WDC: Company disclosure · Other company developments

Item 7.01 Regulation FD Disclosure. On September 14, 2026, Western Digital Corporation (the “Company”) issued a press release regarding the redemption of its 3.00% Convertible Senior Notes due 2028 (the “Notes”), a copy of which is attached as Exhibit 99.1 hereto. In accordance with General Instruction B.2 of Form 8-K, the information in this Item 7.01, including Exhibit 99.1, 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, and shall not be incorporated by reference into any registration statement or other document filed under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing. Item 8.01 Other Events. On September 14, 2026, the Company issued a notice (the “Redemption Notice”) calling all outstanding Notes for redemption (the “Redemption”) on November 16, 2026 (the “Redemption Date”) pursuant to Section 16.01 of the Indenture, dated as of November 3, 2023 (the “Indenture”), by and among the Company, Western Digital Technologies, Inc., as Guarantor, and U.S. Bank Trust Company, National Association, as trustee (the “Trustee”). On the Redemption Date, all then-outstanding Notes that have not been converted will be redeemed for cash at a redemption price (the “Redemption Price”) equal to 100% of the principal amount of such Notes, plus accrued and unpaid interest, if any, to, but excluding, the Redemption Date. Interest on the Notes payable in respect of the November 15, 2026 interest payment date will be paid on Monday, November 16, 2026 to holders of the Notes as of the related regular record date and will not be included in the Redemption Price.