MPB 2025 Special Meeting Proxy Statement

LETTER TO SHAREHOLDERS I
NOTICE OF SPECIAL MEETING TO THE SHAREHOLDERS OF MID PENN BANCORP, INC III
NOTICE OF SPECIAL MEETING TO THE SHAREHOLDERS OF WILLIAM PENN BANCORPORATION V
HOW TO OBTAIN ADDITIONAL INFORMATION VII
ABOUT THIS JOINT PROXY STATEMENT/PROSPECTUS VIII
TABLE OF CONTENTS IX
QUESTIONS AND ANSWERS ABOUT THE MERGER AND THE SPECIAL MEETINGS 1
Questions about the Merger 1
Questions about the Mid Penn Special Meeting 4
Questions about the William Penn Special Meeting 8
SUMMARY 13
UNAUDITED PRO FORMA CONDENSED COMBINED FINANCIAL STATEMENTS AND PER SHARE DATA 22
RISK FACTORS 39
CAUTIONARY STATEMENT REGARDING FORWARD-LOOKING STATEMENTS 47
THE MERGER 49
Background of the Merger 49
William Penn's Reasons for the Merger 53
Recommendation of William Penn's Board of Directors 57
Opinion of William Penn's Financial Advisor 57
Mid Penn's Reasons for the Merger 70
Recommendation of Mid Penn's Board of Directors 72
Opinion of Keefe, Bruyette & Woods, Inc. to Mid Penn's Board of Directors 72
Certain Prospective Financial Information of the Parties 84
Board of Directors and Management of Mid Penn Following Completion of the Merger 87
Regulatory Approvals Required for the Merger 88
INTERESTS OF WILLIAM PENN'S DIRECTORS AND EXECUTIVE OFFICERS IN THE MERGER 89
Treatment of Stock Options 89
Treatment of Restricted Stock 89
Change in Control Agreements with Alan B. Turner, Jeannine Cimino, Amy J. Logan and Jonathan T. Logan 89
Employment Agreement with Kenneth J. Stephon 90
Indemnification 91
Directors' and Officers' Insurance 91
THE MERGER AGREEMENT 92
Terms of the Merger 92
Closing and Effective Time of the Merger 92
Consideration to Be Received in the Merger 92
Conversion of Shares; Letter of Transmittal; Exchange of Certificates 93
Dividends and Distributions 94
Representations and Warranties 94
Covenants and Agreements 96
William Penn Bank Post-Closing Operation 100
Shareholder Meetings 100
Agreement Not to Solicit Other Offers 100
Expenses and Fees 102
Indemnification and Insurance 103
Conditions to Complete the Merger 103
Termination of the Merger Agreement 104
Termination Fee 105
Amendment, Waiver and Extension of the Merger Agreement 105
Untitled46 105
ACCOUNTING TREATMENT 107
MATERIAL UNITED STATES FEDERAL INCOME TAX CONSEQUENCES OF THE MERGER 108
THE MID PENN SPECIAL MEETING 111
MID PENN SPECIAL MEETING-PROPOSAL NO. 1 113
MID PENN SHARE ISSUANCE PROPOSAL PURSUANT TO THE MERGER AGREEMENT 113
MID PENN SPECIAL MEETING-PROPOSAL NO. 2 113
MID PENN ADJOURNMENT PROPOSAL 113
INFORMATION ABOUT MID PENN BANCORP, INC. 114
Business 114
THE WILLIAM PENN SPECIAL MEETING 115
WILLIAM PENN SPECIAL MEETING-PROPOSAL NO. 1 118
WILLIAM PENN MERGER PROPOSAL 118
WILLIAM PENN SPECIAL MEETING-PROPOSAL NO. 2 118
WILLIAM PENN ADJOURNMENT PROPOSAL 118
INFORMATION ABOUT WILLIAM PENN BANCORPORATION 119
Business 119
COMPARISON OF SHAREHOLDERS' RIGHTS 120
COMMON STOCK INFORMATION 125
LEGAL MATTERS 126
EXPERTS 127
OTHER MATTERS 128
WHERE YOU CAN FIND MORE INFORMATION 129
INCORPORATION OF CERTAIN DOCUMENTS BY REFERENCE 130
Annex A Agreement and Plan of Merger, dated October 31, 2024 133
Annex B Opinion of Piper Sandler & Co. 225
Annex C Opinion of Keefe, Bruyette & Woods, Inc. 229

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