POST

SEC source: 0001530950-21-000123 · wf-form4_161731151016220.xml · derivative · entry 1

GROTE ROBERT E · CIK 0001540005 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,235.637

Underlying: Common Stock · 94.587 shares

Expires not disclosed

F1 · derivative.exercise_price: Reporting Person's retainers earned as a Director of Issuer are deferred into Post Holdings, Inc. stock equivalents under the Issuer's Deferred Compensation Plan for Non-Management Directors. Reporting Person is credited with stock equivalents as soon as administratively practicable following the month in which such retainer is earned. The value of these stock equivalents is distributed (on a one-for-one basis) in the form of cash upon retirement from the Board of Directors.

F2 · derivative.exercise_date: The stock equivalents have no fixed exercisable or expiration dates.

F2 · derivative.expiration_date: The stock equivalents have no fixed exercisable or expiration dates.

SEC source: 0001530950-21-000109 · wf-form4_161705515773819.xml · derivative · entry 7

VITALE ROBERT V · CIK 0001540021 · Director · PRESIDENT & CEO

10b5-1 filing: Not disclosed

Ownership: Indirect · By 2000 Trust

Disclosed balance after: 0

Underlying: Common Stock · 50,000 shares

Expires 2022-05-29

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_date: The option to purchase 100,000 shares of common stock was awarded under the Post Holdings, Inc. 2012 Long-Term Incentive Plan in a transaction exempt under Rule 16b-3 and vested in equal increments over three years.

SEC source: 0001530950-21-000109 · wf-form4_161705515773819.xml · nonDerivative · entry 2

VITALE ROBERT V · CIK 0001540021 · Director · PRESIDENT & CEO

10b5-1 filing: Not disclosed

Ownership: Indirect · By 2000 Trust

Disclosed balance after: 78,434

F1 · shares: Surrender of shares in payment of stock option exercise price and tax withholding obligation in a transaction exempt under Rule 16b-3. The remainder of the shares are being held by the Reporting Person's Trust.

SEC source: 0001530950-21-000109 · wf-form4_161705515773819.xml · nonDerivative · entry 1

VITALE ROBERT V · CIK 0001540021 · Director · PRESIDENT & CEO

10b5-1 filing: Not disclosed

Ownership: Indirect · By 2000 Trust

Disclosed balance after: 108,842

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001530950-21-000119 · wf-form4_161731123804464.xml · nonDerivative · entry 6

VITALE ROBERT V · CIK 0001540021 · Director · PRESIDENT & CEO

10b5-1 filing: Not disclosed

Ownership: Indirect · By Spouse

Disclosed balance after: 60,000

SEC source: 0001530950-21-000119 · wf-form4_161731123804464.xml · nonDerivative · entry 5

VITALE ROBERT V · CIK 0001540021 · Director · PRESIDENT & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 231,466

SEC source: 0001530950-21-000104 · wf-form4_161480912586801.xml · nonDerivative · entry 1

GROTE ROBERT E · CIK 0001540005 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,520

F1 · kind: Open market sale of shares for payment of tax obligations due to vesting of RSUs on January 31, 2021 and February 4, 2021.

SEC source: 0001530950-21-000103 · wf-form4_161480907071154.xml · nonDerivative · entry 1

HARPER BRADLY A · CIK 0001759632 · SVP, CHIEF ACCTING OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,257

SEC source: 0001530950-21-000119 · wf-form4_161731123804464.xml · nonDerivative · entry 4

VITALE ROBERT V · CIK 0001540021 · Director · PRESIDENT & CEO

10b5-1 filing: Not disclosed

Ownership: Indirect · By Spouse

Disclosed balance after: 45,000

SEC source: 0001530950-21-000119 · wf-form4_161731123804464.xml · nonDerivative · entry 3

VITALE ROBERT V · CIK 0001540021 · Director · PRESIDENT & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 246,466

SEC source: 0001530950-21-000098 · wf-form4_161463613727184.xml · derivative · entry 1

KEMPER DAVID W · CIK 0000924750 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,631.532

Underlying: Common Stock · 127.232 shares

Expires not disclosed

F1 · derivative.exercise_price: Reporting Person's retainers earned as a Director of Issuer are deferred into Post Holdings, Inc. stock equivalents under the Issuer's Deferred Compensation Plan for Non-Management Directors. Reporting Person is credited with stock equivalents as soon as administratively practicable following the month in which such retainer is earned. The value of these stock equivalents is distributed (on a one-for-one basis) in the form of cash upon retirement from the Board of Directors.

F2 · derivative.exercise_date: The stock equivalents have no fixed exercisable or expiration dates.

F2 · derivative.expiration_date: The stock equivalents have no fixed exercisable or expiration dates.

SEC source: 0001530950-21-000100 · wf-form4_161463618833950.xml · derivative · entry 1

STIRITZ WILLIAM P · CIK 0001052058 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 118,073.941

Underlying: Common Stock · 104.099 shares

Expires not disclosed

F1 · derivative.exercise_price: Reporting Person's retainers earned as a Director of Issuer are deferred into Post Holdings, Inc. stock equivalents under the Issuer's Deferred Compensation Plan for Non-Management Directors. Reporting Person is credited with stock equivalents as soon as administratively practicable following the month in which such retainer is earned. The value of these stock equivalents is distributed (on a one-for-one basis) in the form of cash upon retirement from the Board of Directors.

F2 · derivative.exercise_date: The stock equivalents have no fixed exercisable or expiration dates.

F2 · derivative.expiration_date: The stock equivalents have no fixed exercisable or expiration dates.

SEC source: 0001530950-21-000093 · wf-form4_161463597407467.xml · derivative · entry 1

BURWELL DOROTHY M · CIK 0001816548 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 757.084

Underlying: Common Stock · 104.099 shares

Expires not disclosed

F1 · derivative.exercise_price: Reporting Person's retainers earned as a Director of Issuer are deferred into Post Holdings, Inc. stock equivalents under the Issuer's Deferred Compensation Plan for Non-Management Directors. Reporting Person is credited with stock equivalents as soon as administratively practicable following the month in which such retainer is earned. The value of these stock equivalents is distributed (on a one-for-one basis) in the form of cash upon retirement from the Board of Directors.

F2 · derivative.exercise_date: The stock equivalents have no fixed exercisable or expiration dates.

F2 · derivative.expiration_date: The stock equivalents have no fixed exercisable or expiration dates.

SEC source: 0001530950-21-000097 · wf-form4_161463609426876.xml · derivative · entry 1

HARSHMAN ELLEN F · CIK 0001718508 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,041.677

Underlying: Common Stock · 52.05 shares

Expires not disclosed

F1 · derivative.exercise_price: Reporting Person's retainers earned as a Director of Issuer are deferred into Post Holdings, Inc. stock equivalents under the Issuer's Deferred Compensation Plan for Non-Management Directors. Reporting Person is credited with stock equivalents as soon as administratively practicable following the month in which such retainer is earned. The value of these stock equivalents is distributed (on a one-for-one basis) in the form of cash upon retirement from the Board of Directors.

F2 · derivative.exercise_date: The stock equivalents have no fixed exercisable or expiration dates.

F2 · derivative.expiration_date: The stock equivalents have no fixed exercisable or expiration dates.

SEC source: 0001530950-21-000095 · wf-form4_161463603315060.xml · derivative · entry 1

CURL GREGORY L · CIK 0001257186 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 205.899

Underlying: Common Stock · 104.099 shares

Expires not disclosed

F1 · derivative.exercise_price: Reporting Person's retainers earned as a Director of Issuer are deferred into Post Holdings, Inc. stock equivalents under the Issuer's Deferred Compensation Plan for Non-Management Directors. Reporting Person is credited with stock equivalents as soon as administratively practicable following the month in which such retainer is earned. The value of these stock equivalents is distributed (on a one-for-one basis) in the form of cash upon retirement from the Board of Directors.

F2 · derivative.exercise_date: The stock equivalents have no fixed exercisable or expiration dates.

F2 · derivative.expiration_date: The stock equivalents have no fixed exercisable or expiration dates.

SEC source: 0001530950-21-000099 · wf-form4_161463616144581.xml · derivative · entry 1

SKARIE DAVID P · CIK 0001184295 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,423.442

Underlying: Common Stock · 104.099 shares

Expires not disclosed

F1 · derivative.exercise_price: Reporting Person's retainers earned as a Director of Issuer are deferred into Post Holdings, Inc. stock equivalents under the Issuer's Deferred Compensation Plan for Non-Management Directors. Reporting Person is credited with stock equivalents as soon as administratively practicable following the month in which such retainer is earned. The value of these stock equivalents is distributed (on a one-for-one basis) in the form of cash upon retirement from the Board of Directors.

F2 · derivative.exercise_date: The stock equivalents have no fixed exercisable or expiration dates.

F2 · derivative.expiration_date: The stock equivalents have no fixed exercisable or expiration dates.

SEC source: 0001530950-21-000096 · wf-form4_161463606791425.xml · derivative · entry 1

GROTE ROBERT E · CIK 0001540005 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,149.306

Underlying: Common Stock · 104.099 shares

Expires not disclosed

F1 · derivative.exercise_price: Reporting Person's retainers earned as a Director of Issuer are deferred into Post Holdings, Inc. stock equivalents under the Issuer's Deferred Compensation Plan for Non-Management Directors. Reporting Person is credited with stock equivalents as soon as administratively practicable following the month in which such retainer is earned. The value of these stock equivalents is distributed (on a one-for-one basis) in the form of cash upon retirement from the Board of Directors.

F2 · derivative.exercise_date: The stock equivalents have no fixed exercisable or expiration dates.

F2 · derivative.expiration_date: The stock equivalents have no fixed exercisable or expiration dates.

SEC source: 0001530950-21-000094 · wf-form4_161463599478757.xml · derivative · entry 1

CALLISON EDWIN H · CIK 0001539989 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,650.622

Underlying: Common Stock · 150.365 shares

Expires not disclosed

F1 · derivative.exercise_price: Reporting Person's retainers earned as a Director of Issuer are deferred into Post Holdings, Inc. stock equivalents under the Issuer's Deferred Compensation Plan for Non-Management Directors. Reporting Person is credited with stock equivalents as soon as administratively practicable following the month in which such retainer is earned. The value of these stock equivalents is distributed (on a one-for-one basis) in the form of cash upon retirement from the Board of Directors.

F2 · derivative.exercise_date: The stock equivalents have no fixed exercisable or expiration dates.

F2 · derivative.expiration_date: The stock equivalents have no fixed exercisable or expiration dates.

SEC source: 0001530950-21-000063 · wf-form4_161316480393629.xml · derivative · entry 1

KEMPER DAVID W · CIK 0000924750 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,505.048

Underlying: Common Stock · 124.434 shares

Expires not disclosed

F1 · derivative.exercise_price: Reporting Person's retainers earned as a Director of Issuer are deferred into Post Holdings, Inc. stock equivalents under the Issuer's Deferred Compensation Plan for Non-Management Directors. Reporting Person is credited with stock equivalents as soon as administratively practicable following the month in which such retainer is earned. The value of these stock equivalents is distributed (on a one-for-one basis) in the form of cash upon retirement from the Board of Directors.

F2 · derivative.exercise_date: The stock equivalents have no fixed exercisable or expiration dates.

F2 · derivative.expiration_date: The stock equivalents have no fixed exercisable or expiration dates.

SEC source: 0001530950-21-000065 · wf-form4_161316488169095.xml · derivative · entry 1

STIRITZ WILLIAM P · CIK 0001052058 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 117,981.609

Underlying: Common Stock · 101.81 shares

Expires not disclosed

F1 · derivative.exercise_price: Reporting Person's retainers earned as a Director of Issuer are deferred into Post Holdings, Inc. stock equivalents under the Issuer's Deferred Compensation Plan for Non-Management Directors. Reporting Person is credited with stock equivalents as soon as administratively practicable following the month in which such retainer is earned. The value of these stock equivalents is distributed (on a one-for-one basis) in the form of cash upon retirement from the Board of Directors.

F2 · derivative.exercise_date: The stock equivalents have no fixed exercisable or expiration dates.

F2 · derivative.expiration_date: The stock equivalents have no fixed exercisable or expiration dates.

SEC source: 0001530950-21-000058 · wf-form4_161316465169643.xml · derivative · entry 1

BURWELL DOROTHY M · CIK 0001816548 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 653.05

Underlying: Common Stock · 101.81 shares

Expires not disclosed

F1 · derivative.exercise_price: Reporting Person's retainers earned as a Director of Issuer are deferred into Post Holdings, Inc. stock equivalents under the Issuer's Deferred Compensation Plan for Non-Management Directors. Reporting Person is credited with stock equivalents as soon as administratively practicable following the month in which such retainer is earned. The value of these stock equivalents is distributed (on a one-for-one basis) in the form of cash upon retirement from the Board of Directors.

F2 · derivative.exercise_date: The stock equivalents have no fixed exercisable or expiration dates.

F2 · derivative.expiration_date: The stock equivalents have no fixed exercisable or expiration dates.

SEC source: 0001530950-21-000062 · wf-form4_161316477312976.xml · derivative · entry 1

HARSHMAN ELLEN F · CIK 0001718508 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,989.925

Underlying: Common Stock · 50.905 shares

Expires not disclosed

F1 · derivative.exercise_price: Reporting Person's retainers earned as a Director of Issuer are deferred into Post Holdings, Inc. stock equivalents under the Issuer's Deferred Compensation Plan for Non-Management Directors. Reporting Person is credited with stock equivalents as soon as administratively practicable following the month in which such retainer is earned. The value of these stock equivalents is distributed (on a one-for-one basis) in the form of cash upon retirement from the Board of Directors.

F2 · derivative.exercise_date: The stock equivalents have no fixed exercisable or expiration dates.

F2 · derivative.expiration_date: The stock equivalents have no fixed exercisable or expiration dates.

SEC source: 0001530950-21-000060 · wf-form4_161316469268170.xml · derivative · entry 1

CURL GREGORY L · CIK 0001257186 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 101.81

Underlying: Common Stock · 101.81 shares

Expires not disclosed

F1 · derivative.exercise_price: Reporting Person's retainers earned as a Director of Issuer are deferred into Post Holdings, Inc. stock equivalents under the Issuer's Deferred Compensation Plan for Non-Management Directors. Reporting Person is credited with stock equivalents as soon as administratively practicable following the month in which such retainer is earned. The value of these stock equivalents is distributed (on a one-for-one basis) in the form of cash upon retirement from the Board of Directors.

F2 · derivative.exercise_date: The stock equivalents have no fixed exercisable or expiration dates.

F2 · derivative.expiration_date: The stock equivalents have no fixed exercisable or expiration dates.

SEC source: 0001530950-21-000064 · wf-form4_161316485021653.xml · derivative · entry 1

SKARIE DAVID P · CIK 0001184295 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,321.071

Underlying: Common Stock · 101.81 shares

Expires not disclosed

F1 · derivative.exercise_price: Reporting Person's retainers earned as a Director of Issuer are deferred into Post Holdings, Inc. stock equivalents under the Issuer's Deferred Compensation Plan for Non-Management Directors. Reporting Person is credited with stock equivalents as soon as administratively practicable following the month in which such retainer is earned. The value of these stock equivalents is distributed (on a one-for-one basis) in the form of cash upon retirement from the Board of Directors.

F2 · derivative.exercise_date: The stock equivalents have no fixed exercisable or expiration dates.

F2 · derivative.expiration_date: The stock equivalents have no fixed exercisable or expiration dates.

SEC source: 0001530950-21-000061 · wf-form4_161316473051772.xml · derivative · entry 1

GROTE ROBERT E · CIK 0001540005 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,046.907

Underlying: Common Stock · 101.81 shares

Expires not disclosed

F1 · derivative.exercise_price: Reporting Person's retainers earned as a Director of Issuer are deferred into Post Holdings, Inc. stock equivalents under the Issuer's Deferred Compensation Plan for Non-Management Directors. Reporting Person is credited with stock equivalents as soon as administratively practicable following the month in which such retainer is earned. The value of these stock equivalents is distributed (on a one-for-one basis) in the form of cash upon retirement from the Board of Directors.

F2 · derivative.exercise_date: The stock equivalents have no fixed exercisable or expiration dates.

F2 · derivative.expiration_date: The stock equivalents have no fixed exercisable or expiration dates.

SEC source: 0001530950-21-000059 · wf-form4_161316467115917.xml · derivative · entry 1

CALLISON EDWIN H · CIK 0001539989 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,501.902

Underlying: Common Stock · 147.058 shares

Expires not disclosed

F1 · derivative.exercise_price: Reporting Person's retainers earned as a Director of Issuer are deferred into Post Holdings, Inc. stock equivalents under the Issuer's Deferred Compensation Plan for Non-Management Directors. Reporting Person is credited with stock equivalents as soon as administratively practicable following the month in which such retainer is earned. The value of these stock equivalents is distributed (on a one-for-one basis) in the form of cash upon retirement from the Board of Directors.

F2 · derivative.exercise_date: The stock equivalents have no fixed exercisable or expiration dates.

F2 · derivative.expiration_date: The stock equivalents have no fixed exercisable or expiration dates.

SEC source: 0001530950-21-000043 · wf-form4_161247643506380.xml · nonDerivative · entry 1

KEMPER DAVID W · CIK 0000924750 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,200

F1 · shares: Each restricted stock unit represents a contingent right to receive one share of Post Holdings, Inc. common stock granted under the Post Holding, Inc. 2019 Long-Term Incentive Plan. The restricted stock units vest in full on the first anniversary of the date of grant subject to the terms of the award agreement.

SEC source: 0001530950-21-000045 · wf-form4_161247649699416.xml · nonDerivative · entry 1

STIRITZ WILLIAM P · CIK 0001052058 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,100,617

F1 · shares: Each restricted stock unit represents a contingent right to receive one share of Post Holdings, Inc. common stock granted under the Post Holding, Inc. 2019 Long-Term Incentive Plan. The restricted stock units vest in full on the first anniversary of the date of grant subject to the terms of the award agreement.

SEC source: 0001530950-21-000038 · wf-form4_161247629336878.xml · nonDerivative · entry 1

BURWELL DOROTHY M · CIK 0001816548 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,600

F1 · shares: Each restricted stock unit represents a contingent right to receive one share of Post Holdings, Inc. common stock granted under the Post Holding, Inc. 2019 Long-Term Incentive Plan. The restricted stock units vest in full on the first anniversary of the date of grant subject to the terms of the award agreement.

SEC source: 0001530950-21-000042 · wf-form4_161247639090775.xml · nonDerivative · entry 1

HARSHMAN ELLEN F · CIK 0001718508 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,600

F1 · shares: Each restricted stock unit represents a contingent right to receive one share of Post Holdings, Inc. common stock granted under the Post Holding, Inc. 2019 Long-Term Incentive Plan. The restricted stock units vest in full on the first anniversary of the date of grant subject to the terms of the award agreement.

SEC source: 0001530950-21-000040 · wf-form4_161247633796736.xml · nonDerivative · entry 1

CURL GREGORY L · CIK 0001257186 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,700

F1 · shares: Each restricted stock unit represents a contingent right to receive one share of Post Holdings, Inc. common stock granted under the Post Holding, Inc. 2019 Long-Term Incentive Plan. The restricted stock units vest in full on the first anniversary of the date of grant subject to the terms of the award agreement.

SEC source: 0001530950-21-000044 · wf-form4_161247645798125.xml · nonDerivative · entry 1

SKARIE DAVID P · CIK 0001184295 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 28,093

F1 · shares: Each restricted stock unit represents a contingent right to receive one share of Post Holdings, Inc. common stock granted under the Post Holding, Inc. 2019 Long-Term Incentive Plan. The restricted stock units vest in full on the first anniversary of the date of grant subject to the terms of the award agreement.

SEC source: 0001530950-21-000041 · wf-form4_161247635493586.xml · nonDerivative · entry 1

GROTE ROBERT E · CIK 0001540005 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,950

F1 · shares: Each restricted stock unit represents a contingent right to receive one share of Post Holdings, Inc. common stock granted under the Post Holding, Inc. 2019 Long-Term Incentive Plan. The restricted stock units vest in full on the first anniversary of the date of grant subject to the terms of the award agreement.

SEC source: 0001530950-21-000039 · wf-form4_161247631695683.xml · nonDerivative · entry 1

CALLISON EDWIN H · CIK 0001539989 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,700

F1 · shares: Each restricted stock unit represents a contingent right to receive one share of Post Holdings, Inc. common stock granted under the Post Holding, Inc. 2019 Long-Term Incentive Plan. The restricted stock units vest in full on the first anniversary of the date of grant subject to the terms of the award agreement.

SEC source: 0001530950-21-000119 · wf-form4_161731123804464.xml · nonDerivative · entry 2

VITALE ROBERT V · CIK 0001540021 · Director · PRESIDENT & CEO

10b5-1 filing: Not disclosed

Ownership: Indirect · By Spouse

Disclosed balance after: 30,000

F1 · balance_after: Includes 15,000 shares that were inadvertently reported as being gifted by the Reporting Person directly to his spouse's trust on January 12, 2021.

SEC source: 0001530950-21-000119 · wf-form4_161731123804464.xml · nonDerivative · entry 1

VITALE ROBERT V · CIK 0001540021 · Director · PRESIDENT & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 261,466

SEC source: 0001530950-21-000016 · wf-form4_161065924571895.xml · nonDerivative · entry 2

GRAY DIEDRE J · CIK 0001557413 · EVP, GC & CAO, SECY

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 21,438

SEC source: 0001530950-21-000016 · wf-form4_161065924571895.xml · nonDerivative · entry 1

GRAY DIEDRE J · CIK 0001557413 · EVP, GC & CAO, SECY

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 37,275

F1 · kind: Transfer of vested shares by the Reporting Person to her revocable trust.

SEC source: 0001530950-21-000018 · wf-form4_161109381180257.xml · nonDerivative · entry 2

VITALE ROBERT V · CIK 0001540021 · Director · PRESIDENT & CEO

10b5-1 filing: Not disclosed

Ownership: Indirect · By Spouse's Trust

Disclosed balance after: 15,000

SEC source: 0001530950-21-000018 · wf-form4_161109381180257.xml · nonDerivative · entry 1

VITALE ROBERT V · CIK 0001540021 · Director · PRESIDENT & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 276,466

F1 · kind: Transfer of vested shares by the Reporting Person to a trust for the benefit of his spouse.

SEC source: 0001530950-21-000012 · wf-form4_160979736869433.xml · derivative · entry 1

KEMPER DAVID W · CIK 0000924750 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,379.917

Underlying: Common Stock · 120.997 shares

Expires not disclosed

F1 · derivative.exercise_price: Reporting Person's retainers earned as a Director of Issuer are deferred into Post Holdings, Inc. stock equivalents under the Issuer's Deferred Compensation Plan for Non-Management Directors. Reporting Person is credited with stock equivalents as soon as administratively practicable following the month in which such retainer is earned. The value of these stock equivalents is distributed (on a one-for-one basis) in the form of cash upon retirement from the Board of Directors.

F2 · derivative.exercise_date: The stock equivalents have no fixed exercisable or expiration dates.

F2 · derivative.expiration_date: The stock equivalents have no fixed exercisable or expiration dates.

SEC source: 0001530950-21-000014 · wf-form4_160979740653245.xml · derivative · entry 1

STIRITZ WILLIAM P · CIK 0001052058 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 117,868.663

Underlying: Common Stock · 98.998 shares

Expires not disclosed

F1 · derivative.exercise_price: Reporting Person's retainers earned as a Director of Issuer are deferred into Post Holdings, Inc. stock equivalents under the Issuer's Deferred Compensation Plan for Non-Management Directors. Reporting Person is credited with stock equivalents as soon as administratively practicable following the month in which such retainer is earned. The value of these stock equivalents is distributed (on a one-for-one basis) in the form of cash upon retirement from the Board of Directors.

F2 · derivative.exercise_date: The stock equivalents have no fixed exercisable or expiration dates.

F2 · derivative.expiration_date: The stock equivalents have no fixed exercisable or expiration dates.

SEC source: 0001530950-21-000008 · wf-form4_160979729888873.xml · derivative · entry 1

BURWELL DOROTHY M · CIK 0001816548 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 551.188

Underlying: Common Stock · 98.998 shares

Expires not disclosed

F1 · derivative.exercise_price: Reporting Person's retainers earned as a Director of Issuer are deferred into Post Holdings, Inc. stock equivalents under the Issuer's Deferred Compensation Plan for Non-Management Directors. Reporting Person is credited with stock equivalents as soon as administratively practicable following the month in which such retainer is earned. The value of these stock equivalents is distributed (on a one-for-one basis) in the form of cash upon retirement from the Board of Directors.

F2 · derivative.exercise_date: The stock equivalents have no fixed exercisable or expiration dates.

F2 · derivative.expiration_date: The stock equivalents have no fixed exercisable or expiration dates.

SEC source: 0001530950-21-000011 · wf-form4_160979735153475.xml · derivative · entry 1

HARSHMAN ELLEN F · CIK 0001718508 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,938.743

Underlying: Common Stock · 49.499 shares

Expires not disclosed

F1 · derivative.exercise_price: Reporting Person's retainers earned as a Director of Issuer are deferred into Post Holdings, Inc. stock equivalents under the Issuer's Deferred Compensation Plan for Non-Management Directors. Reporting Person is credited with stock equivalents as soon as administratively practicable following the month in which such retainer is earned. The value of these stock equivalents is distributed (on a one-for-one basis) in the form of cash upon retirement from the Board of Directors.

F2 · derivative.exercise_date: The stock equivalents have no fixed exercisable or expiration dates.

F2 · derivative.expiration_date: The stock equivalents have no fixed exercisable or expiration dates.

SEC source: 0001530950-21-000013 · wf-form4_160979738558959.xml · derivative · entry 1

SKARIE DAVID P · CIK 0001184295 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,217.634

Underlying: Common Stock · 98.998 shares

Expires not disclosed

F1 · derivative.exercise_price: Reporting Person's retainers earned as a Director of Issuer are deferred into Post Holdings, Inc. stock equivalents under the Issuer's Deferred Compensation Plan for Non-Management Directors. Reporting Person is credited with stock equivalents as soon as administratively practicable following the month in which such retainer is earned. The value of these stock equivalents is distributed (on a one-for-one basis) in the form of cash upon retirement from the Board of Directors.

F2 · derivative.exercise_date: The stock equivalents have no fixed exercisable or expiration dates.

F2 · derivative.expiration_date: The stock equivalents have no fixed exercisable or expiration dates.

SEC source: 0001530950-21-000010 · wf-form4_160979733034666.xml · derivative · entry 1

GROTE ROBERT E · CIK 0001540005 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,943.497

Underlying: Common Stock · 98.998 shares

Expires not disclosed

F1 · derivative.exercise_price: Reporting Person's retainers earned as a Director of Issuer are deferred into Post Holdings, Inc. stock equivalents under the Issuer's Deferred Compensation Plan for Non-Management Directors. Reporting Person is credited with stock equivalents as soon as administratively practicable following the month in which such retainer is earned. The value of these stock equivalents is distributed (on a one-for-one basis) in the form of cash upon retirement from the Board of Directors.

F2 · derivative.exercise_date: The stock equivalents have no fixed exercisable or expiration dates.

F2 · derivative.expiration_date: The stock equivalents have no fixed exercisable or expiration dates.

SEC source: 0001530950-21-000009 · wf-form4_160979731405889.xml · derivative · entry 1

CALLISON EDWIN H · CIK 0001539989 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,353.299

Underlying: Common Stock · 142.997 shares

Expires not disclosed

F1 · derivative.exercise_price: Reporting Person's retainers earned as a Director of Issuer are deferred into Post Holdings, Inc. stock equivalents under the Issuer's Deferred Compensation Plan for Non-Management Directors. Reporting Person is credited with stock equivalents as soon as administratively practicable following the month in which such retainer is earned. The value of these stock equivalents is distributed (on a one-for-one basis) in the form of cash upon retirement from the Board of Directors.

F2 · derivative.exercise_date: The stock equivalents have no fixed exercisable or expiration dates.

F2 · derivative.expiration_date: The stock equivalents have no fixed exercisable or expiration dates.

SEC source: 0001530950-20-000364 · wf-form4_160815607232445.xml · nonDerivative · entry 1

VITALE ROBERT V · CIK 0001540021 · Director · PRESIDENT & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 291,466

F1 · shares: Surrender of shares in payment of tax withholding due as a result of the vesting of 174,855 RSUs in accordance with Rule 16b-3.

SEC source: 0001530950-20-000362 · wf-form4_160737554441899.xml · nonDerivative · entry 2

HARPER BRADLY A · CIK 0001759632 · SVP, CHIEF ACCTING OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,737

F2 · shares: Surrender of shares in payment of tax withholding due as a result of the vesting of 594 RSUs in accordance with Rule 16b-3.

SEC source: 0001530950-20-000362 · wf-form4_160737554441899.xml · nonDerivative · entry 1

HARPER BRADLY A · CIK 0001759632 · SVP, CHIEF ACCTING OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,003

F1 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $93.810 to $93.875 per share. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.