X0306 4 2021-12-10 0 0000883241 SYNOPSYS INC SNPS 0001249802 DE GEUS AART 690 EAST MIDDLEFIELD ROAD MOUNTAIN VIEW CA 94043 1 1 0 0 Chairman of the Board & Co-CEO Common Stock 2021-12-10 4 M 0 96277 60.37 A 177270 D Common Stock 2021-12-10 4 S 0 96277 359.5516 D 80993 D Common Stock 2021-12-13 4 M 0 64622 60.37 A 145615 D Common Stock 2021-12-13 4 S 0 64622 362.5472 D 80993 D Common Stock 2021-12-10 4 S 0 66059 358.5546 D 122226 I by Family Trust Common Stock 14500 I by Partnership Common Stock 186551 I by Separate Prop Tr Non-Qualified Stock Option (right to buy) 60.37 2021-12-10 4 M 0 96277 0.0 D 2017-03-15 2023-12-15 Common Stock 96277 64622 D Non-Qualified Stock Option (right to buy) 60.37 2021-12-13 4 M 0 64622 0.0 D 2017-03-15 2023-12-15 Common Stock 64622 0 D Represents a weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from $355.85 to $362.47. The Reporting Person has provided to the Issuer, and undertakes to provide to the staff of the Securities and Exchange Commission or any security holder of the Issuer, upon request, full information regarding the number of shares purchased at each separate price within the range. Represents a weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from $360.415 to $365.07. The Reporting Person has provided to the Issuer, and undertakes to provide to the staff of the Securities and Exchange Commission or any security holder of the Issuer, upon request, full information regarding the number of shares purchased at each separate price within the range. The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan. Represents a weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from $355.76 to $361.56. The Reporting Person has provided to the Issuer, and undertakes to provide to the staff of the Securities and Exchange Commission or any security holder of the Issuer, upon request, full information regarding the number of shares purchased at each separate price within the range. By: POA pursuant Christina Escalante-Dutra For: Aart de Geus 2021-12-14