MPB / Mid Penn Bancorp, Inc. - SEC-Einreichungen, Jahresbericht, Proxy Statement

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 12, 2026 MID PENN BANCORP, INC. (Exact Name of

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 12, 2026 MID PENN BANCORP, INC.

1 0 75 143 241 158 20 Primary 217 217 217 242 242 242 Accent 30 55 104 142 180 40 DRAFT 04.07.2021 MID PENN BANCORP, INC. Annual Meeting of Shareholders May 12, 2026 2 0 75 143 241 158 20 Primary 217 217 217 242 242 242 Accent 30 55 104 142 180 40 So

a2026mpbannualmeetingfin 1 0 75 143 241 158 20 Primary 217 217 217 242 242 242 Accent 30 55 104 142 180 40 DRAFT 04.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 12, 2026 MID PENN BANCORP, INC. (Exact Name of

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 12, 2026 MID PENN BANCORP, INC.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2026 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-13677 MID PENN BANCORP, INC.

Mid Penn Bancorp, Inc. 2407 Park Drive Harrisburg, PA 17110

Exhibit 99.1 PRESS RELEASE Mid Penn Bancorp, Inc. 2407 Park Drive Harrisburg, PA 17110 1-866-642-7736 CONTACTS Rory G. Ritrievi Chair, President & Chief Executive Officer Justin T. Webb Chief Financial Officer MID PENN BANCORP, INC. REPORTS FIRST QUARTER EARNINGS AND DECLARES 62ND CONSECUTIVE QUARTERLY DIVIDEND April 21, 2026 – Harrisburg, PA – Mid Penn Bancorp, Inc. (NASDAQ: MPB) ("Mid Penn"), th

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 21, 2026 MID PENN BANCORP, INC. (Exact Name

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 21, 2026 MID PENN BANCORP, INC.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.   )

DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.   ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.  )

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.  ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 1

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ANNUAL REPORT TO SHAREHOLDERSA LETTER TO OUR DEAR FELLOW SHAREHOLDERS, Looking back, 2025 was quite a turbulent year, with conflicts raging in the Middle East, Africa, Asia and Eastern Europe, social unrest and ongoing inflation in the United States, and widespread confusion and concern over the trade policies of the new administration in Washington roiling markets almost daily.

August 22, 2024 Heather Hall Re: Change in Control Severance Agreement AMENDED AND RESTATED Dear Heather: Mid Penn Bancorp, Inc. (the “Corporation”) considers it essential and in the best interests of its shareholders to foster the continuous employm

heatherhall-changeincont August 22, 2024 Heather Hall Re: Change in Control Severance Agreement AMENDED AND RESTATED Dear Heather: Mid Penn Bancorp, Inc.

August 22, 2025 Joan Dickinson Re: Change in Control Severance Agreement AMENDED AND RESTATED Dear Joan: Mid Penn Bancorp, Inc. (the “Corporation”) considers it essential and in the best interests of its shareholders to foster the continuous employme

joandickinson-changeinco August 22, 2025 Joan Dickinson Re: Change in Control Severance Agreement AMENDED AND RESTATED Dear Joan: Mid Penn Bancorp, Inc.

EMPLOYMENT AGREEMENT THIS EMPLOYMENT AGREEMENT (“Agreement”) is made as of this 6th day of September, 2022 (the “Effective Date”), between MID PENN BANCORP, INC., a Pennsylvania business corporation (the “Corporation”), MID PENN BANK, a state-charter

joandickinson-evpemploym EMPLOYMENT AGREEMENT THIS EMPLOYMENT AGREEMENT (“Agreement”) is made as of this 6th day of September, 2022 (the “Effective Date”), between MID PENN BANCORP, INC.

MID PENN BANCORP, INC. CLAWBACK POLICY Last Date of Board Review/Approval: 01/21/2026 Original Board Approval Date: 01/24/2024 Person Responsible for Policy: CFO Date Last Revised: 01/21/2026 MID PENN BANCORP, INC. CLAWBACK POLICY Introduction The Bo

clawbackpolicy01212026 MID PENN BANCORP, INC. CLAWBACK POLICY Last Date of Board Review/Approval: 01/21/2026 Original Board Approval Date: 01/24/2024 Person Responsible for Policy: CFO Date Last Revised: 01/21/2026 MID PENN BANCORP, INC. CLAWBACK POLICY Introduction The Board of Directors (the “Board”) of Mid Penn Bancorp, Inc. (the “Company”) believes that it is in the best interests of the Compa

Mid Penn Bank Amended and Restated Supplemental Executive Retirement Plan Agreement This Amended and Restated Supplemental Executive Retirement Plan Agreement (this “Agreement”) is adopted this 6th day of September, 2022 (the “Effective Date”), by an

joandickinson-serpfinal Mid Penn Bank Amended and Restated Supplemental Executive Retirement Plan Agreement This Amended and Restated Supplemental Executive Retirement Plan Agreement (this “Agreement”) is adopted this 6th day of September, 2022 (the “Effective Date”), by and between Mid Penn Bank, a Pennsylvania bank and trust company headquartered in Millersburg, Pennsylvania (the “Bank”), and Joan Dickinson (the “Executive”).

AMENDMENT TO SUPPLEMENTAL EXECUTIVE RETIREMENT PLAN AGREEMENT THIS AMENDMENT TO SUPPLEMENTAL EXECUTIVE RETIREMENT PLAN AGREEMENT (“Amendment”) is made as of the 22nd day of August, 2025, by and between HEATHER HALL (the “Executive”) and MID PENN BANK

heatherhall-serpschedule AMENDMENT TO SUPPLEMENTAL EXECUTIVE RETIREMENT PLAN AGREEMENT THIS AMENDMENT TO SUPPLEMENTAL EXECUTIVE RETIREMENT PLAN AGREEMENT (“Amendment”) is made as of the 22nd day of August, 2025, by and between HEATHER HALL (the “Executive”) and MID PENN BANK (the “Bank”).

Mid Penn Bank Amended and Restated Supplemental Executive Retirement Plan Agreement This Amended and Restated Supplemental Executive Retirement Plan Agreement (this “Agreement”) is adopted this 6th day of September, 2022 (the “Effective Date”), by an

heatherhall-serpfinal Mid Penn Bank Amended and Restated Supplemental Executive Retirement Plan Agreement This Amended and Restated Supplemental Executive Retirement Plan Agreement (this “Agreement”) is adopted this 6th day of September, 2022 (the “Effective Date”), by and between Mid Penn Bank, a Pennsylvania bank and trust company headquartered in Millersburg, Pennsylvania (the “Bank”), and Heather Hall (the “Executive”).

AMENDMENT TO SUPPLEMENTAL EXECUTIVE RETIREMENT PLAN AGREEMENT THIS AMENDMENT TO SUPPLEMENTAL EXECUTIVE RETIREMENT PLAN AGREEMENT (“Amendment”) is made as of the 22nd day of August, 2025, by and between JOAN DICKINSON (the “Executive”) and MID PENN BA

joandickinson-serpschedu AMENDMENT TO SUPPLEMENTAL EXECUTIVE RETIREMENT PLAN AGREEMENT THIS AMENDMENT TO SUPPLEMENTAL EXECUTIVE RETIREMENT PLAN AGREEMENT (“Amendment”) is made as of the 22nd day of August, 2025, by and between JOAN DICKINSON (the “Executive”) and MID PENN BANK (the “Bank”).

MID PENN BANCORP, INC. Insider Trading Policy Board Reviewed/Approved: 01/21/2026 Original Board Approval Date: 08/23/06 Person Responsible for Policy: Chief Risk Officer Date Last Revised: 01/21/2026 INSIDER TRADING POLICY This Insider Trading Polic

insidertradingpolicy0121 MID PENN BANCORP, INC. Insider Trading Policy Board Reviewed/Approved: 01/21/2026 Original Board Approval Date: 08/23/06 Person Responsible for Policy: Chief Risk Officer Date Last Revised: 01/21/2026 INSIDER TRADING POLICY This Insider Trading Policy (the “Policy”) describes the standards of Mid Penn Bancorp, Inc. and its subsidiaries (collectively, the “Company”) with re

EMPLOYMENT AGREEMENT THIS EMPLOYMENT AGREEMENT (“Agreement”) is made as of this 6th day of September, 2022 (the “Effective Date”), between MID PENN BANCORP, INC., a Pennsylvania business corporation (the “Corporation”), MID PENN BANK, a state-charter

heatherhall-evpemploymen EMPLOYMENT AGREEMENT THIS EMPLOYMENT AGREEMENT (“Agreement”) is made as of this 6th day of September, 2022 (the “Effective Date”), between MID PENN BANCORP, INC.

SUBSIDIARIES OF REGISTRANT

MID PENN BANCORP, INC. EXHIBIT 21 SUBSIDIARIES OF REGISTRANT Name State of Incorporation Mid Penn Bank Pennsylvania MPB Financial Services LLC Pennsylvania MPB Risk Services LLC Pennsylvania MPB Acquisition Sub I LLC Pennsylvania MPB Wealth Management LLC Pennsylvania MPB Launchpad Fund 1 LLC Pennsylvania MPB Realty Holding LLC Pennsylvania

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-K x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2025 OR o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-13677 MID PENN BANCORP, INC.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 27, 2026 MID PENN BANCORP, INC. (Exact Na

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 27, 2026 MID PENN BANCORP, INC.

NEWS RELEASE Contact: Mid Penn Bancorp, Inc. Jennifer Trautlein [email protected] 717-914-6577 FOR IMMEDIATE RELEASE Mid Penn Bancorp, Inc. Completes Acquisition of 1st Colonial Bancorp, Inc. Harrisburg, Pa., (March 2, 2026) – Mid Penn Ba

a1stcolonialpressrelease NEWS RELEASE Contact: Mid Penn Bancorp, Inc. Jennifer Trautlein [email protected] 717-914-6577 FOR IMMEDIATE RELEASE Mid Penn Bancorp, Inc. Completes Acquisition of 1st Colonial Bancorp, Inc. Harrisburg, Pa., (March 2, 2026) – Mid Penn Bancorp, Inc. (“Mid Penn”) (NASDAQ: MPB) today announced that its acquisition of 1st Colonial Bancorp, Inc. (“1st Colonial”) wa

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 6, 2026 MID PENN BANCORP, INC. (Exact Nam

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 6, 2026 MID PENN BANCORP, INC.

NEWS RELEASE Contact: Mid Penn Bancorp, Inc. Jennifer Trautlein [email protected] (717) 914-6577 1st Colonial Bancorp, Inc. Mary Kay Shea [email protected] (856) 858 - 1100 FOR IMMEDIATE RELEASE MID PENN BANCORP, INC. AND 1ST COLONIAL BA

a1stcolonialregulatoryap NEWS RELEASE Contact: Mid Penn Bancorp, Inc. Jennifer Trautlein [email protected] (717) 914-6577 1st Colonial Bancorp, Inc. Mary Kay Shea [email protected] (856) 858 - 1100 FOR IMMEDIATE RELEASE MID PENN BANCORP, INC. AND 1ST COLONIAL BANCORP, INC. RECEIVE REGULATORY APPROVALS FOR MERGER HARRISBURG, Pa., (February 6, 2026) – Mid Penn Bancorp, Inc. (“Mid Penn”)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K/A Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 21, 2026 MID PENN BANCORP, INC. (Exact N

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K/A Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 21, 2026 MID PENN BANCORP, INC.

Mid Penn Bancorp, Inc. 2407 Park Drive Harrisburg, PA 17110

Exhibit 99.1 PRESS RELEASE Mid Penn Bancorp, Inc. 2407 Park Drive Harrisburg, PA 17110 1-866-642-7736 CONTACTS Rory G. Ritrievi Chair, President & Chief Executive Officer Justin T. Webb Chief Financial Officer MID PENN BANCORP, INC. REPORTS FOURTH QUARTER AND FULL YEAR EARNINGS, DECLARES 61ST CONSECUTIVE QUARTERLY DIVIDEND AND SPECIAL DIVIDEND January 21, 2026 – Harrisburg, PA – Mid Penn Bancorp,

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 21, 2026 MID PENN BANCORP, INC. (Exact Nam

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 21, 2026 MID PENN BANCORP, INC.

NEWS RELEASE Mid Penn Contact: Jennifer Trautlein 717-914-6577 [email protected] FOR IMMEDIATE RELEASE MID PENN BANK HIRES DANA STEWART AS CHIEF OPERATING OFFICER Millersburg, Pa. – January 8, 2026. Mid Penn Bank (the “Bank”), a wholly-ow

cooappointment-final NEWS RELEASE Mid Penn Contact: Jennifer Trautlein 717-914-6577 jen.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 5, 2026 MID PENN BANCORP, INC. (Exact Name

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 5, 2026 MID PENN BANCORP, INC.

1 MID PENN BANCORP, INC. COMPLETES ACQUISITION OF CUMBERLAND ADVISORS, INC. HARRISBURG, PENNSYLVANIA (January 5, 2026) - Mid Penn Bancorp, Inc. (NASDAQ: MPB) (“Mid Penn”), parent company of Mid Penn Bank, announced today that its acquisition of Saras

cumberlandadvisorsclosin 1 MID PENN BANCORP, INC. COMPLETES ACQUISITION OF CUMBERLAND ADVISORS, INC. HARRISBURG, PENNSYLVANIA (January 5, 2026) - Mid Penn Bancorp, Inc. (NASDAQ: MPB) (“Mid Penn”), parent company of Mid Penn Bank, announced today that its acquisition of Sarasota, FL-based Cumberland Advisors, Inc. (“Cumberland”) was completed on January 1, 2026. A registered investment advisory fir

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 1, 2026 MID PENN BANCORP, INC. (Exact Name

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 1, 2026 MID PENN BANCORP, INC.

4 Times Square 151 W 42nd Street, 19th Floor New York, NY 10036 T +1 212 372 1000 F +1 212 372 1001 www.rsmus.com December 29, 2025 Securities and Exchange Commission Washington, D.C. 20549 Commissioners: We have read Mid Penn Bancorp, Inc.’s stateme

midpenbancorp2025xtermi 4 Times Square 151 W 42nd Street, 19th Floor New York, NY 10036 T +1 212 372 1000 F +1 212 372 1001 www.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 23, 2025 MID PENN BANCORP, INC. (Exact Na

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 23, 2025 MID PENN BANCORP, INC.

MERGER PROPOSED — YOUR VOTE IS VERY IMPORTANT

TABLE OF CONTENTS  Filed Pursuant to Rule 424(b)(3)  Registration Statement No. 333-291759 MERGER PROPOSED — YOUR VOTE IS VERY IMPORTANT To the Shareholders of 1st Colonial Bancorp, Inc.: On behalf of the board of directors of 1st Colonial Bancorp, Inc. (“1st Colonial”), we are pleased to enclose the accompanying proxy statement/prospectus relating to the proposed acquisition by Mid Penn Bancorp,

Voting Instructions You may vote your proxy in the following ways: Via Internet: Login to https://annualgeneralmeetings.com/fcobsp2026/ Enter your control number (12 digit number located below) Via Mail: Pacific Stock Transfer Company Proxy Departmen

Exhibit 99.1 1ST COLONIAL BANCORP, INC. THIS PROXY IS SOLICITED ON BEHALF OF THE BOARD OF DIRECTORS. You, the shareholder signing this proxy card, hereby appoint Mary Kay Shea, as proxyholder, with the power to represent and vote, as designated on this card, all of the shares that you are entitled to vote at the Special Meeting of Shareholders of 1st Colonial Bancorp, Inc. (“1st Colonial”) to be h

As filed with the Securities and Exchange Commission on December 17, 2025

TABLE OF CONTENTS As filed with the Securities and Exchange Commission on December 17, 2025 Registration No.

CONSENT OF STEPHENS INC.

Exhibit 99.2 CONSENT OF STEPHENS INC. We hereby consent to the inclusion of our opinion letter to the Board of Directors of 1st Colonial Bancorp, Inc. (the “Company”) as Annex B to the Proxy Statement/Prospectus relating to the proposed merger of the Company with and into Mid Penn Bancorp, Inc. contained in the Registration Statement on Form S-4 (including Amendment No. 1), as filed with the Secur

CONSENT OF PROSPECTIVE DIRECTOR

Exhibit 99.3 CONSENT OF PROSPECTIVE DIRECTOR In accordance with Rule 438 promulgated under the Securities Act of 1933, as amended, I hereby consent to my being named in this Registration Statement on Form S-4, to which this consent is an exhibit, filed by Mid Penn Bancorp, Inc., a Pennsylvania corporation (“Mid Penn”), with the Securities and Exchange Commission, and all amendments (including post

As filed with the Securities and Exchange Commission on November 24, 2025

TABLE OF CONTENTS As filed with the Securities and Exchange Commission on November 24, 2025 Registration No.

Security Type

Calculation of Filing Fee Tables S-4 MID PENN BANCORP INC Table 1: Newly Registered and Carry Forward Securities ☐Not Applicable Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Carry Forward Form Type Carry Forward File Number Carry Forward Initial Effective Date Filing Fee Previously Paid in Connection with Unsold Securities to be Carried Forward Newly Registered Securities Fees to be Paid 1 Equity common stock, par value $1.

CONSENT OF STEPHENS INC.

Exhibit 99.2 CONSENT OF STEPHENS INC. We hereby consent to the inclusion of our opinion letter to the Board of Directors of 1st Colonial Bancorp, Inc. (the “Company”) as Annex C to the Proxy Statement/Prospectus relating to the proposed merger of the Company with and into Mid Penn Bancorp, Inc. contained in the Registration Statement on Form S-4, as filed with the Securities and Exchange Commissio

1 DRAFT 04.07.2021 MID PENN BANCORP, INC. Investor Presentation November 2025 2 Cautionary Note Regarding Forward-Looking Statements This presentation, and oral statements made regarding the subjects of this presentation, may contain forward-looking

a2025q3-investorpresenta 1 DRAFT 04.07.2021 MID PENN BANCORP, INC. Investor Presentation November 2025 2 Cautionary Note Regarding Forward-Looking Statements This presentation, and oral statements made regarding the subjects of this presentation, may contain forward-looking statements, including, but not limited to, certain plans, expectations, goals, projections, and statements about the benefits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 10, 2025 MID PENN BANCORP, INC. (Exact Na

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 10, 2025 MID PENN BANCORP, INC.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2025 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-13677 MID PENN BANCORP, I

1 MID PENN BANK SPLIT DOLLAR AGREEMENT This Split Dollar Agreement (“Agreement”) is entered into this 24th day of October, 2025 (the “Effective Date”), by and between Mid Penn Bank, a Pennsylvania bank and trust company headquartered in Millersburg,

a101splitdollaragreement 1 MID PENN BANK SPLIT DOLLAR AGREEMENT This Split Dollar Agreement (“Agreement”) is entered into this 24th day of October, 2025 (the “Effective Date”), by and between Mid Penn Bank, a Pennsylvania bank and trust company headquartered in Millersburg, Pennsylvania (the “Bank”), and Rory G.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 24, 2025 MID PENN BANCORP, INC. (Exact Nam

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 24, 2025 MID PENN BANCORP, INC.

Mid Penn Bank 2025 Supplemental Executive Retirement Plan Agreement This 2025 Supplemental Executive Retirement Plan Agreement (this “Agreement”) is adopted this 24th day of October, 2025 (the “Effective Date”), by and between Mid Penn Bank, a Pennsy

a102serpagreement Mid Penn Bank 2025 Supplemental Executive Retirement Plan Agreement This 2025 Supplemental Executive Retirement Plan Agreement (this “Agreement”) is adopted this 24th day of October, 2025 (the “Effective Date”), by and between Mid Penn Bank, a Pennsylvania bank and trust company headquartered in Millersburg, Pennsylvania (the “Bank”), and Rory G.

Mid Penn Bancorp, Inc. 2407 Park Drive Harrisburg, PA 17110

Exhibit 99.1 PRESS RELEASE Mid Penn Bancorp, Inc. 2407 Park Drive Harrisburg, PA 17110 1-866-642-7736 CONTACTS Rory G. Ritrievi Chair, President & Chief Executive Officer Justin T. Webb Chief Financial Officer MID PENN BANCORP, INC. REPORTS THIRD QUARTER EARNINGS AND DECLARES 60TH CONSECUTIVE QUARTERLY DIVIDEND October 22, 2025 – Harrisburg, PA – Mid Penn Bancorp, Inc. (NASDAQ: MPB) ("Mid Penn"),

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 22, 2025 MID PENN BANCORP, INC. (Exact Nam

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 22, 2025 MID PENN BANCORP, INC.

Disclaimer No Offer or Solicitation This presentation is solely for informational purposes and has been prepared to assist interested parties in making their own evaluation of Mid Penn Bancorp, Inc. (the Company or “Mid Penn”) and does not purport to

EX-99.2 Driving Growth Through Strategic Partnership: Acquisition of Cumberland Advisors, Inc. September 25, 2025 Exhibit 99.2 Disclaimer No Offer or Solicitation This presentation is solely for informational purposes and has been prepared to assist interested parties in making their own evaluation of Mid Penn Bancorp, Inc. (the Company or “Mid Penn”) and does not purport to contain all of the inf

AGREEMENT AND PLAN OF MERGER BY AND BETWEEN MID PENN BANCORP, INC. 1st COLONIAL BANCORP, INC. dated as of September 24, 2025

EX-2.1 Exhibit 2.1 EXECUTION VERSION AGREEMENT AND PLAN OF MERGER BY AND BETWEEN MID PENN BANCORP, INC. AND 1st COLONIAL BANCORP, INC. dated as of September 24, 2025 TABLE OF CONTENTS Page ARTICLE I CERTAIN DEFINITIONS 1 1.1. Certain Definitions. 1 ARTICLE II THE MERGER 10 2.1. Merger. 10 2.2. Effective Time; Closing. 10 2.3. Articles of Incorporation and Bylaws. 11 2.4. Directors and Officers. 11

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 25, 2025 (September 24, 2

425 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 25, 2025 (September 24, 2025) MID PENN BANCORP, INC.

MID PENN BANCORP, INC. TO ACQUIRE CUMBERLAND ADVISORS

EX-99.1 Exhibit 99.1 MID PENN BANCORP, INC. TO ACQUIRE CUMBERLAND ADVISORS HARRISBURG, PENNSYLVANIA (September 25, 2025) - Mid Penn Bancorp, Inc. (NASDAQ: MPB) (“Mid Penn”), parent company of Mid Penn Bank, announced today that it has entered into an agreement to acquire Sarasota, FL-based Cumberland Advisors (“Cumberland”). Cumberland recorded a year-to-date annualized revenue of $9.0 million as

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 25, 2025 (September 24, 2

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 25, 2025 (September 24, 2025) MID PENN BANCORP, INC.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 24, 2025 MID PENN BANCORP

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 24, 2025 MID PENN BANCORP, INC.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 24, 2025 MID PENN BANCORP

425 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 24, 2025 MID PENN BANCORP, INC.

CAUTIONARY NOTE REGARDING FORWARD-LOOKING STATEMENTS This presentation may contain forward-looking statements, including, but not limited to, certain plans, expectations, goals, projections, and statements about the benefits of the proposed business

EX-99.2 09 September 24, 2025 Acquisition of 1st Colonial Bancorp, Inc. Exhibit 99.2 CAUTIONARY NOTE REGARDING FORWARD-LOOKING STATEMENTS This presentation may contain forward-looking statements, including, but not limited to, certain plans, expectations, goals, projections, and statements about the benefits of the proposed business combination transaction between Mid Penn Bancorp, Inc. (“Mid Penn

Mid Penn Bancorp, Inc. Announces Agreement to Acquire 1st Colonial Bancorp, Inc.

EX-99.1 Exhibit 99.1 Mid Penn Bancorp, Inc. Announces Agreement to Acquire 1st Colonial Bancorp, Inc. Harrisburg, PA and Mount Laurel, NJ, September 24, 2025 – Mid Penn Bancorp, Inc. (“Mid Penn”) (Nasdaq: MPB) and 1st Colonial Bancorp, Inc. (“1st Colonial”) (OTCPK: FCOB) jointly announced today that they have entered into a definitive agreement pursuant to which Mid Penn will acquire 1st Colonial

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 22, 2025 MID PENN BANCORP, INC. (Exact Name

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 22, 2025 MID PENN BANCORP, INC.

1 August 22, 2025 Jordan Space Re: Change in Control Severance Agreement AMENDED AND RESTATED Dear Jordan: Mid Penn Bancorp, Inc. (the “Corporation”) considers it essential and in the best interests of its shareholders to foster the continuous employ

a104-spacejordanxamended 1 August 22, 2025 Jordan Space Re: Change in Control Severance Agreement AMENDED AND RESTATED Dear Jordan: Mid Penn Bancorp, Inc.

AMENDMENT TO SUPPLEMENTAL EXECUTIVE RETIREMENT PLAN AGREEMENT THIS AMENDMENT TO SUPPLEMENTAL EXECUTIVE RETIREMENT PLAN AGREEMENT (“Amendment”) is made as of the 22nd day of August, 2025, by and between JUSTIN WEBB (the “Executive”) and MID PENN BANK

a101-webbjustinserpsched AMENDMENT TO SUPPLEMENTAL EXECUTIVE RETIREMENT PLAN AGREEMENT THIS AMENDMENT TO SUPPLEMENTAL EXECUTIVE RETIREMENT PLAN AGREEMENT (“Amendment”) is made as of the 22nd day of August, 2025, by and between JUSTIN WEBB (the “Executive”) and MID PENN BANK (the “Bank”).

AMENDMENT TO SUPPLEMENTAL EXECUTIVE RETIREMENT PLAN AGREEMENT THIS AMENDMENT TO SUPPLEMENTAL EXECUTIVE RETIREMENT PLAN AGREEMENT (“Amendment”) is made as of the 22nd day of August, 2025, by and between SCOTT MICKLEWRIGHT (the “Executive”) and MID PEN

a102-micklewrightscottse AMENDMENT TO SUPPLEMENTAL EXECUTIVE RETIREMENT PLAN AGREEMENT THIS AMENDMENT TO SUPPLEMENTAL EXECUTIVE RETIREMENT PLAN AGREEMENT (“Amendment”) is made as of the 22nd day of August, 2025, by and between SCOTT MICKLEWRIGHT (the “Executive”) and MID PENN BANK (the “Bank”).

AMENDMENT TO SUPPLEMENTAL EXECUTIVE RETIREMENT PLAN AGREEMENT THIS AMENDMENT TO SUPPLEMENTAL EXECUTIVE RETIREMENT PLAN AGREEMENT (“Amendment”) is made as of the 22nd day of August, 2025, by and between JORDAN SPACE (the “Executive”) and MID PENN BANK

a103-spacejordanserpsche AMENDMENT TO SUPPLEMENTAL EXECUTIVE RETIREMENT PLAN AGREEMENT THIS AMENDMENT TO SUPPLEMENTAL EXECUTIVE RETIREMENT PLAN AGREEMENT (“Amendment”) is made as of the 22nd day of August, 2025, by and between JORDAN SPACE (the “Executive”) and MID PENN BANK (the “Bank”).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2025 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-13677 MID PENN BANCORP, INC. (

1 DRAFT 04.07.2021 MID PENN BANCORP, INC. Investor Presentation July 2025 2 Cautionary Notice Regarding Forward-Looking Statements This presentation regarding Mid Penn Bancorp, Inc. (“Mid Penn”), and oral statements made regarding the subjects of thi

1 DRAFT 04.07.2021 MID PENN BANCORP, INC. Investor Presentation July 2025 2 Cautionary Notice Regarding Forward-Looking Statements This presentation regarding Mid Penn Bancorp, Inc. (“Mid Penn”), and oral statements made regarding the subjects of this release, contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. Such statements are not his

Regulation FD Disclosure

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 29, 2025 MID PENN BANCORP, INC.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K/A AMENDMENT NO. 1 TO CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 13, 2025 M

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K/A AMENDMENT NO.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 23, 2025 MID PENN BANCORP, INC. (Exact Name o

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 23, 2025 MID PENN BANCORP, INC.

Mid Penn Bancorp, Inc. 2407 Park Drive Harrisburg, PA 17110

Exhibit 99.1 PRESS RELEASE Mid Penn Bancorp, Inc. 2407 Park Drive Harrisburg, PA 17110 1-866-642-7736 CONTACTS Rory G. Ritrievi Chair, President & Chief Executive Officer Justin T. Webb Chief Financial Officer MID PENN BANCORP, INC. REPORTS SECOND QUARTER EARNINGS AND DECLARES 59TH CONSECUTIVE QUARTERLY DIVIDEND July 23, 2025 – Harrisburg, PA – Mid Penn Bancorp, Inc. (NASDAQ: MPB) ("Mid Penn"), th

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K/A (Amendment No. 1) Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 30, 2025 MID PENN BANCOR

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K/A (Amendment No.

PART I — FINANCIAL INFORMATION

Exhibit 99.2 PART I — FINANCIAL INFORMATION ITEM 1. FINANCIAL STATEMENTS (UNAUDITED) WILLIAM PENN BANCORPORATION AND SUBSIDIARIES CONSOLIDATED STATEMENTS OF FINANCIAL CONDITION (Dollars in thousands, except share and per share amounts) As of December 31, 2024 and June 30, 2024 (unaudited) December 31, 2024 June 30, 2024 ASSETS Cash and due from banks $ 4,730 $ 6,539 Interest bearing deposits with

UNAUDITED PRO FORMA CONDENSED COMBINED FINANCIAL STATEMENTS AND PER SHARE DATA

EX-99.3 Exhibit 99.3 UNAUDITED PRO FORMA CONDENSED COMBINED FINANCIAL STATEMENTS AND PER SHARE DATA The unaudited pro forma combined condensed consolidated financial information has been prepared using the acquisition method of accounting under the provisions of the Financial Accounting Standards Board Accounting Standards Codification 805, “Business Combinations”, giving effect to the proposed me

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 11-K

11-K Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.

As filed with the Securities and Exchange Commission on June 20, 2025

S-8 As filed with the Securities and Exchange Commission on June 20, 2025 Registration No.

Filing Fee Table

EX-FILING FEES Exhibit 107 CALCULATION OF FILING FEE TABLE FORM S-8 (Form Type) Mid Penn Bancorp, Inc.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 13, 2025 MID PENN BANCORP, INC. (Exact Name of

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 13, 2025 MID PENN BANCORP, INC.

1 DRAFT 04.07.2021 MID PENN BANCORP, INC. Annual Meeting of Shareholders May 13, 2025 2 Source: Company Documents. Introduction of Board Members Rory G. Ritrievi Chair, President & CEO Mid Penn Bancorp, Inc. and Mid Penn Bank 3 Source: Company Docume

1 DRAFT 04.07.2021 MID PENN BANCORP, INC. Annual Meeting of Shareholders May 13, 2025 2 Source: Company Documents. Introduction of Board Members Rory G. Ritrievi Chair, President & CEO Mid Penn Bancorp, Inc. and Mid Penn Bank 3 Source: Company Documents. Robert A. Abel Board Member of Mid Penn Bancorp, Inc. Principal Brown Plus Kimberly J. Brumbaugh Board Member of Mid Penn Bancorp, Inc. Founder a

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 13, 2025 MID PENN BANCORP, INC.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2025 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-13677 MID PENN BANCORP, INC.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 30, 2025 MID PENN BANCORP, INC. (Exact Name

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 30, 2025 MID PENN BANCORP, INC.

As filed with the Securities and Exchange Commission on May 1, 2025

S-8 As filed with the Securities and Exchange Commission on May 1, 2025 Registration No.

illiam Penn Bancorporation 2022 Equity In

EX-10.1 Exhibit 10.1 WILLIAM PENN BANCORPORATION 2022 EQUITY INCENTIVE PLAN ARTICLE 1 — PURPOSE AND GENERAL PROVISIONS 1.1 Establishment of Plan. William Penn Bancorporation, a Maryland corporation (the “Company”), hereby establishes an equity incentive compensation plan to be known as the “William Penn Bancorporation 2022 Equity Incentive Plan” (the “Plan”), as set forth in this document. 1.2 Pur

Filing Fee Table

EX-FILING FEES Exhibit 107.1 CALCULATION OF FILING FEE TABLE FORM S-8 (Form Type) Mid Penn Bancorp, Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Equity Common Stock

# # #

EX-99.1 Exhibit 99.1 NEWS RELEASE Contact: Mid Penn Bancorp, Inc. Jennifer Trautlein [email protected] 717-914-6577 FOR IMMEDIATE RELEASE Mid Penn Bancorp, Inc. Completes Acquisition of William Penn Bancorporation Harrisburg, Pa., (May 1, 2025) – Mid Penn Bancorp, Inc. (“Mid Penn”) (NASDAQ: MPB) today announced that its acquisition of William Penn Bancorporation (“William Penn”) was co

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 24, 2025 MID PENN BANCORP, INC.

Mid Penn Bancorp, Inc. 2407 Park Drive Harrisburg, PA 17110

Exhibit 99.1 PRESS RELEASE Mid Penn Bancorp, Inc. 2407 Park Drive Harrisburg, PA 17110 1-866-642-7736 CONTACTS Rory G. Ritrievi Chair, President & Chief Executive Officer Justin T. Webb Chief Financial Officer MID PENN BANCORP, INC. REPORTS FIRST QUARTER EARNINGS AND DECLARES 58TH CONSECUTIVE QUARTERLY DIVIDEND April 23, 2025 – Harrisburg, PA – Mid Penn Bancorp, Inc. (NASDAQ: MPB) ("Mid Penn"), th

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 23, 2025 MID PENN BANCORP, INC.

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 2, 2025 MID PENN BANCORP, INC.

1 DRAFT 04.07.2021 MID PENN BANCORP, INC. Special Meeting of Shareholders April 2, 2025 2 $167 $317 Philly MSA $47 $136 Lanscaster MSA $161 $104 $72 MPB County Overall Excl. Top 3 $41 $129 $107 WMPN County Overall Excl. Top 3 $55 $157 $99 WMPN County

a20250402-specialmeeting 1 DRAFT 04.07.2021 MID PENN BANCORP, INC. Special Meeting of Shareholders April 2, 2025 2 $167 $317 Philly MSA $47 $136 Lanscaster MSA $161 $104 $72 MPB County Overall Excl. Top 3 $41 $129 $107 WMPN County Overall Excl. Top 3 $55 $157 $99 WMPN County Overall Excl. Top 3 $942 $2,209 Harrisburg MSA $87 $168 $92 MPB County Overall Excl. Top 3 $183 $319 Reading MSA 2019 2024 2

Mid Penn Bancorp, Inc.

NEWS RELEASE Contact: Mid Penn Bancorp, Inc. Jennifer Trautlein [email protected] 717-914-6577 William Penn Bancorporation Kenneth J. Stephon 856-656-2201, ext. 1009 FOR IMMEDIATE RELEASE Mid Penn Bancorp, Inc. and William Penn Bancorporation Receive Shareholder Approvals for Merger HARRISBURG, Pa., (April 2, 2025) – Mid Penn Bancorp, Inc. (“Mid Penn”) (NASDAQ: MPB) and William Penn Ba

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 2, 2025 MID PENN BANCORP, INC.

Mid Penn Bancorp, Inc.

NEWS RELEASE Contact: Mid Penn Bancorp, Inc. Jennifer Trautlein [email protected] 717-914-6577 William Penn Bancorporation Kenneth J. Stephon 856-656-2201, ext. 1009 FOR IMMEDIATE RELEASE Mid Penn Bancorp, Inc. and William Penn Bancorporation Receive Regulatory Approvals for Merger HARRISBURG, Pa., (March 28, 2025) – Mid Penn Bancorp, Inc. (“Mid Penn”) (NASDAQ: MPB) and William Penn Ba

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.   )

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.   ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule

ARS

2024 ANNUAL REPORT TO SHAREHOLDERSDear Fellow Shareholders, At the end of last year’s shareholder letter, we cautioned our comments about 2024 due to the ongoing difficulty of the operating environment, particularly the inverted interest rate yield curve, persistent inflation, ongoing geopolitical strife from two foreign wars, and a concern over the safety and soundness of commercial real estate across the country.

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 28, 2025 MID PENN BANCORP, INC.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.   )

DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.   ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-K x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 OR o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-13677 MID PENN BANCORP, INC.

Subsidiaries of Registrant

MID PENN BANCORP, INC. EXHIBIT 21 SUBSIDIARIES OF REGISTRANT Name State of Incorporation Mid Penn Bank Pennsylvania MPB Financial Services LLC Pennsylvania MPB Wealth Management LLC Pennsylvania MPB Risk Services LLC Pennsylvania MPB Launchpad Fund 1 LLC Pennsylvania MPB Realty Holding LLC Pennsylvania

nsider Trading Policy

MID PENN BANCORP, INC. Insider Trading Policy Board Reviewed/Approved: 01/22/2025 Original Board Approval Date: 08/23/06 Person Responsible for Policy: Chief Risk Officer Date Last Revised: 01/24/2024 INSIDER TRADING POLICY This Insider Trading Policy (the “Policy”) describes the standards of Mid Penn Bancorp, Inc. and its subsidiaries (collectively, the “Company”) with respect to trading, and cau

1 DRAFT 04.07.2021 MID PENN BANCORP, INC. Investor Presentation February 2025 2 Important Additional Information and Where to Find It This presentation is solely for informational purposes and has been prepared to assist interested parties in making

a2024q4mpbinvestorpresen 1 DRAFT 04.07.2021 MID PENN BANCORP, INC. Investor Presentation February 2025 2 Important Additional Information and Where to Find It This presentation is solely for informational purposes and has been prepared to assist interested parties in making their own evaluation of Mid Penn Bancorp, Inc. (the Company or “Mid Penn”) and does not purport to contain all of the informa

Regulation FD Disclosure

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 25, 2025 MID PENN BANCORP, INC.

Joint Proxy Statement/Prospectus MERGER PROPOSED—YOUR VOTE IS VERY IMPORTANT

Table of Contents Filed Pursuant to Rule 424 (b)(3) Registration No. 333-284342 Joint Proxy Statement/Prospectus MERGER PROPOSED—YOUR VOTE IS VERY IMPORTANT Dear Shareholder: On October 31, 2024, Mid Penn Bancorp, Inc., or Mid Penn, and William Penn Bancorporation, or William Penn, entered into a merger agreement, under which William Penn will merge with and into Mid Penn, with Mid Penn remaining

JOINT FILING AGREEMENT

JOINT FILING AGREEMENT The undersigned hereby agree that this Schedule 13G (the “Schedule 13G”) with respect to the common stock of Mid Penn Bancorp, Inc.

Form of Proxy Card for Special Meeting of Shareholders of Mid Penn Bancorp, Inc.

Exhibit 99.1 P.O. BOX 8016, CARY, NC 27512-9903        Scan QR for    digital voting Mid Penn Bancorp, Inc. Internet: www.proxypush.com/MPB Special Meeting of Shareholders •  Cast your vote online •  Have your Proxy Card ready •  Follow the simple instructions to record your vote For Shareholders of record as of January 31, 2025 Phone: Wednesday, April 2, 2025 9:00 AM, Eastern Time 1-866-883-0222

MID PENN BANCORP, INC. 2407 Park Drive Harrisburg, Pennsylvania 17110

CORRESP MID PENN BANCORP, INC. 2407 Park Drive Harrisburg, Pennsylvania 17110 February 5, 2025 VIA EDGAR Securities and Exchange Commission Division of Corporation Finance Office of Finance 100 F. Street, N.E. Washington, D.C. 20549 Re: Mid Penn Bancorp, Inc.   Registration Statement on Form S-4   File No. 333-284342   Request for Effectiveness Ladies and Gentlemen: Pursuant to Rule 461 under the

Form of Proxy Card for Special Meeting of Shareholders of William Penn Bancorporation

Exhibit 99.2 WILLIAM PENN BANCORPORATION 10 CANAL STREET, SUITE 104 BRISTOL, PA 19007 VOTE BY INTERNET - www.proxyvote.com or scan the QR Barcode above Use the Internet to transmit your voting instructions and for electronic delivery of information. Vote by 11:59 p.m. Eastern Time on April 1, 2025 for shares held directly and by 11:59 p.m. Eastern Time on March 28, 2025 for shares held in a Plan.

As Filed with the Securities and Exchange Commission on February 5, 2025.

Table of Contents As Filed with the Securities and Exchange Commission on February 5, 2025.

LETTER

January 27, 2025 Rory G. Ritrievi President and Chief Executive Officer Mid Penn Bancorp, Inc. 2407 Park Drive Harrisburg, PA 17110 Re: Mid Penn Bancorp, Inc. Registration Statement on Form S-4 Filed January 17, 2025 File No. 333-284342 Dear Rory G. Ritrievi: This is to advise you that we have not reviewed and will not review your registration statement. Please refer to Rules 460 and 461 regarding

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 22, 2025 MID PENN BANCORP, INC.

id Penn Bancorp, Inc. Executive Annual Incentive Plan

MID PENN BANCORP, INC. EXECUTIVE ANNUAL INCENTIVE PLAN 1.Establishment, Purpose and Duration 1.1Establishment. This Executive Annual Incentive Plan (the “Plan”) is adopted by Mid Penn Bancorp, Inc. (the “Company” and, together with its wholly-owned subsidiaries, “Mid Penn”), effective as of January 1, 2025 (the “Effective Date”). 1.2Purpose. The purpose of the Plan is to optimize the profitability

Results of Operations and Financial Condition, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 22, 2025 MID PENN BANCORP, INC.

Mid Penn Bancorp, Inc. 2407 Park Drive Harrisburg, PA 17110

Exhibit 99.1 PRESS RELEASE Mid Penn Bancorp, Inc. 2407 Park Drive Harrisburg, PA 17110 1-866-642-7736 CONTACTS Rory G. Ritrievi Chair, President & Chief Executive Officer Justin T. Webb Chief Financial Officer MID PENN BANCORP, INC. REPORTS FOURTH QUARTER AND FULL YEAR EARNINGS BEAT AND DECLARES 57TH CONSECUTIVE QUARTERLY DIVIDEND January 22, 2025 – Harrisburg, PA – Mid Penn Bancorp, Inc. (NASDAQ:

Consent of Piper Sandler & Co.

Exhibit 99.3 1251 AVENUE OF THE AMERICAS, 6TH FLOOR NEWYORK, NY 10020 P 212 466-7800 | TF 800 635-6851 Piper Sandler & Co. Since 1885. Member SIPC and NYSE. CONSENT OF PIPER SANDLER & CO. We hereby consent to the inclusion of our opinion letter to the Board of Directors of William Penn Bancorporation (the “Company”) as an Annex to the Joint Proxy Statement/Prospectus relating to the proposed merge

As Filed with the Securities and Exchange Commission on January 17, 2025.

Table of Contents As Filed with the Securities and Exchange Commission on January 17, 2025.

Calculation of Registration Fee Table

Exhibit 107 Calculation of Filing Fee Tables Form S-4 (Form Type) Mid Penn Bancorp, Inc.

Consent of Kenneth J. Stephon

Exhibit 99.5 Consent of Proposed Director Pursuant to Rule 438 promulgated under the Securities Act of 1933, as amended, the undersigned hereby consents to be named in this Registration Statement on Form S-4 (the “Registration Statement”) of Mid Penn Bancorp, Inc., and any amendments thereto, as a person who is proposed to become a member of the Board of Directors of Mid Penn Bancorp, Inc. (or its

Consent of Keefe, Bruyette & Woods, Inc.

Exhibit 99.4 CONSENT OF KEEFE, BRUYETTE & WOODS, INC. We hereby consent to the inclusion of our opinion letter to the Board of Directors of Mid Penn Bancorp, Inc. (“Mid Penn”), as Annex C to the Joint Proxy Statement and Prospectus which forms a part of the Registration Statement on Form S-4 filed on the date hereof (the “Registration Statement”) relating to the proposed merger of William Penn Ban

Exhibit 4.1

Exhibit 4.1 Description of Mid Penn Bancorp, Inc.’s Securities Authorized Shares Our articles of incorporation authorize the issuance of capital stock consisting of 40,000,000 shares of common stock, par value $1.00 per share, and 10,000,000 shares of preferred stock, par value $1.00 per share. Shareholder Liability All outstanding shares of our common stock are fully paid and nonassessable. Under

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 11, 2024 WILLIAM PENN BANC

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 11, 2024 WILLIAM PENN BANCORPORATION (Exact Name of Registrant as Specified in Its Charter) Maryland 001-40255 85-3898797 (State or other jurisdiction of (Commission (IRS Employer incorporation or organization) File Number) Identification No.

Regulation FD Disclosure

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 11, 2024 MID PENN BANCORP, INC.

1 Pro Forma 09 December 11, 2024 Virtual Bank Conference Presentation + 2 Pro Forma Cautionary Note Regarding Forward-Looking Statements Statements included in this presentation which are not historical in nature or do not relate to current facts are

1 Pro Forma 09 December 11, 2024 Virtual Bank Conference Presentation + 2 Pro Forma Cautionary Note Regarding Forward-Looking Statements Statements included in this presentation which are not historical in nature or do not relate to current facts are intended to be, and are hereby identified as, forward-looking statements for purposes of the safe harbor provided by Section 27A of the Securities Act of 1933, as amended (the “Securities Act”), and Section 21E of the Securities Exchange Act of 1934, as amended (the “Exchange Act”).

MPB / Mid Penn Bancorp, Inc. / Hudson Susan Doris - SC 13D Activist Investment

SC 13D 1 d869518dsc13d.htm SC 13D UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13D (Rule 13d-101) Information to be Included in Statements Filed Pursuant to § 240.13d-1(a) and Amendments Thereto Filed Pursuant to § 240.13d-2(a) Under the Securities Exchange Act of 1934 Mid Penn Bancorp, Inc. (Name of Issuer) Common Stock, par value $0.01 per share (Title of Clas

JOINT FILING AGREEMENT

EX-7.A 2 d869518dex7a.htm EX-7.A CUSIP No. 59540G107 SCHEDULE 13D Page 1 0 of 10 Exhibit 7(a) JOINT FILING AGREEMENT The undersigned acknowledge and agree that the foregoing statement on Schedule 13D is filed on behalf of each of the undersigned and that all subsequent amendments to this statement on Schedule 13D shall be filed on behalf of each of the undersigned without the necessity of filing a

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-13677 MID PENN BANCORP, I

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 5, 2024 MID PENN BANCORP, INC.

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 4, 2024 MID PENN BANCORP, INC.

MID PENN BANCORP, INC. ANNOUNCES CLOSING OF PUBLIC OFFERING OF COMMON STOCK

Exhibit 99.1 MID PENN BANCORP, INC. ANNOUNCES CLOSING OF PUBLIC OFFERING OF COMMON STOCK HARRISBURG, PENNSYLVANIA (November 4, 2024) – Mid Penn Bancorp, Inc. (“Mid Penn” or the “Company”) (NASDAQ: MPB), the parent company of Mid Penn Bank, announced today that it has completed its underwritten public offering of 2,375,000 shares of common stock at a price of $29.50 per share. The aggregate gross p

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 1, 2024 MID PENN BANCORP, INC. (Exact Nam

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 1, 2024 MID PENN BANCORP, INC.

Underwriting Agreement, dated November 1, 2024, by and among Mid Penn Bancorp, Inc., Mid Penn Bank and Stephens Inc. and Piper Sandler & Co., as representatives of the underwriters

Exhibit 1.1 MID PENN BANCORP, INC. Common Stock, par value $1.00 per share UNDERWRITING AGREEMENT November 1, 2024 STEPHENS INC. PIPER SANDLER & CO. As Representatives of the several Underwriters named in Schedule I attached hereto, c/o Stephens Inc. 660 Fifth Avenue, 26th Floor New York, New York 10103 c/o Piper Sandler & Co. 1251 Avenue of the Americas, 6th Floor New York, NY 10020 Ladies and Ge

Regulation FD Disclosure

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 1, 2024 MID PENN BANCORP, INC.

1

Exhibit 99.3 FOR IMMEDIATE RELEASE DATE: October 16, 2024 CONTACT: Kenneth J. Stephon Chairman, President and CEO PHONE: (856) 656-2201, ext. 1009 WILLIAM PENN BANCORPORATION ANNOUNCES QUARTER END RESULTS AND CASH DIVIDEND TO SHAREHOLDERS BRISTOL, PENNSYLVANIA, October 16, 2024 — William Penn Bancorporation (“William Penn” or the “Company”) (NASDAQ CM: WMPN), the parent company of William Penn Ban

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 31, 2024 MID PENN BANCORP, INC. (Exact Nam

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 31, 2024 MID PENN BANCORP, INC.

Agreement and Plan of Merger, by and between Mid Penn Bancorp, Inc., and William Penn Bancorporation, dated October 31, 2024

Exhibit 2.1 AGREEMENT AND PLAN OF MERGER BY AND BETWEEN MID PENN BANCORP, INC. AND WILLIAM PENN BANCORPORATION dated as of October 31, 2024 TABLE OF CONTENTS Page ARTICLE I CERTAIN DEFINITIONS 2 1.1. Certain Definitions 2 ARTICLE II THE MERGER 11 2.1. Merger 11 2.2. Effective Time; Closing 11 2.3. Articles of Incorporation and Bylaws 12 2.4. Directors and Officers 12 2.5. Effects of the Merger 12

Mid Penn Bancorp, Inc. 2407 Park Drive Harrisburg, PA 17110 Rory G. Ritrievi Justin T. Webb Chair, President & Chief Executive Officer Chief Financial Officer MID PENN BANCORP, INC. ANNOUNCES PRICING OF $70 MILLION OFFERING OF COMMON STOCK

Exhibit 99.1 Mid Penn Bancorp, Inc. 2407 Park Drive Harrisburg, PA 17110 1-866-642-7736 CONTACTS Rory G. Ritrievi Justin T. Webb Chair, President & Chief Executive Officer Chief Financial Officer MID PENN BANCORP, INC. ANNOUNCES PRICING OF $70 MILLION OFFERING OF COMMON STOCK HARRISBURG, PENNSYLVANIA (November 1, 2024) – Mid Penn Bancorp, Inc. (NASDAQ: MPB) (“Mid Penn” or the “Company”) today anno

MID PENN BANCORP, INC. TO ACQUIRE WILLIAM PENN BANCORPORATION

Exhibit 99.1 MID PENN BANCORP, INC. TO ACQUIRE WILLIAM PENN BANCORPORATION HARRISBURG, PENNSYLVANIA (November 1, 2024)—Mid Penn Bancorp, Inc. (NASDAQ: MPB) (“Mid Penn”) and William Penn Bancorporation (“William Penn”) (NASDAQ: WMPN) jointly announced today that they have entered into a definitive agreement and plan of merger, pursuant to which William Penn will merge with and into Mid Penn (the “M

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

Exhibit 99.2 REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM To the Stockholders and the Board of Directors of William Penn Bancorporation Opinion on the Financial Statements We have audited the accompanying consolidated statements of financial condition of William Penn Bancorporation and subsidiaries (the “Company”) as of June 30, 2024 and 2023; the related consolidated statements of inco

Subject To Completion, Dated November 1, 2024

Table of Contents Filed Pursuant to Rule 424(b)(5) Registration Statement Number 333-274177 The information in this preliminary prospectus supplement is not complete and may be changed.

Strategic Acquisition of William Penn Bancorporation + Opportunistic Follow-on Offering November 1, 2024

Exhibit 99.2 Strategic Acquisition of William Penn Bancorporation + Opportunistic Follow-on Offering November 1, 2024 Disclaimer Cautionary Note Regarding Forward-Looking Statements Statements included in this presentation which are not historical in nature or do not relate to current facts are intended to be, and are hereby identified as, forward-looking statements for purposes of the safe harbor

$70,000,000 Common Stock

Table of Contents Filed Pursuant to Rule 424(b)(5) Registration Statement Number 333-274177 PROSPECTUS SUPPLEMENT (To Prospectus Dated August 23, 2023) $70,000,000 Common Stock We are offering 2,375,000 shares of our common stock, par value $1.

Issuer Free Writing Prospectus

Issuer Free Writing Prospectus Filed Pursuant to Rule 433 Registration No. 333-274177 November 1, 2024 Strategic Acquisition of William Penn Bancorporation + Opportunistic Follow-on Offering November 1, 2024 Disclaimer Cautionary Note Regarding Forward-Looking Statements Statements included in this presentation which are not historical in nature or do not relate to current facts are intended to be

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 31, 2024 MID PENN BANCORP, INC.

Results of Operations and Financial Condition, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 23, 2024 MID PENN BANCORP, INC.

Mid Penn Bancorp, Inc. 2407 Park Drive Harrisburg, PA 17110

Exhibit 99.1 PRESS RELEASE Mid Penn Bancorp, Inc. 2407 Park Drive Harrisburg, PA 17110 1-866-642-7736 CONTACTS Rory G. Ritrievi Chair, President & Chief Executive Officer Justin T. Webb Chief Financial Officer MID PENN BANCORP, INC. REPORTS THIRD QUARTER EARNINGS BEAT AND DECLARES 56TH CONSECUTIVE QUARTERLY DIVIDEND October 23, 2024 – Harrisburg, PA – Mid Penn Bancorp, Inc. (NASDAQ: MPB) ("Mid Pen

Regulation FD Disclosure

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 18, 2024 MID PENN BANCORP, INC.

1 DRAFT 04.07.2021 MID PENN BANCORP, INC. Investor Presentation September 2024 2 Cautionary Notice Regarding Forward-Looking Statements This presentation regarding Mid Penn Bancorp, Inc. (“Mid Penn”), and oral statements made regarding the subjects o

1 DRAFT 04.07.2021 MID PENN BANCORP, INC. Investor Presentation September 2024 2 Cautionary Notice Regarding Forward-Looking Statements This presentation regarding Mid Penn Bancorp, Inc. (“Mid Penn”), and oral statements made regarding the subjects of this release, contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. Such statements are no

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-13677 MID PENN BANCORP, INC. (

Regulation FD Disclosure

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 30, 2024 MID PENN BANCORP, INC.

1 DRAFT 04.07.2021 MID PENN BANCORP, INC. Investor Presentation July 2024 2 Cautionary Notice Regarding Forward-Looking Statements This presentation regarding Mid Penn Bancorp, Inc. (“Mid Penn”), and oral statements made regarding the subjects of thi

1 DRAFT 04.07.2021 MID PENN BANCORP, INC. Investor Presentation July 2024 2 Cautionary Notice Regarding Forward-Looking Statements This presentation regarding Mid Penn Bancorp, Inc. (“Mid Penn”), and oral statements made regarding the subjects of this release, contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. Such statements are not his

Mid Penn Bancorp, Inc. 2407 Park Drive Harrisburg, PA 17110

Exhibit 99.1 PRESS RELEASE Mid Penn Bancorp, Inc. 2407 Park Drive Harrisburg, PA 17110 1-866-642-7736 CONTACTS Rory G. Ritrievi Chair, President & Chief Executive Officer Justin T. Webb Chief Financial Officer MID PENN BANCORP, INC. REPORTS SECOND QUARTER EARNINGS BEAT AND DECLARES 55TH CONSECUTIVE QUARTERLY DIVIDEND July 24, 2024 – Harrisburg, PA – Mid Penn Bancorp, Inc. (NASDAQ: MPB) ("Mid Penn"

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 24, 2024 MID PENN BANCORP, INC.

1 DRAFT 04.07.2021 MID PENN BANCORP, INC. Investor Presentation May 2024 2 Cautionary Notice Regarding Forward-Looking Statements This presentation regarding Mid Penn Bancorp, Inc. (“Mid Penn”), and oral statements made regarding the subjects of this

1 DRAFT 04.07.2021 MID PENN BANCORP, INC. Investor Presentation May 2024 2 Cautionary Notice Regarding Forward-Looking Statements This presentation regarding Mid Penn Bancorp, Inc. (“Mid Penn”), and oral statements made regarding the subjects of this release, contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. Such statements are not hist

Regulation FD Disclosure

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 15, 2024 MID PENN BANCORP, INC.

1 DRAFT 04.07.2021 MID PENN BANCORP, INC. Annual Meeting of Shareholders May 14, 2024 2 Annual Meeting of Shareholders May 14, 2024 Source: Company Documents. Introduction of Board Members Rory G. Ritrievi Chair, President & CEO Mid Penn Bancorp, Inc

1 DRAFT 04.07.2021 MID PENN BANCORP, INC. Annual Meeting of Shareholders May 14, 2024 2 Annual Meeting of Shareholders May 14, 2024 Source: Company Documents. Introduction of Board Members Rory G. Ritrievi Chair, President & CEO Mid Penn Bancorp, Inc. and Mid Penn Bank 3 Annual Meeting of Shareholders May 14, 2024 Source: Company Documents. Robert A. Abel Board Member of Mid Penn Bancorp, Inc. Pri

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 14, 2024 MID PENN BANCORP, INC.

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 14, 2024 MID PENN BANCORP, INC.

upplemental Executive Retirement Plan Agreement between Mid Penn Bank and Jordan D. Space dated September 6, 2022.

mpb-20240331xexx103 Mid Penn Bank Supplemental Executive Retirement Plan Agreement This Supplemental Executive Retirement Plan Agreement (this “Agreement”) is adopted this 6th day of September, 2022 (the “Effective Date”), by and between Mid Penn Bank, a Pennsylvania bank and trust company headquartered in Millersburg, Pennsylvania (the “Bank”), and Jordan Space (the “Executive”).

greement among Mid Penn Bancorp, Inc, Mid Penn Bank and Jordan D. Space dated September 6, 2022

EMPLOYMENT AGREEMENT THIS EMPLOYMENT AGREEMENT (“Agreement”) is made as of this 6th day of September, 2022 (the “Effective Date”), between MID PENN BANCORP, INC.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-13677 MID PENN BANCORP, INC.

Agreement among Mid Penn Bancorp, Inc., Mid Penn Bank and Jordan D. Space dated September

September 18, 2023 Jordan Space Re: Change in Control Severance Agreement AMENDED AND RESTATED Dear Jordan: Mid Penn Bancorp, Inc.

Mid Penn Bancorp, Inc. 2407 Park Drive Harrisburg, PA 17110

Exhibit 99.1 PRESS RELEASE Mid Penn Bancorp, Inc. 2407 Park Drive Harrisburg, PA 17110 1-866-642-7736 CONTACTS Rory G. Ritrievi Chair, President & Chief Executive Officer Justin T. Webb Chief Financial Officer MID PENN BANCORP, INC. REPORTS FIRST QUARTER EARNINGS BEAT AND DECLARES 54TH CONSECUTIVE QUARTERLY DIVIDEND April 24, 2024 – Harrisburg, PA – Mid Penn Bancorp, Inc. (NASDAQ: MPB) ("Mid Penn"

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 24, 2024 MID PENN BANCORP, INC.

ARS

2023 ANNUAL REPORT TO SHAREHOLDERSYEAR IN REVIEW In October of 2023, I gave a presentation to the Mid Penn employees during which I described the operating environment of 2023 to be the most difficult of my professional career.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.  )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.  ) Filed by the Registrant ☒     Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.  )

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.  ) Filed by the Registrant ☒     Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Ru

Amended and Restated Bylaws of Mid Penn Bancorp, Inc. (Incorporated by reference to Exhibit 3.1 to Mid Penn Bancorp, Inc.’s Annual Report on Form 10-K filed with the SEC on March 28, 2024)

BYLAWS of MID PENN BANCORP, INC. (as amended through January 24, 2024) Article 1 CORPORATION OFFICE Section 1.1 The Corporation shall have and continuously maintain in Pennsylvania a registered office which may, but need not, be the same as its place of business and at an address to be designated from time to time by the Board of Directors. Section 1.2 The Corporation may also have offices at such

lawback Policy

MID PENN BANCORP, INC. CLAWBACK POLICY Introduction The Board of Directors (the “Board”) of Mid Penn Bancorp, Inc. (the “Company”) believes that it is in the best interests of the Company and its shareholders to create and maintain a culture that emphasizes integrity and accountability and that reinforces the Company’s pay-for-performance compensation philosophy. The Board has therefore adopted th

Separation Agreement and General Release between Mid Penn Bancorp, Inc., Mid Penn Bank and Allison Johnson

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-K x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 OR o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-13677 MID PENN BANCORP, INC.

Subsidiaries of Registrant

MID PENN BANCORP, INC. EXHIBIT 21 SUBSIDIARIES OF REGISTRANT Name State of Incorporation Mid Penn Bank Pennsylvania MPB Financial Services LLC Pennsylvania MPB Wealth Management LLC Pennsylvania MPB Risk Services LLC Pennsylvania MPB Launchpad Fund 1 LLC Pennsylvania MPB Realty Holding LLC Pennsylvania

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 NOTIFICATION OF LATE FILING (Check One)  ☒ Form 10-K  ☐ Form 20-F  ☐ Form 11-K  ☐ Form 10-Q ☐ Form 10-D  ☐ Form N-CEN  ☐ Form N-CSR For Period Ended: December 31, 202

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 NOTIFICATION OF LATE FILING (Check One)  ☒ Form 10-K  ☐ Form 20-F  ☐ Form 11-K  ☐ Form 10-Q ☐ Form 10-D  ☐ Form N-CEN  ☐ Form N-CSR For Period Ended: December 31, 2023 ☐ Transition Report on Form 10-K ☐ Transition Report on Form 20-F ☐ Transition Report on Form 11-K ☐ Transition Report on Form 10-Q For the Transiti

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 19, 2024 MID PENN BANCORP, INC.

MPB / Mid Penn Bancorp, Inc. / WELLINGTON MANAGEMENT GROUP LLP - SEC SCHEDULE 13G Passive Investment

SC 13G/A 1 SEC13GFiling.htm SEC SCHEDULE 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1 )* MID PENN BANCORP INC (Name of Issuer) Common Stock (Title of Class of Securities) 59540G107 (CUSIP Number) December 29, 2023 (Date of Event Which Requires Filing of this Statement) Check the appropriate box t

MPB / Mid Penn Bancorp, Inc. / BlackRock Inc. Passive Investment

SC 13G/A 1 us59540g1076012624.txt us59540g1076012624.txt SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No: 2) MID PENN BANCORP INC - (Name of Issuer) Common Stock - (Title of Class of Securities) 59540G107 - (CUSIP Number) December 31, 2023 - (Date of Event Which Requires Filing of this Statement) Check the appropriate b

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 24, 2024 MID PENN BANCORP, INC.

Mid Penn Bancorp, Inc. 2407 Park Drive Harrisburg, PA 17110

Exhibit 99.1 PRESS RELEASE Mid Penn Bancorp, Inc. 2407 Park Drive Harrisburg, PA 17110 1-866-642-7736 CONTACTS Rory G. Ritrievi Chair, President & Chief Executive Officer Justin T. Webb Chief Financial Officer MID PENN BANCORP, INC. REPORTS FOURTH QUARTER EARNINGS AND DECLARES QUARTERLY DIVIDEND January 26, 2024 – Harrisburg, PA – Mid Penn Bancorp, Inc. (NASDAQ: MPB) ("Mid Penn"), the parent compa

Amended and Restated Bylaws of Mid Penn Ban

BYLAWS of MID PENN BANCORP, INC. (as amended through January 24, 2024) Article 1 CORPORATION OFFICE Section 1.1 The Corporation shall have and continuously maintain in Pennsylvania a registered office which may, but need not, be the same as its place of business and at an address to be designated from time to time by the Board of Directors. Section 1.2 The Corporation may also have offices at such

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 24, 2024 MID PENN BANCORP, INC.

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 12, 2024 MID PENN BANCORP, INC.

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 8, 2024 MID PENN BANCORP, INC.

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 29, 2023 MID PENN BANCORP, INC.

LETTER

United States securities and exchange commission logo December 18, 2023 Allison Johnson Chief Financial Officer Mid Penn Bancorp, Inc.

MID PENN BANCORP, INC. 2407 Park Drive Harrisburg, Pennsylvania 17110 December 11, 2023

MID PENN BANCORP, INC. 2407 Park Drive Harrisburg, Pennsylvania 17110 December 11, 2023 VIA EDGAR United States Securities and Exchange Commission Division of Corporate Finance Office of Finance 100 F Street, N.E. Washington, D.C. 20549 Attn: William Schroeder and Amit Pande Re: Mid Penn Bancorp, Inc. Form 10-K for Fiscal Year Ended December 31, 2022 Filed March 16, 2023 File No. 001-13677 Ladies

LETTER

United States securities and exchange commission logo December 7, 2023 Allison Johnson Chief Financial Officer Mid Penn Bancorp, Inc.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-13677 MID PENN BANCORP, INC.

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 25, 2023 MID PENN BANCORP, INC.

Mid Penn Bancorp, Inc. 2407 Park Drive Harrisburg, PA 17110

Exhibit 99.1 PRESS RELEASE Mid Penn Bancorp, Inc. 2407 Park Drive Harrisburg, PA 17110 1-866-642-7736 CONTACTS Rory G. Ritrievi Chair, President & Chief Executive Officer Allison S. Johnson Chief Financial Officer MID PENN BANCORP, INC. REPORTS THIRD QUARTER EARNINGS AND DECLARES DIVIDEND October 25, 2023 – Harrisburg, PA – Mid Penn Bancorp, Inc. (NASDAQ: MPB) ("Mid Penn"), the parent company of M

MID PENN BANCORP, INC. 2407 Park Drive Harrisburg, Pennsylvania 17110 August 30, 2023

MID PENN BANCORP, INC. 2407 Park Drive Harrisburg, Pennsylvania 17110 August 30, 2023 VIA EDGAR United States Securities and Exchange Commission Division of Corporate Finance 100 F Street, N.E. Washington, D.C. 20549 Attn: Madeleine Mateo Re: Request for Acceleration of Effectiveness Mid Penn Bancorp, Inc. Registration Statement on Form S-3 (File No. 333-274177) Dear Ms. Mateo: Pursuant to Rule 46

LETTER

United States securities and exchange commission logo August 28, 2023 Rory G. Ritrievi President and Chief Executive Officer Mid Penn Bancorp, Inc. 2407 Park Drive Harrisburg, Pennsylvania 17110 Re: Mid Penn Bancorp, Inc. Registration Statement on Form S-3 Filed August 23, 2023 File No. 333-274177 Dear Rory G. Ritrievi: This is to advise you that we have not reviewed and will not review your regis

Form of Indenture for Senior Debt Securities

Exhibit 4.4 Mid Penn Bancorp, Inc. as Issuer and [ ] as Trustee FORM OF INDENTURE Dated as of [ ] Senior Debt Securities CERTAIN SECTIONS OF THIS INDENTURE RELATING TO SECTIONS 310 THROUGH 318 INCLUSIVE, OF THE TRUST INDENTURE ACT OF 1939 Trust Indenture Act Section INDENTURE Section Section 310(a)(1) Section 609 (a)(2) Section 609 (a)(3) Not Applicable (a)(4) Not Applicable (b) Section 608 Sectio

Form of Indenture for Subordinated Debt Securities

Exhibit 4.5 Mid Penn Bancorp, Inc. as Issuer and [ ] as Trustee FORM OF INDENTURE Dated as of [ ] Subordinated Debt Securities CERTAIN SECTIONS OF THIS INDENTURE RELATING TO SECTIONS 310 THROUGH 318 INCLUSIVE, OF THE TRUST INDENTURE ACT OF 1939 Trust Indenture Act Section INDENTURE Section Section 310(a)(1) Section 609 (a)(2) Section 609 (a)(3) Not Applicable (a)(4) Not Applicable (b) Section 608

Filing Fee Table

Exhibit 107 Calculation of Filing Fee Tables Form S-3 (Form Type) Mid Penn Bancorp, Inc.

As filed with the Securities and Exchange Commission on August 23, 2023

Table of Contents As filed with the Securities and Exchange Commission on August 23, 2023 Registration No.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-13677 MID PENN BANCORP, INC.

1 DRAFT 04.07.2021 MID PENN BANCORP, INC. Investor Presentation August 2023 2 Cautionary Notice Regarding Forward-Looking Statements This presentation and management’s related discussion regarding Mid Penn Bancorp, Inc. (“Mid Penn”) contains estimate

1 DRAFT 04.07.2021 MID PENN BANCORP, INC. Investor Presentation August 2023 2 Cautionary Notice Regarding Forward-Looking Statements This presentation and management’s related discussion regarding Mid Penn Bancorp, Inc. (“Mid Penn”) contains estimates, predictions, opinions, projections and other “forward-looking statements” as that phrase is defined in the Private Securities Litigation Reform Act

Regulation FD Disclosure

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 8, 2023 MID PENN BANCORP, INC.

Mid Penn Bancorp, Inc. 2407 Park Drive Harrisburg, PA 17110

Exhibit 99.1 PRESS RELEASE Mid Penn Bancorp, Inc. 2407 Park Drive Harrisburg, PA 17110 1-866-642-7736 CONTACTS Rory G. Ritrievi Chair, President & Chief Executive Officer Allison S. Johnson Chief Financial Officer MID PENN BANCORP, INC. REPORTS SECOND QUARTER EARNINGS AND DECLARES DIVIDEND July 27, 2023 – Harrisburg, PA – Mid Penn Bancorp, Inc. (NASDAQ: MPB) ("Mid Penn"), the parent company of Mid

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 27, 2023 MID PENN BANCORP, INC.

Filing Fee Table

EX-FILING FEES Exhibit 107.1 CALCULATION OF FILING FEE TABLE FORM S-8 (Form Type) Mid Penn Bancorp, Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Equity Common Stock

MID PENN BANCORP, INC. ANNOUNCES APPOINTMENT OF ALBERT J. EVANS TO BOARD OF DIRECTORS

Exhibit 99.1 NEWS RELEASE Mid Penn Contact: Matthew Miller 717-257-9015 [email protected] FOR IMMEDIATE RELEASE MID PENN BANCORP, INC. ANNOUNCES APPOINTMENT OF ALBERT J. EVANS TO BOARD OF DIRECTORS HARRISBURG, PA, May 25, 2023 (GLOBE NEWSWIRE) - Mid Penn Bancorp, Inc. (Mid Penn) (NASDAQ: MPB), headquartered in Harrisburg, Pennsylvania, is pleased to announce the appointment of Albert

ck Purchase Plan

EX-10.1 Exhibit 10.1 MID PENN BANCORP, INC. EMPLOYEE STOCK PURCHASE PLAN 1. Purpose. This Mid Penn Bancorp, Inc. Employee Stock Purchase Plan (the “Plan”) is intended to provide employees of the Company and its Participating Subsidiaries with an opportunity to acquire an ownership interest in the Company through the purchase of shares of Common Stock, thereby facilitating an ownership culture in w

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 19, 2023 MID PENN BANCORP, INC.

023 Stock In

EX-10.2 Exhibit 10.2 MID PENN BANCORP, INC. 2023 STOCK INCENTIVE PLAN The purpose of the Mid Penn Bancorp, Inc. 2023 Stock Incentive Plan (the “Plan”) is to provide (i) designated officers (including officers who are also directors) and other designated employees of Mid Penn Bancorp, Inc., a Pennsylvania corporation (the “Company”), and its subsidiaries, and (ii) non-employee members of the board

MID PENN BANCORP, INC. ANNOUNCES APPOINTMENT OF JOEL L. FRANK TO BOARD OF DIRECTORS

Exhibit 99.2 NEWS RELEASE Mid Penn Contact: Matthew Miller 717-257-9015 [email protected] FOR IMMEDIATE RELEASE MID PENN BANCORP, INC. ANNOUNCES APPOINTMENT OF JOEL L. FRANK TO BOARD OF DIRECTORS HARRISBURG, PA, May 25, 2023 (GLOBE NEWSWIRE) - Mid Penn Bancorp, Inc. (Mid Penn) (NASDAQ: MPB), headquartered in Harrisburg, Pennsylvania, is pleased to announce the appointment of Joel L. F

As filed with the Securities and Exchange Commission on May 25, 2023

S-8 As filed with the Securities and Exchange Commission on May 25, 2023 Registration No.

Matt Miller

NEWS RELEASE Contact: Mid Penn Bancorp, Inc. Matt Miller [email protected] 717-257-9015 FOR IMMEDIATE RELEASE Mid Penn Bancorp, Inc. Completes Acquisition of Brunswick Bancorp Harrisburg, Pa., (May 22, 2023) (GLOBE NEWSWIRE) – Mid Penn Bancorp, Inc. (“Mid Penn”) (NASDAQ: MPB) today announced that its acquisition of Brunswick Bancorp (“Brunswick”) was completed after the close of business

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 19, 2023 MID PENN BANCORP, INC.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 11, 2023 MID PENN BANCORP, INC. (Exact Name of

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 11, 2023 MID PENN BANCORP, INC.

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 9, 2023 MID PENN BANCORP, INC.

1 DRAFT 04.07.2021 MID PENN BANCORP, INC. Annual Meeting of Shareholders May 9, 2023 2 Annual Meeting of Shareholders May 9, 2023 Source: Company Documents. Introduction of Board Members Rory G. Ritrievi Chair, President & CEO Mid Penn Bancorp, Inc.

1 DRAFT 04.07.2021 MID PENN BANCORP, INC. Annual Meeting of Shareholders May 9, 2023 2 Annual Meeting of Shareholders May 9, 2023 Source: Company Documents. Introduction of Board Members Rory G. Ritrievi Chair, President & CEO Mid Penn Bancorp, Inc. and Mid Penn Bank 3 Annual Meeting of Shareholders May 9, 2023 Source: Company Documents. Robert A. Abel Board Member of Mid Penn Bancorp, Inc. Princi

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 9, 2023 MID PENN BANCORP, INC.

Form 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-13677 MID PENN BANCORP, INC.

The Registrant’s Articles of Incorporation.

MID PENN BANCORP, INC. Amended and Restated Articles of Incorporation, as amended (as amended through April 28, 2023) In compliance with the requirements of 15 Pa.C.S. §1306 (relating to Articles of Incorporation), the undersigned, desiring to be incorporated as a business corporation, hereby state that: 1.The name of the Corporation is Mid Penn Bancorp, Inc. 2.The address, including street and nu

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 28, 2023 MID PENN BANCORP, INC.

Mid Penn Bancorp, Inc. 2407 Park Drive Harrisburg, PA 17110

Exhibit 99.1 PRESS RELEASE Mid Penn Bancorp, Inc. 2407 Park Drive Harrisburg, PA 17110 1-866-642-7736 CONTACTS Rory G. Ritrievi President & Chief Executive Officer Allison S. Johnson Chief Financial Officer MID PENN BANCORP, INC. REPORTS FIRST QUARTER EARNINGS AND DECLARES DIVIDEND April 28, 2023 – Harrisburg, PA – Mid Penn Bancorp, Inc. (NASDAQ: MPB) ("Mid Penn"), the parent company of Mid Penn B

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 25, 2023 MID PENN BANCORP, INC. (Exact Name

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 25, 2023 MID PENN BANCORP, INC.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 25, 2023 MID PENN BANCORP, INC. (Exact Name

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 25, 2023 MID PENN BANCORP, INC.

1 DRAFT 04.07.2021 MID PENN BANCORP, INC. Special Meeting of Shareholders April 25, 2023 2 2019 2022 2019 2022 2019 2022 2019 2022 $167 $47 $183 $314 $139 $279 Philly MSA Lancaster MSA Reading MSA $942 $1,728 Harrisburg MSA $50 $235 $149 BRBW County

a20230425-specialmeeting 1 DRAFT 04.07.2021 MID PENN BANCORP, INC. Special Meeting of Shareholders April 25, 2023 2 2019 2022 2019 2022 2019 2022 2019 2022 $167 $47 $183 $314 $139 $279 Philly MSA Lancaster MSA Reading MSA $942 $1,728 Harrisburg MSA $50 $235 $149 BRBW County Overall Excl. Top 3 Middlesex County Monmouth County $95 $165 $129 BRBW County Overall Excl. Top 3 Brunswick Average Branch S

Matt Miller

NEWS RELEASE Contact: Mid Penn Bancorp, Inc. Matt Miller [email protected] 717-257-9015 Brunswick Bancorp Nicholas Frungillo, Jr. [email protected] 732-247-5800 FOR IMMEDIATE RELEASE Mid Penn Bancorp, Inc. and Brunswick Bancorp Receive Regulatory and Shareholder Approvals for Merger Harrisburg, PA and New Brunswick, NJ, (April 25, 2023) (GLOBE NEWSWIRE) – Mid Penn Bancorp, Inc

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14

ARS

2022 ANNUAL REPORT TO SHAREHOLDERS 2407 Park Drive, Harrisburg, PA 17110 midpennbank.

Employment Agreement among Mid Penn Bancorp, Inc., Mid Penn Bank and Joseph Paese dated September 6, 2022

EMPLOYMENT AGREEMENT THIS EMPLOYMENT AGREEMENT (“Agreement”) is made as of this 6th day of September, 2022 (the “Effective Date”), between MID PENN BANCORP, INC.

Amended and Restated Supplemental Executive Retirement Plan Agreement between Mid Penn Bank and Joseph Paese dated September 6, 2022

Exhibit 10.3 Mid Penn Bank Amended and Restated Supplemental Executive Retirement Plan Agreement This Amended and Restated Supplemental Executive Retirement Plan Agreement (this “Agreement”) is adopted this 6 day of September, 2022 (the “Effective Date”), by and between Mid Penn Bank, a Pennsylvania bank and trust company headquartered in Millersburg, Pennsylvania (the “Bank”), and Joseph L. Paese

Form 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-K x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 OR o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-13677 MID PENN BANCORP, INC.

Subsidiaries of Registrant

MID PENN BANCORP, INC. EXHIBIT 21 SUBSIDIARIES OF REGISTRANT Name State of Incorporation Mid Penn Bank Pennsylvania MPB Financial Services LLC Pennsylvania MPB Wealth Management LLC Pennsylvania MPB Risk Services LLC Pennsylvania MPB Launchpad Fund 1 LLC Pennsylvania MPB Real Estate LLC Pennsylvania MPB Charitable Foundation Inc. Pennsylvania

Amended and Restated Change in Control Agreement among Mid Penn Bancorp, Inc., Mid Penn Bank and Joseph Paese dated September 6, 2022

Exhibit 10.2 September 6, 2022 Re: Change in Control Severance Agreement AMENDED AND RESTATED Dear Joe: Mid Penn Bancorp, Inc. (the “Corporation”) considers it essential and in the best interests of its shareholders to foster the continuous employment of key management personnel. In this regard, the Board of Directors of the Corporation (the “Board”) recognizes that the possibility of a terminatio

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 10, 2023 MID PENN BANCORP, INC. (Exact Name

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 10, 2023 MID PENN BANCORP, INC.

Joint Proxy Statement/Prospectus MERGER PROPOSED—YOUR VOTE IS VERY IMPORTANT

Filed Pursuant to Rule 424(b)(3) Registration No. 333-269890 PROSPECTUS Joint Proxy Statement/Prospectus MERGER PROPOSED—YOUR VOTE IS VERY IMPORTANT Dear Shareholder: On December 20, 2022, Mid Penn Bancorp, Inc., or Mid Penn, and Brunswick Bancorp, or Brunswick, entered into a merger agreement under which Brunswick will merge with and into Mid Penn, with Mid Penn remaining as the surviving entity.

As Filed with the Securities and Exchange Commission on March 7, 2023

As Filed with the Securities and Exchange Commission on March 7, 2023 Registration No.

Form of Proxy Card for Special Meeting of Shareholders of Brunswick Bancorp

Exhibit 99.2

Form of Proxy Card for Special Meeting of Shareholders of Mid Penn Bancorp, Inc.

EX-99.1 5 exhibit991-sx4a1.htm EX-99.1 Exhibit 99.1 P.O. BOX 8016, CARY, NC 27512-9903 YOUR VOTE IS IMPORTANT! PLEASE VOTE BY: INTERNET Go To: www.proxypush.com/MPB •Cast your vote online •Have your Proxy Card ready •Follow the simple instructions to record your vote PHONE Call 1-866-883-0222 •Use any touch-tone telephone •Have your Proxy Card ready •Follow the simple recorded instructions to reco

MID PENN BANCORP, INC. 2407 Park Drive Harrisburg, PA 17110 March 7, 2023

MID PENN BANCORP, INC. 2407 Park Drive Harrisburg, PA 17110 March 7, 2023 VIA EDGAR United States Securities and Exchange Commission Division of Corporate Finance 100 F Street, N.E. Washington, D.C. 20549 Attn: Madeleine Mateo Re: Request for Acceleration of Effectiveness Mid Penn Bancorp, Inc. Registration Statement on Form S-4 (File No. 333-269890) Dear Ms. Mateo: Pursuant to Rule 461 of the Gen

LETTER

United States securities and exchange commission logo February 28, 2023 Rory G. Ritrievi President and Chief Executive Officer Mid Penn Bancorp, Inc. 2407 Park Drive Harrisburg, Pennsylvania 17110 Re: Mid Penn Bancorp, Inc. Registration Statement on Form S-4 Filed February 21, 2023 File No. 333-269890 Dear Rory G. Ritrievi: This is to advise you that we have not reviewed and will not review your r

Consent of Janney Montgomery Scott LLC

Exhibit 99.3 February 21, 2023 Brunswick Bancorp 439 Livingston Avenue New Brunswick, NJ 08901 Re: Fairness Opinion Consent To whom it may concern, We hereby consent to the inclusion of our opinion letter to the board of directors of Brunswick Bancorp (“Brunswick”) in the Form S-4, relating to the proposed merger of Brunswick with Mid Penn Bancorp, Inc. described in the Form S-4, and to the refere

Powers of Attorney

S-4 1 midpenn-sx4.htm S-4 As Filed with the Securities and Exchange Commission on February 21, 2023 Registration No. [l] UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM S-4 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 MID PENN BANCORP, INC. (Exact name of Registrant as specified in its charter) Pennsylvania 6022 25-1666413 (State or other jurisdiction of inc

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 17, 2023 MID PENN BANCORP, INC.

Filing Fee Table

Exhibit 107 Calculation of Filing Fee Tables Form S-4 (Form Type) Mid Penn Bancorp, Inc.

Consent of Piper Sandler & Co.

EX-99.4 10 exhibit994-sx4.htm EX-99.4 Exhibit 99.4 1251 AVENUE OF THE AMERICAS, 6TH FLOOR NEW YORK, NY 10020 P 212 466-7800 | TF 800 635-6851 Piper Sandler & Co. Since 1885. Member SIPC and NYSE. CONSENT OF PIPER SANDLER & CO. We hereby consent to the inclusion of our opinion letter to the Board of Directors of Mid Penn Bancorp, Inc. (the “Company”) as an Annex to the Joint Proxy Statement/Prospec

MPB / Mid Penn Bancorp, Inc. / WELLINGTON MANAGEMENT GROUP LLP - SEC SCHEDULE 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* MID PENN BANCORP INC (Name of Issuer) Common Stock (Title of Class of Securities) 59540G107 (CUSIP Number) December 30, 2022 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Sch

MPB / Mid Penn Bancorp, Inc. / BlackRock Inc. Passive Investment

SC 13G/A 1 us59540g1076013123.txt us59540g1076013123.txt SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No: 1) MID PENN BANCORP INC - (Name of Issuer) Common Stock - (Title of Class of Securities) 59540G107 - (CUSIP Number) December 31, 2022 - (Date of Event Which Requires Filing of this Statement) Check the appropriate b

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 25, 2023 MID PENN BANCORP, INC.

Mid Penn Bancorp, Inc. 2407 Park Drive Harrisburg, PA 17110

Exhibit 99.1 PRESS RELEASE Mid Penn Bancorp, Inc. 2407 Park Drive Harrisburg, PA 17110 1-866-642-7736 CONTACTS Rory G. Ritrievi President & Chief Executive Officer Allison S. Johnson Chief Financial Officer MID PENN BANCORP, INC. REPORTS FOURTH QUARTER EARNINGS AND DECLARES DIVIDEND January 25, 2023 – Harrisburg, PA – Mid Penn Bancorp, Inc. (NASDAQ: MPB) ("Mid Penn"), the parent company of Mid Pen

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 13, 2023 MID PENN BANCORP, INC.

Regulation FD Disclosure, Entry into a Material Definitive Agreement, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 20, 2022 MID PENN BANCORP, INC.

Mid Penn Bancorp, Inc. Signs Definitive Agreement to Acquire Brunswick Bancorp

Exhibit 99.1 Mid Penn Bancorp, Inc. Signs Definitive Agreement to Acquire Brunswick Bancorp Acquisition results in a meaningful expansion into the attractive central New Jersey market and results in a combined bank with approximately $5.0 billion in assets NEW BRUNSWICK, NJ, and HARRISBURG, PA, December 20, 2022 (GLOBE NEWSWIRE) ? Mid Penn Bancorp, Inc. (?Mid Penn?) (NASDAQ:MPB), headquartered in

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 20, 2022 MID PENN BANCORP, INC. (Exact Na

425 1 d434801d425.htm 425 UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 20, 2022 MID PENN BANCORP, INC. (Exact Name of Registrant as Specified in its Charter) Pennsylvania 1-13677 25-1666413 (State or Other Jurisdiction of Incorporation

Agreement and Plan of Merger, dated as of December 20, 2022, by and between Brunswick Bancorp. and Mid Penn Bancorp, Inc.

Exhibit 2.1 AGREEMENT AND PLAN OF MERGER BY AND BETWEEN MID PENN BANCORP, INC. AND BRUNSWICK BANCORP dated as of December 20, 2022 TABLE OF CONTENTS ARTICLE I CERTAIN DEFINITIONS 2 1.1. Certain Definitions 2 ARTICLE II THE MERGER 10 2.1. Merger 10 2.2. Effective Time; Closing 11 2.3. Articles of Incorporation and Bylaws 11 2.4. Directors and Officers 11 2.5. Effects of the Merger 12 2.6. Tax Conse

Disclaimer Cautionary Note Regarding Forward-Looking Statements This presentation contains forward-looking statements that are intended to be covered by the safe harbor for forward-looking statements provided by the Private Securities Litigation Refo

Exhibit 99.2 Acquisition of Brunswick Bancorp December 20, 2022 1 Disclaimer Cautionary Note Regarding Forward-Looking Statements This presentation contains forward-looking statements that are intended to be covered by the safe harbor for forward-looking statements provided by the Private Securities Litigation Reform Act of 1995. Forward-looking statements are not statements of historical fact, an

MPB / Mid Penn Bancorp, Inc. / Castle Creek Capital Partners VI, LP - SC 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Mid Penn Bancorp, Inc. (Name of Issuer) Common Stock, par value $1.00 per share (Title of Class of Securities) 59540G107 (CUSIP Number) November 30, 2021 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the ru

JOINT FILING AGREEMENT

Exhibit 99.1 JOINT FILING AGREEMENT The undersigned hereby agree that this Schedule 13G, dated November 15, 2022, with respect to the common stock, par value $1.00 per share, of Mid Penn Bancorp, Inc., a Pennsylvania corporation, is, and any amendments hereto signed by each of the undersigned shall be, filed on behalf of each of us pursuant to and in accordance with the provisions of Rule 13d-1(k)