Proxy Results (Form 8-K)

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

The 2026 Annual Meeting of Stockholders (the "2026 Annual Meeting") of PepGen Inc. (the "Company") was held on June 18, 2026. The proposals set forth below were submitted to the stockholders at the 2026 Annual Meeting, with each such proposal described in the Company's definitive proxy statement filed with the Securities and Exchange Commission on April 28, 2026 in connection with the 2026 Annual Meeting.

The number of shares of common stock entitled to vote at the 2026 Annual Meeting was 69,169,215. The number of shares of common stock present or represented by valid proxy at the 2026 Annual Meeting was 54,650,845. Therefore, a quorum was present. The number of votes cast for and withheld/against and the number of abstentions and broker non-votes with respect to each proposal voted upon are set forth below.

Proposal 1 - Election of Directors

The Company's stockholders elected the three Class I directors to the Company's board of directors, to serve until the 2029 annual meeting of stockholders and until his or her successor has been duly elected and qualified, or until his or her earlier death, resignation or removal.

There were 10,036,628 broker non-votes regarding the election of each of Howard Mayer, Joshua Resnick, and Lisa Wyman.

Proposal 2 - Ratification of Appointment of Independent Registered Accounting Firm

The Company's stockholders ratified the appointment of KPMG LLP as the Company's independent registered public accounting firm for the fiscal year ending December 31, 2026.

There were zero broker non-votes regarding this proposal.