Jon D. Tompkins (Chairman) retired as Chief Executive Officer of KLA-Tencor Corporation, a manufacturer of semiconductor equipment, in 1998 and retired as Chairman of the Board of Directors of KLA-Tencor in 1999. Mr. Tompkins is a member of the Board of Directors of Cymer, Inc. He has been a director since 1998 and Chairman of the Board since 2003.

Nick Konidaris has served as president and chief executive officer of Electro Scientific Industries, Inc. (Nasdaq: ESIO), a leading provider of world class photonic and laser based systems for micro-engineering applications, since January of 2004. Prior to ESI he was president and chief executive officer of Advantest America, Inc. During his tenure, he established Advantest America, Inc. as the dominant supplier to the U.S. automatic test equipment market. Prior to Advantest America, Inc. he held senior marketing management positions at Teradyne. Currently, Mr. Konidaris serves on the board of directors for Ultratech, Inc., (Nasdaq: UTEK), a semiconductor capital equipment company. He served as chair of the Engineering Technology Industry Council (ETIC), a partnership between Oregon's public universities and high-tech industry to create world-class engineering and computer science programs in the state, from fall 2005 to summer 2007. Mr. Konidaris attended the National Technical University of Athens in Athens, Greece, where he earned a Diploma degree in electrical and mechanical engineering. In addition, he attended the Massachusetts Institute of Technology in Cambridge, Massachusetts, where he obtained his master of science in Management.

Holdings: 472,640 shares     View Transactions
Date	Type	Shares Traded	Price Range
May 13, 2013	Disposition (Non Open Market)	6,622	11.01
May 9, 2013	Acquisition (Non Open Market)	63,000	n/a
Mar 14, 2013	Acquisition (Non Open Market)	1,732	n/a
Dec 27, 2012	Acquisition (Non Open Market)	40,175	n/a
Dec 5, 2012	Acquisition (Non Open Market)	1,385	n/a
Sep 10, 2012	Acquisition (Non Open Market)	1,196	n/a
Jul 26, 2012	Disposition (Non Open Market)	12,425	12.93
Jul 24, 2012	Disposition (Non Open Market)	11,504	10.50
Jun 18, 2012	Acquisition (Non Open Market)	1,734	n/a
May 29, 2012	Acquisition (Non Open Market)	4,925	n/a
May 29, 2012	Disposition (Non Open Market)	12,382	11.70
May 14, 2012	Disposition (Non Open Market)	6,416	13.14
May 10, 2012	Acquisition (Non Open Market)	58,000	n/a
Feb 17, 2012	Acquisition (Non Open Market)	1,084	n/a
Oct 4, 2011	Disposition (Non Open Market)	1,568	12.62
Jul 19, 2011	Disposition (Non Open Market)	4,545	19.51
May 15, 2011	Disposition (Non Open Market)	3,191	18.20
May 12, 2011	Disposition (Non Open Market)	10,783	0.00 - 18.82
May 12, 2011	Acquisition (Non Open Market)	64,000	n/a
Jul 26, 2010	Disposition (Non Open Market)	3,014	13.23
Jun 1, 2010	Acquisition (Non Open Market)	896	n/a
Jun 1, 2010	Disposition (Non Open Market)	5,990	12.48
May 13, 2010	Acquisition (Non Open Market)	45,000	n/a
Sep 11, 2009	Acquisition (Non Open Market)	860	n/a
Sep 11, 2009	Disposition (Non Open Market)	305	12.75
Sep 11, 2009	Sell	4	12.87
Aug 12, 2009	Acquisition (Non Open Market)	5,840	n/a
Aug 12, 2009	Disposition (Non Open Market)	2,071	12.08
Jul 22, 2009	Disposition (Non Open Market)	14,180	11.84
Jul 22, 2009	Option Execute	40,000	11.84
May 14, 2009	Acquisition (Non Open Market)	73,000	n/a

Barry L. Harmon serves as the Chief Financial Officer of glassybaby LLC, a privately held business based in Seattle, Washington. From April 2003 until January 2004 he was President and Chief Executive Officer of ESI. From July 2000 until September 2001, Mr. Harmon served as Senior Vice President – West Coast Operations for Avocent Corporation, a provider of KVM switching and solutions. Avocent is the company resulting from the merger of Apex, Inc. with Cybex Computer Products in 2000. Mr. Harmon served as Chief Financial Officer of Apex, Inc., also a provider of KVM switching and solutions, from 1999 until its merger with Cybex. From 1992 to 1999, he was Senior Vice President and Chief Financial Officer of ESI.

Holdings: 47,075 shares     View Transactions
Date	Type	Shares Traded	Price Range
May 9, 2013	Acquisition (Non Open Market)	7,500	n/a
May 10, 2012	Acquisition (Non Open Market)	5,500	n/a
May 12, 2011	Acquisition (Non Open Market)	4,900	n/a
May 13, 2010	Acquisition (Non Open Market)	5,500	n/a
May 14, 2009	Acquisition (Non Open Market)	10,000	n/a

Richard J. Faubert retired as President, Chief Executive Officer and Chairman of AmberWave Systems Corporation, a semiconductor technology company, in December 2010, where he had served from September 2003. He served as President, Chief Executive Officer and director of SpeedFam-IPEC, Inc., a manufacturer of semiconductor equipment, from 1998 through 2002. Upon the sale of SpeedFam-IPEC to Novellus Systems, Inc., a capital equipment manufacturer, he served as Executive Vice President of Novellus until April 2003. Prior to his employment with SpeedFam-IPEC, Inc., he held executive and management positions at Tektronix, Inc., a test, measurement, and monitoring company, and GenRad, Inc., an electronics testing and manufacturing company. Mr. Faubert is on the North American Advisory Board of Semiconductor Equipment and Materials, Inc.

Holdings: 53,372 shares     View Transactions
Date	Type	Shares Traded	Price Range
May 9, 2013	Acquisition (Non Open Market)	7,500	n/a
Mar 14, 2013	Acquisition (Non Open Market)	234	n/a
Dec 27, 2012	Acquisition (Non Open Market)	5,422	n/a
Dec 5, 2012	Acquisition (Non Open Market)	187	n/a
Sep 10, 2012	Acquisition (Non Open Market)	161	n/a
Jun 18, 2012	Acquisition (Non Open Market)	184	n/a
May 10, 2012	Acquisition (Non Open Market)	5,500	n/a
Feb 17, 2012	Acquisition (Non Open Market)	108	n/a
May 12, 2011	Acquisition (Non Open Market)	4,900	n/a
May 13, 2010	Acquisition (Non Open Market)	5,500	n/a
May 14, 2009	Acquisition (Non Open Market)	10,000	n/a

Frederick A. Ball was appointed Senior Vice President and Chief Financial Officer of Marketo, a leading revenue performance management company, in May 2011. Prior to joining Marketo, Mr. Ball had been the Chief Financial Officer for a number of private and public technology companies including Webroot Software, Inc., a leading provider of software security solutions for consumers, enterprises and small and medium businesses worldwide, from June 2008 to April 2011, BigBand Networks, Inc. (BBND), a digital video networking company, from August 2004 to November 2007, CallTrex Corporation, a provider of customer service solutions, from November 2003 to May 2004, and Borland Software Corporation (BORL), a provider of enterprise software development solutions, from September 1999 until July 2003. Mr. Ball also served as Vice President, Mergers and Acquisitions for KLA-Tencor Corporation (KLAC), a manufacturer of semiconductor equipment, and prior to that as its Vice President of Finance. Mr. Ball was with PricewaterhouseCoopers LLC for over 10 years. Mr. Ball is a director at Advanced Energy Industries, Inc. (AEIS), a provider of power and control technologies, and is chair of its audit committee.

Mr. Ball brings to the Board important financial management experience and financial expertise, having served as Chief Financial Officer of several high-technology companies. He also brings significant experience with mergers and acquisitions within the semiconductor equipment industry as well as experience as a result of serving on the board of directors of another public company.

Holdings: 52,332 shares     View Transactions
Date	Type	Shares Traded	Price Range
May 9, 2013	Acquisition (Non Open Market)	7,500	n/a
Mar 14, 2013	Acquisition (Non Open Market)	194	n/a
Dec 27, 2012	Acquisition (Non Open Market)	4,506	n/a
Dec 5, 2012	Acquisition (Non Open Market)	155	n/a
Sep 10, 2012	Acquisition (Non Open Market)	134	n/a
Jun 18, 2012	Acquisition (Non Open Market)	153	n/a
May 10, 2012	Acquisition (Non Open Market)	5,500	n/a
Feb 17, 2012	Acquisition (Non Open Market)	114	n/a
May 12, 2011	Acquisition (Non Open Market)	4,900	n/a
May 13, 2010	Acquisition (Non Open Market)	5,500	n/a
May 14, 2009	Acquisition (Non Open Market)	10,000	n/a

Robert R. Walker is retired from Agilent Technologies, Inc., an electronic instrument company, where he served as Executive Vice President and Chief Financial Officer from May 2000 until December 2001. From May 1999 until May 2000, he was Senior Vice President and Chief Financial Officer. During 1997 and 1998, Mr. Walker served as Vice President and General Manager of Hewlett-Packard's Professional Services Business Unit. From 1993 to 1997, he led Hewlett-Packard's information systems function, serving as Vice President and Chief Information Officer from 1995 to 1997.

Holdings: 56,839 shares     View Transactions
Date	Type	Shares Traded	Price Range
May 9, 2013	Acquisition (Non Open Market)	7,500	n/a
Mar 14, 2013	Acquisition (Non Open Market)	288	n/a
Dec 27, 2012	Acquisition (Non Open Market)	6,680	n/a
Dec 5, 2012	Acquisition (Non Open Market)	230	n/a
Sep 10, 2012	Acquisition (Non Open Market)	199	n/a
Jun 18, 2012	Acquisition (Non Open Market)	227	n/a
May 10, 2012	Acquisition (Non Open Market)	5,500	n/a
Feb 17, 2012	Acquisition (Non Open Market)	140	n/a
May 12, 2011	Acquisition (Non Open Market)	4,900	n/a
May 13, 2010	Acquisition (Non Open Market)	5,500	n/a
May 14, 2009	Acquisition (Non Open Market)	10,000	n/a

Edward C. Grady is currently Executive Chairman and Chief Executive Officer of REEL Solar, a private company developing a unique process for the manufacture of high efficiency low cost CdTe solar panels. He retired in 2007 as President and Chief Executive Officer of Brooks Automation, which offers hardware products, services and tightly integrated solutions that optimize manufacturing equipment, factory operations and productivity for the semiconductor and other complex manufacturing industries including clean tech and data storage. Prior to joining Brooks in 2003, he ran the wafer inspection group and the metrology groups each with multiple divisions at KLA-Tencor. Prior to KLA-Tencor he was Chief Executive Officer of Micromask, a supplier of photo masks and services to the semiconductor industry. He started his career as an engineer for Monsanto / MEMC and eventually rose to the position of vice president of worldwide sales. Mr. Grady is also a director at Advanced Energy Industries, Inc. and Cimetrix, Inc. He also guest lectures at Boston College Carroll School in management, business development and leadership.

Holdings: 56,964 shares     View Transactions
Date	Type	Shares Traded	Price Range
May 9, 2013	Acquisition (Non Open Market)	7,500	n/a
Mar 14, 2013	Acquisition (Non Open Market)	288	n/a
Dec 27, 2012	Acquisition (Non Open Market)	6,680	n/a
Dec 5, 2012	Acquisition (Non Open Market)	230	n/a
Sep 10, 2012	Acquisition (Non Open Market)	199	n/a
Jun 18, 2012	Acquisition (Non Open Market)	227	n/a
May 10, 2012	Acquisition (Non Open Market)	5,500	n/a
Feb 17, 2012	Acquisition (Non Open Market)	140	n/a
May 12, 2011	Acquisition (Non Open Market)	4,900	n/a
May 13, 2010	Acquisition (Non Open Market)	5,500	n/a
May 14, 2009	Acquisition (Non Open Market)	10,000	n/a

David Nierenberg is the Founder and President of Nierenberg Investment Management Company in Camas, Washington, which manages The D3 Family Funds. Prior to founding Nierenberg Investment Management in 1996, Mr. Nierenberg was General Partner at Trinity Ventures and invested in turnarounds, financial services, and healthcare. Prior to 1985, he was a Partner with Bain & Company, in San Francisco, Boston and London. Mr. Nierenberg received his B.A. with Distinction in History, summa cum laude and Phi Beta Kappa, from Yale College in 1975, and his J.D. from Yale Law School in 1978. He is a Member of the Yale University Development Board, Chairman of the Advisory Board of the Millstein Center for Corporate Governance and Performance at the Yale School of Management, and a member of the Advisory Board of the Yale School of Management. Mr. Nierenberg is a director emeritus of Southwest Washington Medical Center, serves as a Chairman of PSA Healthcare, and is a director of Kuni Automotive, Inc., and Whitman College. He also serves on the Washington State Investment Board.

Holdings: 2,042,881 shares     View Transactions
Date	Type	Shares Traded	Price Range
May 9, 2013	Acquisition (Non Open Market)	7,500	n/a
Mar 14, 2013	Acquisition (Non Open Market)	28	n/a
Dec 27, 2012	Acquisition (Non Open Market)	1,303	n/a
Dec 5, 2012	Acquisition (Non Open Market)	45	n/a
Sep 10, 2012	Acquisition (Non Open Market)	39	n/a
Aug 8, 2012	Sell	50,000	12.00
Aug 7, 2012	Sell	55,000	12.20
Jul 31, 2012	Sell	19,252	12.53
Jul 30, 2012	Sell	2,288	12.65
Jul 27, 2012	Sell	27,225	12.75
Jun 18, 2012	Acquisition (Non Open Market)	44	n/a
May 29, 2012	Sell	111,254	11.87
May 25, 2012	Sell	6,569	11.91
May 10, 2012	Acquisition (Non Open Market)	5,500	n/a
Feb 24, 2012	Sell	4,133	15.00
Feb 23, 2012	Sell	10,891	15.00
Feb 22, 2012	Sell	33,106	15.00
Feb 21, 2012	Sell	9,847	15.10
Feb 17, 2012	Acquisition (Non Open Market)	18,612	15.20
Feb 16, 2012	Acquisition (Non Open Market)	55,376	15.20
Feb 15, 2012	Acquisition (Non Open Market)	868	15.20
Feb 13, 2012	Acquisition (Non Open Market)	4,176	15.20
Feb 9, 2012	Acquisition (Non Open Market)	1,679	15.50
Feb 6, 2012	Acquisition (Non Open Market)	1,200	15.90
Feb 3, 2012	Acquisition (Non Open Market)	52,535	16.10
Feb 2, 2012	Acquisition (Non Open Market)	47,625	15.50
Feb 1, 2012	Acquisition (Non Open Market)	86,078	15.30
Jan 31, 2012	Acquisition (Non Open Market)	36,000	15.20
Jan 30, 2012	Acquisition (Non Open Market)	25,000	15.20
May 12, 2011	Acquisition (Non Open Market)	4,900	n/a
Nov 5, 2010	Acquisition (Non Open Market)	160,000	13.02
Nov 5, 2010	Disposition (Non Open Market)	160,000	13.02
May 13, 2010	Acquisition (Non Open Market)	5,500	n/a
Feb 24, 2010	Acquisition (Non Open Market)	12,500	n/a
Mar 20, 2009	Sell	5,200	6.01
Mar 19, 2009	Sell	25,323	6.14
Mar 18, 2009	Sell	55,000	6.06
Feb 10, 2009	Sell	1,098	6.31
Feb 9, 2009	Sell	15,149	6.31
Feb 6, 2009	Sell	49,920	6.47
Feb 5, 2009	Sell	41,953	6.39
Feb 4, 2009	Sell	60,000	6.41