Security	Date	Code	Shares	Price	A/D	Owned after	D/I
Common Shares^F2	Sep 21, 2026	A	442,899	$5.80	A	2,092,899	D
Common Shares^F3,F4	Sep 21, 2026	P	795	$6.21	A	28,850	D
Series D Preferred^F5,F6	Sep 21, 2026	J	250	—	D	16,150	D
Series D Preferred^F7,F6	Sep 22, 2026	J	500	—	D	15,650	D
Common Shares^F8	holding	—	—		—	8,000	D
Common Shares^F9	holding	—	—		—	105,000	D

Table II — derivative securities

No Table II lines on this filing.

Explanation of responses

F1On September 18, 2026, the Issuer entered into an Exchange Agreement with Endeavor Blockchain, LLC ("Endeavor"), pursuant to which Endeavor agreed to exchange the outstanding amount of $2,568,815.71 under the Revolving Line of Credit Promissory Note, dated May 28, 2026, for 442,899 shares of the Issuer's common stock based on the market value of the common stock immediately preceding the signing of the Exchange Agreement. The exchange was approved by a Special Transactions Committee of the Board, composed of disinterested directors.
F2These shares are owned solely by Endeavor Blockchain, LLC. Joshua Kilgore is the sole member and manager of Endeavor Blockchain, LLC.
F3The purchase price reported above is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $6.0649 to $6.4458, inclusive. The Reporting Person undertakes to provide to Big Digital Energy, Inc., any security holder of Big Digital Energy, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote.
F4These shares are owned solely by PM Squared, LLC, which is a member of a "group" with Endeavor Blockchain, LLC for purposes of Section 13(d) of the Exchange Act. Phil Stanley, the managing member and Chief Executive Officer of PM Squared, LLC, was appointed as the Chief Executive Officer and as a director of the Issuer as of April 6, 2026.
F5On September 21, 2026, YA II PN, Ltd. ("YA") exercised its right to exchange outstanding debt owed by Six Thirty AI, LLC ("Six Thirty") for 250 shares of the Series D preferred stock of Big Digital Energy, Inc. pursuant to the terms of a Loan and Guaranty Agreement between the parties dated June 30, 2026. Six Thirty maintained no control over the timing, pricing or amount of this exchange. YA and the lenders represented by it are not affiliated with Six Thirty or the other group members identified on this Form 4. Accordingly, the transaction is reported using Code J as an unorthodox transaction under the doctrine of Kern County Land Co. v. Occidental Petroleum Corp., 411 U.S. 582 (1973).
F6These shares are owned solely by Six Thirty AI, LLC, a Texas limited liability company managed and controlled by Cody Smith, Phillip Stanley and Joshua Kilgore.
F7On September 22, 2026, YA II PN, Ltd. ("YA") exercised its right to exchange outstanding debt owed by Six Thirty AI, LLC ("Six Thirty") for 250 shares of the Series D preferred stock of Big Digital Energy, Inc. pursuant to the terms of a Loan and Guaranty Agreement between the parties dated June 30, 2026. Six Thirty maintained no control over the timing, pricing or amount of this exchange. YA and the lenders represented by it are not affiliated with Six Thirty or the other group members identified on this Form 4. Accordingly, the transaction is reported using Code J as an unorthodox transaction under the doctrine of Kern County Land Co. v. Occidental Petroleum Corp., 411 U.S. 582 (1973).
F8These shares are owned solely by Joshua Kilgore, who is a member of a "group" with Endeavor Blockchain, LLC for purposes of Section 13(d) of the Exchange Act. Joshua Kilgore is the Executive Chairman and a director of the Issuer as of April 6, 2026.
F9These shares are owned solely by Cody Smith, who is a member of a "group" with Endeavor Blockchain, LLC for purposes of Section 13(d) of the Exchange Act. Cody Smith was appointed as the Chief Operating Officer and as a director of the Issuer as of April 6, 2026.

Remarks

As of April 6, 2026, Joshua Kilgore is the Executive Chairman and a director of the Issuer; Phillip Stanley is the Chief Executive Officer and a director of the Issuer; and Cody Smith is the Chief Operating Officer and a director of the Issuer.