X0202 4 2007-02-22 0 0001163943 SIRF TECHNOLOGY HOLDINGS INC SIRF 0001275963 CHADHA KANWAR 217 DEVCON DRIVE SAN JOSE CA 95112 1 1 0 0 Vice President, Marketing Common Stock 2007-02-22 4 S 0 400 31.51 D 743194 D Common Stock 2007-02-22 4 S 0 400 31.5125 D 742794 D Common Stock 2007-02-22 4 S 0 400 31.5225 D 742394 D Common Stock 2007-02-22 4 S 0 500 31.548 D 741894 D Common Stock 2007-02-22 4 S 0 1500 31.55 D 740394 D Common Stock 2007-02-22 4 S 0 600 31.5533 D 739794 D Common Stock 2007-02-22 4 S 0 800 31.5563 D 738994 D Common Stock 2007-02-22 4 S 0 500 31.564 D 738494 D Common Stock 2007-02-22 4 S 0 100 31.59 D 738394 D Common Stock 2007-02-22 4 S 0 300 31.6 D 738094 D Common Stock 2007-02-22 4 S 0 400 31.6225 D 737694 D Common Stock 2007-02-22 4 S 0 800 31.635 D 736894 D Common Stock 2007-02-22 4 S 0 600 31.6383 D 736294 D Common Stock 2007-02-22 4 S 0 200 31.645 D 736094 D Common Stock 2007-02-22 4 S 0 300 31.71 D 735794 D Common Stock 2007-02-22 4 S 0 900 31.72 D 734894 D Common Stock 2007-02-22 4 S 0 1500 31.7207 D 733394 D Common Stock 2007-02-22 4 S 0 500 31.26 D 732894 D Common Stock 2007-02-22 4 S 0 500 31.46 D 732394 D Common Stock-Ankita Chadha 18400 I by Daughter Common Stock-Shivani Chadha 18400 I by Daughter Incentive Stock Option (right to buy) 1.8 1999-07-27 2009-07-27 Common Stock 28472 28472 D Incentive Stock Option (right to buy) 4 2002-06-17 2011-12-17 Common Stock 77791 77791 D Incentive Stock Option (right to buy) 4 2004-11-01 2013-11-26 Common Stock 12604 12604 D Incentive Stock Option (right to buy) 12.51 2005-12-01 2014-12-14 Common Stock 15986 15986 D Non-Qualified Stock Option (right to buy) 1.8 1999-07-27 2009-07-27 Common Stock 44445 44445 D Non-Qualified Stock Option (right to buy) 2 2000-04-10 2010-04-10 Common Stock 290000 290000 D Non-Qualified Stock Option (right to buy) 4 2004-11-01 2013-11-26 Common Stock 37396 37396 D Non-Qualified Stock Option (right to buy) 12.51 2005-12-01 2014-12-14 Common Stock 120316 120316 D When the ISO and NQ grants dated 07/27/99 totaling 100,000 shares are combined, less shares already exercised, such shares vest as to 12,501 shares on 05/01/00 and monthly thereafter from 05/01/00 until 11/01/03. Options are immediately exercisable but not fully vested and until fully vested, if exercised, would be subjuct to repurchase by the Company as to the unvested shares. Consists of two different grants dated 12/17/01 for 74,791 and 3,000 shares. Of such 74,791 shares, vests as to 9,349 shares on 06/17/02 and monthly thereafter from 06/17/02 until 12/17/05. Option becomes exercisable as it vests. Of such 3,000 shares, vests and becomes exercisable on 12/17/02. When the ISO and NQ grants dated 11/26/03 totaling 50,000 shares are combined, such shares vest as to 25,000 on 11/01/04 and 11/01/05. Options become exercisable as they vest. When the ISO and NQ grants dated 12/14/04 totaling 136,302 shares are combined, such shares vest as to 16,302 shares on 12/1/05, 60,000 shares on 12/1/06, and 60,000 shares on 12/1/07. Options become exercisable as they vest. Of such 290,000 shares, vests as to 36,250 shares on 10/10/00 and monthly thereafter from 10/10/00 until 04/10/04. Options are immediately exercisable but not fully vested and until fully vested, if exercised, would be subject to repurchase by the Company as to the unvested shares. By: Dennis Bencala For: Kanwar Chadha 2007-02-26