HASI

SEC source: 0001561894-21-000056 · wf-form4_161765788462367.xml · derivative · entry 2

O'Neil Charles · CIK 0001574207 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,316

Underlying: Common stock, par value $0.01 per share · 2,080 shares

Expires not disclosed

F1 · derivative.exercise_price: 9,316 units of limited partner interest ("OP Units") in Hannon Armstrong Sustainable Infrastructure, LP (the "Partnership") are issuable upon vesting and the conversion of 9,316 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: 9,316 units of limited partner interest ("OP Units") in Hannon Armstrong Sustainable Infrastructure, LP (the "Partnership") are issuable upon vesting and the conversion of 9,316 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: 0001561894-21-000060 · wf-form4_161765823526775.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: 12,184

Underlying: Common stock, par value $0.01 per share · 7,404 shares

Expires not disclosed

F1 · derivative.exercise_price: 12,184 units of limited partner interest ("OP Units") in Hannon Armstrong Sustainable Infrastructure, LP (the "Partnership") are issuable upon the vesting and conversion of 12,184 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: 12,184 units of limited partner interest ("OP Units") in Hannon Armstrong Sustainable Infrastructure, LP (the "Partnership") are issuable upon the vesting and conversion of 12,184 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: 0001561894-21-000048 · wf-form4_161661877422885.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: 627,367

F1 · shares: 50,000 of these shares were sold pursuant to a Rule 10b5-1 trading plan, dated March 8, 2021.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $52.09 to $55.30, inclusive, on March 22, 2021. 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 Jeffrey W. Eckel Revocable Trust, of which Jeffrey W. Eckel is the sole trustee and beneficiary.

SEC source: 0001561894-21-000048 · wf-form4_161661877422885.xml · nonDerivative · entry 3

Eckel Jeffrey · CIK 0001574200 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Indirect · By Chesapeake Power Foundation

Disclosed balance after: 45,220

F4 · balance_after: These shares are held by the Chesapeake Power Foundation, the activities of which Jeffrey W. Eckel has the sole ability to direct.

SEC source: 0001561894-21-000048 · wf-form4_161661877422885.xml · nonDerivative · entry 2

Eckel Jeffrey · CIK 0001574200 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Indirect · By Jeffrey W. Eckel Revocable Trust

Disclosed balance after: 626,087

F3 · 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: 0001561894-21-000037 · wf-form4_161550541598784.xml · nonDerivative · entry 1

LAGOMARSINO SIMONE · CIK 0001084960 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · Allan and Lagomarsino Revocable Trust

Disclosed balance after: 6,000

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $55.19 to $52.22, inclusive, on March 9, 2021. 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 purchased at each separate price within the ranges set forth in this footnote.

F2 · balance_after: These shares of Common Stock are held the Allan and Lagomarsino Revocable Trust UAD 2/10/2017, as amended (the "Trust"), of which Ms. Lagomarison is the trustee. Ms. Lagomarsino possesses the voting and investment power with respect to the shares of Common Stock held by the Trust.

SEC source: 0001561894-21-000023 · wf-form4_161532647883662.xml · nonDerivative · entry 2

Rose Nathaniel · CIK 0001574203 · EVP & CIO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 175,507

F3 · shares: 10,000 of these shares were sold pursuant to a Rule 10b5-1 trading plan, dated August 14, 2020.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $50.82 to $52.98, inclusive, on March 8, 2021. 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: 0001561894-21-000031 · wf-form4_161532667443933.xml · nonDerivative · entry 1

Herron J Brendan · CIK 0001574220 · EVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 166,064

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 60,377 shares of Common Stock.

F2 · price: Represents the closing price of the Common Stock on March 5, 2021.

F3 · balance_after: Excludes 135,938 limited partnership units in Hannon Armstrong Sustainable Infrastructure, L.P., the issuer's operating partnership subsidiary, held by the reporting person, previously reported by the reporting person, which are redeemable for cash, or at the option of the issuer, for shares of Common Stock of the issuer on a one-for-one basis.

SEC source: 0001561894-21-000030 · wf-form4_161532665463474.xml · nonDerivative · entry 1

Chuslo Steven · CIK 0001574201 · CHIEF LEGAL OFFICER AND EVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 221,861

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 38,239 shares of Common Stock.

F2 · price: Represents the closing price of the Common Stock on March 5, 2021.

SEC source: 0001561894-21-000029 · wf-form4_161532663687538.xml · nonDerivative · entry 1

McMahon Daniel K. · CIK 0001645426 · EVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 153,830

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 38,239 shares of Common Stock.

F2 · price: Represents the closing price of the Common Stock on March 5, 2021.

SEC source: 0001561894-21-000028 · wf-form4_161532661676618.xml · nonDerivative · entry 1

Melko Charles · CIK 0001700743 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 29,327

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 3,273 shares of Common Stock.

F2 · price: Represents the closing price of the Common Stock on March 5, 2021.

SEC source: 0001561894-21-000027 · wf-form4_161532659014146.xml · nonDerivative · entry 1

Eckel Jeffrey · CIK 0001574200 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 121,650

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 144,900 shares of Common Stock.

F2 · price: Represents the closing price of the Common Stock on March 5, 2021.

SEC source: 0001561894-21-000026 · wf-form4_161532657149818.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 58,253

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 14,139 shares of Common Stock.

F2 · price: Represents the closing price of the Common Stock on March 5, 2021.

SEC source: 0001561894-21-000024 · wf-form4_161532651039728.xml · nonDerivative · entry 1

Lipson Jeffrey · CIK 0001769141 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,475

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 5, 2021.

SEC source: 0001561894-21-000025 · wf-form4_161532654717901.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 74,062

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 5,835 shares of Common Stock.

F2 · price: Represents the closing price of the Common Stock on March 5, 2021.

SEC source: 0001561894-21-000023 · wf-form4_161532647883662.xml · nonDerivative · entry 1

Rose Nathaniel · CIK 0001574203 · EVP & CIO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 185,507

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 44,277 shares of Common Stock.

F2 · price: Represents the closing price of the Common Stock on March 5, 2021.

SEC source: 0001561894-21-000010 · wf-form5_161247483280396.xml · nonDerivative · entry 9

Eckel Jeffrey · CIK 0001574200 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Indirect · By Chesapeake Power Foundation

Disclosed balance after: 46,000

F4 · balance_after: These shares are held by the Chesapeake Power Foundation, the activities of which Jeffrey W. Eckel has the sole ability to direct.

SEC source: 0001561894-21-000010 · wf-form5_161247483280396.xml · nonDerivative · entry 5

Eckel Jeffrey · CIK 0001574200 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Indirect · By Jeffrey W. Eckel Revocable Trust

Disclosed balance after: 677,367

SEC source: 0001561894-20-000146 · wf-form4_160763638121445.xml · nonDerivative · entry 1

Chuslo Steven · CIK 0001574201 · GENERAL COUNSEL & EVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 240,365

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $55.20 to $55.90, inclusive, on December 8, 2020. 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: 0001561894-20-000145 · wf-form4_160711891341728.xml · nonDerivative · entry 1

Herron J Brendan · CIK 0001574220 · EVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 198,472

F1 · balance_after: Excludes 135,938 limited partnership units in Hannon Armstrong Sustainable Infrastructure, L.P., the issuer's operating partnership subsidiary, held by the reporting person, previously reported by the reporting person, which are redeemable for cash, or at the option of the issuer, for shares of Common Stock of the issuer on a one-for-one basis.

SEC source: 0001561894-21-000072 · wf-form4_161765940304573.xml · derivative · entry 3

OSGOOD STEVEN G · CIK 0001306273 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Steven G Osgood TTEE Steven G Osgood TR U/A DTD 09 09 2019

Disclosed balance after: 9,978

Underlying: Common stock, par value $0.01 per share · 9,978 shares

Expires not disclosed

F1 · derivative.exercise_price: 9,978 units of limited partner interest ("OP Units") in Hannon Armstrong Sustainable Infrastructure, LP (the "Partnership") are issuable upon vesting and the conversion of 9,978 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: 9,978 units of limited partner interest ("OP Units") in Hannon Armstrong Sustainable Infrastructure, LP (the "Partnership") are issuable upon vesting and the conversion of 9,978 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.

F4 · derivative.expiration_date: N/A

F5 · ownership.nature: These LTIP Units are held Steven G Osgood TREE Steven G Osgood TR U/A DTD 09/09/2019, of which Mr. Osgood is the trustee. Ms. Osgood possesses the voting and investment power with respect to the shares of LTIP Units held by the Trust.

SEC source: 0001561894-21-000072 · wf-form4_161765940304573.xml · derivative · entry 2

OSGOOD STEVEN G · CIK 0001306273 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common stock, par value $0.01 per share · 9,978 shares

Expires not disclosed

F1 · derivative.exercise_price: 9,978 units of limited partner interest ("OP Units") in Hannon Armstrong Sustainable Infrastructure, LP (the "Partnership") are issuable upon vesting and the conversion of 9,978 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.

F3 · kind: 9,978 OP Units were transferred to Steven G Osgood TTEE Steven G Osgood TR U/A DTD 09/09/2019 on December 4, 2020.

F1 · derivative.exercise_date: 9,978 units of limited partner interest ("OP Units") in Hannon Armstrong Sustainable Infrastructure, LP (the "Partnership") are issuable upon vesting and the conversion of 9,978 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.

F4 · derivative.expiration_date: N/A

SEC source: 0001561894-20-000145 · wf-form4_160711891341728.xml · nonDerivative · entry 5

Herron J Brendan · CIK 0001574220 · EVP

10b5-1 filing: Not disclosed

Ownership: Indirect · By spouse as UTMA custodian for children

Disclosed balance after: 2,640

F3 · balance_after: These shares are held by the reporting person's spouse as custodian for the reporting person's three children under the Uniform Transfers to Minors Act. The reporting person disclaims beneficial ownership other than to the extent of his pecuniary interest.

SEC source: 0001561894-20-000145 · wf-form4_160711891341728.xml · nonDerivative · entry 4

Herron J Brendan · CIK 0001574220 · EVP

10b5-1 filing: Not disclosed

Ownership: Indirect · By spouse

Disclosed balance after: 7,500

F2 · 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: 0001561894-20-000145 · wf-form4_160711891341728.xml · nonDerivative · entry 3

Herron J Brendan · CIK 0001574220 · EVP

10b5-1 filing: Not disclosed

Ownership: Indirect · By spouse

Disclosed balance after: 8,220

F2 · 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: 0001561894-20-000145 · wf-form4_160711891341728.xml · nonDerivative · entry 2

Herron J Brendan · CIK 0001574220 · EVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 195,252

F1 · balance_after: Excludes 135,938 limited partnership units in Hannon Armstrong Sustainable Infrastructure, L.P., the issuer's operating partnership subsidiary, held by the reporting person, previously reported by the reporting person, which are redeemable for cash, or at the option of the issuer, for shares of Common Stock of the issuer on a one-for-one basis.

SEC source: 0001561894-21-000010 · wf-form5_161247483280396.xml · nonDerivative · entry 4

Eckel Jeffrey · CIK 0001574200 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Indirect · By Jeffrey W. Eckel Revocable Trust

Disclosed balance after: 708,367

SEC source: 0001561894-20-000144 · wf-form4_160633884880212.xml · nonDerivative · entry 1

O'Neil Charles · CIK 0001574207 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,913

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $53.95 to $53.99, inclusive, on November 24, 2020. 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: 0001561894-21-000010 · wf-form5_161247483280396.xml · nonDerivative · entry 3

Eckel Jeffrey · CIK 0001574200 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Indirect · By Jeffrey W. Eckel Revocable Trust

Disclosed balance after: 713,017

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: 0001561894-21-000010 · wf-form5_161247483280396.xml · nonDerivative · entry 2

Eckel Jeffrey · CIK 0001574200 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Indirect · By Jeffrey W. Eckel Revocable Trust

Disclosed balance after: 713,622

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: 0001561894-20-000143 · wf-form4_160556237954876.xml · nonDerivative · entry 1

McMahon Daniel K. · CIK 0001645426 · EVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 168,913

F1 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan, dated May 21, 2020.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $49.43 to $49.66, inclusive, on November 13, 2020. 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: 0001561894-20-000142 · wf-form4_160530221746057.xml · nonDerivative · entry 2

Eckel Jeffrey · CIK 0001574200 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Indirect · By Jeffrey W. Eckel Revocable Trust

Disclosed balance after: 715,394

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $48.71 to $50.65, inclusive, on November 11, 2020. 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: 0001561894-20-000142 · wf-form4_160530221746057.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: 790,394

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $46.07 to $47.95, inclusive, on Nov 10, 2020. 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: 0001561894-20-000141 · wf-form4_160521892725615.xml · nonDerivative · entry 1

Rose Nathaniel · CIK 0001574203 · EVP & CIO

10b5-1 filing: Not disclosed

Ownership: Indirect · By spouse

Disclosed balance after: 0

F1 · shares: 10,000 of these shares were sold pursuant to a Rule 10b5-1 trading plan, dated August 14, 2020.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $48.50 to $50.88, inclusive, on November 9, 2020. 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: 0001561894-20-000126 · wf-form4_159769598116426.xml · nonDerivative · entry 1

Rose Nathaniel · CIK 0001574203 · EVP & CIO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 206,922

F1 · price: Bona Fide Gift. No compensation was given to the donor for the gifting of these shares.

SEC source: 0001561894-20-000125 · wf-form4_159769585635978.xml · nonDerivative · entry 1

McMahon Daniel K. · CIK 0001645426 · EVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 178,913

F1 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan, dated May 21, 2020.

SEC source: 0001561894-20-000110 · wf-form4_159061286253173.xml · nonDerivative · entry 1

McMahon Daniel K. · CIK 0001645426 · EVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 188,913

F1 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan, dated May 21, 2020.

SEC source: 0001561894-21-000010 · wf-form5_161247483280396.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: 714,252

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: 0001561894-20-000108 · wf-form4_158992745864602.xml · nonDerivative · entry 1

Herron J Brendan · CIK 0001574220 · EVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 199,972

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 8,300 shares of Common Stock.

F2 · price: Represents the closing price of the Common Stock on May 15, 2020.

F3 · balance_after: Excludes 135,938 limited partnership units in Hannon Armstrong Sustainable Infrastructure, L.P., the issuer's operating partnership subsidiary, held by the reporting person, previously reported by the reporting person, which are redeemable for cash, or at the option of the issuer, for shares of Common Stock of the issuer on a one-for-one basis.

SEC source: 0001561894-20-000104 · wf-form4_158992703427241.xml · nonDerivative · entry 1

Melko Charles · CIK 0001700743 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,049

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 4,009 shares of Common Stock.

F2 · price: Represents the closing price of the Common Stock on May 15, 2020

SEC source: 0001561894-20-000106 · wf-form4_158992722299947.xml · nonDerivative · entry 1

Rose Nathaniel · CIK 0001574203 · EVP & CIO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 216,922

F1 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan, dated December 12, 2019.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $28.72 to $29.15, inclusive, on May 11, 2020. 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: 0001561894-20-000100 · wf-form4_158897511384983.xml · nonDerivative · entry 1

Herron J Brendan · CIK 0001574220 · EVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 203,981

F1 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan, dated December 11, 2019.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $27.50 to $28.41, inclusive, on May 7, 2020. 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: Excludes 135,938 limited partnership units in Hannon Armstrong Sustainable Infrastructure, L.P., the issuer's operating partnership subsidiary, held by the reporting person, previously reported by the reporting person, which are redeemable for cash, or at the option of the issuer, for shares of Common Stock of the issuer on a one-for-one basis.

SEC source: 0001561894-20-000078 · wf-form4_158595080674558.xml · derivative · entry 2

LAGOMARSINO SIMONE · CIK 0001084960 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,659

Underlying: Common stock, par value $0.01 per share · 4,274 shares

Expires not disclosed

F2 · derivative.exercise_price: 6,659 units of limited partner interest ("OP Units") in Hannon Armstrong Sustainable Infrastructure, LP (the "Partnership") are issuable upon vesting and the conversion of 2,385 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 2,385 are scheduled to vest on August 15, 2020 and 4,274 are scheduled to vest on May 15, 2021. 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 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.

F2 · derivative.exercise_date: 6,659 units of limited partner interest ("OP Units") in Hannon Armstrong Sustainable Infrastructure, LP (the "Partnership") are issuable upon vesting and the conversion of 2,385 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 2,385 are scheduled to vest on August 15, 2020 and 4,274 are scheduled to vest on May 15, 2021. 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 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.

F4 · derivative.expiration_date: N/A

SEC source: 0001561894-20-000080 · wf-form4_158595101947208.xml · derivative · entry 2

Brenner Teresa · CIK 0001671844 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,236

Underlying: Common stock, par value $0.01 per share · 3,226 shares

Expires not disclosed

F1 · derivative.exercise_price: 7,326 units of limited partner interest ("OP Units") in Hannon Armstrong Sustainable Infrastructure, LP (the "Partnership") are issuable upon vesting and the conversion of 7,326 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 4,010 are scheduled to vest on May 15, 2020 and 3,226 are scheduled to vest on May 15, 2021. 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: 7,326 units of limited partner interest ("OP Units") in Hannon Armstrong Sustainable Infrastructure, LP (the "Partnership") are issuable upon vesting and the conversion of 7,326 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 4,010 are scheduled to vest on May 15, 2020 and 3,226 are scheduled to vest on May 15, 2021. 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: 0001561894-20-000074 · wf-form4_158595044809785.xml · derivative · entry 2

OSBORNE RICHARD J · CIK 0001236214 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,236

Underlying: Common stock, par value $0.01 per share · 3,226 shares

Expires not disclosed

F1 · derivative.exercise_price: 7,236 units of limited partner interest ("OP Units") in Hannon Armstrong Sustainable Infrastructure, LP (the "Partnership") are issuable upon vesting and the conversion of 7,236 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 4,010 are scheduled to vest on May 15, 2020 and 3,226 are scheduled to vest on May 15, 2021. 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 themarketvalue (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 atthe Issuer's option, shares of the Issuer's common stock on a one-for-one basis, subject to certain adjustments.

F1 · derivative.exercise_date: 7,236 units of limited partner interest ("OP Units") in Hannon Armstrong Sustainable Infrastructure, LP (the "Partnership") are issuable upon vesting and the conversion of 7,236 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 4,010 are scheduled to vest on May 15, 2020 and 3,226 are scheduled to vest on May 15, 2021. 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 themarketvalue (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 atthe 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: 0001561894-20-000076 · wf-form4_158595063712601.xml · derivative · entry 2

OSGOOD STEVEN G · CIK 0001306273 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,978

Underlying: Common stock, par value $0.01 per share · 5,968 shares

Expires not disclosed

F1 · derivative.exercise_price: 9,978 units of limited partner interest ("OP Units") in Hannon Armstrong Sustainable Infrastructure, LP (the "Partnership") are issuable upon vesting and the conversion of 9,978 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 4,010 are scheduled to vest on May 15, 2020 and 5,698 arescheduled to vest on May 15, 2021. 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 ofLimited 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: 9,978 units of limited partner interest ("OP Units") in Hannon Armstrong Sustainable Infrastructure, LP (the "Partnership") are issuable upon vesting and the conversion of 9,978 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 4,010 are scheduled to vest on May 15, 2020 and 5,698 arescheduled to vest on May 15, 2021. 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 ofLimited 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: 0001561894-20-000087 · wf-form4_158595234451323.xml · derivative · entry 2

Eckhart Michael T. · CIK 0001783847 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,611

Underlying: Common stock, par value $0.01 per share · 3,226 shares

Expires not disclosed

F1 · derivative.exercise_price: 5,611 units of limited partner interest ("OP Units") in Hannon Armstrong Sustainable Infrastructure, LP (the "Partnership") are issuable upon vesting and the conversion of 5,611 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 2,385 are scheduled to vest on August 15, 2020 and 3,226 are scheduled to vest on May 5, 2021. 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 themarketvalue (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 atthe Issuer's option, shares of the Issuer's common stock on a one-for-one basis, subject to certain adjustments.

F1 · derivative.exercise_date: 5,611 units of limited partner interest ("OP Units") in Hannon Armstrong Sustainable Infrastructure, LP (the "Partnership") are issuable upon vesting and the conversion of 5,611 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 2,385 are scheduled to vest on August 15, 2020 and 3,226 are scheduled to vest on May 5, 2021. 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 themarketvalue (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 atthe 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: 0001561894-20-000085 · wf-form4_158595150055240.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: 65,250

Underlying: Common stock, par value $0.01 per share · 35,250 shares

Expires not disclosed

F1 · derivative.exercise_price: 65,250 units of limited partner interest ("OP Units") in Hannon Armstrong Sustainable Infrastructure, LP (the "Partnership") are issuable upon the vesting and conversion of 65,250 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. Of the 32,250 LTIP Units issued herein, 11,750 are scheduled to vest in equal annual installments of one-third of the full amount on May 15, 2021, March 5, 2022, and March 5, 2023, subject to continued employment by the Reporting Person and 23,500 represent the maximum amount of LTIP Units that can vest on March 5, 2023 contingent upon the achievement of certain performance criteria ("Vested LTIP Units").

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: 65,250 units of limited partner interest ("OP Units") in Hannon Armstrong Sustainable Infrastructure, LP (the "Partnership") are issuable upon the vesting and conversion of 65,250 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. Of the 32,250 LTIP Units issued herein, 11,750 are scheduled to vest in equal annual installments of one-third of the full amount on May 15, 2021, March 5, 2022, and March 5, 2023, subject to continued employment by the Reporting Person and 23,500 represent the maximum amount of LTIP Units that can vest on March 5, 2023 contingent upon the achievement of certain performance criteria ("Vested LTIP Units").

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: 0001561894-20-000084 · wf-form4_158595139072364.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: 4,780

Underlying: Common stock, par value $0.01 per share · 4,780 shares

Expires not disclosed

F1 · derivative.exercise_price: 4,780 units of limited partner interest ("OP Units") in Hannon Armstrong Sustainable Infrastructure, LP (the "Partnership") are issuable upon the vesting and conversion of 4,780 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. Of these 4,780 LTIP Units, 1,592 are scheduled to vest in equal annual installments of one-third of the full amount on May 15, 2021, March 5, 2022, and March 5, 2023, subject to continued employment by the Reporting Person and 3,188 represent the maximum amount of LTIP Units that can vest on March 5, 2023 contingent upon the achievement of certain performance criteria ("Vested LTIP Units").

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: 4,780 units of limited partner interest ("OP Units") in Hannon Armstrong Sustainable Infrastructure, LP (the "Partnership") are issuable upon the vesting and conversion of 4,780 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. Of these 4,780 LTIP Units, 1,592 are scheduled to vest in equal annual installments of one-third of the full amount on May 15, 2021, March 5, 2022, and March 5, 2023, subject to continued employment by the Reporting Person and 3,188 represent the maximum amount of LTIP Units that can vest on March 5, 2023 contingent upon the achievement of certain performance criteria ("Vested LTIP Units").

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: 0001561894-20-000082 · wf-form4_158595120646999.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: 114,750

Underlying: Common stock, par value $0.01 per share · 45,750 shares

Expires not disclosed

F2 · derivative.exercise_price: 114,750 units of limited partner interest ("OP Units") in Hannon Armstrong Sustainable Infrastructure, LP (the "Partnership") are issuable upon the vesting and conversion of 69,000 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. Of the 45,750 LTIP Units issued herein, 15,250 are scheduled to vest in equal annual installments of one-third of the full amount on May 15, 2021, March 5, 2022, and March 5, 2023, subject to continued employment by the Reporting Person, and 30,500 represent the maximum amount of LTIP Units that can vest on March 5, 2023 contingent upon the achievement of certain performance criteria ("Vested LTIP Units").

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: 114,750 units of limited partner interest ("OP Units") in Hannon Armstrong Sustainable Infrastructure, LP (the "Partnership") are issuable upon the vesting and conversion of 69,000 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. Of the 45,750 LTIP Units issued herein, 15,250 are scheduled to vest in equal annual installments of one-third of the full amount on May 15, 2021, March 5, 2022, and March 5, 2023, subject to continued employment by the Reporting Person, and 30,500 represent the maximum amount of LTIP Units that can vest on March 5, 2023 contingent upon the achievement of certain performance criteria ("Vested LTIP Units").

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.