X0508 4 2023-08-28 0 0001304492 Anterix Inc. ATEX 0001182496 YAZDI MAHVASH 3 GARRET MOUNTAIN PLAZA SUITE 401 WOODLAND PARK NJ 07424 1 0 0 0 0 Common Stock 2023-08-28 4 A 0 5209 0.00 A 13638 D Common Stock 250 I By Yazdi Family Trust UA Oct 03, 1988 Common Stock 750 I By 401(k) The restricted stock vests in full on the earlier of (i) August 28, 2024 or (ii) immediately prior to commencement of the Issuer's next annual stockholder meeting; provided, however, that if the vesting would otherwise occur on a date that is closed for trading under the Issuer's Insider Trading Policy, the vesting shall be automatically deemed to occur on the next trading day on which the sale of shares of common stock by the Reporting Person in the open market would be permitted under the Issuer's Insider Trading Policy. Ms. Yazdi is a trustee of the Yazdi Family Trust UA Oct 03, 1998 and has voting and dispositive power with respect to these shares. Ms. Yazdi disclaims beneficial ownership except to the extent of her pecuniary interest therein. /s/ Gena Ashe, Attorney-in-Fact 2023-08-30