(I.R.S. Employer Identification No.) Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Actof 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reportingcompany, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company” and If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complyingwith any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.☐ Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes☐No☒ As of April7, 2026, there were 90,489,024 shares of common stock, par value $0.01 per share, issued and outstanding. THE SIMPLY GOOD FOODS COMPANY AND SUBSIDIARIESFORM 10-Q The Simply Good Foods Company and SubsidiariesConsolidated Balance Sheets(Unaudited, dollars in thousands, except share and per share data) February 28, 2026August 30, 2025 The Simply Good Foods Company and SubsidiariesConsolidated Statements of Cash Flows Table of Contents Notes to Unaudited Consolidated Financial Statements 1. Nature of Operations and Principles of Consolidation Description of Business The Simply Good Foods Company (“Simply Good Foods” or the “Company”), headquartered in Denver, Colorado, is a consumerpackaged food and beverage company with ambitious goals to raise the bar on what food can be with trusted brands and innovative nutritioussnacking products. Within our portfolio of trusted brands (Quest, Atkins, and OWYN), we offer a wide variety of nutritional snacks andbeverages, including high protein chips, bars, ready-to-drink (RTD) shakes, and powders, and low sugar, low carb sweets and baked goods. We Our nutritious snacking platform consists of brands that specialize in providing products for consumers that follow certain nutritionalphilosophies and health-and-wellness trends: Quest for consumers seeking a variety of protein-rich foods and beverages that also limit sugarsand simple carbohydrates, Atkins for those following a low-carbohydrate lifestyle or seeking to manage weight or blood sugar levels, andOWYN for consumers seeking protein-rich beverages that are plant-based and tested for the top nine allergens that also limit sugars and simplecarbohydrates. We distribute our products in major retail channels, primarily in North America, including grocery, club, and mass merchandise, The common stock of Simply Good Foods is listed on the Nasdaq Capital Market under the symbol “SMPL.” Unaudited Interim Consolidated Financial Statements The unaudited interim consolidated financial statements include the accounts of Simply Good Foods and its wholly-ownedsubsidiaries. All intercompany accounts and transactions have been eliminated. Unless the context otherwise requires, “we,” “us,” “our” and the“Company” refer to Simply Good Foods and its subsidiaries. In context, “Quest” may also refer to the Quest brand, “Atkins” may also refer tothe Atkins brand, and “OWYN” may also refer to the OWYN brand. Atkins, Atkins Endulge, Quest, OWYN, and the Simply Good logo are The Company maintains its accounting records on a 52/53-week fiscal year, ending on the last Saturday in August. The interim consolidated financial statements and related notes of the Company and its subsidiaries are unaudited. The unauditedinterim consolidated financial statements have been prepared in accordance with U.S. Generally Accepted Accounting Principles (“GAAP”)and the rules and regulations of the Securities and Exchange Commission (the “SEC”). The unaudited interim consolidated financial statementsreflect all adjustments and disclosures which are, in the Company’s opinion, necessary for a fair presentation of the results of operations,financial position and cash flows for the indicated periods. All such adjustments were of a normal and recurring nature unless otherwise 2. Summary of Significant Accounting Policies Refer to Note 2,Summary of Significant Accounting Policies, to the consolidated financial statements included in the Annual Reportfor a description of significant accounting policies. Recently Issued and Adopted Accounting Pronouncements Recently Issued Accounting Pronouncements Not Yet Adopted In December 2023, the FASB issued ASU No. 2023-09, Income Taxes (Topic 740), Imp