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PRESS RELEASE Mid Penn Bancorp , Inc. 349 Union Street Millersburg , PA 17061 1-866-642-7736 CONTACTS Exhibit 99.1 Rory G. Ritrievi President & Chief Executive Officer Donald F. Holt Interim Chief Financial Officer MID PENN BANCORP , INC . REPORTS RECORD QUARTERLY EARNINGS AND DECLARES DIVIDEND October 27 , 2021 – Millersburg , PA - Mid Penn Bancorp , Inc. ( " Mid Penn " ) ( NASDAQ : MPB ) , the parent company of Mid Penn Bank ( the “ Bank ” ) and MPB Financial Services , LLC , today reported net income to common shareholders ( earnings ) for the quarter ended September 30 , 2021 of $ 9,787,000 or $ 0.86 per common share basic and diluted , compared to earnings of $ 6,547,000 or $ 0.78 per common share basic and diluted for the quarter ended September 30 , 2020 . Earnings for the quarter ended September 30 , 2021 reflect an increase of over 49 percent compared to earnings for the same period in the prior year . Earnings for the nine months ended September 30 , 2021 were $ 28,712,000 or $ 2.85 per common share basic and diluted , compared to earnings of $ 17,198,000 or $ 2.04 per common share basic and diluted for the nine months ended September 30 , 2020. Earnings for the first nine months of 2021 reflects a 67 percent increase over the same period in 2020. Mid Penn also reported total assets of $ 3,453,187,000 as of September 30 , 2021 , reflecting a 15 percent increase compared to total assets of $ 2,998,948,000 as of December 31 , 2020 . Tangible book value per common share , a non - GAAP measure that is regularly reported in the banking industry , favorably increased to $ 24.75 as of September 30 , 2021 , compared to $ 22.39 as of December 31 , 2020 and $ 21.46 as of September 30 , 2020. The GAAP measure of book value per share was $ 30.55 as of September 30 , 2021 compared to $ 30.37 as of December 31 , 2020 , and $ 29.49 as of September 30 , 2020. Please refer to the section included herein under the heading " Reconciliation of Non - GAAP Measures ( Unaudited ) " for a discussion of our use of non - GAAP adjusted financial information , which includes tables reconciling GAAP and non - GAAP adjusted financial measures for these and certain other periods ended between September 30 , 2020 and September 30 , 2021 . PRESIDENT'S COMMENTS " We are delighted to announce Mid Penn's record quarterly results to our shareholders . This performance was the direct result of strong organic growth across our organizational footprint on both sides of the balance sheet and impressive noninterest income growth . In addition , the results for the nine months ended September 30 , 2021 reflect the incredible successes of Mid Penn's participation in the PPP program , delivering over $ 1 billion to help businesses and save jobs during the uncertainty of the COVID - 19 pandemic , " stated Rory Ritrievi , President and Chief Executive Officer . Ritrievi added , “ Mid Penn has succeeded in reporting record results in each of the last four quarters since September 30 , 2020 , an accomplishment of which we are incredibly proud . This success has positively impacted our tangible book value per share , which has increased by $ 2.36 per share ( or 14 percent annualized ) since December 31 , 2020. ” " In addition to these operating results , we continue to make progress toward Mid Penn's pending acquisition of Riverview Financial Corporation . During the third quarter of 2021 , all regulatory notifications and applications were filed in a timely manner with the appropriate agencies . It is expected that the merger will be completed in the fourth quarter of 2021 with system conversion anticipated to occur during the first quarter of 2022. This partnership will expand Mid Penn's presence into several new counties in Pennsylvania while solidifying our customer base in Mid Penn's current market area . We are excited to partner with Riverview in our development of a statewide presence while also bringing on board many well - respected , talented employees to further our vision of being the best community bank in the state . " " Given these favorable results , the Board of Directors proudly announces the declaration of a third quarter dividend of $ 0.20 per common share payable on November 22 , 2021 to shareholders of record as of November 10 , 2021. " 1