.87 4 October 2018 11169.68 5 November 2018 11183.93 6 December 2018 11185.44 7 January 2019 11205.73 8 February 2019 11217.90 9 March 2019 11227.88 10 April 2019 11228.07 11 May 2019 11229.99 12 June 2019 11268.48 Fourth 2020 11498.81 First Year Index Date Index 1 May 2021 11989.91 2 June 2021 12112.05 3 July 2021 12237.69 2 4 August 2021 12463.13 3 5 September 2021 12464.55 4 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 5 7 November 2021 12467.32 6 8 December 2021 12481.82 7 9 January 2022 12555.55 8 10 February 2022 12683.97 9 11 March 2022 12791.43 10 12 April 2022 12898.96 11 May 2022 13004.47 12 June 2022 13110.50 Base Year Average 11193.9608 Fourth 11576.4391 First Year Average 12635.3608 12467.6100 Price Adjustment: Fourth First Year Index Average = 12635.3608 12467.6100 = 1.1288 1.0770 Base Year Index Average 11193.9608 CA0811576.4391 MD-SCIR6-F02E01-080719052621-ACI BEC Original Adjustment Factor x Price Adjustment = Option Multiplier Normal Working Working-Hours 1.0811 1.1288 1.2203 Prevailing Wage 1.0800 1.0770 1.1632 Other Than Normal Working Hours 1.0919 1.1288 1.2325 Hours- Prevailing Wage 1.2500 1.0770 1.3463 Normal Working Hours – OSHPD and Secured Areas 1.1351 1.1288 1.2813 Hours-Non-Prevailing Wage 1.0100 1.0770 1.0878 Other Than Normal Working Hours – OSHPD and Secured Areas 1.1459 1.1288 1.2935 Non PreHours-Non- Prevailing Wage 1.1500 1.0770 1.2386 Non-Pre Priced 1.2951 1.000 1.29511.0000 1.0000 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 July 2018 11116.07 2 August 2018 11124.49 3 September 2018 11169.87 4 October 2018 11169.68 5 November 2018 11183.93 6 December 2018 11185.44 7 January 2019 11205.73 8 February 2019 11217.90 9 March 2019 11227.88 10 April 2019 11228.07 11 May 2019 11229.99 12 June 2019 11268.48 Fourth Year Index Date Index 1 July 2021 12237.69 2 August 2021 12463.13 3 September 2021 12464.55 4 October 2021 12464.94 5 November 2021 12467.32 6 December 2021 12481.82 7 January 2022 12555.55 8 February 2022 12683.97 9 March 2022 12791.43 10 April 2022 12898.96 11 May 2022 13004.47 12 June 2022 13110.50 Base Year Average 11193.9608 Fourth Year Average 12635.3608 Price Adjustment: Fourth Year Index Average = 12635.3608 = 1.1288 Base Year Index Average 11193.9608 CA08-SCI-F02-080719-ACI CA09−SDI−R01−080719−SRC Original Adjustment Factor x Price Adjustment = Option Multiplier Normal Working Hours 1.0811 Prevailing Wage 1.4053 1.1288 1.2203 1.5863 Other Than Normal Working Hours 1.0919 Prevailing Wage 1.4055 1.1288 1.2325 Normal Working Hours – OSHPD and Secured Areas 1.5865 Non Pre−Priced 1.1351 1.1288 1.2813 Other Than Normal Working Hours – OSHPD and Secured Areas 1.1459 1.1288 1.2935 Non Pre-Priced 1.2951 1.000 1.29511.0000 1.1351

Option Period. Pursuant to the Contract, the following are the Adjustment Factors for the next option period: Base Year Index Date Index 1 July 2018 11116.07 2 August 2018 11124.49 3 September 2018 11169.87 4 October 2018 11169.68 5 November 2018 11183.93 6 December 2018 11185.44 7 January 2019 11205.73 8 February 2019 11217.90 9 March 2019 11227.88 10 April 2019 11228.07 11 May 2019 11229.99 12 June 2019 11268.48 Fourth Year Index Date Index 1 July 2021 12237.69 2 August 2021 12463.13 3 September 2021 12464.55 4 October 2021 12464.94 5 November 2021 12467.32 6 December 2021 12481.82 7 January 2022 12555.55 8 February 2022 12683.97 9 March 2022 12791.43 10 April 2022 12898.96 11 May 2022 13004.47 12 June 2022 13110.50 Base Year Average 11193.9608 Fourth Year Average 12635.3608 Price Adjustment: Fourth Year Index Average = 12635.3608 = 1.1288 Base Year Index Average 11193.9608 CA08CA04-SCINCC-F02GB03-080719-ACI PIO Original Adjustment Factor x Price Adjustment = Option Multiplier Normal Working Hours 1.0811 Prevailing Wage 1.3623 1.1288 1.2203 1.5378 Other Than Normal Working Hours 1.0919 Prevailing Wage 1.3920 1.1288 1.2325 Normal Working Hours – OSHPD and Secured Areas 1.1351 1.1288 1.2813 Other Than Normal Working Hours – OSHPD and Secured Areas 1.1459 1.1288 1.2935 1.5713 Non Pre-Priced 1.2951 1.000 1.29511.2803 1.0000 1.2803

Option Period. Pursuant to the Contract, the following are the Adjustment Factors for the next option period: Base Year Index Date Index 1 July 2018 11116.07 2 August 2018 11124.49 3 September 2018 11169.87 4 October 2018 11169.68 5 November 2018 11183.93 6 December 2018 11185.44 7 January 2019 11205.73 8 February 2019 11217.90 9 March 2019 11227.88 10 April 2019 11228.07 11 May 2019 11229.99 12 June 2019 11268.48 Fourth Year Index Date Index 1 July 2021 12237.69 2 August 2021 12463.13 3 September 2021 12464.55 4 October 2021 12464.94 5 November 2021 12467.32 6 December 2021 12481.82 7 January 2022 12555.55 8 February 2022 12683.97 9 March 2022 12791.43 10 April 2022 12898.96 11 May 2022 13004.47 12 June 2022 13110.50 Base Year Average 11193.9608 Fourth Year Average 12635.3608 Price Adjustment: Fourth Year Index Average = 12635.3608 = 1.1288 Base Year Index Average 11193.9608 CA08-SCI-F02GEP02-080719-ACI SOL Original Adjustment Factor x Price Adjustment = Option Multiplier Normal Working Hours 1.0811 1.2757 1.1288 1.2203 1.4400 Other Than Normal Working Hours 1.0919 1.2865 1.1288 1.2325 1.4522 Normal Working Hours – OSHPD and Secured Areas 1.1351 1.2757 1.1288 1.2813 1.4400 Other Than Normal Working Hours – OSHPD and Secured Areas 1.1459 1.2865 1.1288 1.2935 1.4522 Non Pre-Priced 1.2951 1.1892 1.000 1.29511.1892

Option Period. Pursuant to the Contract, the following are the Adjustment Factors for the next option period: Base Year Index Date Index 1 July 2018 11116.07 2 August 2018 11124.49 3 September 2018 11169.87 4 October 2018 11169.68 5 November 2018 11183.93 6 December 2018 11185.44 7 January 2019 11205.73 8 February 2019 11217.90 9 March 2019 11227.88 10 April 2019 11228.07 11 May 2019 11229.99 12 June 2019 11268.48 Fourth Year Index Date Index 1 July 2021 12237.69 2 August 2021 12463.13 3 September 2021 12464.55 4 October 2021 12464.94 5 November 2021 12467.32 6 December 2021 12481.82 7 January 2022 12555.55 8 February 2022 12683.97 9 March 2022 12791.43 10 April 2022 12898.96 11 May 2022 13004.47 12 June 2022 13110.50 Base Year Average 11193.9608 Fourth Year Average 12635.3608 Price Adjustment: Fourth Year Index Average = 12635.3608 = 1.1288 Base Year Index Average 11193.9608 CA08CA09-SCISDI-F02GB04-080719-ACI LDC Original Adjustment Factor x Price Adjustment = Option Multiplier Normal Working Hours 1.0811 Prevailing Wage 0.9865 1.1288 1.2203 1.1136 Other Than Normal Working Hours 1.0919 Prevailing Wage 1.4595 1.1288 1.2325 Normal Working Hours – OSHPD and Secured Areas 1.1351 1.1288 1.2813 Other Than Normal Working Hours – OSHPD and Secured Areas 1.1459 1.1288 1.2935 1.6475 Non Pre-Priced 1.2951 1.000 1.29511.1378 1.0000 1.1378

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 2018 11116.07 2 2021 12237.69 11 August 2018 11124.49 3 2021 12463.13 12 September 2018 11169.87 4 October 2018 11169.68 5 November 2018 11183.93 6 December 2018 11185.44 7 January 2019 11205.73 8 February 2019 11217.90 9 March 2019 11227.88 10 April 2019 11228.07 11 May 2019 11229.99 12 June 2019 11268.48 Fourth 2021 12464.55 First Year Index Date Index 1 July 2021 12237.69 2 August 2021 12463.13 3 September 2021 12464.55 4 October 2021 12464.94 5 2 November 2021 12467.32 6 3 December 2021 12481.82 7 4 January 2022 12555.55 8 5 February 2022 12683.97 9 6 March 2022 12791.43 10 7 April 2022 12898.96 11 8 May 2022 13004.47 12 9 June 2022 13110.50 10 July 2022 13167.84 11 August 2022 13171.07 12 September 2022 13173.43 Base Year Average 11193.9608 Fourth 11911.4191 First Year Average 12635.3608 12830.9416 Price Adjustment: Fourth First Year Index Average = 12635.3608 12830.9416 = 1.1288 1.0772 Base Year Index Average 11193.9608 CA0811911.4191 OH-SCIR5-F02HVAC02-08071910201-ACI AFO Original Adjustment Factor x Price Adjustment = Option Multiplier Normal Working Hours 1.0811 1.1288 1.2203 Other Than Normal Working Hours 1.0919 1.1288 1.2325 Normal Working Hours – OSHPD and Secured Areas 1.1351 1.1288 1.2813 Prevailing Wage 1.1590 1.0772 1.2485 Other Than Normal Working Hours – OSHPD and Secured Areas 1.1459 1.1288 1.2935 Prevailing Wage 1.2250 1.0772 1.3196 Normal Working Hours – Non-Prevailing Wage 1.1550 1.0772 1.2442 Other Than Normal Working Hours – Non- Prevailing Wage 1.2250 1.0772 1.3196 Non Pre-Priced 1.2951 1.000 1.29511.2850 1.0000 1.2850

Option Period. Pursuant to the Contract, the following are the Adjustment Factors for the next option period: Base Year Index Date Index 1 May 2020 11418.16 2 June 2020 11436.23 3 July 2018 11116.07 2 2020 11439.11 4 August 2018 11124.49 3 2020 11455.26 5 September 2018 11169.87 4 2020 11498.81 6 October 2018 11169.68 5 November 2018 11183.93 6 December 2018 11185.44 7 January 2019 11205.73 8 February 2019 11217.90 9 March 2019 11227.88 10 April 2019 11228.07 11 May 2019 11229.99 12 June 2019 11268.48 Fourth 2020 11538.93 First Year Index Date Index 1 May 2021 11989.91 2 June 2021 12112.05 3 July 2021 12237.69 2 4 August 2021 12463.13 3 5 September 2021 12464.55 4 6 October 2021 12464.94 5 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 6 8 December 2021 12481.82 7 9 January 2022 12555.55 8 10 February 2022 12683.97 9 11 March 2022 12791.43 10 12 April 2022 12898.96 11 May 2022 13004.47 12 June 2022 13110.50 Base Year Average 11193.9608 Fourth 11576.4391 First Year Average 12635.3608 12467.6100 Price Adjustment: Fourth First Year Index Average = 12635.3608 12467.6100 = 1.1288 1.0770 Base Year Index Average 11193.9608 CA0811576.4391 MD-SCIR3-F02HVAC01-080719052621-ACI VGL Original Adjustment Factor x Price Adjustment = Option Multiplier Normal Working Working-Hours 1.0811 1.1288 1.2203 Prevailing Wage 1.1050 1.0770 1.1901 Other Than Normal Working Hours 1.0919 1.1288 1.2325 Hours- Prevailing Wage 1.1055 1.0770 1.1906 Normal Working Hours – OSHPD and Secured Areas 1.1351 1.1288 1.2813 Hours-Non-Prevailing Wage 1.1050 1.0770 1.1901 Other Than Normal Working Hours – OSHPD and Secured Areas 1.1459 1.1288 1.2935 Non PreHours-Non- Prevailing Wage 1.1055 1.0770 1.1906 Non-Pre Priced 1.2951 1.000 1.29511.1750 1.0000 1.1750

Option Period. Pursuant to the Contract, the following are the Adjustment Factors for the next option period: Base Year Index Date Index 1 July 2018 11116.07 2 August 2018 11124.49 3 September 2018 11169.87 4 October 2018 11169.68 5 November 2018 11183.93 6 December 2018 11185.44 7 January 2019 11205.73 8 February 2019 11217.90 9 March 2019 11227.88 10 April 2019 11228.07 11 May 2019 11229.99 12 June 2019 11268.48 Fourth Year Index Date Index 1 July 2021 12237.69 2 August 2021 12463.13 3 September 2021 12464.55 4 October 2021 12464.94 5 November 2021 12467.32 6 December 2021 12481.82 7 January 2022 12555.55 8 February 2022 12683.97 9 March 2022 12791.43 10 April 2022 12898.96 11 May 2022 13004.47 12 June 2022 13110.50 Base Year Average 11193.9608 Fourth Year Average 12635.3608 Price Adjustment: Fourth Year Index Average = 12635.3608 = 1.1288 Base Year Index Average 11193.9608 CA08CA09-SCISDI-F02GB02-080719-ACI VCI Original Adjustment Factor x Price Adjustment = Option Multiplier Normal Working Hours 1.0811 Prevailing Wage 1.0270 1.1288 1.2203 1.1593 Other Than Normal Working Hours 1.0919 Prevailing Wage 1.0271 1.1288 1.2325 Normal Working Hours – OSHPD and Secured Areas 1.1351 1.1288 1.2813 Other Than Normal Working Hours – OSHPD and Secured Areas 1.1459 1.1288 1.2935 1.1594 Non Pre-Priced 1.2951 1.000 1.29511.1351 1.0000 1.1351