X0508 4 2025-12-09 0 0001083301 TERAWULF INC. WULF 0001877257 Langlais Kerri M. C/O TERAWULF INC. 9 FEDERAL STREET EASTON MD 21601 1 1 0 0 Chief Strategy Officer 0 Common stock, $0.001 par value per share 2025-12-09 4 M 0 35629 A 3572105 D Common stock, $0.001 par value per share 864701 I By Langlais Family 2021 GST Trust Series A Convertible Preferred Stock 2025-12-09 4 M 0 251 1000 D Common stock, $0.001 par value per share 35629 0 D As of the date of the event requiring the filing of this report, the 251 shares of Series A Convertible Preferred Stock (the "Preferred Stock") were converted into 35,629 shares of common stock, par value $0.001 per share, via a mandatory conversion by the Issuer of all of the shares of its Preferred Stock pursuant to Sec. 10(c) of the Certificate of Designations of the Preferred Stock, at a conversion price of $10.00 per share of Preferred Stock, as previously disclosed on the Issuer's current report on Form 8-K filed on November 25, 2025. /s/ Kerri M. Langlais 2025-12-11