X0609 4 2026-09-08 0 0001697500 Solaris Energy Infrastructure, Inc. SEI 0001183251 TEAGUE AJ false 9651 KATY FREEWAY SUITE 300 HOUSTON TX 77024 1 0 0 0 0 Class A Common Stock 2026-09-08 4 P 0 3900 64.21 A 116865 D Class A Common Stock 2026-09-08 4 P 0 3900 64.25 A 14960 I Spouse The reported price in Column 4 is a weighted average purchase price. These shares were purchased in multiple transactions at prices ranging from $64.20 to $64.23 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, 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 range set forth in this footnote. Includes 3,075 shares of Class A common stock subject to previously granted Restricted Stock Awards that remain subject to vesting. /s/ Christopher M. Powell, Attorney-in-Fact 2026-09-09