DEEP ISOLATION NUCLEAR INC

Item 5.07 Submission of Matters to a Vote of Security Holders. On June 16, 2026, Deep Isolation Nuclear, Inc., a Delaware corporation (the “Company”), held its 2026 Annual Meeting Stockholders (the “Meeting”). At the close of business on April 24, 2026, the Record Date, there were 57,647,613 shares of common stock of the Company outstanding. Holders of our common stock are entitled to one vote per share. At the Meeting, the combined holders of 34,634,562 shares of the voting stock entitled to notice of and to vote at the Meeting were represented in person or by proxy, representing approximately 60.13% of the outstanding voting shares, 34,634,562 votes, and approximately 60.13% of the total voting power. The presence of these shares, constituted a quorum pursuant to the bylaws of the Company, allowing for the transaction of business at the Meeting. The final results for each of the matters considered at the Meeting were as follows: To elect three (3) Class A directors to serve until the 2029 Annual Meeting of Stockholders and until their respective successors have been duly elected and qualified: Name Votes For Withheld ───────────────────────────────────────────────── Rod Baltzer 34,634,562 0 Renee Hornbaker 34,634,562 0 Christa Steele 34,634,562 0 Each Class A director nominee was elected to serve as a director until the Company’s 2029 Annual Meeting of Stockholders, or until such person’s successor is duly elected and qualified, or until such person’s earlier resignation, death, or removal. Due to the fact that directors are elected by a plurality of the votes cast, votes could only be cast in favor of or withheld from the nominees and thus votes against were not applicable. To provide an advisory vote to ratify the selection of CBIZ CPAs, P.C. as the independent registered public accounting firm of the Company for the year ending December 31, 2026: ───────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────── Votes For Votes Against Abstentions ────────────────────────────────────────────────── 34,634,562 0 0 The affirmative vote of the holders of a majority of the outstanding shares present in person, by remote communication, or represented by proxy at the Meeting and entitled to vote was required for approval. The proposal was approved. To conduct an advisory vote on executive compensation: Votes For Votes Against Abstentions ────────────────────────────────────────────────── 33,737,619 763,611 133,332 The affirmative vote of the holders of a majority of the outstanding shares present in person, by remote communication, or represented by proxy at the Meeting and entitled to vote was required for approval. The proposal was approved. To conduct an advisory vote on the frequency of future advisory votes on executive compensation: One Year Two Years Three Years Abstentions ─────────────────────────────────────────────────────────────── 30,329,791 16,666 1,028,106 3,259,999 The affirmative vote of the holders of a majority of the outstanding shares present in person, by remote communication, or represented by proxy at the Meeting and entitled to vote was required for approval. The proposal was approved.