1 Exhibit 99.3 ------------ U.B. BANCSHARES, INC. PROXY FOR SPECIAL MEETING OF SHAREHOLDERS CALLED FOR [ ], 2000 The undersigned having received, together with the proxy statement/prospectus dated as of [ ], 2000, notice of the special meeting of shareholders of U.B. BANCSHARES, INC., a Ohio corporation, to be held on [ ], 2000 at [ ] p.m., hereby designates and appoints [ ] and [ ] as proxies for the undersigned, with full power of substitution, to exercise all the powers that the undersigned would have if personally present to act and to vote all of the shares of common stock that the undersigned is entitled to vote at the special meeting of shareholders, unless revoked, and at any adjournment or postponement thereof, such proxies being directed to vote as specified below on the following proposal: MANAGEMENT RECOMMENDS A VOTE "FOR" PROPOSAL 1. Proposal 1: To adopt the Agreement and Plan of Merger by and between Park National Corporation and U.B. BANCSHARES, INC., providing for the merger of U.B. BANCSHARES, INC., with and into Park National Corporation. [ ] FOR [ ] AGAINST [ ] ABSTAIN Proposal 2: To transact such other business as may properly come before the special meeting, or any adjournment or postponement thereof, in order to allow the further solicitation of proxies. THE SHARES OF STOCK REPRESENTED BY THIS PROXY WILL BE VOTED AS SPECIFIED. IF NO SPECIFICATION IS MADE, THE SHARES WILL BE VOTED FOR PROPOSAL 1. ALL PROXIES PREVIOUSLY GIVEN ARE HEREBY REVOKED. RECEIPT OF THE ACCOMPANYING PROXY STATEMENT/PROSPECTUS IS HEREBY ACKNOWLEDGED. The aforesaid proxies are hereby authorized to vote on any other matter that may properly come before the meeting at their discretion. An executed proxy may be revoked at any time prior to its exercise by submitting another proxy with a later date, by appearing in person at the U.B. BANCSHARES, INC. special meeting and advising the Secretary of the shareholder's intent to vote the common shares or by sending a written, signed and dated revocation that clearly identifies the proxy being revoked to the principal executive offices U.B. BANCSHARES, INC. at [ ], Bucyrus, Ohio. A revocation may be in any written form validly signed by the record holder so long as it clearly states that the proxy previously given is no longer effective. Dated:_____________________________________ ___________________________________________ Signature ___________________________________________ Signature Please sign exactly as your name appears on your share certificate(s) and return this proxy promptly in the accompanying envelope. If the shares of stock are issued in the names of two or more persons, all persons should sign the proxy. If the shares of stock are issued in the name of a corporation or partnership, please sign in the corporate name, by the president or other authorized officer, or in the partnership name, by an authorized person. When signing as 1 2 attorney, executor, administrator, trustee, guardian or in any other representative capacity, please give your full title as such. PLEASE DATE, SIGN AND MAIL THIS PROXY TO U.B. BANCSHARES, INC., ATTENTION SECRETARY, 401 S. SANDUSKY AVENUE, BUCYRUS, OHIO 44820. AN ENVELOPE IS ENCLOSED FOR YOUR CONVENIENCE.