SYNOPSYS INC — Director's Dealing 2010

Mar 3, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: SYNOPSYS INC (SNPS)
CIK: 0000883241
Period of Report: 2010-03-03

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-03-03	Common Stock	M	20490	$21.3438	Acquired	406093	Direct
2010-03-03	Common Stock	S	20490	$22.25	Disposed	385603	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-03-03	Non-Qualified Stock Option (right to buy)	$21.3438	M	20490	Disposed	2010-05-23	Common Stock (20490)	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.