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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
701811	Mentor Graphics Corp	MENT	Services-Computer Integrated Systems Design (7373)	930786033

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1239184	Don L Maulsby	C/O Mentor Graphics Corporation 8005 Sw Boeckman Road Wilsonville OR 97070-7777	Senior Vice President	No	Yes	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership
Common Stock	Disposition	2012-11-30	1,725	$0.00	25,336	No	4	G	Direct
Common Stock	Disposition	2012-12-07	2,000	$0.00	23,336	No	4	G	Direct
Common Stock	Acquisiton	2012-12-10	11,891	$8.41	35,227	No	4	M	Direct
Common Stock	Disposition	2012-12-10	11,891	$16.00	23,336	No	4	S	Direct
Common Stock	Acquisiton	2012-12-10	7,943	$5.17	31,279	No	4	M	Direct
Common Stock	Disposition	2012-12-10	7,943	$16.00	23,336	No	4	S	Direct
Common Stock	Acquisiton	2012-12-10	3,550	$8.91	26,886	No	4	M	Direct
Common Stock	Disposition	2012-12-10	3,550	$16.01	23,336	No	4	S	Direct
Common Stock	Acquisiton	2012-12-10	2,890	$10.35	26,226	No	4	M	Direct
Common Stock	Disposition	2012-12-10	2,890	$16.03	23,336	No	4	S	Direct
Common Stock	Acquisiton	2012-12-10	13,507	$10.63	36,843	No	4	M	Direct
Common Stock	Disposition	2012-12-10	13,507	$16.00	23,336	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership
No	4	G	Direct
No	4	G	Direct
No	4	M	Direct
No	4	S	Direct
No	4	M	Direct
No	4	S	Direct
No	4	M	Direct
No	4	S	Direct
No	4	M	Direct
No	4	S	Direct
No	4	M	Direct
No	4	S	Direct

Reported Derivative Transactions

Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Stock Options	Disposition	2012-12-10	2,890	$10.35	2,890	$10.35
Common Stock	Stock Options	Disposition	2012-12-10	13,507	$10.63	13,507	$10.63
Common Stock	Stock Options	Disposition	2012-12-10	11,891	$8.41	11,891	$8.41
Common Stock	Stock Options	Disposition	2012-12-10	7,943	$5.17	7,943	$5.17
Common Stock	Stock Options	Disposition	2012-12-10	3,550	$8.91	3,550	$8.91

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
21,196		2020-09-15	No	4	M	Direct
32,806		2021-09-14	No	4	M	Direct
0	2009-09-26	2015-09-26	No	4	M	Direct
1,589		2018-12-11	No	4	M	Direct
15,709		2019-12-22	No	4	M	Direct

Footnotes

Options becomes exercisable over a four year period where on 9/15/2011, 25% of the total shares granted vest and an additional 1/48th vest each month thereafter.
Options becomes exercisable over a four year period where on 9/14/2012, 25% of the total shares granted vest and an additional 1/48th vest each month thereafter.
Options becomes exercisable over a four year period where on 12/11/2009, 25% of the total shares granted vest and an additional 1/48th vest each month thereafter.
Options becomes exercisable over a four year period where on 12/22/2010, 25% of the total shares granted vest and an additional 1/48th vest each month thereafter.