SYNOPSYS INC - Director's Dealing 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: SYNOPSYS INC (SNPS)
CIK: 0000883241
Period of Report: 2010-09-20

Reporting Person: BEATTIE BRIAN M (CFO)

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-09-20	Common Stock	M	4200	$17.64	Acquired	15984	Direct
2010-09-20	Common Stock	S	4200	$24.5042	Disposed	11784	Direct
2010-09-20	Common Stock	M	1481	$17.64	Acquired	13265	Direct
2010-09-20	Common Stock	S	1481	$24.5	Disposed	11784	Direct
2010-09-20	Common Stock	M	2700	$17.64	Acquired	14484	Direct
2010-09-20	Common Stock	S	2700	$24.5061	Disposed	11784	Direct
2010-09-20	Common Stock	M	3700	$17.64	Acquired	15484	Direct
2010-09-20	Common Stock	S	3700	$24.5032	Disposed	11784	Direct
2010-09-20	Common Stock	M	3300	$21.15	Acquired	15084	Direct
2010-09-20	Common Stock	S	3300	$24.5039	Disposed	11784	Direct
2010-09-20	Common Stock	M	4200	$21.15	Acquired	15984	Direct
2010-09-20	Common Stock	S	4200	$24.5048	Disposed	11784	Direct
2010-09-20	Common Stock	M	4300	$21.15	Acquired	16084	Direct
2010-09-20	Common Stock	S	4300	$24.5077	Disposed	11784	Direct
2010-09-20	Common Stock	M	3100	$21.15	Acquired	14884	Direct
2010-09-20	Common Stock	S	3100	$24.5052	Disposed	11784	Direct

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-09-20	Non-Qualified Stock Option (right to buy)	$17.64	M	4200	Disposed	2015-12-10	Common Stock (4200)	Direct
2010-09-20	Non-Qualified Stock Option (right to buy)	$17.64	M	1481	Disposed	2015-12-10	Common Stock (1481)	Direct
2010-09-20	Non-Qualified Stock Option (right to buy)	$17.64	M	2700	Disposed	2015-12-10	Common Stock (2700)	Direct
2010-09-20	Non-Qualified Stock Option (right to buy)	$17.64	M	3700	Disposed	2015-12-10	Common Stock (3700)	Direct
2010-09-20	Non-Qualified Stock Option (right to buy)	$21.15	M	3300	Disposed	2013-01-17	Common Stock (3300)	Direct
2010-09-20	Non-Qualified Stock Option (right to buy)	$21.15	M	4200	Disposed	2013-01-17	Common Stock (4200)	Direct
2010-09-20	Non-Qualified Stock Option (right to buy)	$21.15	M	4300	Disposed	2013-01-17	Common Stock (4300)	Direct
2010-09-20	Non-Qualified Stock Option (right to buy)	$21.15	M	3100	Disposed	2013-01-17	Common Stock (3100)	Direct

F1: The average price of $24.5042 consists of 2,600 at 24.50, 100 at 24.505, 1,300 at 24.51, 200 at 24.52

F2: The average price of $24.5061 consists of 1,500 at 24.50, 100 at 24.505, 600 at 24.51, 500 at 24.52

F3: he average price of $24.5032 consists of 2,700 at 24.50, 200 at 24.505, 500 at 24.51, 300 at 24.52

F4: The average price of $24.5039 consists of 2,400 at 24.50, 500 at 24.51, 400 at 24.52,

F5: The average price of $24.5048 consists of 2,900 at 24.50, 200 at 24.505, 300 at 24.51, 800 at 24.52

F6: The average price of $24.5077 consists of 2,225 at 24.50, 300 at 24.505, 400 at 24.51, 1,375 at 24.52

F7: The average price of $24.5052 consists of 1,975 at 24.50, 625 at 24.51, 500 at 24.52,

F8: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan.

F9: 3/48ths of the option becomes exercisable on the date shown followed by 45 equal monthly installments