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ANNUAL MEETING OF STOCKHOLDERS OF TTM TECHNOLOGIES, INC. May 12, 2021 GO GREEN e-Consent makes it easy to go paperless. With e-Consent, you can quickly access your proxy material, statements and other eligible documents online, while reducing costs, clutter and paper waste. Enroll today via www.astfinancial.com to enjoy online access. NOTICE OF INTERNET AVAILABILITY OF PROXY MATERIALS: The Notice of Meeting, Proxy Statement, and Annual Report are available at https://investors.ttm.com/2021-annual-stockholders-meeting Please sign, date and mail your proxy card in the envelope provided as soon as possible. Please detach along perforated line and mail in the envelope provided. 20230300000000000000 4 051221 THE BOARD OF DIRECTORS RECOMMENDS YOU VOTE “FOR” THE ELECTION OF THE DIRECTOR NOMINEES AND “FOR” PROPOSALS 2 AND 3. PLEASE SIGN, DATE AND RETURN PROMPTLY IN THE ENCLOSED ENVELOPE. PLEASE MARK YOUR VOTE IN BLUE OR BLACK INK AS SHOWN HERE [X] 1. To elect John G. Mayer and Rex D. Geveden to serve as class III directors. NOMINEES: [ ] FOR ALL NOMINEES John G. Mayer Rex D. Geveden [ ] WITHHOLD AUTHORITY FOR ALL NOMINEES [ ] FOR ALL EXCEPT (See instructions below) INSTRUCTIONS: To withhold authority to vote for any individual nominee(s), mark “FOR ALL EXCEPT” and fill in the circle next to each nominee you wish to withhold, as shown here: To change the address on your account, please check the box at right and indicate your new address in the address space above. Please note that changes to the registered name(s) on the account may not be submitted via this method. [ ] 2. To approve, on an advisory basis, the compensation of our named executive officers. FOR [ ] AGAINST [ ] ABSTAIN [ ] 3. The ratification of the appointment of KPMG LLP as independent registered public accounting firm for the fiscal year ending January 3, 2022. FOR [ ] AGAINST [ ] ABSTAIN [ ] THIS PROXY WILL BE VOTED AS DIRECTED OR, IF NO DIRECTION IS INDICATED, WILL BE VOTED “FOR” THE ELECTION OF THE DIRECTOR NOMINEES AND “FOR” PROPOSALS 2 AND 3. Signature of Stockholder Date: Signature of Stockholder Date: Note: Please sign exactly as your name or names appear on this Proxy. When shares are held jointly, each holder should sign. When signing as executor, administrator, attorney, trustee or guardian, please give full title as such. If the signer is a corporation, please sign full corporate name by duly authorized officer, giving full title as such. If signer is a partnership, please sign in partnership name by authorized person.