Hannon Armstrong Sustainable Infrastructure Capital, Inc. ("HASI" or the "Company") (NYSE:HASI), a leading investor in climate solutions, today announced the Federal income tax treatment of the Company's 2023 distributions on its common stock (CUSIP #41068X100).

The Federal income tax classification of the aggregate $1.56 distribution per share on the Company's common stock with respect to the calendar year ended December 31, 2023, is shown in the table below:

Record Date	Payable Date	Total Distribution Per Share	Ordinary Income Per Share	Return of Capital Per Share	Long-Term Capital Gain Per Share	Section 199A Dividend Per Share
12/28/2022	01/06/2023	$0.3750	$0.1965	$0.0222	$0.1566	$0.1965
04/03/2023	04/10/2023	$0.3950	$0.2069	$0.0231	$0.1649	$0.2069
07/05/2023	07/12/2023	$0.3950	$0.2069	$0.0231	$0.1649	$0.2069
10/04/2023	10/11/2023	$0.3950	$0.2069	$0.0231	$0.1649	$0.2069
2023	Total	$1.5600	$0.8172	$0.0915	$0.6513	$0.8172
12/29/2023	01/12/2024		To Be Reported on 2024 1099-Div

The amount reported as Ordinary Income Per Share is treated as a qualified REIT dividend for purposes of Section 199A. As the Company's aggregate distributions exceeded its taxable earnings and profits, the January 2024 distribution declared in the fourth quarter of 2023 and payable to stockholders of record as of December 29, 2023, will be treated as a 2024 distribution for Federal income tax purposes and is not included on the 2023 Form 1099. Stockholders are encouraged to consult with their own tax advisors as to their specific tax treatment of the Company's distributions.

About HASI

HASI (NYSE:HASI) is a leading climate positive investment firm that actively partners with clients to deploy real assets that facilitate the energy transition. With more than $11 billion in managed assets, our vision is that every investment improves our climate future. For more information, please visit hasi.com.

Forward Looking Statements

Some of the information contained in this press release is forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended that are subject to risks and uncertainties. For these statements, we claim the protections of the safe harbor for forward-looking statements contained in such Sections. These forward-looking statements include information about possible or assumed future results of our business, financial condition, liquidity, results of operations, plans and objectives. When we use the words "believe," "expect," "anticipate," "estimate," "plan," "continue," "intend," "should," "may" or similar expressions, we intend to identify forward-looking statements.

Forward-looking statements are subject to significant risks and uncertainties. Investors are cautioned against placing undue reliance on such statements. Actual results may differ materially from those set forth in the forward-looking statements. Factors that could cause actual results to differ materially from those described in the forward-looking statements include those discussed under the caption "Risk Factors" included in our most recent Annual Report on Form 10-K as well as in other periodic reports that we file with the U.S. Securities and Exchange Commission (the "SEC").

Forward-looking statements are based on beliefs, assumptions and expectations as of the date of this press release. We disclaim any obligation to publicly release the results of any revisions to these forward-looking statements reflecting new estimates, events or circumstances after the date of this press release.

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HASI Announces 2023 Dividend Income Tax Treatment