| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Giesinger Edgar R. JR. | Director | 9651 KATY FREEWAY, SUITE 300, HOUSTON | /s/ Christopher M. Powell, Attorney-in-Fact | 26 Aug 2025 | 0001658831 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | SEI | Class A Common Stock | Award | $0 | +6.05K | +6.38% | $0.00 | 101K | 23 Aug 2025 | Direct | F1, F2 |
| transaction | SEI | Class A Common Stock | Sale | -$289K | -10K | -9.91% | $28.86 | 91K | 25 Aug 2025 | Direct | F2, F3 |
| Id | Content |
|---|---|
| F1 | Restricted Stock Award pursuant to the Solaris Energy Infrastructure, Inc. Long Term Incentive Plan. The award vests in full on the first anniversary of the grant date. |
| F2 | Includes 6,052 shares of Class A common stock subject to previously granted Restricted Stock Awards that remain subject to vesting. |
| F3 | The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $28.67 to $29.19 per share. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission (the "SEC"), upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. |