Sec Form 4 Filing - McIntosh Robert Bruce @ WestRock Co - 2020-10-13

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 McIntosh Robert Bruce 2. Issuer Name and Ticker or Trading Symbol WestRock Co [ WRK] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) EVP, GEN COUNSEL, SECRETARY (Last) (First) (Middle) 1000 ABERNATHY ROAD NE 3. Date of Earliest Transaction (MM/DD/YY) 10/13/2020 (Street) ATLANTA, GA30328 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 Stock 10/13/2020 A 1,637 ( 1 ) A $ 37.92 366,528 D Common Stock 10/13/2020 F 2,813 D $ 37.92 363,715 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

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other McIntosh Robert Bruce 1000 ABERNATHY ROAD NE ATLANTA, GA30328 EVP, GEN COUNSEL, SECRETARY Signatures Robert B. McIntosh 10/15/2020 Signature of Reporting Person Date

Explanation of Responses:

( 1 )As reported on a Form 4 filed on May 22, 2020, the Compensation Committee determined to set payments under the fiscal 2020 short term incentive program at threshold (i.e. 50 percent of target) and make payouts following the end of fiscal 2020 in the form of Company common stock. The amount of shares listed as acquired on the prior Form 4 represented 90 percent of the total award amount for the recipient at threshold because the award amount remained subject to a safety modifier. The amount of shares listed as acquired on this Form 4 includes the remaining 10 percent of the share amount for the recipient, plus an additional 5 percent based on the certification by the Committee of safety results.

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).

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