Anterix Inc.

Amendment No. 2 to the Anterix Inc. 2023 Stock Plan

This Amendment No. 2 (the “Amendment”) to the Anterix Inc. 2023 Stock Plan (the “Plan”) was adopted by the Board of Directors (“Board”) of Anterix Inc., a Delaware corporation (the “Company”), on June 22, 2026. This Amendment will become effective upon approval by the Company’s stockholders at the Company’s 2026 Annual Meeting of Stockholders.

WHEREAS, the Plan was adopted upon receipt of approval by the Company’s stockholders, effective as of August 8, 2023;

WHEREAS, the Plan was amended by Amendment No. 1, adopted by the Board on June 21, 2024, and approved by the Company’s stockholders at the 2024 Annual Meeting of Stockholders;

WHEREAS, the Board desires to amend the Plan, subject to approval of the Company’s stockholders, to increase the number of shares of Company common stock available for issuance thereunder; and

WHEREAS, if the Company’s stockholders fail to approve this Amendment, the existing Plan shall continue in full force and effect.

NOW, THEREFORE, the Plan is hereby amended as follows:

(1)Section 4.1 of the Plan is hereby deleted and replaced in its entirety with the following:

4.1 Maximum Number of Shares Issuable. Subject to adjustment as provided in Sections 4.2 and 4.3, the maximum aggregate number of shares of Stock that may be issued under the Plan pursuant to Awards shall be equal to 2,350,000 plus Awards remaining for grant under the Prior Plan pursuant to Section 1.1(b)(iii) and shall consist of authorized but unissued, or reacquired shares of Stock or any combination thereof.

(2)Except as expressly set forth in this Amendment, all other terms and conditions of the Plan shall remain in full force and effect.