SYNOPSYS INC — Director's Dealing 2010

Dec 14, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: SYNOPSYS INC (SNPS)
CIK: 0000883241
Period of Report: 2010-12-13

Reporting Person: CHIZEN BRUCE R (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-12-13	Common Stock	M	40000	$25.345	Acquired	75208	Direct
2010-12-13	Common Stock	S	40000	$26.7213	Disposed	35208	Direct
2010-12-13	Common Stock	M	20000	$25.345	Acquired	55208	Direct
2010-12-13	Common Stock	S	20000	$26.7213	Disposed	35208	Direct
2010-12-13	Common Stock	M	40000	$24.915	Acquired	75208	Direct
2010-12-13	Common Stock	S	40000	$26.7213	Disposed	35208	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-12-13	Non-Qualified Stock Option (right to buy)	$24.915	M	40000	Disposed	2012-06-04	Common Stock (40000)	Direct
2010-12-13	Non-Qualified Stock Option (right to buy)	$25.345	M	40000	Disposed	2011-04-23	Common Stock (40000)	Direct
2010-12-13	Non-Qualified Stock Option (right to buy)	$25.345	M	20000	Disposed	2011-04-23	Common Stock (20000)	Direct

Footnotes

F1: The average price of $26.721267 consists of 4626 at 26.74, 3588 at 26.75, 2800 at 26.76, 2394 at 26.77, 2300 at 26.78, 2900 at 26.79, 1392 at 26.80,2855 at 26.70, 2200 at 26.71, 22745 at 26.72, 11084 at 26.73, 1116 at 26.74,1,155 at 26.69, 38,845 at 26.70