MPB 2025 Special Meeting Proxy Statement

William Penn Bancorporation October 31, 2024 Page 3 invalidate or render unenforceable such term or provision in any other jurisdiction. Upon such determination that any term or other provision is invalid, illegal or unenforceable, the parties hereto shall negotiate in good faith to modify this Agreement so as to effect the original intent of the parties as closely as possible in a mutually acceptable manner in order that the transactions contemplated hereby be consummated as originally contemplated to the greatest extent possible. The undersigned agrees that, in the event of his or her breach of this Agreement, William Penn shall be entitled to such remedies and relief against the undersigned as are available at law or in equity. The undersigned acknowledges that there is not an adequate remedy at law to compensate William Penn for a violation of this Agreement, and irrevocably waives, to the extent permitted by law, any defense that he or she might have based on the adequacy of a remedy at law which might be asserted as a bar to specific performance, injunctive relief, or other equitable relief. The undersigned agrees to the granting of injunctive relief without the posting of any bond and further agrees that, if any bond shall be required, such bond shall be in a nominal amount. Please confirm, intending to be legally bound, that the foregoing correctly states the understanding between the undersigned and William Penn by signing and returning to William Penn a counterpart hereof. Very truly yours, Name: Number of Shares: Accepted as of this 31st day of October, 2024: WILLIAM PENN BANCORPORATION By: Name: Kenneth J. Stephon Title: President & CEO

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