X0508 4 2025-02-18 0001823587 Sky Harbour Group Corp SKYH 0001689425 Rozek Alexander Buffett 3 SNOW ROAD #432 MARSHFIELD MA 02050 1 0 Class A common stock 323613 I See Footnote Class A common stock 2025-02-18 4 A 0 6323 0 A 271028 D Class A common stock 128875 I By spouse Represents 323,613 shares of Class A Common Stock owned by Boulderado Partners, LLC ("BP"). The reported shares are directly owned by BP. Boulderado Capital, LLC ("BC") is the managing member of BP. Boulderado Group, LLC ("BG") is the investment manager of BP. Mr. Rozek is the managing member of BP, BC and BG. BP, BC, BG and Mr. Rozek disclaim beneficial ownership except to the extent of their respective pecuniary interests therein, and this report shall not be deemed an admission of beneficial ownership of these securities for Section 16 or for any other purposes. Represents 128,875 shares of Class A Common Stock owned by Mr. Rozek's spouse. Mr. Rozek disclaims beneficial ownership except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission of beneficial ownership of these securities for Section 16 or for any other purposes. Represents 208,705 shares of Class A Common Stock owned by Mr. Rozek and 34,323 restricted stock units ("RSUs") granted under the Sky Harbour Group Corporation 2022 Incentive Award Plan. Each RSU represents the contingent right to receive, in accordance with the terms of the applicable RSU agreement, one share of Class A Common Stock of the Issuer for each vested RSU. The RSUs will vest in four equal annual installments beginning on the first anniversary of the date of grant, provided the reporting person remains in service through the applicable vesting date. Represents restricted stock units ("RSUs") granted under the Sky Harbour Group Corporation 2022 Incentive Award Plan. Each RSU represents the contingent right to receive, in accordance with the terms of the applicable RSU agreement, one share of Class A Common Stock of the Issuer for each vested RSU. The RSUs vest in installments in accordance with the terms of the applicable RSU agreement, provided the reporting person remains in service through the applicable vesting date. /s/ Gerald Adler, Attorney-in-Fact 2025-02-18