SYNOPSYS INC — Director's Dealing 2010

Feb 19, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: SYNOPSYS INC (SNPS)
CIK: 0000883241
Period of Report: 2010-02-19

Reporting Person: DE GEUS AART (Director, Chairman of the Board & CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-02-19	Common Stock	M	300000	$19.75	Acquired	685112	Direct
2010-02-19	Common Stock	S	300000	$21.4724	Disposed	385112	Direct
2010-02-19	Common Stock	M	760000	$16.125	Acquired	1145112	Direct
2010-02-19	Common Stock	S	760000	$21.4728	Disposed	385112	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-02-19	Non-Qualified Stock Option (right to buy)	$16.125	M	760000	Disposed	2010-08-02	Common Stock (760000)	Direct
2010-02-19	Non-Qualified Stock Option (right to buy)	$19.75	M	300000	Disposed	2010-03-08	Common Stock (300000)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	22000	Indirect
Common Stock	275000	Indirect

Footnotes

F1: Reporting person disclaims beneficial ownership by spouse

F2: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan.