Regulation FD Disclosure. On October 27, 2026 , the Board of Directors of the Company declared a quarterly cash dividend of $0.76 per share, which will be payable on January 7, 2027 to shareholders of record as of the close of business on December 23, 2026 . Seagate has issued a Supplemental Financial Information document. The Supplemental Financial Information is available on Seagate’s Investor Relations website at investors.seagate.com. Seagate management will hold a public webcast on Octob…

Results of Operations and Financial Condition. On October 27, 2026 , Seagate Technology Holdings plc (the “Company” or “Seagate”) issued a press release reporting its financial results for the fiscal first quarter ended October 2, 2026. The press release is attached to this Current Report on Form 8-K as Exhibit 99.1. The information in this

by reference. On September 8, 2026, Seagate Technology Holdings plc (the “Company” or “Seagate”) issued, and Seagate HDD Cayman (the “Issuer” or “Seagate HDD”), a subsidiary of Seagate, delivered 1,647,862 ordinary shares of Seagate, par value $0.00001 per share (the “Ordinary Shares”) to settle exchanges of $150.51 million aggregate principal amount of the Issuer’s outstanding 3.50% Exchangeable Senior Notes due 2028 (the “Notes”). The Ordinary Shares were issued and delivered in reliance up…

Other Events. As previously disclosed, on June 11, 2026, Seagate HDD issued a notice (the “Redemption Notice”) to holders of the Notes calling for redemption (the “Redemption”) of all approximately $150.7 million principal amount of outstanding Notes. On September 8, 2026 (the “Redemption Date”), all then-outstanding Notes that were called for Redemption and were not submitted for exchange were redeemed for cash at a price (the “Redemption Price”) equal to the principal amount of such Notes p…

Director — Shankar Arumugavelu: A director's decision not to stand for re-election at the annual meeting is a routine board turnover event, not a loss of a senior executive officer.

Results of Operations and Financial Condition. On July 28, 2026 , Seagate Technology Holdings plc (the “Company” or “Seagate”) issued a press release reporting its financial results for the fiscal fourth quarter and fiscal year ended July 3, 2026. The press release is attached to this Current Report on Form 8-K as Exhibit 99.1. The information in this

Regulation FD Disclosure. On July 28, 2026, the Board of Directors of the Company declared a quarterly cash dividend of $0.74 per share, which will be payable on October 7, 2026 to shareholders of record as of the close of business on September 24, 2026. Seagate has issued a Supplemental Financial Information document. The Supplemental Financial Information is available on Seagate’s Investor Relations website at investors.seagate.com. Seagate management will hold a public webcast on July 28,…

Other Events. On June 11, 2026, Seagate HDD Cayman, a subsidiary of Seagate (the “Issuer” or “Seagate HDD”), issued a notice (the “Redemption Notice”) to holders of the Issuer’s 3.50% Exchangeable Senior Notes due 2028 (the “Notes”) calling for redemption (the “Redemption”) of all outstanding Notes. On September 8, 2026 (the “Redemption Date”), all then-outstanding Notes that are called for Redemption and have not been submitted for exchange will be redeemed for cash at a price (the “Redempti…

Other Events. On May 28, 2026, the Company issued a press release announcing the closing of a transaction the Company previously disclosed in a Current Report on the Form 8-K filed on May 21, 2026, whereby the Company and its subsidiary, Seagate HDD Cayman (“Seagate HDD”) entered into separate, privately negotiated exchange agreements (the “Exchange Agreements”) with a limited number of holders of Seagate HDD’s 3.50% Exchangeable Senior Notes due 2028 (the “Notes”) to exchange (collectively,…

by reference. The Exchanges (as defined below) were conducted as private placements, and the aggregate of 2,023,124 ordinary shares issued in the Exchanges were issued pursuant to the exemption from the registration requirements of the Securities Act of 1933, as amended (the “Securities Act”), afforded by Section 4(a)(2) of the Securities Act in transactions not involving any public offering.

Other Events. On May 20, 2026, the Company and its subsidiary, Seagate HDD Cayman (“Seagate HDD”) entered into separate, privately negotiated exchange agreements (the “Exchange Agreements”) with a limited number of holders of Seagate HDD’s 3.50% Exchangeable Senior Notes due 2028 (the “Notes”) to exchange (collectively, the “Exchanges”) $185.908 million principal amount of Notes for consideration consisting of an aggregate of $185.908 million in cash and a number of ordinary shares of the Com…

by reference. The Exchanges (as defined below) are being conducted as private placements, and any ordinary shares to be issued in the Exchanges will be issued pursuant to the exemption from the registration requirements of the Securities Act of 1933, as amended (the “Securities Act”), afforded by Section 4(a)(2) of the Securities Act in transactions not involving any public offering.

Director — Michael R. Cannon: Mr. Michael R. Cannon decided not to stand for re-election to the Board at the Company’s 2026 Annual General Meeting.

Regulation FD Disclosure. On April 28, 2026 , the Board of Directors of the Company declared a quarterly cash dividend of $0.74 per share, which will be payable on July 7, 2026 to shareholders of record as of the close of business on June 24, 2026. Seagate has issued a Supplemental Financial Information document. The Supplemental Financial Information is available on Seagate’s Investor Relations website at investors.seagate.com. Seagate management will hold a public webcast on April 28, 2026…

Results of Operations and Financial Condition. On April 28, 2026 , Seagate Technology Holdings plc (the “Company” or “Seagate”) issued a press release reporting its financial results for the fiscal third quarter ended April 3, 2026. The press release is attached to this Current Report on Form 8-K as Exhibit 99.1. The information in this

by reference. The Exchanges (as defined below) were conducted as private placements, and the aggregate of 5,952,309 ordinary shares issued in the Exchanges were issued pursuant to the exemption from the registration requirements of the Securities Act of 1933, as amended (the “Securities Act”), afforded by Section 4(a)(2) of the Securities Act in transactions not involving any public offering.

Other Events. On February 19, 2026, the Company issued a press release announcing the closing of a transaction the Company previously disclosed in a Current Report on the Form 8-K filed on February 12, 2026, whereby the Company and its subsidiary, Seagate HDD Cayman (“Seagate HDD”) entered into separate, privately negotiated exchange agreements (the “Exchange Agreements”) with a limited number of holders of Seagate HDD’s 3.50% Exchangeable Senior Notes due 2028 (the “Notes”) to exchange (coll…

Other Events. On February 11, 2026, the Company and its subsidiary, Seagate HDD Cayman (“Seagate HDD”) entered into separate, privately negotiated exchange agreements (the “Exchange Agreements”) with a limited number of holders of Seagate HDD’s 3.50% Exchangeable Senior Notes due 2028 (the “Notes”) to exchange (collectively, the “Exchanges”) $600 million principal amount of Notes for consideration consisting of an aggregate of approximately $599.2 million in cash and a number of ordinary shar…

by reference. The Exchanges (as defined below) are being conducted as private placements, and any ordinary shares to be issued in the Exchanges will be issued pursuant to the exemption from the registration requirements of the Securities Act of 1933, as amended (the “Securities Act”), afforded by Section 4(a)(2) of the Securities Act in transactions not involving any public offering.

Regulation FD Disclosure. On January 27, 2026 , the Board of Directors of the Company declared a quarterly cash dividend of $0.74 per share, which will be payable on April 8, 2026 to shareholders of record as of the close of business on March 25, 2026. Seagate has issued a Supplemental Financial Information document. The Supplemental Financial Information is available on Seagate’s Investor Relations website at investors.seagate.com. Seagate management will hold a public webcast on January 27,…

Results of Operations and Financial Condition. On January 27, 2026 , Seagate Technology Holdings plc (the “Company” or “Seagate”) issued a press release reporting its financial results for the fiscal second quarter ended January 2, 2026. The press release is attached to this Current Report on Form 8-K as Exhibit 99.1. The information in this

Other Events. On November 13, 2025, the Company issued a press release announcing the closing of a transaction the Company previously disclosed in a Current Report on the Form 8-K filed on November 5, 2025, whereby the Company and its subsidiary, Seagate HDD Cayman (“Seagate HDD”) entered into separate, privately negotiated exchange agreements (the “Exchange Agreements”) with a limited number of holders of Seagate HDD’s 3.50% Exchangeable Senior Notes due 2028 (the “Notes”) to exchange (colle…

by reference. The Exchanges (as defined below) were conducted as private placements, and the aggregate of 4,313,941 ordinary shares issued in the Exchanges were issued pursuant to the exemption from the registration requirements of the Securities Act of 1933, as amended (the “Securities Act”), afforded by Section 4(a)(2) of the Securities Act in transactions not involving any public offering.

by reference. The Exchanges (as defined below) are being conducted as private placements, and any ordinary shares to be issued in the Exchanges will be issued pursuant to the exemption from the registration requirements of the Securities Act of 1933, as amended (the “Securities Act”), afforded by Section 4(a)(2) of the Securities Act in transactions not involving any public offering.

of Form 8-K, and any related exhibits) filed with the SEC after October 3, 2025. (j) Each of the Company and the Issuer understands that, unless the Company or the Issuer notifies the Investor in writing to the contrary at or before the Closing, each of the Company’s and the Issuer’s representations and warranties contained in this Exchange Agreement will be deemed to have been reaffirmed and confirmed as of the Closing, taking into account all information received by the Company and the Issu…