Board of Directors

Mr. Dunlevie has served as a director since our founding in March 1990. He has been a general partner of the venture capital firm Benchmark Capital since May 1995, and was a general partner of the venture capital firm Merrill, Pickard, Anderson & Eyre between 1989 and 2000. He holds a B.A. in History and English from Rice University and an M.B.A. from Stanford University. Mr. Dunlevie serves on the boards of various private companies.

Holdings: 9,946 shares     View Transactions
Date	Type	Shares Traded	Price Range
Oct 1, 2009	Acquisition (Non Open Market)	9,946	n/a
Oct 1, 2008	Acquisition (Non Open Market)	12,383	n/a
Nov 5, 2007	Option Execute	160,000	2.00 - 13.91
May 4, 2006	Disposition (Non Open Market)	30,000	36.32
May 3, 2006	Sell	16,000	35.65 - 35.84
Jan 25, 2006	Disposition (Non Open Market)	20,000	34.96
Jan 25, 2006	Sell	30,000	34.92
Jan 24, 2006	Sell	8,000	34.91

Mr. Bentley has served as a director since March 2005. He served as a managing director at SVB Alliant (formerly Alliant Partners), a mergers and acquisitions firm, since he co-founded the firm in 1990 until October 2005. Mr. Bentley holds a B.A. in Economics from Vanderbilt University and an M.S. in Management from the Massachusetts Institute of Technology. Mr. Bentley currently serves on the board of Nanometrics, Inc.

Chair of the Audit Committee

Holdings: 17,029 shares     View Transactions
Date	Type	Shares Traded	Price Range
Oct 1, 2009	Acquisition (Non Open Market)	9,946	n/a
Oct 1, 2008	Acquisition (Non Open Market)	12,383	n/a
Mar 16, 2006	Option Execute	7,083	12.11 - 14.00

Dr. Chou was appointed to the Board of Directors in March 2006. Dr. Chou served for 34 years at Intel Corporation, before retiring in 2005 as a senior vice president. He was co-general manager of the Technology and Manufacturing Group from 1998 to 2005. Dr. Chou holds a B.S., M.S. and E.E. in Electrical Engineering from Massachusetts Institute of Technology and received a Ph.D. in Electrical Engineering from Stanford University. Dr. Chou serves on the board of several non-profit institutions.

Chair of the Corporate Governance / Nominating Committee

Holdings: 9,946 shares     View Transactions
Date	Type	Shares Traded	Price Range
Oct 1, 2009	Acquisition (Non Open Market)	9,946	n/a
Oct 1, 2008	Acquisition (Non Open Market)	12,383	n/a
Mar 27, 2006	Statement of Ownership	0	n/a

Dr. Farmwald has served as a director since our founding in March 1990 and has served as senior technical advisor since October 2006. In addition, he served as vice president and chief scientist from March 1990 to November 1993. Dr. Farmwald founded Skymoon Ventures, a venture capital firm, in 2000. In addition, Dr. Farmwald has co-founded other semiconductor companies, including Matrix Semiconductor, Inc. in 1997. Dr. Farmwald holds a B.S. in Mathematics from Purdue University and a Ph.D. in Computer Science from Stanford University.

Holdings: 2,970,936 shares     View Transactions
Date	Type	Shares Traded	Price Range
Feb 27, 2004	Sell	100,000	32.34
Feb 26, 2004	Sell	100,000	32.73
Jan 26, 2004	Sell	30,000	32.50
Jan 21, 2004	Sell	120,000	33.13
Nov 10, 2003	Sell	40,000	25.21
Aug 29, 2003	Sell	81,840	16.70
Aug 5, 2003	Sell	26,430	17.91
Aug 1, 2003	Sell	44,400	18.02
Jul 31, 2003	Sell	16,830	18.05
May 16, 2003	Sell	200,000	15.16 - 15.63

Ms. Herscher has served as a director since July 2006. She currently holds the position of president and chief executive officer of firstRain, Inc., a custom-configured, on-demand intelligence services firm, which she joined in 2005. Ms. Herscher previously held the position of executive vice president and chief marketing officer at Cadence Design Systems from 2002 to 2003, and executive vice president and general manager, Design and Verification Business during the second half of 2003. From 1996 to 2002, Ms. Herscher was president and chief executive officer of Simplex Solutions, which was acquired by Cadence in 2002. Before Simplex, she was an executive at Synopsys for eight years and started her career as an R&D engineer with Texas Instruments. She holds a B.A. with honors in Mathematics from Cambridge University in England. Ms. Herscher serves on the boards of firstRain, JDS Uniphase, Inc. and several non-profit institutions.

Chair of the Compensation Committee

Holdings: 14,329 shares     View Transactions
Date	Type	Shares Traded	Price Range
Feb 2, 2010	Automatic Sell	8,000	22.68
Oct 1, 2009	Acquisition (Non Open Market)	9,946	n/a
Oct 1, 2008	Acquisition (Non Open Market)	12,383	n/a
Jul 12, 2006	Statement of Ownership	0	n/a

Dr. Horowitz has served as a director since our founding in March 1990 and has served as chief scientist since May 2005. Dr. Horowitz also served as a vice president from March 1990 to May 1994. Dr. Horowitz has taught at Stanford University since 1984 where he is currently a professor of Electrical Engineering and Computer Science. He holds B.S. and M.S. degrees in Electrical Engineering from the Massachusetts Institute of Technology and received his Ph.D. in Electrical Engineering from Stanford University.

Holdings: 1,939,391 shares     View Transactions
Date	Type	Shares Traded	Price Range
Aug 2, 2010	Automatic Sell	20,000	19.50
Jul 1, 2010	Automatic Sell	20,000	17.24
Jun 1, 2010	Automatic Sell	20,000	23.29
May 3, 2010	Automatic Sell	20,000	24.59
Apr 1, 2010	Automatic Sell	20,000	22.23
Mar 1, 2010	Automatic Sell	20,000	22.14
Feb 2, 2010	Disposition (Non Open Market)	467	22.78
Feb 1, 2010	Acquisition (Non Open Market)	3,500	n/a
Feb 1, 2010	Disposition (Non Open Market)	1,320	22.72
Feb 1, 2010	Automatic Sell	20,000	22.36
Jan 4, 2010	Automatic Sell	20,000	22.51 - 24.73
Dec 1, 2009	Automatic Sell	20,000	18.13
Nov 2, 2009	Automatic Sell	20,000	15.95
Oct 1, 2009	Automatic Sell	20,000	16.69 - 17.33
Sep 1, 2009	Automatic Sell	20,000	16.60 - 17.27
Aug 5, 2009	Automatic Sell	20,000	16.69
Feb 2, 2009	Disposition (Non Open Market)	1,291	8.55
Feb 2, 2009	Acquisition (Non Open Market)	4,256	n/a
Feb 2, 2009	Option Execute	3,000	n/a
Dec 11, 2008	Automatic Sell	20,000	13.54
Dec 10, 2008	Automatic Sell	20,000	13.41
Dec 9, 2008	Automatic Sell	20,000	13.00
Aug 5, 2008	Automatic Sell	20,000	15.08
Aug 4, 2008	Automatic Sell	20,000	15.43
Aug 1, 2008	Automatic Sell	20,000	15.98
May 5, 2008	Automatic Sell	24,899	23.32 - 23.64
May 5, 2008	Automatic Sell	35,101	23.14 - 23.31
Jul 1, 2005	Automatic Sell	23,692	13.39
Jun 1, 2005	Automatic Sell	23,692	15.41
May 2, 2005	Automatic Sell	23,692	14.23
Apr 1, 2005	Automatic Sell	23,692	15.01
Mar 1, 2005	Automatic Sell	23,692	17.38
Feb 1, 2005	Automatic Sell	23,692	17.99
Jan 3, 2005	Automatic Sell	23,692	23.09
Dec 1, 2004	Automatic Sell	23,692	23.52
Nov 22, 2004	Disposition (Non Open Market)	85,000	21.65
Nov 1, 2004	Sell	23,692	17.12
Oct 26, 2004	Sell	23,692	16.63
Sep 1, 2004	Automatic Sell	26,660	13.04
Aug 2, 2004	Automatic Sell	26,660	16.61
Jul 1, 2004	Automatic Sell	26,660	17.21
Jun 1, 2004	Automatic Sell	26,660	19.08
May 3, 2004	Automatic Sell	26,660	18.69
Apr 19, 2004	Disposition (Non Open Market)	40,000	24.82
Apr 1, 2004	Automatic Sell	26,660	28.54
Mar 1, 2004	Automatic Sell	26,660	32.01
Feb 2, 2004	Automatic Sell	26,660	30.39
Jan 2, 2004	Automatic Sell	26,660	30.90
Dec 22, 2003	Disposition (Non Open Market)	17,900	26.60
Dec 1, 2003	Automatic Sell	26,660	30.60

Mr. Hughes has served as our chief executive officer and president since January 2005 and as a director since June 2003. He served as a United States Army Officer from 1969 to 1972 before starting his private sector career at Intel Corporation. Mr. Hughes held a variety of positions within Intel Corporation from 1974 to 1997, including treasurer, vice president of Intel Capital, chief financial officer, and vice president of Planning and Logistics. Following his tenure at Intel, Mr. Hughes was the chairman and chief executive officer of Pandesic, LLC. He holds a B.A. from the University of Wisconsin and an M.B.A. from the University of Michigan. He also serves as a director of Berkeley Technology, Ltd. and a private company.

Holdings: 166,781 shares     View Transactions
Date	Type	Shares Traded	Price Range
May 3, 2010	Acquisition (Non Open Market)	1,568	13.56
Feb 2, 2010	Disposition (Non Open Market)	3,118	22.78
Feb 1, 2010	Acquisition (Non Open Market)	28,000	n/a
Feb 1, 2010	Disposition (Non Open Market)	2,409	22.72
Nov 2, 2009	Acquisition (Non Open Market)	1,886	10.34
May 1, 2009	Acquisition (Non Open Market)	2,854	8.06
Feb 2, 2009	Acquisition (Non Open Market)	34,000	n/a
Feb 2, 2009	Option Execute	6,000	n/a
Feb 3, 2006	Option Execute	5,457	16.07
Jul 19, 2005	Acquisition (Non Open Market)	50,457	13.29
Jan 10, 2005	Acquisition (Non Open Market)	125,000	n/a

Mr. Shrigley has served as a director since October 2006. Until the end of 2008, Mr. Shrigley was a member of the board of Wolfson Microelectronics plc, a supplier of mixed-signal chips for the digital market from November 2006, and was its chief executive officer from March 2007. He served as a general partner at Sevin Rosen Funds, a venture capital firm, from 1999 to 2005. Prior to that, Mr. Shrigley held the position of executive vice president, Marketing, Sales and Service at Bay Networks. Mr. Shrigley served in various executive positions at Intel, including vice president and general manager of Asia Pacific sales and marketing operations based in Hong Kong, and vice president and general manager, corporate marketing. Mr. Shrigley holds a B.S. from Franklin University. Mr. Shrigley serves on the board of SPI Lasers plc.

Member of the Compensation Committee

Member of the Corporate Governance / Nominating Committee

Holdings: 22,329 shares     View Transactions
Date	Type	Shares Traded	Price Range
Oct 1, 2009	Acquisition (Non Open Market)	9,946	n/a
Oct 1, 2008	Acquisition (Non Open Market)	12,383	n/a

Mr. Sofaer has served as a director since May 2005. He has been the George P. Shultz Distinguished Scholar and Senior Fellow at the Hoover Institution at Stanford University since 1994. Mr. Sofaer has a long and distinguished career in the legal profession. Prior to assuming his current roles, he served in private practice as a partner at Hughes, Hubbard & Reed in Washington, DC and as the chief legal adviser to the U.S. Department of State. From 1979 to 1985, Mr. Sofaer served as a U.S. District Judge for the Southern District of New York. He was a professor at the Columbia University School of Law from 1969 to 1979, and from 1967 to 1969 was an Assistant U.S. Attorney in the Southern District of New York. Mr. Sofaer graduated magna cum laude with a B.A. in History from Yeshiva College and received his law degree from the New York University School of Law where he was editor-in-chief of the NYU Law Review. He clerked for Hon. J. Skelly Wright on the U.S. Court of Appeals for the District of Columbia Circuit, and for Justice William J. Brennan, Jr. on the U.S. Supreme Court. Mr. Sofaer currently serves as a director of NTI, Inc. and Gen-Probe, Inc., several private companies and non-profit institutions.

Member of the Audit Committee

Member of the Corporate Governance / Nominating Committee

Holdings: 31,896 shares     View Transactions
Date	Type	Shares Traded	Price Range
Jun 30, 2010	Acquisition (Non Open Market)	571	n/a
Mar 31, 2010	Acquisition (Non Open Market)	458	n/a
Dec 31, 2009	Acquisition (Non Open Market)	512	n/a
Oct 1, 2009	Acquisition (Non Open Market)	9,946	n/a
Sep 30, 2009	Acquisition (Non Open Market)	718	n/a
Jun 30, 2009	Acquisition (Non Open Market)	808	n/a
Mar 31, 2009	Acquisition (Non Open Market)	1,323	n/a
Dec 31, 2008	Acquisition (Non Open Market)	785	n/a
Oct 1, 2008	Acquisition (Non Open Market)	12,383	n/a
Sep 30, 2008	Acquisition (Non Open Market)	973	n/a
Jun 30, 2008	Acquisition (Non Open Market)	655	n/a
Mar 31, 2008	Acquisition (Non Open Market)	537	n/a
Dec 31, 2007	Acquisition (Non Open Market)	596	n/a
Mar 31, 2006	Acquisition (Non Open Market)	190	n/a
Dec 31, 2005	Acquisition (Non Open Market)	463	n/a
Sep 30, 2005	Acquisition (Non Open Market)	620	n/a
Jun 30, 2005	Acquisition (Non Open Market)	358	n/a

Mr. Stang has served as a director since July 2008. Mr. Stang currently serves as a director and president and chief executive officer of ooma, Inc., a provider of broadband telephony products, a position he has held since January 2009. Prior to joining ooma, Mr. Stang served as chief executive officer and president of Reliant Technologies, Inc., a developer of medical technology solutions for aesthetic applications, from 2006 to 2008. Mr. Stang previously served as CEO and President of Lexar Media, Inc., a provider of solid state memory products from 2001 to 2006 and Chairman from 2004 to 2006. Mr. Stang received his A.B. from Stanford University and MBA from the Harvard Business School. Mr. Stang also serves on the boards of Solta Medical and several private companies.

Member of the Compensation Committee

Member of the Audit Committee

Holdings: 9,946 shares     View Transactions
Date	Type	Shares Traded	Price Range
Oct 1, 2009	Acquisition (Non Open Market)	9,946	n/a
Oct 1, 2008	Acquisition (Non Open Market)	12,383	n/a
Jul 22, 2008	Statement of Ownership	0	n/a