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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 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 7, 2023
Post Holdings, Inc.
(Exact name of registrant as specified in its charter)

Missouri | 001-35305 | 45-3355106
(State or other jurisdiction of incorporation) | (Commission File Number) | (IRS Employer Identification No.)

2503 S. Hanley Road
St. Louis, Missouri 63144
(Address of principal executive offices) (Zip Code)
Registrant’s telephone number, including area code: (314) 644-7600
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:
☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
Securities registered pursuant to Section 12(b) of the Act:

Title of each class | Trading Symbol(s) | Name of each exchange on which registered
Common Stock, $0.01 par value per share | POST | New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).
Emerging growth company ☐
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 7.01. Regulation FD Disclosure.
In a press release dated December 7, 2023, a copy of which is attached hereto as Exhibit 99.1 (the “Press Release”), and the text of which is incorporated herein by reference, Post Holdings, Inc. (the “Company”) provided information regarding avian influenza incidents at certain of the Company’s Michael Foods third-party contracted egg-laying facilities.
In addition, in the Press Release, the Company updated its fiscal year 2024 financial outlook, including to incorporate its recent acquisition of Perfection Pet Foods, LLC.
The information contained in this Item 7.01 and Exhibit 99.1 attached hereto shall not be deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that Section, nor shall it be deemed incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as expressly set forth by specific reference in such filing.
Item 9.01. Financial Statements and Exhibits.
(d) Exhibits.

Exhibit No. | Description
99.1 | Press Release dated December 7, 2023
104 | Cover Page Interactive Data File (the cover page iXBRL tags are embedded within the Inline XBRL document)

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SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Date: December 7, 2023 | Post Holdings, Inc.
| (Registrant)
| By: | /s/ Matthew J. Mainer
| Name: | Matthew J. Mainer
| Title: | Senior Vice President, Chief Financial Officer and Treasurer

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