Management

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Nav Sooch

Chairman

Navdeep S. Sooch co-founded Silicon Laboratories in August 1996 and served as Chief Executive Officer until 2003 and Chairman of the Board since our inception. From March 1985 until founding Silicon Laboratories, Mr. Sooch held various positions at Crystal Semiconductor/Cirrus Logic, a designer and manufacturer of integrated circuits, including Vice President of Engineering, Product Planning Manager of Strategic Marketing and Design Engineer. From May 1982 to March 1985, Mr. Sooch was a Design Engineer with AT&T Bell Labs. Mr. Sooch holds a B.S. in electrical engineering from the University of Michigan, Dearbonr and an M.S. in electrical engineering from Stanford University.

Holdings: 659,771 shares     View Transactions

Date	Type	Shares Traded	Price Range
08/28/09	Automatic Sell	100,000	44.57 - 44.80
08/28/09	Option Execute	50,000	15.10
06/26/09	Automatic Sell	2,800	39.08
06/10/09	Automatic Sell	2,200	39.05
06/01/09	Automatic Sell	5,000	34.48
04/23/09	Acquisition (Non Open Market)	8,082	0.00
02/09/09	Disposition (Non Open Market)	4,571	n/a
11/03/08	Disposition (Non Open Market)	19,250	n/a
10/25/07	Automatic Sell	36,035	45.06
09/14/07	Automatic Sell	50,000	40.09 - 40.10

Necip Sayiner

President and Chief Executive Officer

Dr. Sayiner joined Silicon Laboratories as President and CEO in September 2005. Prior to joining Silicon Laboratories, Dr. Sayiner was vice president and general manager of the enterprise and networking division at Agere Systems. He also served as the vice president and general manager of the networking IC division and held several senior design management roles in the storage division. Dr. Sayiner holds a bachelor's degree in electrical engineering and physics from Bosphorus University in Turkey. He holds a master's degree in electrical engineering from Southern Illinois University and a doctorate in electrical engineering from the University of Pennsylvania. He has received multiple patents related to data detection schemes.

Holdings: 332,109 shares     View Transactions

Date	Type	Shares Traded	Price Range
02/17/10	Automatic Sell	2,250	45.75
02/15/10	Disposition (Non Open Market)	7,528	45.24
02/15/10	Acquisition (Non Open Market)	99,050	0.00
01/20/10	Automatic Sell	2,250	44.76
01/04/10	Automatic Sell	97,000	48.05
01/04/10	Option Execute	85,000	32.27
12/15/09	Automatic Sell	2,250	45.27
12/08/09	Disposition (Non Open Market)	3,063	44.75
12/07/09	Disposition (Non Open Market)	3,644	44.63
11/17/09	Automatic Sell	2,250	43.91
10/20/09	Automatic Sell	2,250	44.78
09/15/09	Automatic Sell	2,250	48.13
09/14/09	Disposition (Non Open Market)	10,934	48.01
09/08/09	Automatic Sell	30,000	47.54
09/08/09	Option Execute	30,000	32.27
08/28/09	Automatic Sell	30,500	44.74
08/28/09	Option Execute	25,000	32.27
08/18/09	Automatic Sell	2,250	41.33
07/21/09	Automatic Sell	2,250	38.63
07/01/09	Automatic Sell	3,500	39.15
06/09/09	Automatic Sell	2,250	37.80
05/26/09	Automatic Sell	2,250	32.85
04/29/09	Automatic Sell	15,750	32.85
02/15/09	Acquisition (Non Open Market)	123,934	0.00
12/08/08	Disposition (Non Open Market)	3,063	17.70
12/07/08	Disposition (Non Open Market)	3,644	17.76
09/19/08	Automatic Sell	2,250	32.85
09/14/08	Disposition (Non Open Market)	9,369	31.20
08/12/08	Automatic Sell	2,250	34.53
07/08/08	Automatic Sell	2,250	34.22
06/10/08	Automatic Sell	1,750	34.92
05/13/08	Automatic Sell	1,750	35.77
04/08/08	Automatic Sell	1,750	32.82
03/11/08	Automatic Sell	1,750	28.80
02/15/08	Acquisition (Non Open Market)	50,000	0.00
02/12/08	Automatic Sell	1,750	32.52
01/08/08	Automatic Sell	1,750	33.33
12/11/07	Automatic Sell	1,750	38.86
12/08/07	Disposition (Non Open Market)	3,063	38.20
12/07/07	Acquisition (Non Open Market)	40,000	0.00
12/07/07	Disposition (Non Open Market)	7,289	38.20
11/13/07	Automatic Sell	1,750	38.35
10/09/07	Automatic Sell	1,750	42.82
10/01/07	Automatic Sell	10,000	43.32
10/01/07	Option Execute	10,000	32.27
09/14/07	Disposition (Non Open Market)	9,034	40.23
09/11/07	Automatic Sell	1,750	38.53
08/14/07	Automatic Sell	1,750	36.09

William Bock

Senior Vice President and Chief Financial Officer

Mr. Bock stepped down from the Silicon Laboratories' Board of Directors in November, 2006 to join the senior management team in his current role. Mr. Bock joined Silicon Laboratories' Board in March, 2000 and served as chairman of the audit committee. Prior to joining Silicon Laboratories, Mr. Bock was a partner at venture capital firms CenterPoint Ventures and Verity Ventures. From 1997 to 1999, Mr. Bock served as President and Chief Executive Officer of DAZEL Corporation, a provider of electronic information delivery systems. After DAZEL's acquisition by Hewlett-Packard, Mr. Bock then served as Vice President for HP until 2001. Mr. Bock served as Executive Vice President and Chief Operating Officer of Tivoli Systems, which he helped take public in 1995 and was later acquired by IBM. Prior to joining Tivoli, Mr. Bock successfully completed an IPO at Convex Computer Corporation as CFO in 1986 and then became the Senior Vice President of Sales in 1991. Prior to Convex, Mr. Bock spent nine years in various finance roles at Texas Instruments including the Vice President and Controller of the Data Systems Group. Mr. Bock holds a bachelor's degree in Computer Science from Iowa State University and a master's degree in industrial administration from Carnegie Mellon University.

Holdings: 113,901 shares     View Transactions

Date	Type	Shares Traded	Price Range
02/15/10	Disposition (Non Open Market)	1,431	45.24
02/15/10	Acquisition (Non Open Market)	31,742	0.00
12/07/09	Disposition (Non Open Market)	911	44.63
11/12/09	Automatic Sell	10,225	43.52
11/09/09	Automatic Sell	18,000	43.00
11/09/09	Option Execute	18,000	32.98
11/08/09	Disposition (Non Open Market)	4,775	41.90
07/29/09	Automatic Sell	35,000	41.00 - 43.00
07/29/09	Option Execute	35,000	31.23 - 32.98
04/29/09	Automatic Sell	11,039	32.41
02/15/09	Acquisition (Non Open Market)	32,480	0.00
12/07/08	Disposition (Non Open Market)	661	17.76
11/08/08	Disposition (Non Open Market)	3,967	24.29
05/08/08	Automatic Sell	3,178	35.05
02/15/08	Acquisition (Non Open Market)	10,000	0.00
12/07/07	Acquisition (Non Open Market)	10,000	0.00
12/07/07	Disposition (Non Open Market)	1,822	38.20
11/13/07	Automatic Sell	10,430	38.99
11/08/07	Disposition (Non Open Market)	4,570	39.56
10/01/07	Automatic Sell	20,000	42.40
10/01/07	Option Execute	20,000	30.15 - 31.77
09/18/07	Automatic Sell	20,000	41.00
09/18/07	Option Execute	20,000	31.00

David Bresemann

Vice President

Mr. Bresemann serves as Vice President of Silicon Laboratories' broadcast products. Mr. Bresemann served as Vice President and General Manager of the wireline product group from 2002 to 2009. He joined Silicon Labs in 1998 as the Director Marketing. Previously, he served as the Director of Marketing for Consumer and Professional Audio Products at Crystal Semiconductor/Cirrus Logic from February 1992 to July 1998. From 1988 to 1992, Mr. Bresemann held various sales positions for Analog Devices, a designer and manufacturer of integrated circuits. Mr. Bresemann holds a B.S. in electrical engineering from the University of Arizona.

Mark Downing

Vice President of Strategy and Business Development

Mr. Downing joined Silicon Laboratories in 2007 as the Vice President of Strategy and Business Development. Mr. Downing was most recently Chief Executive Officer and Director of Enpirion, a private company offering high efficiency switching DC-DC converters with the highest power density in the industry. During his 4-year tenure, Mr. Downing led the Company from its initial technology development stage to its first $1 million quarter in revenue. Prior to joining Enpirion, Mark served as Vice President of Marketing for Micrel responsible for defining strategic direction. Mr. Downing also served as Vice President of Marketing at Pericom Semiconductor where he was responsible for each of Pericom's four product lines and launching the company in preparation for an IPO and subsequent secondary public offering. From March 1988 until October 1997, Mr. Downing served in various strategic planning, marketing, product line management and applications management roles at National Semiconductor Corp. Mr. Downing holds a bachelor's degree in Physics from Aston University of Birmingham, England and an MBA from Open University of Milton Keynes, England.

Carlos Garcia

Vice President

Mr. Garcia is the Vice President of the Wireline products at Silicon Labs. Prior to joining Silicon Labs in 2007, Mr. Garcia spent more than ten years with LSI/Agere where he was the Vice President of system and field application engineering for the networking and storage products group. Prior to joining Agere, Mr. Garcia served as Director of telecommunications products for Harris Semiconductor. He also held several design management roles establishing remote design centers and supporting the development of linear and data acquisition IC products. Mr. Garcia received his BSEE from the University of Florida and MBA from the Florida Institute of Technology.

Kurt Hoff

Vice President of Worldwide Sales

Mr. Hoff joined Silicon Laboratories in 2005 to manage the company's European sales and operations. Mr. Hoff was instrumental in building a foothold at key European accounts and in developing a distribution channel for the company's expanding, broad-based business. Prior to joining Silicon Laboratories, Mr. Hoff served as president, chief executive officer and director of Cognio, a spectrum management company. Mr. Hoff also managed the operations and sales of C-Port Corporation, the wholly-owned network processor subsidiary acquired by Motorola in May 2000. Additionally, Mr. Hoff spent 10 years at AMD in sales where he managed operations of $500 million servicing large communications multinationals. Mr. Hoff holds a master's degree in business administration from the University of Chicago and a bachelor's degree in physics from the University of Illinois.

Holdings: 59,817 shares     View Transactions

Date	Type	Shares Traded	Price Range
03/04/10	Automatic Sell	700	46.49
02/15/10	Disposition (Non Open Market)	1,353	45.24
02/15/10	Acquisition (Non Open Market)	19,762	0.00
02/04/10	Automatic Sell	1,050	44.50
01/04/10	Automatic Sell	2,156	47.44
12/07/09	Disposition (Non Open Market)	396	44.63
09/01/09	Automatic Sell	2,000	44.67
08/03/09	Automatic Sell	2,000	42.76
07/02/09	Disposition (Non Open Market)	2,204	37.99
06/01/09	Automatic Sell	700	33.74
05/01/09	Automatic Sell	1,233	33.09
02/15/09	Disposition (Non Open Market)	273	24.80
02/15/09	Acquisition (Non Open Market)	24,720	0.00
12/07/08	Disposition (Non Open Market)	396	17.76
10/03/08	Automatic Sell	2,000	30.00
09/03/08	Automatic Sell	2,000	33.42
08/01/08	Automatic Sell	2,000	32.64
07/02/08	Disposition (Non Open Market)	2,204	34.35
06/02/08	Automatic Sell	2,380	36.62
05/01/08	Automatic Sell	788	33.65
02/15/08	Disposition (Non Open Market)	286	31.96
02/15/08	Acquisition (Non Open Market)	8,000	0.00
12/07/07	Acquisition (Non Open Market)	6,000	0.00
12/07/07	Disposition (Non Open Market)	793	38.20

Jon Ivester

Senior Vice President

Mr. Ivester joined Silicon Laboratories in September 1997 as Vice President of Manufacturing. From May 1984 to September 1997, Mr. Ivester was with Applied Materials and served as Director of Manufacturing and Director of U.S. Procurement in addition to various engineering management positions. Mr. Ivester was a scientist at Bechtel Corporation, an engineering and construction company, from 1980 to 1982 and at Abcor, Inc., an ultrafiltration company and subsidiary of Koch Industries, from 1978 to 1980. Mr. Ivester holds a B.S. in chemistry from the Massachusetts Institute of Technology and an M.B.A. from Stanford University.

Holdings: 147,072 shares     View Transactions

Date	Type	Shares Traded	Price Range
02/25/10	Option Execute	2,058	24.30
02/15/10	Disposition (Non Open Market)	1,507	45.24
02/15/10	Acquisition (Non Open Market)	14,501	0.00
02/09/10	Automatic Sell	4,500	44.61
02/09/10	Automatic Sell	2,500	44.61
02/09/10	Option Execute	4,500	22.63
12/19/09	Disposition (Non Open Market)	329	46.07
12/08/09	Disposition (Non Open Market)	669	44.75
12/08/09	Automatic Sell	4,500	44.93
12/08/09	Automatic Sell	2,500	44.93
12/08/09	Option Execute	4,072	22.63
12/07/09	Disposition (Non Open Market)	495	44.63
11/10/09	Automatic Sell	4,500	43.27
10/13/09	Automatic Sell	6,000	46.71
10/13/09	Automatic Sell	2,500	46.71
09/12/09	Disposition (Non Open Market)	302	47.58
09/08/09	Automatic Sell	6,000	47.04
09/08/09	Automatic Sell	2,500	47.04
08/12/09	Automatic Sell	4,500	41.56
08/12/09	Automatic Sell	2,500	41.56
08/05/09	Disposition (Non Open Market)	460	n/a
07/14/09	Automatic Sell	1,500	37.50
06/09/09	Automatic Sell	1,500	36.34
05/04/09	Sell	1,400	34.29
02/24/09	Sell	3,600	21.51
02/24/09	Option Execute	3,600	1.75
02/15/09	Disposition (Non Open Market)	275	24.80
02/15/09	Acquisition (Non Open Market)	22,220	0.00
02/10/09	Automatic Sell	1,500	24.93
02/10/09	Option Execute	1,200	1.75
01/13/09	Automatic Sell	1,500	23.56
01/13/09	Option Execute	1,200	1.75
12/19/08	Disposition (Non Open Market)	329	24.61
12/10/08	Option Execute	1,500	1.75
12/08/08	Disposition (Non Open Market)	668	17.70
12/07/08	Disposition (Non Open Market)	495	17.76
11/26/08	Option Execute	3,000	1.75
11/11/08	Automatic Sell	1,500	22.77
10/14/08	Automatic Sell	600	28.32
09/18/08	Automatic Sell	4,500	31.45
09/18/08	Automatic Sell	1,500	31.45
09/18/08	Option Execute	1,500	1.75
09/12/08	Disposition (Non Open Market)	302	31.20
08/12/08	Automatic Sell	4,500	34.73
08/12/08	Automatic Sell	1,500	34.73
08/12/08	Option Execute	1,500	1.75
07/08/08	Automatic Sell	4,500	34.19
07/08/08	Automatic Sell	1,500	34.19
07/08/08	Option Execute	1,500	1.75
06/19/08	Automatic Sell	5,000	35.29

Mark Thompson

Vice President

Mark Thompson is the Vice President of the Embedded Mixed Signal products at Silicon Labs. He joined Silicon Laboratories in 2000 and has served as Director of Marketing for wireline products, Director of Marketing and then General Manager of the broadcast audio products and Vice President and General Manager of the MCU products. Previously, Mr. Thompson held various engineering and marketing positions at BMC Software and Motorola's semiconductor products sector (now Freescale Semiconductor). Mr. Thompson holds a master's degree in electrical engineering, a master's degree in business administration and a bachelor's degree in electrical and computer engineering from The University of Texas at Austin.

Tyson Tuttle

Chief Technical Officer

Mr. Tuttle serves as Chief Technical Officer and is responsible for Silicon Laboratories' IC design team. Mr. Tuttle previously was the Vice President of the broadcast products including the audio and video product families. Mr. Tuttle joined Silicon Laboratories in 1997 as a senior design engineer for the company's initial product, the silicon direct access arrangement. Since 1999, Mr. Tuttle has served in a variety of product management and marketing leadership positions. Previously, Mr. Tuttle held senior design positions at Crystal Semiconductor and Broadcom Corporation where he focused on high-speed mixed-signal circuit design for hard disk drive read channel and Ethernet applications. Mr. Tuttle holds an M.S. in electrical engineering from UCLA and a B.S. in electrical engineering from Johns Hopkins University. He has 93 patents issued or pending in the areas of RF and mixed-signal.

Paul Walsh

Vice President and Chief Accounting Officer

Mr. Walsh joined Silicon Laboratories in January 2004 as Director of Finance, Worldwide Operations, and was appointed Corporate Controller in May 2005. In November 2006, Mr. Walsh was promoted to Vice President and Chief Accounting Officer. In January 2009, Mr. Walsh was appointed to the Board of Directors of Grande Communications Holdings, Inc., a provider of cable, internet and phone services, and will serve as the Chairman of the Audit Committee and as a member of the Finance Committee. Prior to joining Silicon Laboratories, Mr. Walsh was Site Controller from February 2003 to January 2004 with PerkinElmer, a supplier to the health sciences and photonics markets. From 1992 to 2003, Mr. Walsh held various operational, finance and management roles at Teradyne and Analog Devices. Mr. Walsh received his B.S. in Mechanical Engineering from the University of Maine, and an M.B.A from Boston University.