Exhibit 99.1 Post Holdings Reports Results for the Second Quarter of Fiscal Year 2024; Raises Fiscal Year 2024 Outlook St. Louis - May 2, 2024 - Post Holdings, Inc. (NYSE:POST), a consumer packaged goods holding company, today reported results for the second fiscal quarter ended March 31, 2024. Highlights: *For additional information regarding non-GAAP measures, such as Adjusted EBITDA, Adjusted net earnings, Adjusted diluted earnings per common share and segment Adjusted EBITDA, see the related explanation ...

Post Holdings, Inc. (NYSE:POST) Q1 2024 Earnings Conference Call February 2, 2024 9:00 AM ET Company Participants Daniel O'Rourke - Investor Relations Robert Vitale - President and Chief Executive Officer Jeff Zadoks - Executive Vice President and Chief Operating Officer Matt Mainer - Senior Vice President, Chief Financial Officer and Treasurer Conference Call Participants Andrew Lazar - Barclays John Baumgartner - Mizuho Securities Michael Lavery - Piper Sandler Ken Goldman - JPMorgan Matthew Smith - Stife ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 __________________ (State or other jurisdiction of incorporation or organization) FORM 10-Q __________________ ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended December 31, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from _____ to _____ Commission File Number: 1-35305 ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended September 30, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from _____ to _____ Commission file number: 1-35305 ______________________ POST HOLDINGS, INC. (Exact name of registrant as specified in its charter) ...

Post Holdings, Inc. (NYSE:POST) Q4 2023 Earnings Conference Call November 17, 2023 9:00 AM ET Company Participants Daniel O'Rourke - Investor Relations Robert Vitale - President and Chief Executive Officer Jeff Zadoks - Chief Operating Officer and Interim Chief Executive Officer Matt Mainer - Senior Vice President, Chief Financial Officer and Treasurer Conference Call Participants Andrew Lazar - Barclays Kenneth Goldman - JPMorgan David Palmer - Evercore ISI Matthew Smith - Stifel Michael Lavery - Piper San ...

Post Holdings, Inc. (NYSE:POST) Q3 2023 Earnings Conference Call August 4, 2023 9:00 AM ET Company Participants Daniel O'Rourke - IR Rob Vitale - President and CEO Matt Mainer - CFO Conference Call Participants Andrew Lazar - Barclays David Palmer - Evercore ISI Michael Lavery - Piper Sandler Bill Chappell - Truist Securities Robert Dickerson - Jefferies Jason English - Goldman Sachs Matt Smith - Stifel Operator Good day, and welcome to the Post Holdings Quarter Three 2023 Earnings Conference Call. At this ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 __________________ FORM 10-Q __________________ ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from _____ to _____ Commission File Number: 1-35305 Post Holdings, Inc. (Exact name of registrant as specified in its c ...

Post Holdings, Inc. (NYSE:POST) Q2 2023 Earnings Conference Call May 5, 2023 9:00 AM ET Company Participants Daniel O’Rourke – Investor Relations Rob Vitale – President and Chief Executive Officer Matt Mainer – Chief Financial Officer and Treasurer Conference Call Participants Andrew Lazar – Barclays David Palmer – Evercore Matt Smith – Stifel Michael Lavery – Piper Sandler Bill Chappell – Truist Jason English – Goldman Sachs Operator Thank you for standing by, and welcome to the Post Holdings Second Quarte ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 __________________ FORM 10-Q __________________ ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from _____ to _____ Commission File Number: 1-35305 Post Holdings, Inc. (Exact name of registrant as specified in its charter) Table of ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 __________________ FORM 10-Q __________________ ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended December 31, 2022 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from _____ to _____ Commission File Number: 1-35305 Post Holdings, Inc. (Exact name of registrant as specified in i ...