| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Scholla Chris | EVP & Pres, Sand & Logistics, Member of 10% Owner Group, 10%+ Owner | 5918 W. COURTYARD DRIVE, SUITE 500, AUSTIN | /s/ Chris Scholla, by Dathan C. Voelter as Attorney-in-Fact | 14 Aug 2025 | 0001968149 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | AESI | Common Stock | Tax liability | $8,612 | -728 | -0.13% | $11.83 | 568,319 | 14 Aug 2025 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | Reflects shares withheld upon vesting of restricted stock units to satisfy tax withholding obligations. |
Member of 10% owner group.