Results of Operations and Financial Condition. On July 9, 2026, The Simply Good Foods Company, a Delaware corporation (the “Company”), reported its results for the fiscal third quarter ended May 30, 2026. The results are discussed in detail in the press release attached hereto as Exhibit 99.1. In addition, the Company has posted an investor presentation at www.thesimplygoodfoodscompany.com. The information in this item, including Exhibit 99.1, is being furnished, not filed. Accordingly, the i…

Senior Vice President and Chief Human Resources Officer — Amy Held: Ms. Amy Held will depart the Company by June 1, 2026.

Results of Operations and Financial Condition. On April 9, 2026, The Simply Good Foods Company, a Delaware corporation (the “Company”), reported its results for the fiscal second quarter ended February 28, 2026. The results are discussed in detail in the press release attached hereto as Exhibit 99.1. In addition, the Company has posted an investor presentation at www.thesimplygoodfoodscompany.com. The information in this item, including Exhibit 99.1, is being furnished, not filed. Accordingly…

Director — Joseph E. Scalzo: Joseph E. Scalzo was appointed to the Board of Directors to fill a vacancy.

CEO — Geoff Tanner: The CEO transitioned to a named successor (Joseph E. Scalzo) in an orderly succession, which is not considered a loss shock or genuine departure.

Results of Operations and Financial Condition. On January 8, 2026, The Simply Good Foods Company, a Delaware corporation (the “Company”), reported its results for the fiscal first quarter ended November 29, 2025. The results are discussed in detail in the press release attached hereto as Exhibit 99.1. In addition, the Company has posted an investor presentation at www.thesimplygoodfoodscompany.com. The information in this item, including Exhibit 99.1, is being furnished, not filed. Accordingl…

Entry into a Material Definitive Agreement. On November 19, 2025, Simply Good Foods USA, Inc., a wholly owned subsidiary of The Simply Good Foods Company (“ Simply USA ”), which is the Administrative Borrower under the Credit Agreement (as defined below), entered into that certain Amendment No. 8 (the “ Credit Agreement Amendment ”) to that certain Credit Agreement, dated as of July 7, 2017 (as amended, restated, amended and restated, supplemented or otherwise modified from time to time, the…

Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant The information set forth under

Results of Operations and Financial Condition. On October 23, 2025, The Simply Good Foods Company, a Delaware corporation (the “Company”), reported its results for the fourth quarter and full fiscal year ended August 30, 2025. The results are discussed in detail in the press release attached hereto as Exhibit 99.1. In addition, the Company has posted an investor presentation at www.thesimplygoodfoodscompany.com. The information in this item, including Exhibit 99.1, is being furnished, not fil…

Results of Operations and Financial Condition. On July 10, 2025, The Simply Good Foods Company, a Delaware corporation (the “Company”), reported its results for the fiscal third quarter ended May 31, 2025. The results are discussed in detail in the press release attached hereto as Exhibit 99.1. In addition, the Company has posted an investor presentation at www.thesimplygoodfoodscompany.com. The information in this item, including Exhibit 99.1, is being furnished, not filed. Accordingly, the…

CFO — Christopher J. Bealer: The filing announces the appointment of a new CFO, Christopher J. Bealer, who joined the company from an external firm (Reckitt) in April 2025, representing a planned succession rather than a sudden loss of a sitting executive.

Results of Operations and Financial Condition. On April 9, 2025, The Simply Good Foods Company, a Delaware corporation (the “Company”), reported its results for the fiscal second quarter ended March 1, 2025. The results are discussed in detail in the press release attached hereto as Exhibit 99.1. In addition, the Company has posted an investor presentation at www.thesimplygoodfoodscompany.com. The information in this item, including Exhibit 99.1, is being furnished, not filed. Accordingly, th…

Entry into a Material Definitive Agreement. On January 31, 2025, Simply Good Foods USA, Inc., a wholly owned, indirect subsidiary of The Simply Good Foods Company (the “ Administrative Borrower ”), entered into that certain Repricing Amendment (the “ Amendment ”) to the Credit Agreement, dated as of July 7, 2017, among Conyers Park Acquisition Corp., Atkins Intermediate Holdings, LLC, the Administrative Borrower, the other borrowers party thereto, the lenders party thereto and Barclays Bank P…

Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant The information set forth under

CFO — Shaun P. Mara: The CFO is retiring with a named successor (Christopher J. Bealer) already hired to take over, indicating an orderly succession rather than a sudden loss of leadership.

Results of Operations and Financial Condition. On January 8, 2025, The Simply Good Foods Company, a Delaware corporation (the “Company”), reported its results for the fiscal first quarter ended November 30, 2024. The results are discussed in detail in the press release attached hereto as Exhibit 99.1. In addition, the Company has posted an investor presentation at www.thesimplygoodfoodscompany.com. The information in this item, including Exhibit 99.1, is being furnished, not filed. Accordingl…

Results of Operations and Financial Condition. On October 24, 2024, The Simply Good Foods Company, a Delaware corporation (the “Company”), reported its results for the fourth quarter and full fiscal year ended August 31, 2024. The results are discussed in detail in the press release attached hereto as Exhibit 99.1. In addition, the Company has posted an investor presentation at www.thesimplygoodfoodscompany.com. The information in this item, including Exhibit 99.1, is being furnished, not fil…

Regulation FD Disclosure. On September 9, 2024, in the Company’s press release announcing the appointment of Mr. Clawson as its new Chief Customer Officer, effective October 14, 2024, Mr. Tanner was quoted indicating the Company is tracking to its full year fiscal 2024 financial objectives. The Company provided a detailed update of its full fiscal year 2024 outlook in its fiscal third quarter 2024 earnings release on June 27, 2024. The Company expects to report the financial results for its f…

Chief Customer Officer — Jill M. Short: The current Chief Customer Officer is transitioning to an advisory role with a named successor (Mike Clawson) appointed simultaneously, indicating an orderly succession rather than a sudden loss of leadership.

Chief Growth Officer — Linda M. Zink: The company eliminated the Chief Growth Officer role and the incumbent is departing with severance, representing a genuine executive departure but not necessarily a negative signal given the structured nature of the change.

Results of Operations and Financial Condition. On June 27, 2024, The Simply Good Foods Company, a Delaware corporation (the “Company”), reported its results for the fiscal third quarter ended May 25, 2024. The results are discussed in detail in the press release attached hereto as Exhibit 99.1. In addition, the Company has posted an investor presentation at www.thesimplygoodfoodscompany.com. The information in this item, including Exhibit 99.1, is being furnished, not filed. Accordingly, the…

Entry into a Material Definitive Agreement. On June 13, 2024, Simply USA, which is the Administrative Borrower under the Credit Agreement (as defined below), entered into that certain Amendment No. 6 (Incremental Facility Amendment) (the “ Credit Agreement Amendment ”) to that certain Credit Agreement, dated as of July 7, 2017, among Atkins Intermediate Holdings, LLC, a Delaware limited liability company (“ Holdings ”), Conyers Park Acquisition Corp., a Delaware corporation, Simply USA, Atkin…

Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of the Registrant. The information set forth under

by reference, and does not purport to be complete and is qualified in its entirety by reference to the full text of the Purchase Agreement, which has been filed as Exhibit 2.1 to the Company’s Current Report on Form 8-K dated April 30, 2024, and is incorporated herein by reference.

Entry into a Material Definitive Agreement. On April 29, 2024, Simply Good Foods USA, Inc., a New York corporation (“ Simply USA ”), entered into a Stock Purchase Agreement (the “ Purchase Agreement ”) with Safe Brands, LLC, a Delaware limited liability company (“ Seller ”), and Only What You Need, Inc., a Delaware corporation (“ Target ”). Simply USA is a wholly owned subsidiary of The Simply Good Foods Company (the “ Company ”). Pursuant to the Purchase Agreement, the Company will acquire 1…