Sec Form 4 Filing - Bookmyer John @ PREMIER FINANCIAL CORP - 2021-01-04

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Bookmyer John 2. Issuer Name and Ticker or Trading Symbol PREMIER FINANCIAL CORP [ PFC] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 601 CLINTON ST. 3. Date of Earliest Transaction (MM/DD/YY) 01/04/2021 (Street) DEFIANCE, OH43512 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Shares 01/04/2021 M 7,910.9 A 36,309.2564 D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Phantom Stock ( 5 ) ( 2 ) 01/04/2021 01/04/2021 A 547.355 ( 3 )( 4 ) ( 3 )( 4 ) Common Shares 547.355 $ 0 40,329.203 D Phantom Stock ( 5 ) ( 2 ) 01/04/2021 M 7,910.9 ( 3 )( 4 ) ( 3 )( 4 ) Common Shares 7,910.9 $ 0 32,418.303 D Phantom Stock ( 5 ) ( 2 ) 04/30/2021 04/30/2021 A 394.706 ( 3 )( 4 ) ( 3 )( 4 ) Common Shares 394.706 $ 0 36,685.019 ( 1 ) D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Bookmyer John 601 CLINTON ST. DEFIANCE, OH43512 X Signatures /s/ John L. Bookmyer by Shannon M. Kuhl, POA 08/09/2021 Signature of Reporting Person Date

Explanation of Responses:

( 1 )The ending balance differs from amounts previously reported because of an inadvertent administrative error. ( 2 )Each share of phantom stock ("Phantom Share") is the economic equivalent of one share of PFC common stock. ( 3 )The Phantom Shares become payable in common shares, at the election of the reporting person, as follows: (a) Phantom Shares awarded in 2006 and 2011 became payable on January 2, 2020; (b) Phantom Shares awarded in 2007 became payable on January 4, 2021; (c) 90% of the Phantom Shares awarded in 2012 became payable on January 4, 2021, and the remaining 10% will become payable one year after termination as a director; (d) Phantom Shares awarded in 2008 and 2013 become payable on January 1, 2022; (e) Phantom Shares awarded in 2009 and 2010 become payable on January 1, 2023; ( 4 )(f) Phantom Shares awarded in 2014 and 2015 become payable on January 1, 2024; (g) Phantom Shares awarded in 2016, 2017, 2018, and 2019 become payable on January 1, 2025; and (h) Phantom Shares awarded in 2020 and 2021 become payable one year following termination as a director. In the event the reporting person's services as a director terminate prior to reaching any of the foregoing dates, all remaining Phantom Shares will convert to PFC common stock one year following such termination without regard to such dates. ( 5 )On July 13, 2018, PFC split its common shares 2-for-1 (the "Stock Split"). The numbers included in this Form 4 have been adjusted to account for the Stock Split.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

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