X0609 4 2026-04-08 0 0002071778 Fermi Inc. FRMI 0002087996 Hamilton Charles Lynn false 620 S. TAYLOR ST., SUITE 301 AMARILLO TX 79101 0 1 0 0 Chief Site Development Officer 0 Common Stock 2026-04-08 4 S 0 375950 4.91 D 5924050 D Common Stock 2026-04-09 4 S 0 398140 4.58 D 5525910 D Common Stock 3825000 I See Footnote Common Stock 3825000 I See Footnote Represents a weighted average price calculated by a broker executing automatic "sell-to-cover" transactions to cover withholding taxes upon award vesting and share delivery. These shares were sold as part of a block trade in multiple transactions at prices ranging from $5.16 to $4.77, inclusive, and the Reporting Person undertakes to provide to Fermi Inc. (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 sales price. Represents a weighted average price calculated by a broker executing automatic "sell-to-cover" transactions to cover withholding taxes upon award vesting and share delivery. These shares were sold as part of a block trade in multiple transactions at prices ranging from $4.76 to $4.47, inclusive, and 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 sales price. Includes 4,200,000 shares of restricted common stock of the Issuer subject to time-based vesting conditions. Reflects shares of common stock of the Issuer directly held by Gracious Endurance Trust. Mr. Hamilton is a trustee of Gracious Endurance Trust and may be deemed to beneficially own common stock of the Issuer held by Gracious Endurance Trust. Mr. Hamilton disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein. This report shall not be deemed an admission that Mr. Hamilton is the beneficial owner of such securities for purposes of Sections 13 or 16 of the Securities Exchange Act of 1934, as amended, (the "Exchange Act") or for any other purpose. Reflects shares of common stock of the Issuer directly held by Steadfast Endurance Trust. Mr. Hamilton is a trustee of the Steadfast Endurance Trust and may be deemed to beneficially own common stock of the Issuer held by Steadfast Endurance Trust. Mr. Hamilton disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein. This report shall not be deemed an admission that Mr. Hamilton is the beneficial owner of such securities for purposes of Sections 13 or 16 of the Exchange Act or for any other purpose. /s/ Charles Lynn Hamilton 2026-04-10