HASI

SEC source: 0001561894-23-000048 · wf-form4_167899734664284.xml · nonDerivative · entry 1

Pangburn Marc T. · CIK 0001839282 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 48,291

SEC source: 0001561894-23-000046 · wf-form4_167899725285756.xml · nonDerivative · entry 1

Eckel Jeffrey · CIK 0001574200 · Director · Executive Chair

10b5-1 filing: Not disclosed

Ownership: Indirect · By Jeffrey W. Eckel Revocable Trust

Disclosed balance after: 549,894

F1 · balance_after: These shares are held by the Jeffrey W. Eckel Revocable Trust, of which Jeffrey W. Eckel is the sole trustee and beneficiary.

SEC source: 0001561894-23-000037 · wf-form4_167813825775558.xml · nonDerivative · entry 1

Lipson Jeffrey · CIK 0001769141 · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 29,925

F1 · shares: Consists of shares of Common Stock withheld by the issuer, with approval of the issuer's Board of Directors, in order to satisfy the tax withholding obligation of the reporting person in connection with the vesting of 3,750 shares of Common Stock.

F2 · price: Represents the closing price of the Common Stock on March 3, 2023, the first trading day on or prior to the vesting date.

SEC source: 0001561894-23-000035 · wf-form4_167813818319723.xml · nonDerivative · entry 1

Melko Charles · CIK 0001700743 · CAO & Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,563

F1 · shares: Consists of shares of Common Stock withheld by the issuer, with approval of the issuer's Board of Directors, in order to satisfy the tax withholding obligation of the reporting person in connection with thevesting of 13,000 shares of Common Stock.

F2 · price: Represents the closing price of the Common Stock on March 3, 2023, the first trading day on or prior to the vesting date.

SEC source: 0001561894-23-000039 · wf-form4_167813834151511.xml · nonDerivative · entry 1

Nickey Susan D · CIK 0001839416 · EVP and Chief Client Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · Susan D Nickey Revocable Trust DTD 11/19/2021

Disclosed balance after: 56,245

F1 · shares: Consists of shares of Common Stock withheld by the issuer, with approval of the issuer's Board of Directors, in order to satisfy the tax withholding obligation of the reporting person in connection withthe vesting of 13,000 shares of Common Stock.

F2 · price: Represents the closing price of the Common Stock on March 3, 2023, the first trading day on or prior to the vesting date.

F3 · ownership.nature: These Shares or LTIP Units are held by the Susan D Nickey Revocable Trust DTD 11/19/2021, of which Ms. Nickey is the trustee. Ms. Nickey possesses the voting and investment power with respect to the Shares or LTIP Units held by the Trust.

SEC source: 0001561894-23-000041 · wf-form4_167831243847084.xml · nonDerivative · entry 1

Pangburn Marc T. · CIK 0001839282 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 45,291

F1 · shares: Consists of shares of Common Stock withheld by the issuer, with approval of the issuer's Board of Directors, in order to satisfy the tax withholding obligation of the reporting person in connection with the vesting of 13,000 shares of Common Stock.

F2 · price: Represents the closing price of the Common Stock on March 3, 2023, the first trading day on or prior to the vesting date.

SEC source: 0001561894-23-000032 · wf-form4_167787990286406.xml · derivative · entry 1

Santoroski Richard · CIK 0001428362 · EVP and Chief Risk Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By HASI Management HoldCo LLC

Disclosed balance after: 91,427

Underlying: Common stock, par value $0.01 per share · 55,380 shares

Expires not disclosed

F1 · derivative.exercise_price: 91,427 units of limited partner interest ("OP Units") in Hannon Armstrong Sustainable Infrastructure, LP (the "Partnership") are issuable upon the vesting and conversion of 91,427 long-term incentive plan units ("LTIP Units") in the Partnership. The LTIP Units were granted to the Reporting Person under the Issuer's 2013 Equity Incentive Plan, as amended, and the Issuer's 2022 Equity Incentive Plan.

F2 · derivative.exercise_price: Vested LTIP Units, after achieving parity with OP Units (as described in the Partnership's Amended and Restated Agreement of Limited Partnership (the "Partnership Agreement")), are eligible to be converted into OP Units on a one-for-one basis upon the satisfaction of conditions set forth in the Partnership Agreement. Upon conversion of LTIP Units into OP Units, the Reporting Person will have the right to cause the Partnership to redeem a portion of the Reporting Person's OP Units for cash in an amount equal to the market value (as defined in the Partnership Agreement) of an equivalent number of shares of common stock, par value $0.01 per share, of Hannon Armstrong Sustainable Infrastructure Capital, Inc. (the "Issuer"), or at the Issuer's option, shares of the Issuer's common stock on a one-for-one basis, subject to certain adjustments.

F1 · derivative.exercise_date: 91,427 units of limited partner interest ("OP Units") in Hannon Armstrong Sustainable Infrastructure, LP (the "Partnership") are issuable upon the vesting and conversion of 91,427 long-term incentive plan units ("LTIP Units") in the Partnership. The LTIP Units were granted to the Reporting Person under the Issuer's 2013 Equity Incentive Plan, as amended, and the Issuer's 2022 Equity Incentive Plan.

F2 · derivative.exercise_date: Vested LTIP Units, after achieving parity with OP Units (as described in the Partnership's Amended and Restated Agreement of Limited Partnership (the "Partnership Agreement")), are eligible to be converted into OP Units on a one-for-one basis upon the satisfaction of conditions set forth in the Partnership Agreement. Upon conversion of LTIP Units into OP Units, the Reporting Person will have the right to cause the Partnership to redeem a portion of the Reporting Person's OP Units for cash in an amount equal to the market value (as defined in the Partnership Agreement) of an equivalent number of shares of common stock, par value $0.01 per share, of Hannon Armstrong Sustainable Infrastructure Capital, Inc. (the "Issuer"), or at the Issuer's option, shares of the Issuer's common stock on a one-for-one basis, subject to certain adjustments.

F3 · derivative.expiration_date: N/A

F4 · ownership.nature: These LTIP Units are held by HASI Management HoldCo LLC ("HoldCo LLC"). The Reporting Person is a member of HoldCo LLC. The LTIP Units reported represent only the number of LTIP Units in which the Reporting Person has a pecuniary interest in accordance with his proportionate interest in HoldCo LLC. The Reporting Person is voluntarily reporting his proportionate interest in HoldCo LLC's ownership of LTIP Units. The Reporting Person disclaims beneficial ownership other than to the extent of his pecuniary interest.

SEC source: 0001561894-23-000033 · wf-form4_167787997097008.xml · derivative · entry 2

Lipson Jeffrey · CIK 0001769141 · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By HASI Management HoldCo LLC

Disclosed balance after: 349,981

Underlying: Common stock, par value $0.01 per share · 229,500 shares

Expires not disclosed

F1 · derivative.exercise_price: 349,981 units of limited partner interest ("OP Units") in Hannon Armstrong Sustainable Infrastructure, LP (the "Partnership") are issuable upon the vesting and conversion of 394,981 long-term incentive plan units ("LTIP Units") in the Partnership. The LTIP Units were granted to the Reporting Person under the Issuer's 2013 Equity Incentive Plan, as amended, and the Issuer's 2022 Equity Incentive Plan.

F2 · derivative.exercise_price: Vested LTIP Units, after achieving parity with OP Units (as described in the Partnership's Amended and Restated Agreement of Limited Partnership (the "Partnership Agreement")), are eligible to be converted into OP Units on a one-for-one basis upon the satisfaction of conditions set forth in the Partnership Agreement. Upon conversion of LTIP Units into OP Units, the Reporting Person will have the right to cause the Partnership to redeem a portion of the Reporting Person's OP Units for cash in an amount equal to the market value (as defined in the Partnership Agreement) of an equivalent number of shares of common stock, par value $0.01 per share, of Hannon Armstrong Sustainable Infrastructure Capital, Inc. (the "Issuer"), or at the Issuer's option, shares of the Issuer's common stock on a one-for-one basis, subject to certain adjustments.

F1 · derivative.exercise_date: 349,981 units of limited partner interest ("OP Units") in Hannon Armstrong Sustainable Infrastructure, LP (the "Partnership") are issuable upon the vesting and conversion of 394,981 long-term incentive plan units ("LTIP Units") in the Partnership. The LTIP Units were granted to the Reporting Person under the Issuer's 2013 Equity Incentive Plan, as amended, and the Issuer's 2022 Equity Incentive Plan.

F2 · derivative.exercise_date: Vested LTIP Units, after achieving parity with OP Units (as described in the Partnership's Amended and Restated Agreement of Limited Partnership (the "Partnership Agreement")), are eligible to be converted into OP Units on a one-for-one basis upon the satisfaction of conditions set forth in the Partnership Agreement. Upon conversion of LTIP Units into OP Units, the Reporting Person will have the right to cause the Partnership to redeem a portion of the Reporting Person's OP Units for cash in an amount equal to the market value (as defined in the Partnership Agreement) of an equivalent number of shares of common stock, par value $0.01 per share, of Hannon Armstrong Sustainable Infrastructure Capital, Inc. (the "Issuer"), or at the Issuer's option, shares of the Issuer's common stock on a one-for-one basis, subject to certain adjustments.

F3 · derivative.expiration_date: N/A

F4 · balance_after: Previously included in this total were 13,395 LTIP Units which did not vest, as certain performance targets for the performance period ended December 31, 2022 were not met.

F5 · ownership.nature: These LTIP Units are held by HASI Management HoldCo LLC ("HoldCo LLC"). The Reporting Person is a member of HoldCo LLC. The LTIP Units reported represent only the number of LTIP Units in which the Reporting Person has a pecuniary interest in accordance with his proportionate interest in HoldCo LLC. The Reporting Person is voluntarily reporting his proportionate interest in HoldCo LLC's ownership of LTIP Units. The Reporting Person disclaims beneficial ownership other than to the extent of his pecuniary interest.

SEC source: 0001561894-23-000031 · wf-form4_167787987595202.xml · derivative · entry 2

Pangburn Marc T. · CIK 0001839282 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By HASI Management HoldCo, LLC

Disclosed balance after: 115,624

Underlying: Common stock, par value $0.01 per share · 60,000 shares

Expires not disclosed

F1 · derivative.exercise_price: 115,624 units of limited partner interest ("OP Units") in Hannon Armstrong Sustainable Infrastructure, LP (the "Partnership") are issuable upon the vesting and conversion of 115,624 long-term incentive plan units ("LTIP Units") in the Partnership. The LTIP Units were granted to the Reporting Person under the Issuer's 2013 Equity Incentive Plan, as amended, and the Issuer's 2022 Equity Incentive Plan.

F2 · derivative.exercise_price: Vested LTIP Units, after achieving parity with OP Units (as described in the Partnership's Amended and Restated Agreement of Limited Partnership (the "Partnership Agreement")), are eligible to be converted into OP Units on a one-for-one basis upon the satisfaction of conditions set forth in the Partnership Agreement. Upon conversion of LTIP Units into OP Units, the Reporting Person will have the right to cause the Partnership to redeem a portion of the Reporting Person's OP Units for cash in an amount equal to the market value (as defined in the Partnership Agreement) of an equivalent number of shares of common stock, par value $0.01 per share, of Hannon Armstrong Sustainable Infrastructure Capital, Inc. (the "Issuer"), or at the Issuer's option, shares of the Issuer's common stock on a one-for-one basis, subject to certain adjustments.

F1 · derivative.exercise_date: 115,624 units of limited partner interest ("OP Units") in Hannon Armstrong Sustainable Infrastructure, LP (the "Partnership") are issuable upon the vesting and conversion of 115,624 long-term incentive plan units ("LTIP Units") in the Partnership. The LTIP Units were granted to the Reporting Person under the Issuer's 2013 Equity Incentive Plan, as amended, and the Issuer's 2022 Equity Incentive Plan.

F2 · derivative.exercise_date: Vested LTIP Units, after achieving parity with OP Units (as described in the Partnership's Amended and Restated Agreement of Limited Partnership (the "Partnership Agreement")), are eligible to be converted into OP Units on a one-for-one basis upon the satisfaction of conditions set forth in the Partnership Agreement. Upon conversion of LTIP Units into OP Units, the Reporting Person will have the right to cause the Partnership to redeem a portion of the Reporting Person's OP Units for cash in an amount equal to the market value (as defined in the Partnership Agreement) of an equivalent number of shares of common stock, par value $0.01 per share, of Hannon Armstrong Sustainable Infrastructure Capital, Inc. (the "Issuer"), or at the Issuer's option, shares of the Issuer's common stock on a one-for-one basis, subject to certain adjustments.

F3 · derivative.expiration_date: N/A

F4 · balance_after: Previously included in this total were 4,626 LTIP Units which did not vest, as certain performance targets for the performance period ended December 31, 2022 were not met.

F5 · ownership.nature: These LTIP Units are held by HASI Management HoldCo LLC ("HoldCo LLC"). The Reporting Person is a member of HoldCo LLC. The LTIP Units reported represent only the number of LTIP Units in which the Reporting Person has a pecuniary interest in accordance with his proportionate interest in HoldCo LLC. The Reporting Person is voluntarily reporting his proportionate interest in HoldCo LLC's ownership of LTIP Units. The Reporting Person disclaims beneficial ownership other than to the extent of his pecuniary interest.

SEC source: 0001561894-23-000030 · wf-form4_167787983006365.xml · derivative · entry 2

Melko Charles · CIK 0001700743 · CAO & Treasurer

10b5-1 filing: Not disclosed

Ownership: Indirect · By HASI Management HoldCo LLC

Disclosed balance after: 43,695

Underlying: Common stock, par value $0.01 per share · 17,833 shares

Expires not disclosed

F1 · derivative.exercise_price: 43,695 units of limited partner interest ("OP Units") in Hannon Armstrong Sustainable Infrastructure, LP (the "Partnership") are issuable upon the vesting and conversion of 43,695 long-term incentive plan units ("LTIP Units") in the Partnership. The LTIP Units were granted to the Reporting Person under the Issuer's 2013 Equity Incentive Plan, as amended, and the Issuer's 2022 Equity Incentive Plan.

F2 · derivative.exercise_price: Vested LTIP Units, after achieving parity with OP Units (as described in the Partnership's Amended and Restated Agreement of Limited Partnership (the "Partnership Agreement")), are eligible to be converted into OP Units on a one-for-one basis upon the satisfaction of conditions set forth in the Partnership Agreement. Upon conversion of LTIP Units into OP Units, the Reporting Person will have the right to cause the Partnership to redeem a portion of the Reporting Person's OP Units for cash in an amount equal to the market value (as defined in the Partnership Agreement) of an equivalent number of shares of common stock, par value $0.01 per share, of Hannon Armstrong Sustainable Infrastructure Capital, Inc. (the "Issuer"), or at the Issuer's option, shares of the Issuer's common stock on a one-for-one basis, subject to certain adjustments.

F1 · derivative.exercise_date: 43,695 units of limited partner interest ("OP Units") in Hannon Armstrong Sustainable Infrastructure, LP (the "Partnership") are issuable upon the vesting and conversion of 43,695 long-term incentive plan units ("LTIP Units") in the Partnership. The LTIP Units were granted to the Reporting Person under the Issuer's 2013 Equity Incentive Plan, as amended, and the Issuer's 2022 Equity Incentive Plan.

F2 · derivative.exercise_date: Vested LTIP Units, after achieving parity with OP Units (as described in the Partnership's Amended and Restated Agreement of Limited Partnership (the "Partnership Agreement")), are eligible to be converted into OP Units on a one-for-one basis upon the satisfaction of conditions set forth in the Partnership Agreement. Upon conversion of LTIP Units into OP Units, the Reporting Person will have the right to cause the Partnership to redeem a portion of the Reporting Person's OP Units for cash in an amount equal to the market value (as defined in the Partnership Agreement) of an equivalent number of shares of common stock, par value $0.01 per share, of Hannon Armstrong Sustainable Infrastructure Capital, Inc. (the "Issuer"), or at the Issuer's option, shares of the Issuer's common stock on a one-for-one basis, subject to certain adjustments.

F3 · derivative.expiration_date: N/A

F4 · balance_after: Previously included in this total were 1,817 LTIP Units which did not vest, as certain performance targets for the performance period ended December 31, 2022 were not met.

F5 · ownership.nature: These LTIP Units are held by HASI Management HoldCo LLC ("HoldCo LLC"). The Reporting Person is a member of HoldCo LLC. The LTIP Units reported represent only the number of LTIP Units in which the Reporting Person has a pecuniary interest in accordance with his proportionate interest in HoldCo LLC. The Reporting Person is voluntarily reporting his proportionate interest in HoldCo LLC's ownership of LTIP Units. The Reporting Person disclaims beneficial ownership other than to the extent of his pecuniary interest.

SEC source: 0001561894-23-000029 · wf-form4_167787978617135.xml · derivative · entry 6

Eckel Jeffrey · CIK 0001574200 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By HASI Management HoldCo LLC

Disclosed balance after: 758,117

Underlying: Common stock, par value $0.01 per share · 173,299 shares

Expires not disclosed

F5 · derivative.exercise_price: 758,117 units of limited partner interest ("OP Units") in Hannon Armstrong Sustainable Infrastructure, LP (the "Partnership") are issuable upon the vesting and conversion of 758,117 long-term incentive plan units ("LTIP Units") in the Partnership. The LTIP Units were granted to the Reporting Person under the Issuer's 2013 Equity Incentive Plan, as amended, and the Issuer's 2022 Equity Incentive Plan.

F6 · derivative.exercise_price: Vested LTIP Units, after achieving parity with OP Units (as described in the Partnership's Amended and Restated Agreement of Limited Partnership (the "Partnership Agreement")), are eligible to be converted into OP Units on a one-for-one basis upon the satisfaction of conditions set forth in the Partnership Agreement. Upon conversion of LTIP Units into OP Units, the Reporting Person will have the right to cause the Partnership to redeem a portion of the Reporting Person's OP Units for cash in an amount equal to the market value (as defined in the Partnership Agreement) of an equivalent number of shares of common stock, par value $0.01 per share, of Hannon Armstrong Sustainable Infrastructure Capital, Inc. (the "Issuer"), or at the Issuer's option, shares of the Issuer's common stock on a one-for-one basis, subject to certain adjustments.

F5 · derivative.exercise_date: 758,117 units of limited partner interest ("OP Units") in Hannon Armstrong Sustainable Infrastructure, LP (the "Partnership") are issuable upon the vesting and conversion of 758,117 long-term incentive plan units ("LTIP Units") in the Partnership. The LTIP Units were granted to the Reporting Person under the Issuer's 2013 Equity Incentive Plan, as amended, and the Issuer's 2022 Equity Incentive Plan.

F6 · derivative.exercise_date: Vested LTIP Units, after achieving parity with OP Units (as described in the Partnership's Amended and Restated Agreement of Limited Partnership (the "Partnership Agreement")), are eligible to be converted into OP Units on a one-for-one basis upon the satisfaction of conditions set forth in the Partnership Agreement. Upon conversion of LTIP Units into OP Units, the Reporting Person will have the right to cause the Partnership to redeem a portion of the Reporting Person's OP Units for cash in an amount equal to the market value (as defined in the Partnership Agreement) of an equivalent number of shares of common stock, par value $0.01 per share, of Hannon Armstrong Sustainable Infrastructure Capital, Inc. (the "Issuer"), or at the Issuer's option, shares of the Issuer's common stock on a one-for-one basis, subject to certain adjustments.

F7 · derivative.expiration_date: N/A

F8 · balance_after: Previously included in this total were 55,005 LTIP Units which did not vest, as certain performance targets for the performance period ended December 31, 2022 were not met.

F9 · ownership.nature: These LTIP Units are held by HASI Management HoldCo LLC ("HoldCo LLC"). The Reporting Person is a member of HoldCo LLC. The LTIP Units reported represent only the number of LTIP Units in which the Reporting Person has a pecuniary interest in accordance with his proportionate interest in HoldCo LLC. The Reporting Person is voluntarily reporting his proportionate interest in HoldCo LLC's ownership of LTIP Units. The Reporting Person disclaims beneficial ownership other than to the extent of his pecuniary interest.

SEC source: 0001561894-23-000028 · wf-form4_167787973910053.xml · derivative · entry 3

Chuslo Steven · CIK 0001574201 · EVP AND CHIEF LEGAL OFFICER

10b5-1 filing: Not disclosed

Ownership: Indirect · By HASI Management HoldCo LLC

Disclosed balance after: 190,604

Underlying: Common stock, par value $0.01 per share · 50,386 shares

Expires not disclosed

F2 · derivative.exercise_price: 190,604 units of limited partner interest ("OP Units") in Hannon Armstrong Sustainable Infrastructure, LP (the "Partnership") are issuable upon the vesting and conversion of 190,604 long-term incentive plan units ("LTIP Units") in the Partnership. The LTIP Units were granted to the Reporting Person under the Issuer's 2013 Equity Incentive Plan, as amended, and the Issuer's 2022 Equity Incentive Plan.

F3 · derivative.exercise_price: Vested LTIP Units, after achieving parity with OP Units (as described in the Partnership's Amended and Restated Agreement of Limited Partnership (the "Partnership Agreement")), are eligible to be converted into OP Units on a one-for-one basis upon the satisfaction of conditions set forth in the Partnership Agreement. Upon conversion of LTIP Units into OP Units, the Reporting Person will have the right to cause the Partnership to redeem a portion of the Reporting Person's OP Units for cash in an amount equal to the market value (as defined in the Partnership Agreement) of an equivalent number of shares of common stock, par value $0.01 per share, of Hannon Armstrong Sustainable Infrastructure Capital, Inc. (the "Issuer"), or at the Issuer's option, shares of the Issuer's common stock on a one-for-one basis, subject to certain adjustments.

F2 · derivative.exercise_date: 190,604 units of limited partner interest ("OP Units") in Hannon Armstrong Sustainable Infrastructure, LP (the "Partnership") are issuable upon the vesting and conversion of 190,604 long-term incentive plan units ("LTIP Units") in the Partnership. The LTIP Units were granted to the Reporting Person under the Issuer's 2013 Equity Incentive Plan, as amended, and the Issuer's 2022 Equity Incentive Plan.

F3 · derivative.exercise_date: Vested LTIP Units, after achieving parity with OP Units (as described in the Partnership's Amended and Restated Agreement of Limited Partnership (the "Partnership Agreement")), are eligible to be converted into OP Units on a one-for-one basis upon the satisfaction of conditions set forth in the Partnership Agreement. Upon conversion of LTIP Units into OP Units, the Reporting Person will have the right to cause the Partnership to redeem a portion of the Reporting Person's OP Units for cash in an amount equal to the market value (as defined in the Partnership Agreement) of an equivalent number of shares of common stock, par value $0.01 per share, of Hannon Armstrong Sustainable Infrastructure Capital, Inc. (the "Issuer"), or at the Issuer's option, shares of the Issuer's common stock on a one-for-one basis, subject to certain adjustments.

F4 · derivative.expiration_date: N/A

F5 · balance_after: Previously included in this total were 14,535 LTIP Units which did not vest, as certain performance targets for the performance period ended December 31, 2022 were not met.

F6 · ownership.nature: These LTIP Units are held by HASI Management HoldCo LLC ("HoldCo LLC"). The Reporting Person is a member of HoldCo LLC. The LTIP Units reported represent only the number of LTIP Units in which the Reporting Person has a pecuniary interest in accordance with his proportionate interest in HoldCo LLC. The Reporting Person is voluntarily reporting his proportionate interest in HoldCo LLC's ownership of LTIP Units. The Reporting Person disclaims beneficial ownership other than to the extent of his pecuniary interest.

SEC source: 0001561894-23-000027 · wf-form4_167787970551233.xml · derivative · entry 3

Nickey Susan D · CIK 0001839416 · EVP and Chief Client Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By HASI Management HoldCo LLC

Disclosed balance after: 86,131

Underlying: Common stock, par value $0.01 per share · 55,500 shares

Expires not disclosed

F2 · derivative.exercise_price: 86,131 units of limited partner interest ("OP Units") in Hannon Armstrong Sustainable Infrastructure, LP (the "Partnership") are issuable upon vesting and the conversion of 86,131 long-term incentive plan units ("LTIP Units") in the Partnership. Vested LTIP Units, after achieving parity with OP Units, are eligible to be converted into OP Units (as described in the Partnership's Amended and Restated Agreement of Limited Partnership (the "Partnership Agreement")) on a one-for-one basis upon the satisfaction of conditions set forth in the Partnership Agreement.

F3 · derivative.exercise_price: Upon conversion of LTIP Units into OP Units, the Reporting Person will have the right to cause the Partnership to redeem a portion of the Reporting Person's OP Units for cash in an amount equal to the market value (as defined in the Partnership Agreement) of an equivalent number of shares of common stock, par value $0.01 per share, of Hannon Armstrong Sustainable Infrastructure Capital, Inc. (the "Issuer"),or at the Issuer's option, shares of the Issuer's common stock on a one-for-one basis, subject to certain adjustments.

F2 · derivative.exercise_date: 86,131 units of limited partner interest ("OP Units") in Hannon Armstrong Sustainable Infrastructure, LP (the "Partnership") are issuable upon vesting and the conversion of 86,131 long-term incentive plan units ("LTIP Units") in the Partnership. Vested LTIP Units, after achieving parity with OP Units, are eligible to be converted into OP Units (as described in the Partnership's Amended and Restated Agreement of Limited Partnership (the "Partnership Agreement")) on a one-for-one basis upon the satisfaction of conditions set forth in the Partnership Agreement.

F3 · derivative.exercise_date: Upon conversion of LTIP Units into OP Units, the Reporting Person will have the right to cause the Partnership to redeem a portion of the Reporting Person's OP Units for cash in an amount equal to the market value (as defined in the Partnership Agreement) of an equivalent number of shares of common stock, par value $0.01 per share, of Hannon Armstrong Sustainable Infrastructure Capital, Inc. (the "Issuer"),or at the Issuer's option, shares of the Issuer's common stock on a one-for-one basis, subject to certain adjustments.

F4 · derivative.expiration_date: N/A

F5 · balance_after: Previously included in this total were 2,825 LTIP Units which did not vest, as certain performance targets for the performance period ended December 31, 2022 were not met.

F6 · ownership.nature: These LTIP Units are held by HASI Management HoldCo LLC ("HoldCo LLC"). The Reporting Person is a member of HoldCo LLC. The LTIP Units reported represent only the number of LTIP Units in which the Reporting Person has a pecuniary interest in accordance with his proportionate interest in HoldCo LLC. The Reporting Person is voluntarily reporting his proportionate interest in HoldCo LLC's ownership of LTIP Units. The Reporting Person disclaims beneficial ownership other than to the extent of his pecuniary interest.

SEC source: 0001561894-23-000026 · wf-form4_167787968332852.xml · derivative · entry 3

Rose Nathaniel · CIK 0001574203 · EVP & CIO

10b5-1 filing: Not disclosed

Ownership: Indirect · By HASI Management HoldCo LLC

Disclosed balance after: 253,417

Underlying: Common stock, par value $0.01 per share · 72,000 shares

Expires not disclosed

F2 · derivative.exercise_price: 253,417 units of limited partner interest ("OP Units") in Hannon Armstrong Sustainable Infrastructure, LP (the "Partnership") are issuable upon the vesting and conversion of 253,417 long-term incentive plan units ("LTIP Units") in the Partnership. The LTIP Units were granted to the Reporting Person under the Issuer's 2013 Equity Incentive Plan, as amended, and the Issuer's 2022 Equity Incentive Plan.

F3 · derivative.exercise_price: Vested LTIP Units, after achieving parity with OP Units (as described in the Partnership's Amended and Restated Agreement of Limited Partnership (the "Partnership Agreement")), are eligible to be converted into OP Units on a one-for-one basis upon the satisfaction of conditions set forth in the Partnership Agreement. Upon conversion of LTIP Units into OP Units, the Reporting Person will have the right to cause the Partnership to redeem a portion of the Reporting Person's OP Units for cash in an amount equal to the market value (as defined in the Partnership Agreement) of an equivalent number of shares of common stock, par value $0.01 per share, of Hannon Armstrong Sustainable Infrastructure Capital, Inc. (the "Issuer"), or at the Issuer's option, shares of the Issuer's common stock on a one-for-one basis, subject to certain adjustments.

F2 · derivative.exercise_date: 253,417 units of limited partner interest ("OP Units") in Hannon Armstrong Sustainable Infrastructure, LP (the "Partnership") are issuable upon the vesting and conversion of 253,417 long-term incentive plan units ("LTIP Units") in the Partnership. The LTIP Units were granted to the Reporting Person under the Issuer's 2013 Equity Incentive Plan, as amended, and the Issuer's 2022 Equity Incentive Plan.

F3 · derivative.exercise_date: Vested LTIP Units, after achieving parity with OP Units (as described in the Partnership's Amended and Restated Agreement of Limited Partnership (the "Partnership Agreement")), are eligible to be converted into OP Units on a one-for-one basis upon the satisfaction of conditions set forth in the Partnership Agreement. Upon conversion of LTIP Units into OP Units, the Reporting Person will have the right to cause the Partnership to redeem a portion of the Reporting Person's OP Units for cash in an amount equal to the market value (as defined in the Partnership Agreement) of an equivalent number of shares of common stock, par value $0.01 per share, of Hannon Armstrong Sustainable Infrastructure Capital, Inc. (the "Issuer"), or at the Issuer's option, shares of the Issuer's common stock on a one-for-one basis, subject to certain adjustments.

F4 · derivative.expiration_date: N/A

F5 · balance_after: Previously included in this total were 17,385 LTIP Units which did not vest, as certain performance targets for the performance period ended December 31, 2022 were not met.

F6 · ownership.nature: These LTIP Units are held by HASI Management HoldCo LLC ("HoldCo LLC"). The Reporting Person is a member of HoldCo LLC. The LTIP Units reported represent only the number of LTIP Units in which the Reporting Person has a pecuniary interest in accordance with his proportionate interest in HoldCo LLC. The Reporting Person is voluntarily reporting his proportionate interest in HoldCo LLC's ownership of LTIP Units. The Reporting Person disclaims beneficial ownership other than to the extent of his pecuniary interest.

SEC source: 0001561894-23-000025 · wf-form4_167787964035344.xml · derivative · entry 2

McMahon Daniel K. · CIK 0001645426 · EVP

10b5-1 filing: Not disclosed

Ownership: Indirect · By HASI Management HoldCo LLC

Disclosed balance after: 197,989

Underlying: Common stock, par value $0.01 per share · 51,683 shares

Expires not disclosed

F1 · derivative.exercise_price: 197,989 units of limited partner interest ("OP Units") in Hannon Armstrong Sustainable Infrastructure, LP (the "Partnership") are issuable upon the vesting and conversion of 197,989 long-term incentive plan units ("LTIP Units") in the Partnership. The LTIP Units were granted to the Reporting Person under the Issuer's 2013 Equity Incentive Plan, as amended, and the Issuer's 2022 Equity Incentive Plan.

F2 · derivative.exercise_price: Vested LTIP Units, after achieving parity with OP Units (as described in the Partnership's Amended and Restated Agreement of Limited Partnership (the "Partnership Agreement")), are eligible to be converted into OP Units on a one-for-one basis upon the satisfaction of conditions set forth in the Partnership Agreement. Upon conversion of LTIP Units into OP Units, the Reporting Person will have the right to cause the Partnership to redeem a portion of the Reporting Person's OP Units for cash in an amount equal to the market value (as defined in the Partnership Agreement) of an equivalent number of shares of common stock, par value $0.01 per share, of Hannon Armstrong Sustainable Infrastructure Capital, Inc. (the "Issuer"), or at the Issuer's option, shares of the Issuer's common stock on a one-for-one basis, subject to certain adjustments.

F1 · derivative.exercise_date: 197,989 units of limited partner interest ("OP Units") in Hannon Armstrong Sustainable Infrastructure, LP (the "Partnership") are issuable upon the vesting and conversion of 197,989 long-term incentive plan units ("LTIP Units") in the Partnership. The LTIP Units were granted to the Reporting Person under the Issuer's 2013 Equity Incentive Plan, as amended, and the Issuer's 2022 Equity Incentive Plan.

F2 · derivative.exercise_date: Vested LTIP Units, after achieving parity with OP Units (as described in the Partnership's Amended and Restated Agreement of Limited Partnership (the "Partnership Agreement")), are eligible to be converted into OP Units on a one-for-one basis upon the satisfaction of conditions set forth in the Partnership Agreement. Upon conversion of LTIP Units into OP Units, the Reporting Person will have the right to cause the Partnership to redeem a portion of the Reporting Person's OP Units for cash in an amount equal to the market value (as defined in the Partnership Agreement) of an equivalent number of shares of common stock, par value $0.01 per share, of Hannon Armstrong Sustainable Infrastructure Capital, Inc. (the "Issuer"), or at the Issuer's option, shares of the Issuer's common stock on a one-for-one basis, subject to certain adjustments.

F3 · derivative.expiration_date: N/A

F4 · balance_after: Previously included in this total were 14,535 LTIP Units which did not vest, as certain performance targets for the performance period ended December 31, 2022 were not met.

F5 · ownership.nature: These LTIP Units are held by HASI Management HoldCo LLC ("HoldCo LLC"). The Reporting Person is a member of HoldCo LLC. The LTIP Units reported represent only the number of LTIP Units in which the Reporting Person has a pecuniary interest in accordance with his proportionate interest in HoldCo LLC. The Reporting Person is voluntarily reporting his proportionate interest in HoldCo LLC's ownership of LTIP Units. The Reporting Person disclaims beneficial ownership other than to the extent of his pecuniary interest.

SEC source: 0001561894-22-000097 · wf-form4_166811574037633.xml · nonDerivative · entry 1

ARDISANA LIZABETH A · CIK 0001283890 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 825

SEC source: 0001561894-22-000099 · wf-form4_166813055282871.xml · nonDerivative · entry 1

OSGOOD STEVEN G · CIK 0001306273 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 29,281

SEC source: 0001561894-22-000095 · wf-form4_166802939969480.xml · nonDerivative · entry 1

OSBORNE RICHARD J · CIK 0001236214 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 35,645

SEC source: 0001561894-22-000093 · wf-form4_166802916120578.xml · nonDerivative · entry 1

Lipson Jeffrey · CIK 0001769141 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,737

SEC source: 0001561894-22-000091 · wf-form4_166802896244359.xml · nonDerivative · entry 1

Eckel Jeffrey · CIK 0001574200 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Indirect · By Jeffrey W. Eckel Revocable Trust

Disclosed balance after: 547,807

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $29.05 to $29.54, inclusive, on November 9, 2022. The reporting person undertakes to provide Hannon Armstrong Sustainable Infrastructure Capital, Inc. (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

F2 · balance_after: These shares are held by the Jeffrey W. Eckel Revocable Trust, of which Jeffrey W. Eckel is the sole trustee and beneficiary.

SEC source: 0001561894-22-000089 · wf-form4_166802869511813.xml · nonDerivative · entry 2

Rose Nathaniel · CIK 0001574203 · EVP & CIO

10b5-1 filing: Not disclosed

Ownership: Indirect · By spouse

Disclosed balance after: 3,000

F2 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $29.02 to $29.03, inclusive, on November 9, 2022. The reporting person undertakes to provide Hannon Armstrong Sustainable Infrastructure Capital, Inc. (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

F3 · balance_after: These shares are held by the reporting person's spouse. The reporting person disclaims ownership other than to the extent of his pecuniary interest.

SEC source: 0001561894-22-000089 · wf-form4_166802869511813.xml · nonDerivative · entry 1

Rose Nathaniel · CIK 0001574203 · EVP & CIO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 148,164

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $28.90 to $28.96, inclusive, on November 9, 2022. The reporting person undertakes to provide Hannon Armstrong Sustainable Infrastructure Capital, Inc. (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0001561894-22-000087 · wf-form4_166802844011282.xml · nonDerivative · entry 1

Pangburn Marc T. · CIK 0001839282 · EVP and Co-CIO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 51,571

SEC source: 0001561894-22-000080 · wf-form4_166691329317005.xml · derivative · entry 2

Melko Charles · CIK 0001700743 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By HASI Management HoldCo LLC

Disclosed balance after: 27,679

Underlying: Common stock, par value $0.01 per share · 10,000 shares

Expires not disclosed

F1 · derivative.exercise_price: 27,679 units of limited partner interest ("OP Units") in Hannon Armstrong Sustainable Infrastructure, LP (the "Partnership") are issuable upon the vesting and conversion of 17,679 long-term incentive plan units ("LTIP Units") in the Partnership. The LTIP Units were granted to the Reporting Person under the Issuer's 2013 Equity Incentive Plan, as amended.

F2 · derivative.exercise_price: Vested LTIP Units, after achieving parity with OP Units (as described in the Partnership's Amended and Restated Agreement of Limited Partnership (the "Partnership Agreement")), are eligible to be converted into OP Units on a one-for-one basis upon the satisfaction of conditions set forth in the Partnership Agreement. Upon conversion of LTIP Units into OP Units, the Reporting Person will have the right to cause the Partnership to redeem a portion of the Reporting Person's OP Units for cash in an amount equal to the market value (as defined in the Partnership Agreement) of an equivalent number of shares of common stock, par value $0.01 per share, of Hannon Armstrong Sustainable Infrastructure Capital, Inc. (the "Issuer"), or at the Issuer's option, shares of the Issuer's common stock on a one-for-one basis, subject to certain adjustments.

F1 · derivative.exercise_date: 27,679 units of limited partner interest ("OP Units") in Hannon Armstrong Sustainable Infrastructure, LP (the "Partnership") are issuable upon the vesting and conversion of 17,679 long-term incentive plan units ("LTIP Units") in the Partnership. The LTIP Units were granted to the Reporting Person under the Issuer's 2013 Equity Incentive Plan, as amended.

F2 · derivative.exercise_date: Vested LTIP Units, after achieving parity with OP Units (as described in the Partnership's Amended and Restated Agreement of Limited Partnership (the "Partnership Agreement")), are eligible to be converted into OP Units on a one-for-one basis upon the satisfaction of conditions set forth in the Partnership Agreement. Upon conversion of LTIP Units into OP Units, the Reporting Person will have the right to cause the Partnership to redeem a portion of the Reporting Person's OP Units for cash in an amount equal to the market value (as defined in the Partnership Agreement) of an equivalent number of shares of common stock, par value $0.01 per share, of Hannon Armstrong Sustainable Infrastructure Capital, Inc. (the "Issuer"), or at the Issuer's option, shares of the Issuer's common stock on a one-for-one basis, subject to certain adjustments.

F3 · derivative.expiration_date: N/A

F4 · ownership.nature: These LTIP Units are held by HASI Management HoldCo LLC ("HoldCo LLC"). The Reporting Person is a member of HoldCo LLC. The LTIP Units reported represent only the number of LTIP Units in which the Reporting Person has a pecuniary interest in accordance with his proportionate interest in HoldCo LLC. The Reporting Person is voluntarily reporting his proportionate interest in HoldCo LLC's ownership of LTIP Units. The Reporting Person disclaims beneficial ownership other than to the extent of his pecuniary interest.

SEC source: 0001561894-22-000078 · wf-form4_166629726881041.xml · derivative · entry 1

ARDISANA LIZABETH A · CIK 0001283890 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 993

Underlying: Common stock, par value $0.01 per share · 993 shares

Expires not disclosed

F1 · derivative.exercise_price: 993 units of limited partner interest ("OP Units") in Hannon Armstrong Sustainable Infrastructure, LP (the "Partnership") are issuable upon the vesting and conversion of 993 long-term incentive plan units("LTIP Units") in the Partnership. The LTIP Units were granted to the Reporting Person under the Issuer's 2013 Equity Incentive Plan.

F2 · derivative.exercise_price: Vested LTIP Units, after achieving parity with OP Units (as described in the Partnership's Amended and Restated Agreement of Limited Partnership (the "Partnership Agreement")), are eligible to be converted into OP Units on a one-for-one basis upon the satisfaction of conditions set forth in the Partnership Agreement. Upon conversion of LTIP Units into OP Units, the Reporting Person will have the right to cause the Partnership to redeem a portion of the Reporting Person's OP Units for cash in an amount equal to the market value (as defined in the Partnership Agreement) of an equivalent number of shares of common stock, par value $0.01 per share, of Hannon Armstrong Sustainable Infrastructure Capital, Inc. (the "Issuer"), or at the Issuer's option, shares of the Issuer's common stock on a one-for-one basis, subject to certain adjustments.

F1 · derivative.exercise_date: 993 units of limited partner interest ("OP Units") in Hannon Armstrong Sustainable Infrastructure, LP (the "Partnership") are issuable upon the vesting and conversion of 993 long-term incentive plan units("LTIP Units") in the Partnership. The LTIP Units were granted to the Reporting Person under the Issuer's 2013 Equity Incentive Plan.

F2 · derivative.exercise_date: Vested LTIP Units, after achieving parity with OP Units (as described in the Partnership's Amended and Restated Agreement of Limited Partnership (the "Partnership Agreement")), are eligible to be converted into OP Units on a one-for-one basis upon the satisfaction of conditions set forth in the Partnership Agreement. Upon conversion of LTIP Units into OP Units, the Reporting Person will have the right to cause the Partnership to redeem a portion of the Reporting Person's OP Units for cash in an amount equal to the market value (as defined in the Partnership Agreement) of an equivalent number of shares of common stock, par value $0.01 per share, of Hannon Armstrong Sustainable Infrastructure Capital, Inc. (the "Issuer"), or at the Issuer's option, shares of the Issuer's common stock on a one-for-one basis, subject to certain adjustments.

F3 · derivative.expiration_date: N/A

SEC source: 0001561894-22-000071 · wf-form4_166145859136577.xml · nonDerivative · entry 1

Pangburn Marc T. · CIK 0001839282 · EVP and Co-CIO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 49,071

SEC source: 0001561894-22-000069 · wf-form4_166068059806622.xml · nonDerivative · entry 1

Eckel Jeffrey · CIK 0001574200 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Indirect · By Jeffrey W. Eckel Revocable Trust

Disclosed balance after: 537,807

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $43.72 to $43.78, inclusive, on August 12, 2022. The reporting person undertakes to provide Hannon Armstrong Sustainable Infrastructure Capital, Inc. (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

F2 · balance_after: These shares are held by the Jeffrey W. Eckel Revocable Trust, of which Jeffrey W. Eckel is the sole trustee and beneficiary.

SEC source: 0001561894-22-000049 · wf-form4_165273594736231.xml · nonDerivative · entry 1

Lipson Jeffrey · CIK 0001769141 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,737

F1 · shares: Consists of shares of Common Stock withheld by the issuer, with approval of the issuer's Board of Directors, in order to satisfy the tax withholding obligation of the reporting person in connection with the vesting of 13,526 shares of Common Stock.

F2 · price: Represents the closing price of the Common Stock on May 13, 2022, the first trading day on or prior to the vesting date.

SEC source: 0001561894-22-000051 · wf-form4_165274143568210.xml · nonDerivative · entry 1

Eckel Jeffrey · CIK 0001574200 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Indirect · By Jeffrey W. Eckel Revocable Trust

Disclosed balance after: 535,507

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $37.03 to $37.62, inclusive, on May 13, 2022. The reporting person undertakes to provide Hannon Armstrong Sustainable Infrastructure Capital, Inc. (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

F2 · balance_after: These shares are held by the Jeffrey W. Eckel Revocable Trust, of which Jeffrey W. Eckel is the sole trustee and beneficiary.

SEC source: 0001561894-22-000049 · wf-form4_165273594736231.xml · nonDerivative · entry 2

Lipson Jeffrey · CIK 0001769141 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,737

SEC source: 0001561894-22-000025 · wf-form4_164850996112143.xml · derivative · entry 2

Lipson Jeffrey · CIK 0001769141 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By HASI Management HoldCo LLC

Disclosed balance after: 133,876

Underlying: Common stock, par value $0.01 per share · 38,626 shares

Expires not disclosed

F1 · derivative.exercise_price: 133,876 units of limited partner interest ("OP Units") in Hannon Armstrong Sustainable Infrastructure, LP (the "Partnership") are issuable upon the vesting and conversion of 133,876 long-term incentive plan units ("LTIP Units") in the Partnership. The LTIP Units were granted to the Reporting Person under the Issuer's 2013 Equity Incentive Plan, as amended.

F2 · derivative.exercise_price: Vested LTIP Units, after achieving parity with OP Units (as described in the Partnership's Amended and Restated Agreement of Limited Partnership (the "Partnership Agreement")), are eligible to be converted into OP Units on a one-for-one basis upon the satisfaction of conditions set forth in the Partnership Agreement. Upon conversion of LTIP Units into OP Units, the Reporting Person will have the right to cause the Partnership to redeem a portion of the Reporting Person's OP Units for cash in an amount equal to the market value (as defined in the Partnership Agreement) of an equivalent number of shares of common stock, par value $0.01 per share, of Hannon Armstrong Sustainable Infrastructure Capital, Inc. (the "Issuer"), or at the Issuer's option, shares of the Issuer's common stock on a one-for-one basis, subject to certain adjustments.

F1 · derivative.exercise_date: 133,876 units of limited partner interest ("OP Units") in Hannon Armstrong Sustainable Infrastructure, LP (the "Partnership") are issuable upon the vesting and conversion of 133,876 long-term incentive plan units ("LTIP Units") in the Partnership. The LTIP Units were granted to the Reporting Person under the Issuer's 2013 Equity Incentive Plan, as amended.

F2 · derivative.exercise_date: Vested LTIP Units, after achieving parity with OP Units (as described in the Partnership's Amended and Restated Agreement of Limited Partnership (the "Partnership Agreement")), are eligible to be converted into OP Units on a one-for-one basis upon the satisfaction of conditions set forth in the Partnership Agreement. Upon conversion of LTIP Units into OP Units, the Reporting Person will have the right to cause the Partnership to redeem a portion of the Reporting Person's OP Units for cash in an amount equal to the market value (as defined in the Partnership Agreement) of an equivalent number of shares of common stock, par value $0.01 per share, of Hannon Armstrong Sustainable Infrastructure Capital, Inc. (the "Issuer"), or at the Issuer's option, shares of the Issuer's common stock on a one-for-one basis, subject to certain adjustments.

F3 · derivative.expiration_date: N/A

F4 · ownership.nature: These LTIP Units are held by HASI Management HoldCo LLC ("HoldCo LLC"). The Reporting Person is a member of HoldCo LLC. The LTIP Units reported represent only the number of LTIP Units in which the Reporting Person has a pecuniary interest in accordance with his proportionate interest in HoldCo LLC. The Reporting Person is voluntarily reporting his proportionate interest in HoldCo LLC's ownership of LTIP Units. The Reporting Person disclaims beneficial ownership other than to the extent of his pecuniary interest.

SEC source: 0001561894-22-000024 · wf-form4_164850042078351.xml · derivative · entry 3

Chuslo Steven · CIK 0001574201 · EVP AND CHIEF LEGAL OFFICER

10b5-1 filing: Not disclosed

Ownership: Indirect · By HASI Management HoldCo LLC

Disclosed balance after: 154,753

Underlying: Common stock, par value $0.01 per share · 24,791 shares

Expires not disclosed

F2 · derivative.exercise_price: 154,753 units of limited partner interest ("OP Units") in Hannon Armstrong Sustainable Infrastructure, LP (the "Partnership") are issuable upon the vesting and conversion of 154,753 long-term incentive plan units ("LTIP Units") in the Partnership. The LTIP Units were granted to the Reporting Person under the Issuer's 2013 Equity Incentive Plan, as amended.

F3 · derivative.exercise_price: Vested LTIP Units, after achieving parity with OP Units (as described in the Partnership's Amended and Restated Agreement of Limited Partnership (the "Partnership Agreement")), are eligible to be converted into OP Units on a one-for-one basis upon the satisfaction of conditions set forth in the Partnership Agreement. Upon conversion of LTIP Units into OP Units, the Reporting Person will have the right to cause the Partnership to redeem a portion of the Reporting Person's OP Units for cash in an amount equal to the market value (as defined in the Partnership Agreement) of an equivalent number of shares of common stock, par value $0.01 per share, of Hannon Armstrong Sustainable Infrastructure Capital, Inc. (the "Issuer"), or at the Issuer's option, shares of the Issuer's common stock on a one-for-one basis, subject to certain adjustments.

F2 · derivative.exercise_date: 154,753 units of limited partner interest ("OP Units") in Hannon Armstrong Sustainable Infrastructure, LP (the "Partnership") are issuable upon the vesting and conversion of 154,753 long-term incentive plan units ("LTIP Units") in the Partnership. The LTIP Units were granted to the Reporting Person under the Issuer's 2013 Equity Incentive Plan, as amended.

F3 · derivative.exercise_date: Vested LTIP Units, after achieving parity with OP Units (as described in the Partnership's Amended and Restated Agreement of Limited Partnership (the "Partnership Agreement")), are eligible to be converted into OP Units on a one-for-one basis upon the satisfaction of conditions set forth in the Partnership Agreement. Upon conversion of LTIP Units into OP Units, the Reporting Person will have the right to cause the Partnership to redeem a portion of the Reporting Person's OP Units for cash in an amount equal to the market value (as defined in the Partnership Agreement) of an equivalent number of shares of common stock, par value $0.01 per share, of Hannon Armstrong Sustainable Infrastructure Capital, Inc. (the "Issuer"), or at the Issuer's option, shares of the Issuer's common stock on a one-for-one basis, subject to certain adjustments.

F4 · derivative.expiration_date: N/A

F5 · ownership.nature: These LTIP Units are held by HASI Management HoldCo LLC ("HoldCo LLC"). The Reporting Person is a member of HoldCo LLC. The LTIP Units reported represent only the number of LTIP Units in which the Reporting Person has a pecuniary interest in accordance with his proportionate interest in HoldCo LLC. The Reporting Person is voluntarily reporting his proportionate interest in HoldCo LLC's ownership of LTIP Units. The Reporting Person disclaims beneficial ownership other than to the extent of his pecuniary interest.

SEC source: 0001561894-22-000023 · wf-form4_164849889008049.xml · derivative · entry 2

Rose Nathaniel · CIK 0001574203 · EVP & CIO

10b5-1 filing: Not disclosed

Ownership: Indirect · By HASI Management HoldCo LLC

Disclosed balance after: 198,802

Underlying: Common stock, par value $0.01 per share · 38,226 shares

Expires not disclosed

F1 · derivative.exercise_price: 198,802 units of limited partner interest ("OP Units") in Hannon Armstrong Sustainable Infrastructure, LP (the "Partnership") are issuable upon the vesting and conversion of 198,802 long-term incentive plan units ("LTIP Units") in the Partnership. The LTIP Units were granted to the Reporting Person under the Issuer's 2013 Equity Incentive Plan, as amended.

F2 · derivative.exercise_price: Vested LTIP Units, after achieving parity with OP Units (as described in the Partnership's Amended and Restated Agreement of Limited Partnership (the "Partnership Agreement")), are eligible to be converted into OP Units on a one-for-one basis upon the satisfaction of conditions set forth in the Partnership Agreement. Upon conversion of LTIP Units into OP Units, the Reporting Person will have the right to cause the Partnership to redeem a portion of the Reporting Person's OP Units for cash in an amount equal to the market value (as defined in the Partnership Agreement) of an equivalent number of shares of common stock, par value $0.01 per share, of Hannon Armstrong Sustainable Infrastructure Capital, Inc. (the "Issuer"), or at the Issuer's option, shares of the Issuer's common stock on a one-for-one basis, subject to certain adjustments.

F1 · derivative.exercise_date: 198,802 units of limited partner interest ("OP Units") in Hannon Armstrong Sustainable Infrastructure, LP (the "Partnership") are issuable upon the vesting and conversion of 198,802 long-term incentive plan units ("LTIP Units") in the Partnership. The LTIP Units were granted to the Reporting Person under the Issuer's 2013 Equity Incentive Plan, as amended.

F2 · derivative.exercise_date: Vested LTIP Units, after achieving parity with OP Units (as described in the Partnership's Amended and Restated Agreement of Limited Partnership (the "Partnership Agreement")), are eligible to be converted into OP Units on a one-for-one basis upon the satisfaction of conditions set forth in the Partnership Agreement. Upon conversion of LTIP Units into OP Units, the Reporting Person will have the right to cause the Partnership to redeem a portion of the Reporting Person's OP Units for cash in an amount equal to the market value (as defined in the Partnership Agreement) of an equivalent number of shares of common stock, par value $0.01 per share, of Hannon Armstrong Sustainable Infrastructure Capital, Inc. (the "Issuer"), or at the Issuer's option, shares of the Issuer's common stock on a one-for-one basis, subject to certain adjustments.

F3 · derivative.expiration_date: N/A

F4 · ownership.nature: These LTIP Units are held by HASI Management HoldCo LLC ("HoldCo LLC"). The Reporting Person is a member of HoldCo LLC. The LTIP Units reported represent only the number of LTIP Units in which the Reporting Person has a pecuniary interest in accordance with his proportionate interest in HoldCo LLC. The Reporting Person is voluntarily reporting his proportionate interest in HoldCo LLC's ownership of LTIP Units. The Reporting Person disclaims beneficial ownership other than to the extent of his pecuniary interest.

SEC source: 0001561894-22-000022 · wf-form4_164849867240609.xml · derivative · entry 2

McMahon Daniel K. · CIK 0001645426 · EVP

10b5-1 filing: Not disclosed

Ownership: Indirect · By HASI Management HoldCo LLC

Disclosed balance after: 160,841

Underlying: Common stock, par value $0.01 per share · 27,748 shares

Expires not disclosed

F1 · derivative.exercise_price: 160,841 units of limited partner interest ("OP Units") in Hannon Armstrong Sustainable Infrastructure, LP (the "Partnership") are issuable upon the vesting and conversion of 160,841 long-term incentive plan units ("LTIP Units") in the Partnership. The LTIP Units were granted to the Reporting Person under the Issuer's 2013 Equity Incentive Plan, as amended.

F2 · derivative.exercise_price: Vested LTIP Units, after achieving parity with OP Units (as described in the Partnership's Amended and Restated Agreement of Limited Partnership (the "Partnership Agreement")), are eligible to be converted into OP Units on a one-for-one basis upon the satisfaction of conditions set forth in the Partnership Agreement. Upon conversion of LTIP Units into OP Units, the Reporting Person will have the right to cause the Partnership to redeem a portion of the Reporting Person's OP Units for cash in an amount equal to the market value (as defined in the Partnership Agreement) of an equivalent number of shares of common stock, par value $0.01 per share, of Hannon Armstrong Sustainable Infrastructure Capital, Inc. (the "Issuer"), or at the Issuer's option, shares of the Issuer's common stock on a one-for-one basis, subject to certain adjustments.

F1 · derivative.exercise_date: 160,841 units of limited partner interest ("OP Units") in Hannon Armstrong Sustainable Infrastructure, LP (the "Partnership") are issuable upon the vesting and conversion of 160,841 long-term incentive plan units ("LTIP Units") in the Partnership. The LTIP Units were granted to the Reporting Person under the Issuer's 2013 Equity Incentive Plan, as amended.

F2 · derivative.exercise_date: Vested LTIP Units, after achieving parity with OP Units (as described in the Partnership's Amended and Restated Agreement of Limited Partnership (the "Partnership Agreement")), are eligible to be converted into OP Units on a one-for-one basis upon the satisfaction of conditions set forth in the Partnership Agreement. Upon conversion of LTIP Units into OP Units, the Reporting Person will have the right to cause the Partnership to redeem a portion of the Reporting Person's OP Units for cash in an amount equal to the market value (as defined in the Partnership Agreement) of an equivalent number of shares of common stock, par value $0.01 per share, of Hannon Armstrong Sustainable Infrastructure Capital, Inc. (the "Issuer"), or at the Issuer's option, shares of the Issuer's common stock on a one-for-one basis, subject to certain adjustments.

F3 · derivative.expiration_date: N/A

F4 · ownership.nature: These LTIP Units are held by HASI Management HoldCo LLC ("HoldCo LLC"). The Reporting Person is a member of HoldCo LLC. The LTIP Units reported represent only the number of LTIP Units in which the Reporting Person has a pecuniary interest in accordance with his proportionate interest in HoldCo LLC. The Reporting Person is voluntarily reporting his proportionate interest in HoldCo LLC's ownership of LTIP Units. The Reporting Person disclaims beneficial ownership other than to the extent of his pecuniary interest.

SEC source: 0001561894-22-000021 · wf-form4_164849856438027.xml · derivative · entry 2

Nickey Susan D · CIK 0001839416 · EVP and Chief Client Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By HASI Management HoldCo LLC

Disclosed balance after: 61,130

Underlying: Common stock, par value $0.01 per share · 27,748 shares

Expires not disclosed

F1 · derivative.exercise_price: 61,130 units of limited partner interest ("OP Units") in Hannon Armstrong Sustainable Infrastructure, LP (the "Partnership") are issuable upon the vesting and conversion of 61,130 long-term incentive plan units ("LTIP Units") in the Partnership. The LTIP Units were granted to the Reporting Person under the Issuer's 2013 Equity Incentive Plan, as amended.

F2 · derivative.exercise_price: Vested LTIP Units, after achieving parity with OP Units (as described in the Partnership's Amended and Restated Agreement of Limited Partnership (the "Partnership Agreement")), are eligible to be converted into OP Units on a one-for-one basis upon the satisfaction of conditions set forth in the Partnership Agreement. Upon conversion of LTIP Units into OP Units, the Reporting Person will have the right to cause the Partnership to redeem a portion of the Reporting Person's OP Units for cash in an amount equal to the market value (as defined in the Partnership Agreement) of an equivalent number of shares of common stock, par value $0.01 per share, of Hannon Armstrong Sustainable Infrastructure Capital, Inc. (the "Issuer"), or at the Issuer's option, shares of the Issuer's common stock on a one-for-one basis, subject to certain adjustments.

F1 · derivative.exercise_date: 61,130 units of limited partner interest ("OP Units") in Hannon Armstrong Sustainable Infrastructure, LP (the "Partnership") are issuable upon the vesting and conversion of 61,130 long-term incentive plan units ("LTIP Units") in the Partnership. The LTIP Units were granted to the Reporting Person under the Issuer's 2013 Equity Incentive Plan, as amended.

F2 · derivative.exercise_date: Vested LTIP Units, after achieving parity with OP Units (as described in the Partnership's Amended and Restated Agreement of Limited Partnership (the "Partnership Agreement")), are eligible to be converted into OP Units on a one-for-one basis upon the satisfaction of conditions set forth in the Partnership Agreement. Upon conversion of LTIP Units into OP Units, the Reporting Person will have the right to cause the Partnership to redeem a portion of the Reporting Person's OP Units for cash in an amount equal to the market value (as defined in the Partnership Agreement) of an equivalent number of shares of common stock, par value $0.01 per share, of Hannon Armstrong Sustainable Infrastructure Capital, Inc. (the "Issuer"), or at the Issuer's option, shares of the Issuer's common stock on a one-for-one basis, subject to certain adjustments.

F3 · derivative.expiration_date: N/A

F4 · ownership.nature: These LTIP Units are held by HASI Management HoldCo LLC ("HoldCo LLC"). The Reporting Person is a member of HoldCo LLC. The LTIP Units reported represent only the number of LTIP Units in which the Reporting Person has a pecuniary interest in accordance with his proportionate interest in HoldCo LLC. The Reporting Person is voluntarily reporting his proportionate interest in HoldCo LLC's ownership of LTIP Units. The Reporting Person disclaims beneficial ownership other than to the extent of his pecuniary interest.

SEC source: 0001561894-22-000019 · wf-form4_164849827939227.xml · derivative · entry 2

Melko Charles · CIK 0001700743 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By HASI Management HoldCo LLC

Disclosed balance after: 17,679

Underlying: Common stock, par value $0.01 per share · 5,495 shares

Expires not disclosed

F1 · derivative.exercise_price: 17,679 units of limited partner interest ("OP Units") in Hannon Armstrong Sustainable Infrastructure, LP (the "Partnership") are issuable upon the vesting and conversion of 17,679 long-term incentive plan units ("LTIP Units") in the Partnership. The LTIP Units were granted to the Reporting Person under the Issuer's 2013 Equity Incentive Plan, as amended.

F2 · derivative.exercise_price: Vested LTIP Units, after achieving parity with OP Units (as described in the Partnership's Amended and Restated Agreement of Limited Partnership (the "Partnership Agreement")), are eligible to be converted into OP Units on a one-for-one basis upon the satisfaction of conditions set forth in the Partnership Agreement. Upon conversion of LTIP Units into OP Units, the Reporting Person will have the right to cause the Partnership to redeem a portion of the Reporting Person's OP Units for cash in an amount equal to the market value (as defined in the Partnership Agreement) of an equivalent number of shares of common stock, par value $0.01 per share, of Hannon Armstrong Sustainable Infrastructure Capital, Inc. (the "Issuer"), or at the Issuer's option, shares of the Issuer's common stock on a one-for-one basis, subject to certain adjustments.

F1 · derivative.exercise_date: 17,679 units of limited partner interest ("OP Units") in Hannon Armstrong Sustainable Infrastructure, LP (the "Partnership") are issuable upon the vesting and conversion of 17,679 long-term incentive plan units ("LTIP Units") in the Partnership. The LTIP Units were granted to the Reporting Person under the Issuer's 2013 Equity Incentive Plan, as amended.

F2 · derivative.exercise_date: Vested LTIP Units, after achieving parity with OP Units (as described in the Partnership's Amended and Restated Agreement of Limited Partnership (the "Partnership Agreement")), are eligible to be converted into OP Units on a one-for-one basis upon the satisfaction of conditions set forth in the Partnership Agreement. Upon conversion of LTIP Units into OP Units, the Reporting Person will have the right to cause the Partnership to redeem a portion of the Reporting Person's OP Units for cash in an amount equal to the market value (as defined in the Partnership Agreement) of an equivalent number of shares of common stock, par value $0.01 per share, of Hannon Armstrong Sustainable Infrastructure Capital, Inc. (the "Issuer"), or at the Issuer's option, shares of the Issuer's common stock on a one-for-one basis, subject to certain adjustments.

F3 · derivative.expiration_date: N/A

F4 · ownership.nature: These LTIP Units are held by HASI Management HoldCo LLC ("HoldCo LLC"). The Reporting Person is a member of HoldCo LLC. The LTIP Units reported represent only the number of LTIP Units in which the Reporting Person has a pecuniary interest in accordance with his proportionate interest in HoldCo LLC. The Reporting Person is voluntarily reporting his proportionate interest in HoldCo LLC's ownership of LTIP Units. The Reporting Person disclaims beneficial ownership other than to the extent of his pecuniary interest.

SEC source: 0001561894-22-000020 · wf-form4_164849837939331.xml · derivative · entry 2

Pangburn Marc T. · CIK 0001839282 · EVP and Co-CIO

10b5-1 filing: Not disclosed

Ownership: Indirect · By HASI Management HoldCo, LLC

Disclosed balance after: 60,250

Underlying: Common stock, par value $0.01 per share · 27,748 shares

Expires not disclosed

F1 · derivative.exercise_price: 60,250 units of limited partner interest ("OP Units") in Hannon Armstrong Sustainable Infrastructure, LP (the "Partnership") are issuable upon the vesting and conversion of 60,250 long-term incentive plan units ("LTIP Units") in the Partnership. The LTIP Units were granted to the Reporting Person under the Issuer's 2013 Equity Incentive Plan, as amended.

F2 · derivative.exercise_price: Vested LTIP Units, after achieving parity with OP Units (as described in the Partnership's Amended and Restated Agreement of Limited Partnership (the "Partnership Agreement")), are eligible to be converted into OP Units on a one-for-one basis upon the satisfaction of conditions set forth in the Partnership Agreement. Upon conversion of LTIP Units into OP Units, the Reporting Person will have the right to cause the Partnership to redeem a portion of the Reporting Person's OP Units for cash in an amount equal to the market value (as defined in the Partnership Agreement) of an equivalent number of shares of common stock, par value $0.01 per share, of Hannon Armstrong Sustainable Infrastructure Capital, Inc. (the "Issuer"), or at the Issuer's option, shares of the Issuer's common stock on a one-for-one basis, subject to certain adjustments.

F1 · derivative.exercise_date: 60,250 units of limited partner interest ("OP Units") in Hannon Armstrong Sustainable Infrastructure, LP (the "Partnership") are issuable upon the vesting and conversion of 60,250 long-term incentive plan units ("LTIP Units") in the Partnership. The LTIP Units were granted to the Reporting Person under the Issuer's 2013 Equity Incentive Plan, as amended.

F2 · derivative.exercise_date: Vested LTIP Units, after achieving parity with OP Units (as described in the Partnership's Amended and Restated Agreement of Limited Partnership (the "Partnership Agreement")), are eligible to be converted into OP Units on a one-for-one basis upon the satisfaction of conditions set forth in the Partnership Agreement. Upon conversion of LTIP Units into OP Units, the Reporting Person will have the right to cause the Partnership to redeem a portion of the Reporting Person's OP Units for cash in an amount equal to the market value (as defined in the Partnership Agreement) of an equivalent number of shares of common stock, par value $0.01 per share, of Hannon Armstrong Sustainable Infrastructure Capital, Inc. (the "Issuer"), or at the Issuer's option, shares of the Issuer's common stock on a one-for-one basis, subject to certain adjustments.

F3 · derivative.expiration_date: N/A

F4 · ownership.nature: These LTIP Units are held by HASI Management HoldCo LLC ("HoldCo LLC"). The Reporting Person is a member of HoldCo LLC. The LTIP Units reported represent only the number of LTIP Units in which the Reporting Person has a pecuniary interest in accordance with his proportionate interest in HoldCo LLC. The Reporting Person is voluntarily reporting his proportionate interest in HoldCo LLC's ownership of LTIP Units. The Reporting Person disclaims beneficial ownership other than to the extent of his pecuniary interest.

SEC source: 0001561894-22-000026 · wf-form4_164858872198488.xml · derivative · entry 2

LAGOMARSINO SIMONE · CIK 0001084960 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,103

Underlying: Common stock, par value $0.01 per share · 2,497 shares

Expires not disclosed

F1 · derivative.exercise_price: 12,103 units of limited partner interest ("OP Units") in Hannon Armstrong Sustainable Infrastructure, LP (the "Partnership") are issuable upon vesting and the conversion of 12,103 long-term incentive plan units ("LTIP Units") in the Partnership. Vested LTIP Units, after achieving parity with OP Units, are eligible to be converted into OP Units (as described in the Partnership's Amended and Restated Agreement of Limited Partnership (the "Partnership Agreement")) on a one-for-one basis upon the satisfaction of conditions set forth in the Partnership Agreement.

F2 · derivative.exercise_price: Upon conversion of LTIP Units into OP Units, the Reporting Person will have the right to cause the Partnership to redeem a portion of the Reporting Person's OP Units for cash in an amount equal to the market value (as defined in the Partnership Agreement) of an equivalent number of shares of common stock, par value $0.01 per share, of Hannon Armstrong Sustainable Infrastructure Capital, Inc. (the "Issuer"), or at the Issuer's option, shares of the Issuer's common stock on a one-for-one basis, subject to certain adjustments.

F1 · derivative.exercise_date: 12,103 units of limited partner interest ("OP Units") in Hannon Armstrong Sustainable Infrastructure, LP (the "Partnership") are issuable upon vesting and the conversion of 12,103 long-term incentive plan units ("LTIP Units") in the Partnership. Vested LTIP Units, after achieving parity with OP Units, are eligible to be converted into OP Units (as described in the Partnership's Amended and Restated Agreement of Limited Partnership (the "Partnership Agreement")) on a one-for-one basis upon the satisfaction of conditions set forth in the Partnership Agreement.

F2 · derivative.exercise_date: Upon conversion of LTIP Units into OP Units, the Reporting Person will have the right to cause the Partnership to redeem a portion of the Reporting Person's OP Units for cash in an amount equal to the market value (as defined in the Partnership Agreement) of an equivalent number of shares of common stock, par value $0.01 per share, of Hannon Armstrong Sustainable Infrastructure Capital, Inc. (the "Issuer"), or at the Issuer's option, shares of the Issuer's common stock on a one-for-one basis, subject to certain adjustments.

F3 · derivative.expiration_date: N/A

SEC source: 0001561894-22-000031 · wf-form4_164859066191108.xml · derivative · entry 1

Armbrister Clarence D · CIK 0001850745 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,577

Underlying: Common stock, par value $0.01 per share · 2,497 shares

Expires not disclosed

F1 · derivative.exercise_price: 4,577 units of limited partner interest ("OP Units") in Hannon Armstrong Sustainable Infrastructure, LP (the "Partnership") are issuable upon vesting and the conversion of 4,577 long-term incentive plan units ("LTIP Units") in the Partnership. Vested LTIP Units, after achieving parity with OP Units, are eligible to be converted into OP Units (as described in the Partnership's Amended and Restated Agreement of Limited Partnership (the "Partnership Agreement")) on a one-for-one basis upon the satisfaction of conditions set forth in the Partnership Agreement.

F2 · derivative.exercise_price: Upon conversion of LTIP Units into OP Units, the Reporting Person will have the right to cause the Partnership to redeem a portion of the Reporting Person's OP Units for cash in an amount equal to themarket value (as defined in the Partnership Agreement) of an equivalent number of shares of common stock, par value $0.01 per share, of Hannon Armstrong Sustainable Infrastructure Capital, Inc. (the "Issuer"),or at the Issuer's option, shares of the Issuer's common stock on a one-for-one basis, subject to certain adjustments.

F1 · derivative.exercise_date: 4,577 units of limited partner interest ("OP Units") in Hannon Armstrong Sustainable Infrastructure, LP (the "Partnership") are issuable upon vesting and the conversion of 4,577 long-term incentive plan units ("LTIP Units") in the Partnership. Vested LTIP Units, after achieving parity with OP Units, are eligible to be converted into OP Units (as described in the Partnership's Amended and Restated Agreement of Limited Partnership (the "Partnership Agreement")) on a one-for-one basis upon the satisfaction of conditions set forth in the Partnership Agreement.

F2 · derivative.exercise_date: Upon conversion of LTIP Units into OP Units, the Reporting Person will have the right to cause the Partnership to redeem a portion of the Reporting Person's OP Units for cash in an amount equal to themarket value (as defined in the Partnership Agreement) of an equivalent number of shares of common stock, par value $0.01 per share, of Hannon Armstrong Sustainable Infrastructure Capital, Inc. (the "Issuer"),or at the Issuer's option, shares of the Issuer's common stock on a one-for-one basis, subject to certain adjustments.

F3 · derivative.expiration_date: N/A

SEC source: 0001561894-22-000027 · wf-form4_164858884991624.xml · derivative · entry 2

Brenner Teresa · CIK 0001671844 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,813

Underlying: Common stock, par value $0.01 per share · 2,497 shares

Expires not disclosed

F1 · derivative.exercise_price: 11,813 units of limited partner interest ("OP Units") in Hannon Armstrong Sustainable Infrastructure, LP (the "Partnership") are issuable upon vesting and the conversion of 11,813 long-term incentive plan units ("LTIP Units") in the Partnership. Vested LTIP Units, after achieving parity with OP Units, are eligible to be converted into OP Units (as described in the Partnership's Amended and Restated Agreement of Limited Partnership (the "Partnership Agreement")) on a one-for-one basis upon the satisfaction of conditions set forth in the Partnership Agreement.

F2 · derivative.exercise_price: Upon conversion of LTIP Units into OP Units, the Reporting Person will have the right to cause the Partnership to redeem a portion of the Reporting Person's OP Units for cash in an amount equal to the market value (as defined in the Partnership Agreement) of an equivalent number of shares of common stock, par value $0.01 per share, of Hannon Armstrong Sustainable Infrastructure Capital, Inc. (the "Issuer"),or at the Issuer's option, shares of the Issuer's common stock on a one-for-one basis, subject to certain adjustments.

F1 · derivative.exercise_date: 11,813 units of limited partner interest ("OP Units") in Hannon Armstrong Sustainable Infrastructure, LP (the "Partnership") are issuable upon vesting and the conversion of 11,813 long-term incentive plan units ("LTIP Units") in the Partnership. Vested LTIP Units, after achieving parity with OP Units, are eligible to be converted into OP Units (as described in the Partnership's Amended and Restated Agreement of Limited Partnership (the "Partnership Agreement")) on a one-for-one basis upon the satisfaction of conditions set forth in the Partnership Agreement.

F2 · derivative.exercise_date: Upon conversion of LTIP Units into OP Units, the Reporting Person will have the right to cause the Partnership to redeem a portion of the Reporting Person's OP Units for cash in an amount equal to the market value (as defined in the Partnership Agreement) of an equivalent number of shares of common stock, par value $0.01 per share, of Hannon Armstrong Sustainable Infrastructure Capital, Inc. (the "Issuer"),or at the Issuer's option, shares of the Issuer's common stock on a one-for-one basis, subject to certain adjustments.

F3 · derivative.expiration_date: N/A

SEC source: 0001561894-22-000032 · wf-form4_164859077672635.xml · derivative · entry 1

OSBORNE RICHARD J · CIK 0001236214 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,813

Underlying: Common stock, par value $0.01 per share · 2,497 shares

Expires not disclosed

F1 · derivative.exercise_price: 11,813 units of limited partner interest ("OP Units") in Hannon Armstrong Sustainable Infrastructure, LP (the "Partnership") are issuable upon vesting and the conversion of 11,813 long-term incentive plan units ("LTIP Units") in the Partnership. Vested LTIP Units, after achieving parity with OP Units, are eligible to be converted into OP Units (as described in the Partnership's Amended and Restated Agreement of Limited Partnership (the "Partnership Agreement")) on a one-for-one basis upon the satisfaction of conditions set forth in the Partnership Agreement.

F2 · derivative.exercise_price: Upon conversion of LTIP Units into OP Units, the Reporting Person will have the right to cause the Partnership to redeem a portion of the Reporting Person's OP Units for cash in an amount equal to the market value (as defined in the Partnership Agreement) of an equivalent number of shares of common stock, par value $0.01 per share, of Hannon Armstrong Sustainable Infrastructure Capital, Inc. (the "Issuer"), or at the Issuer's option, shares of the Issuer's common stock on a one-for-one basis, subject to certain adjustments.

F1 · derivative.exercise_date: 11,813 units of limited partner interest ("OP Units") in Hannon Armstrong Sustainable Infrastructure, LP (the "Partnership") are issuable upon vesting and the conversion of 11,813 long-term incentive plan units ("LTIP Units") in the Partnership. Vested LTIP Units, after achieving parity with OP Units, are eligible to be converted into OP Units (as described in the Partnership's Amended and Restated Agreement of Limited Partnership (the "Partnership Agreement")) on a one-for-one basis upon the satisfaction of conditions set forth in the Partnership Agreement.

F3 · derivative.expiration_date: N/A

SEC source: 0001561894-22-000034 · wf-form4_164859284862710.xml · derivative · entry 2

OSGOOD STEVEN G · CIK 0001306273 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,346

Underlying: Common stock, par value $0.01 per share · 5,099 shares

Expires not disclosed

F1 · derivative.exercise_price: 9,346 units of limited partner interest ("OP Units") in Hannon Armstrong Sustainable Infrastructure, LP (the "Partnership") are issuable upon vesting and the conversion of 9,346 long-term incentive plan units ("LTIP Units") in the Partnership. Vested LTIP Units, after achieving parity with OP Units, are eligible to be converted into OP Units (as described in the Partnership's Amended and Restated Agreement of Limited Partnership (the "Partnership Agreement")) on a one-for-one basis upon the satisfaction of conditions set forth in the Partnership Agreement.

F2 · derivative.exercise_price: Upon conversion of LTIP Units into OP Units, the Reporting Person will have the right to cause the Partnership to redeem a portion of the Reporting Person's OP Units for cash in an amount equal to the market value (as defined in the Partnership Agreement) of an equivalent number of shares of common stock, par value $0.01 per share, of Hannon Armstrong Sustainable Infrastructure Capital, Inc. (the "Issuer"),or at the Issuer's option, shares of the Issuer's common stock on a one-for-one basis, subject to certain adjustments.

F1 · derivative.exercise_date: 9,346 units of limited partner interest ("OP Units") in Hannon Armstrong Sustainable Infrastructure, LP (the "Partnership") are issuable upon vesting and the conversion of 9,346 long-term incentive plan units ("LTIP Units") in the Partnership. Vested LTIP Units, after achieving parity with OP Units, are eligible to be converted into OP Units (as described in the Partnership's Amended and Restated Agreement of Limited Partnership (the "Partnership Agreement")) on a one-for-one basis upon the satisfaction of conditions set forth in the Partnership Agreement.

F2 · derivative.exercise_date: Upon conversion of LTIP Units into OP Units, the Reporting Person will have the right to cause the Partnership to redeem a portion of the Reporting Person's OP Units for cash in an amount equal to the market value (as defined in the Partnership Agreement) of an equivalent number of shares of common stock, par value $0.01 per share, of Hannon Armstrong Sustainable Infrastructure Capital, Inc. (the "Issuer"),or at the Issuer's option, shares of the Issuer's common stock on a one-for-one basis, subject to certain adjustments.

F3 · derivative.expiration_date: N/A

SEC source: 0001561894-22-000029 · wf-form4_164858923998832.xml · derivative · entry 1

Floyd Nancy C · CIK 0001522601 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,577

Underlying: Common stock, par value $0.01 per share · 2,497 shares

Expires not disclosed

F1 · derivative.exercise_price: 4,577 units of limited partner interest ("OP Units") in Hannon Armstrong Sustainable Infrastructure, LP (the "Partnership") are issuable upon vesting and the conversion of 4,577 long-term incentive plan units ("LTIP Units") in the Partnership. Vested LTIP Units, after achieving parity with OP Units, are eligible to be converted into OP Units (as described in the Partnership's Amended and Restated Agreement of Limited Partnership (the "Partnership Agreement")) on a one-for-one basis upon the satisfaction of conditions set forth in the Partnership Agreement.

F2 · derivative.exercise_price: Upon conversion of LTIP Units into OP Units, the Reporting Person will have the right to cause the Partnership to redeem a portion of the Reporting Person's OP Units for cash in an amount equal to the market value (as defined in the Partnership Agreement) of an equivalent number of shares of common stock, par value $0.01 per share, of Hannon Armstrong Sustainable Infrastructure Capital, Inc. (the "Issuer"), or at the Issuer's option, shares of the Issuer's common stock on a one-for-one basis, subject to certain adjustments.

F1 · derivative.exercise_date: 4,577 units of limited partner interest ("OP Units") in Hannon Armstrong Sustainable Infrastructure, LP (the "Partnership") are issuable upon vesting and the conversion of 4,577 long-term incentive plan units ("LTIP Units") in the Partnership. Vested LTIP Units, after achieving parity with OP Units, are eligible to be converted into OP Units (as described in the Partnership's Amended and Restated Agreement of Limited Partnership (the "Partnership Agreement")) on a one-for-one basis upon the satisfaction of conditions set forth in the Partnership Agreement.

F2 · derivative.exercise_date: Upon conversion of LTIP Units into OP Units, the Reporting Person will have the right to cause the Partnership to redeem a portion of the Reporting Person's OP Units for cash in an amount equal to the market value (as defined in the Partnership Agreement) of an equivalent number of shares of common stock, par value $0.01 per share, of Hannon Armstrong Sustainable Infrastructure Capital, Inc. (the "Issuer"), or at the Issuer's option, shares of the Issuer's common stock on a one-for-one basis, subject to certain adjustments.

F3 · derivative.expiration_date: N/A

SEC source: 0001561894-22-000033 · wf-form4_164859236983631.xml · derivative · entry 2

O'Neil Charles · CIK 0001574207 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,813

Underlying: Common stock, par value $0.01 per share · 2,497 shares

Expires not disclosed

F1 · derivative.exercise_price: 11,813 units of limited partner interest ("OP Units") in Hannon Armstrong Sustainable Infrastructure, LP (the "Partnership") are issuable upon vesting and the conversion of 11,813 long-term incentive plan units ("LTIP Units") in the Partnership. Vested LTIP Units, after achieving parity with OP Units, are eligible to be converted into OP Units (as described in the Partnership's Amended and Restated Agreement of Limited Partnership (the "Partnership Agreement")) on a one-for-one basis upon the satisfaction of conditions set forth in the Partnership Agreement.

F2 · derivative.exercise_price: Upon conversion of LTIP Units into OP Units, the Reporting Person will have the right to cause the Partnership to redeem a portion of the Reporting Person's OP Units for cash in an amount equal to themarket value (as defined in the Partnership Agreement) of an equivalent number of shares of common stock, par value $0.01 per share, of Hannon Armstrong Sustainable Infrastructure Capital, Inc. (the "Issuer"),or at the Issuer's option, shares of the Issuer's common stock on a one-for-one basis, subject to certain adjustments.

F1 · derivative.exercise_date: 11,813 units of limited partner interest ("OP Units") in Hannon Armstrong Sustainable Infrastructure, LP (the "Partnership") are issuable upon vesting and the conversion of 11,813 long-term incentive plan units ("LTIP Units") in the Partnership. Vested LTIP Units, after achieving parity with OP Units, are eligible to be converted into OP Units (as described in the Partnership's Amended and Restated Agreement of Limited Partnership (the "Partnership Agreement")) on a one-for-one basis upon the satisfaction of conditions set forth in the Partnership Agreement.

F2 · derivative.exercise_date: Upon conversion of LTIP Units into OP Units, the Reporting Person will have the right to cause the Partnership to redeem a portion of the Reporting Person's OP Units for cash in an amount equal to themarket value (as defined in the Partnership Agreement) of an equivalent number of shares of common stock, par value $0.01 per share, of Hannon Armstrong Sustainable Infrastructure Capital, Inc. (the "Issuer"),or at the Issuer's option, shares of the Issuer's common stock on a one-for-one basis, subject to certain adjustments.

F3 · derivative.expiration_date: N/A

SEC source: 0001561894-22-000030 · wf-form4_164859035794926.xml · derivative · entry 2

Eckhart Michael T. · CIK 0001783847 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,188

Underlying: Common stock, par value $0.01 per share · 2,497 shares

Expires not disclosed

F1 · derivative.exercise_price: 10,188 units of limited partner interest ("OP Units") in Hannon Armstrong Sustainable Infrastructure, LP (the "Partnership") are issuable upon vesting and the conversion of 10,188 long-term incentive plan units ("LTIP Units") in the Partnership. Vested LTIP Units, after achieving parity with OP Units, are eligible to be converted into OP Units (as described in the Partnership's Amended and Restated Agreement of Limited Partnership (the "Partnership Agreement")) on a one-for-one basis upon the satisfaction of conditions set forth in the Partnership Agreement.

F2 · derivative.exercise_price: Upon conversion of LTIP Units into OP Units, the Reporting Person will have the right to cause the Partnership to redeem a portion of the Reporting Person's OP Units for cash in an amount equal to the market value (as defined in the Partnership Agreement) of an equivalent number of shares of common stock, par value $0.01 per share, of Hannon Armstrong Sustainable Infrastructure Capital, Inc. (the "Issuer"), or at the Issuer's option, shares of the Issuer's common stock on a one-for-one basis, subject to certain adjustments.

F1 · derivative.exercise_date: 10,188 units of limited partner interest ("OP Units") in Hannon Armstrong Sustainable Infrastructure, LP (the "Partnership") are issuable upon vesting and the conversion of 10,188 long-term incentive plan units ("LTIP Units") in the Partnership. Vested LTIP Units, after achieving parity with OP Units, are eligible to be converted into OP Units (as described in the Partnership's Amended and Restated Agreement of Limited Partnership (the "Partnership Agreement")) on a one-for-one basis upon the satisfaction of conditions set forth in the Partnership Agreement.

F2 · derivative.exercise_date: Upon conversion of LTIP Units into OP Units, the Reporting Person will have the right to cause the Partnership to redeem a portion of the Reporting Person's OP Units for cash in an amount equal to the market value (as defined in the Partnership Agreement) of an equivalent number of shares of common stock, par value $0.01 per share, of Hannon Armstrong Sustainable Infrastructure Capital, Inc. (the "Issuer"), or at the Issuer's option, shares of the Issuer's common stock on a one-for-one basis, subject to certain adjustments.

F3 · derivative.expiration_date: N/A

SEC source: 0001561894-22-000028 · wf-form4_164858912074843.xml · derivative · entry 7

Eckel Jeffrey · CIK 0001574200 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Indirect · By HASI Management HoldCo LLC

Disclosed balance after: 639,823

Underlying: Common stock, par value $0.01 per share · 131,797 shares

Expires not disclosed

F6 · derivative.exercise_price: 639,823 units of limited partner interest ("OP Units") in Hannon Armstrong Sustainable Infrastructure, LP (the "Partnership") are issuable upon the vesting and conversion of 639,823 long-term incentive plan units ("LTIP Units") in the Partnership. The LTIP Units were granted to the Reporting Person under the Issuer's 2013 Equity Incentive Plan, as amended.

F7 · derivative.exercise_price: Vested LTIP Units, after achieving parity with OP Units (as described in the Partnership's Amended and Restated Agreement of Limited Partnership (the "Partnership Agreement")), are eligible to be converted into OP Units on a one-for-one basis upon the satisfaction of conditions set forth in the Partnership Agreement. Upon conversion of LTIP Units into OP Units, the Reporting Person will have the right to cause the Partnership to redeem a portion of the Reporting Person's OP Units for cash in an amount equal to the market value (as defined in the Partnership Agreement) of an equivalent number of shares of common stock, par value $0.01 per share, of Hannon Armstrong Sustainable Infrastructure Capital, Inc. (the "Issuer"), or at the Issuer's option, shares of the Issuer's common stock on a one-for-one basis, subject to certain adjustments.

F6 · derivative.exercise_date: 639,823 units of limited partner interest ("OP Units") in Hannon Armstrong Sustainable Infrastructure, LP (the "Partnership") are issuable upon the vesting and conversion of 639,823 long-term incentive plan units ("LTIP Units") in the Partnership. The LTIP Units were granted to the Reporting Person under the Issuer's 2013 Equity Incentive Plan, as amended.

F7 · derivative.exercise_date: Vested LTIP Units, after achieving parity with OP Units (as described in the Partnership's Amended and Restated Agreement of Limited Partnership (the "Partnership Agreement")), are eligible to be converted into OP Units on a one-for-one basis upon the satisfaction of conditions set forth in the Partnership Agreement. Upon conversion of LTIP Units into OP Units, the Reporting Person will have the right to cause the Partnership to redeem a portion of the Reporting Person's OP Units for cash in an amount equal to the market value (as defined in the Partnership Agreement) of an equivalent number of shares of common stock, par value $0.01 per share, of Hannon Armstrong Sustainable Infrastructure Capital, Inc. (the "Issuer"), or at the Issuer's option, shares of the Issuer's common stock on a one-for-one basis, subject to certain adjustments.

F8 · derivative.expiration_date: N/A

F9 · ownership.nature: These LTIP Units are held by HASI Management HoldCo LLC ("HoldCo LLC"). The Reporting Person is a member of HoldCo LLC. The LTIP Units reported represent only the number of LTIP Units in which the Reporting Person has a pecuniary interest in accordance with his proportionate interest in HoldCo LLC. The Reporting Person is voluntarily reporting his proportionate interest in HoldCo LLC's ownership of LTIP Units. The Reporting Person disclaims beneficial ownership other than to the extent of his pecuniary interest.

SEC source: 0001561894-22-000018 · wf-form4_164687759312671.xml · nonDerivative · entry 1

Nickey Susan D · CIK 0001839416 · EVP and Chief Client Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 65,139

F1 · shares: Consists of shares of Common Stock withheld by the issuer, with approval of the issuer's Board of Directors, in order to satisfy the tax withholding obligation of the reporting person in connection with the vesting of 8,111 shares of Common Stock.

F2 · price: Represents the closing price of the Common Stock on March 4, 2022, the first trading day on or prior to the vesting date.

SEC source: 0001561894-22-000016 · wf-form4_164687750159054.xml · nonDerivative · entry 1

Pangburn Marc T. · CIK 0001839282 · EVP and Co-CIO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 46,571

F1 · shares: Consists of shares of Common Stock withheld by the issuer, with approval of the issuer's Board of Directors, in order to satisfy the tax withholding obligation of the reporting person in connection with the vesting of 7,668 shares of Common Stock.

F2 · price: Represents the closing price of the Common Stock on March 4, 2022, the first trading day on or prior to the vesting date.

SEC source: 0001561894-22-000014 · wf-form4_164686777915870.xml · nonDerivative · entry 1

Lipson Jeffrey · CIK 0001769141 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 34,271

F1 · shares: Consists of shares of Common Stock withheld by the issuer, with approval of the issuer's Board of Directors, in order to satisfy the tax withholding obligation of the reporting person in connection with the vesting of 3,750 shares of Common Stock.

F2 · price: Represents the closing price of the Common Stock on March 4, 2022, the first trading day on or prior to the vesting date.

SEC source: 0001561894-22-000012 · wf-form4_164686741886148.xml · nonDerivative · entry 1

Melko Charles · CIK 0001700743 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,893

F1 · shares: Consists of shares of Common Stock withheld by the issuer, with approval of the issuer's Board of Directors, in order to satisfy the tax withholding obligation of the reporting person in connection with the vesting of 4,886 shares of Common Stock.

F2 · price: Represents the closing price of the Common Stock on March 4, 2022, the first trading day on or prior to the vesting date.