BEST BUY CO INC 10-Q

Item 5. Other Information Rule 10b5-1 Plan Elections During the fiscal quarter ended May 2, 2026, none of the Company’s directors or officers (as defined in Rule 16(a)-1(f) of the Securities Exchange Act of 1934, as amended) adopted , terminated or modified a Rule 10b5-1 trading arrangement or non-Rule 10b5-1 trading arrangement (as such terms are defined in Item 408 of Regulation S-K of the Securities Act of 1933, as amended). 26 Table of Contents Item 6. Exhibits 3.1 Amended and Restated Articles of Incorporation (incorporated herein by reference to Exhibit 3.1 to the Current Report on Form 8-K filed by Best Buy Co., Inc. on June 12, 2020) . 3.2 Amended and Restated By-Laws (incorporated herein by reference to Exhibit 3.1 to the Current Report on Form 8-K filed by Best Buy Co., Inc. on June 14, 2018) . 10.1* Form of Best Buy Co., Inc. Long-Term Incentive Program Award Agreement (2026) – Restricted Shares . 10.2* Form of Best Buy Co., Inc. Long-Term Incentive Program Award Agreement (2026) – Restricted Stock Units . 10.3* Employment Letter Agreement, dated April 21, 2026, between Jason Bonfig and Best Buy Co., Inc. (incorporated herein by reference to Exhibit 10.1 to the Current Report on Form 8-K filed by Best Buy Co., Inc. on April 21, 2026). 10.4* Transition Letter Agreement, dated April 21, 2026, between Corie Barry and Best Buy Co., Inc. (incorporated herein by reference to Exhibit 10.2 to the Current Report on Form 8-K filed by Best Buy Co., Inc. on April 21, 2026). 31.1 Certification of the Chief Executive Officer pursuant to Rules 13a-14(a) and 15d-14(a) under the Securities Exchange Act of 1934, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002. 31.2 Certification of the Chief Financial Officer pursuant to Rules 13a-14(a) and 15d-14(a) under the Securities Exchange Act of 1934, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002. 32.1 Certification of the Chief Executive Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002(1). 32.2 Certification of the Chief Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002(1). 101 The following financial information from our Quarterly Report on Form 10-Q for the first quarter of fiscal 2027, filed with the SEC on June 5, 2026, formatted in Inline Extensible Business Reporting Language (“iXBRL”): (i) the Condensed Consolidated Balance Sheets as of May 2, 2026, January 31, 2026, and May 3, 2025, (ii) the Condensed Consolidated Statements of Earnings for the three months ended May 2, 2026, and May 3, 2025, (iii) the Condensed Consolidated Statements of Comprehensive Income for the three months ended May 2, 2026, and May 3, 2025, (iv) the Condensed Consolidated Statements of Cash Flows for the three months ended May 2, 2026, and May 3, 2025, (v) the Condensed Consolidated Statements of Changes in Shareholders’ Equity for the three months ended May 2, 2026, and May 3, 2025, and (vi) the Notes to Condensed Consolidated Financial Statements. 104 The cover page from our Quarterly Report on Form 10-Q for the first quarter of fiscal 2027, filed with the SEC on June 5, 2026, formatted in iXBRL (included as Exhibit 101). (1) The certifications in Exhibit 32.1 and Exhibit 32.2 to this Quarterly Report on Form 10-Q shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to liability of that section and shall not be incorporated by reference into any filing or other document pursuant to the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such filing or document. * Management contracts or compensatory plans or arrangements. Pursuant to Item 601(b)(4)(iii) of Regulation S-K under the Securities Act of 1933, as amended, the registrant has not filed as exhibits to this Quarterly Report on Form 10-Q certain instruments with respect to long-term debt under which the amount of securities authorized does not exceed 10% of the total assets of the registrant. The registrant hereby agrees to furnish copies of all such instruments to the SEC upon request. 27 Table of Contents 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 thereunto duly authorized. BEST BUY CO., INC. (Registrant) Date: June 5, 2026 By: /s/ CORIE BARRY Corie Barry Chief Executive Officer Date: June 5, 2026 By: /s/ MATTHEW BILUNAS Matthew Bilunas Senior Executive Vice President, Chief Financial Officer & Enterprise Strategy Date: June 5, 2026 By: /s/ MATHEW R. WATSON Mathew R. Watson Senior Vice President, Finance – Controller and Chief Accounting Officer 28