X0508 4 2025-12-16 0 0000883241 SYNOPSYS INC SNPS 0001615442 Ellow Michael 675 ALMANOR AVENUE SUNNYVALE CA 94085 0 1 0 0 Chief Revenue Officer 0 Common Stock 16 I by Family Trust Restricted Stock Units 0.0 2025-12-16 4 A 0 6475 0.0 A 2026-06-15 2028-12-15 Common Stock 6475 30761 D The Compensation Committee of the Board of Directors approved a restricted stock unit grant under the Synopsys, Inc. 2006 Employee Equity Incentive Plan. One-sixth (1/6) of the units vest on the date shown followed by five equal semi-annual installments, subject to continued service through each vesting date. The Reporting Person previously filed a Form 3 which did not include 16 shares that were acquired prior to becoming a Reporting Person of the Issuer by a Family Trust. By: POA pursuant Mary Lai For: Michael Ellow 2025-12-18