X0508 4 2025-12-11 0 0001601046 Keysight Technologies, Inc. KEYS 0001621346 Estrada Ingrid A 1400 FOUNTAINGROVE PARKWAY SANTA ROSA CA 95403 0 1 0 0 SVP 0 Common Stock 2025-12-11 4 F 0 218 201.40 D 109861.19 D The reporting person surrendered 218 shares to Keysight to satisfy the tax liability (based on the December 02, 2025 fair market value of Keysight stock) on restricted stock units that became retirement-treatment eligible in accordance with Rule 16b-3. Jeffrey K. Li, Attorney-in-fact for Ingrid Estrada 2025-12-15