Open Text Corporation

Item 8.01 Other Events On September 23, 2026, Open Text Corporation (“OpenText” or the “Company”) issued a press release that the Company has commenced, subject to market and customary conditions, a proposed offering (the “Notes Offering”) of senior secured notes of one or more series (collectively, the “Notes”) pursuant to Rule 144A and Regulation S under the Securities Act of 1933, as amended (the “Securities Act”). A copy of the press release is filed as Exhibit 99.1 hereto, and the information contained in Exhibit 99.1 is incorporated herein by reference into this Item 8.01. The Company also issued a press release announcing the commencement of a tender offer (the “Tender Offer”) of its outstanding 3.875% Senior Notes due 2028 (the “2028 Notes”), up to an aggregate principal amount of the 2028 Notes that will not exceed $450 million (subject to increase or decrease by the Company). A copy of the press release is filed as Exhibit 99.2 hereto, and the information contained in Exhibit 99.2 is incorporated herein by reference into this Item 8.01. This filing shall not constitute an offer to sell, or the solicitation of an offer to buy, nor shall there be any sale of, the Notes in the proposed Notes Offering in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration, qualification or exemption under the securities laws of any such jurisdiction. This filing shall not constitute an offer to purchase the 2028 Notes in the Tender Offer, which is only made pursuant to the Offer to Purchase dated September 23, 2026 (the “Offer to Purchase”), which is subject to the conditions including a financing condition, described therein. Holders of the 2028 Notes should refer to the Offer to Purchase, available from Global Bondholder Services Corporation, the tender and information agent for the Tender Offer and such related Company press release.