Proxy Results (Form 8-K)

Item 5.07 Submission of Matters to a Vote of Security Holders.

On September 9, 2026, Shuttle Pharmaceuticals Holdings, Inc. (the "Company") held a Special Meeting of Stockholders (the "Meeting").

As of August 6, 2026, the record date for the Meeting, 1,027,214 shares of the Company's common stock, par value $0.00001 per share ("Common Stock"), were issued and outstanding, with each share entitled to one vote on each proposal at the Meeting. At the Meeting, the stockholders holding an aggregate of 588,987 shares of Common Stock entitled to vote at the Meeting were represented in person or by proxy, representing approximately 57.33% of the outstanding shares of Common Stock, and thereby a quorum was present for the Meeting.

The final results for each of the proposals considered at the Meeting are set forth below, as certified by the inspector of elections for the Meeting. These proposals are described in further detail in the Definitive Proxy Statement on Schedule 14A filed by the Company with the U.S. Securities and Exchange Commission on August 13, 2026, as supplemented (the "Proxy Statement").

Proposal No. 1: To approve, for purposes of Nasdaq Listing Rule 5635, the issuance of (a) up to approximately 3,389,337 shares of Shuttle Common Stock in connection with the conversion of shares of Series B-1 Preferred Stock issued pursuant to the transactions contemplated by the Merger Agreement dated April 30, 2026 with United Dogecoin Inc. and described further in the Proxy Statement, (b) pre-funded warrants and up to approximately 12,292,752 shares of Shuttle Common Stock in connection with the exercise of such pre-funded warrants pursuant to the transactions contemplated by the Merger Agreement, (c) up to approximately 108,905 shares of Shuttle Common Stock in connection with the conversion of shares of Series B-1 Preferred Stock issued pursuant to the transactions contemplated by the Second Amendment to Asset Purchase Agreement as described further in the Proxy Statement, (d) pre-funded warrants and up to approximately 384,431 shares of Shuttle Common Stock in connection with the exercise of such pre-funded warrants pursuant to the transactions contemplated by the Second Amendment, (e) up to approximately 302,475 shares of Shuttle Common Stock in connection with the conversion of 750 shares of Series B-1 Preferred Stock issued and paid to E.F. Hutton & Co. as a financial advisory fee pursuant to the transactions contemplated by the Merger Agreement, and (f) pre-funded warrants and up to approximately 1,106,611 shares of Shuttle Common Stock in connection with the exercise of such pre-funded warrants to E.F. Hutton & Co. as a financial advisory fee pursuant to the transactions contemplated by the Merger Agreement.

A majority of the shares present in person or by proxy and entitled to vote at the Meeting was required to approve Proposal No. 1 as provided above ("Proposal No. 1"). Accordingly, Proposal No. 1 was approved.

Proposal No. 2: To approve, for purposes of Nasdaq Listing Rule 5635, the issuance of (a) up to approximately 927,114 shares of Shuttle Common Stock in connection with the conversion of shares of Series B-2 Preferred Stock issued pursuant to the transactions contemplated by the Securities Purchase Agreement dated April 30, 2026 and described further in the Proxy Statement, (b) up to approximately 927,114 shares of Shuttle Common Stock in connection with the exercise of common stock purchase warrants issued pursuant to the transactions contemplated by the Securities Purchase Agreement and (c) pre-funded warrants and up to approximately 3,148,619 shares of Shuttle Common Stock in connection with the exercise of such pre-funded warrants pursuant to the transactions contemplated by the Securities Purchase Agreement.

A majority of the shares present in person or by proxy and entitled to vote at the Meeting was required to approve Proposal No. 2 as provided above ("Proposal No. 2"). Accordingly, Proposal No. 2 was approved.

Proposal No. 3: To approve an amendment to the Company's 2018 Equity Incentive Plan to increase the number of shares of Common Stock authorized for issuance thereunder to 8,800,000.

A majority of the shares present in person or by proxy and entitled to vote at the Meeting was required to approve Proposal No. 3 as provided above ("Proposal No. 3"). Accordingly, Proposal No. 3 was approved.

Proposal No. 4: To approve an amendment to the Company's Certificate of Incorporation to change the name of the Company to United Compute Inc.

A majority of the outstanding shares of Common Stock was required to approve Proposal No. 4 as provided above ("Proposal No. 4"). Accordingly, Proposal No. 4 was approved.

Proposal No. 5: Approval of Adjournment of the Meeting

Although the proposal to adjourn the Meeting ("Proposal No. 5") was deemed not necessary because there was a quorum present and there were sufficient votes at the time of the Meeting to approve all other proposals, a majority of shares present in person or by proxy and entitled to vote at the Meeting approved Proposal No. 5.