Changes in Registrant’s Certifying Accountant On, and effective as of, August 21, 2026, the Audit Committee (the “Audit Committee”) of the Board of Directors of Extreme Networks, Inc. (the “Company”) approved the dismissal of Grant Thornton LLP (“GT”) as the Company’s independent registered public accounting firm. Also on, and effective as of, August 21, 2026, the Audit Committee approved the appointment of Deloitte & Touche LLP (“Deloitte”) as the Company’s independent registered public acco…

and in the accompanying Exhibit 99.1 shall not be incorporated by reference into any registration statement or other document filed by the Company with the Securities and Exchange Commission, whether made before or after the date of this Current Report, regardless of any general incorporation language in such filing, except as shall be expressly set forth by specific reference to this

Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant. The disclosure set forth in

Termination of a Material Definitive Agreement. In connection with the entry into the Credit Agreement, on the Closing Date, Extreme terminated the Existing Credit Agreement, which provided for a first lien term loan facility and a revolving credit facility with Bank of Montreal, as administrative agent and collateral agent, and the lenders party thereto from time to time. A description of the material terms of the Existing Credit Agreement, as amended, is set forth in Note 7 to the condensed…

Entry into a Material Definitive Agreement. Credit Facility On July 29, 2026 (the “Closing Date”), Extreme Networks, Inc. (“Extreme”) entered into a Credit Agreement (the “Credit Agreement”) with the lenders named therein, JPMorgan Chase Bank, N.A., as administrative agent (the “Administrative Agent”), and the other parties from time to time party thereto. The Credit Agreement provides for a 5-year revolving loan facility in an aggregate principal amount of $500 million (the “Revolving Facili…

and in the accompanying Exhibit 99.1 shall not be incorporated by reference into any registration statement or other document filed by the Company with the Securities and Exchange Commission, whether made before or after the date of this Current Report, regardless of any general incorporation language in such filing, except as shall be expressly set forth by specific reference to this

and in the accompanying Exhibit 99.1 shall not be incorporated by reference into any registration statement or other document filed by the Company with the Securities and Exchange Commission, whether made before or after the date of this Current Report, regardless of any general incorporation language in such filing, except as shall be expressly set forth by specific reference to this

Director — Ron Pasek: The filing discloses the appointment of a new director to the Board, which is a routine governance event and not a departure of a senior executive.

and in the accompanying Exhibit 99.1 shall not be incorporated by reference into any registration statement or other document filed by the Company with the Securities and Exchange Commission, whether made before or after the date of this Current Report, regardless of any general incorporation language in such filing, except as shall be expressly set forth by specific reference to this

and in the accompanying Exhibit 99.1 shall not be incorporated by reference into any registration statement or other document filed by the Company with the Securities and Exchange Commission, whether made before or after the date of this Current Report, regardless of any general incorporation language in such filing, except as shall be expressly set forth by specific reference to this

and in the accompanying Exhibit 99.1 shall not be incorporated by reference into any registration statement or other document filed by the Company with the Securities and Exchange Commission, whether made before or after the date of this Current Report, regardless of any general incorporation language in such filing, except as shall be expressly set forth by specific reference to this

Other Events On February 18, 2025, Extreme Networks, Inc. (the "Company") issued a press release announcing that its Board of Directors has authorized a share repurchase of $200 million of common stock over a three-year period, commencing July 1, 2025. Extreme has approximately $50 million remaining from the share repurchase authorization approved in May 2022, which expires June 30, 2025. The manner, timing and amount of any future purchases will be determined by the Company's management base…

and in the accompanying Exhibit 99.1 shall not be incorporated by reference into any registration statement or other document filed by the Company with the Securities and Exchange Commission, whether made before or after the date of this Current Report, regardless of any general incorporation language in such filing, except as shall be expressly set forth by specific reference to this

and in the accompanying Exhibit 99.1 shall not be incorporated by reference into any registration statement or other document filed by the Company with the Securities and Exchange Commission, whether made before or after the date of this Current Report, regardless of any general incorporation language in such filing, except as shall be expressly set forth by specific reference to this

and in the accompanying Exhibit 99.1 shall not be incorporated by reference into any registration statement or other document filed by the Company with the Securities and Exchange Commission, whether made before or after the date of this Current Report, regardless of any general incorporation language in such filing, except as shall be expressly set forth by specific reference to this

and in the accompanying Exhibit 99.1 shall not be incorporated by reference into any registration statement or other document filed by the Company with the Securities and Exchange Commission, whether made before or after the date of this Current Report, regardless of any general incorporation language in such filing, except as shall be expressly set forth by specific reference to this