X0508 4 2025-08-06 0001078271 EXTREME NETWORKS INC EXTR 0001179945 MEYERCORD EDWARD 2121 RDU CENTER DR. MORRISVILLE NC 27560 1 1 PRESIDENT AND CEO 1 Common Stock 2025-08-06 4 S 0 100000 20.0797 D 1441282 D Adoption date of referenced 10b5-1(c) plan is: 02-22-2024 The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $20.00 to $20.45 per share, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. /s/ Katayoun "Katy" Motiey, Power of Attorney for Ed Meyercord 2025-08-08