X0508 4 2025-06-23 0001078271 EXTREME NETWORKS INC EXTR 0001628567 Khanna Raj 2121 RDU CENTER DR. MORRISVILLE NC 27560 1 1 Common Stock 2025-06-23 4 S 0 7973 17.20350 D 233735 I By Trust Common Stock 2025-06-24 4 S 0 2027 17.4346 D 231708 I By Trust Transaction pursuant to the Reporting Person's 10b5-1 Plan dated 03/03/2025. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $17.20 to $17.2050 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. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $17.3950 to $17.450 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. Shares are held in The Khanna 2002 Revocable Trust. Raj Khanna and Madhu Khanna, Trustees. /s/ Katayoun ("Katy") Motiey, Power of Attorney for Raj Khanna 2025-06-24