X0202 4 2006-08-01 0 0001316835 Builders FirstSource, Inc. BLDR 0001327138 SHERMAN FLOYD F 2001 BRYAN STREET SUITE 1600 DALLAS TX 75201 1 1 0 0 President & CEO Common Stock, par value $0.01 per share 2006-08-01 4 M 0 100000 3.15 A 450000 D Common Stock, par value $0.01 per share 2006-08-01 4 S 0 5000 16.27 D 445000 D Common Stock, par value $0.01 per share 2006-08-01 4 S 0 2500 16.32 D 442500 D Common Stock, par value $0.01 per share 2006-08-01 4 S 0 2500 16.38 D 440000 D Common Stock, par value $0.01 per share 2006-08-01 4 S 0 2500 16.39 D 437500 D Common Stock, par value $0.01 per share 2006-08-01 4 S 0 4400 16.40 D 433100 D Common Stock, par value $0.01 per share 2006-08-01 4 S 0 5000 16.41 D 428100 D Common Stock, par value $0.01 per share 2006-08-01 4 S 0 7500 16.42 D 420600 D Common Stock, par value $0.01 per share 2006-08-01 4 S 0 2500 16.43 D 418100 D Common Stock, par value $0.01 per share 2006-08-01 4 S 0 2500 16.44 D 415600 D Common Stock, par value $0.01 per share 2006-08-01 4 S 0 5000 16.45 D 410600 D Common Stock, par value $0.01 per share 2006-08-01 4 S 0 25000 16.46 D 385600 D Common Stock, par value $0.01 per share 2006-08-01 4 S 0 5000 16.47 D 380600 D Common Stock, par value $0.01 per share 2006-08-01 4 S 0 2500 16.49 D 378100 D Common Stock, par value $0.01 per share 2006-08-01 4 S 0 5000 16.50 D 373100 D Common Stock, par value $0.01 per share 2006-08-01 4 S 0 2500 16.54 D 370600 D Common Stock, par value $0.01 per share 2006-08-01 4 S 0 2500 16.57 D 368100 D Common Stock, par value $0.01 per share 2006-08-01 4 S 0 2500 16.68 D 365600 D Common Stock, par value $0.01 per share 2006-08-01 4 S 0 2500 16.82 D 363100 D Common Stock, par value $0.01 per share 2006-08-01 4 S 0 1000 16.83 D 362100 D Common Stock, par value $0.01 per share 2006-08-01 4 S 0 1000 16.88 D 361100 D Common Stock, par value $0.01 per share 2006-08-01 4 S 0 2000 16.94 D 359100 D Common Stock, par value $0.01 per share 2006-08-01 4 S 0 3000 16.95 D 356100 D Common Stock, par value $0.01 per share 2006-08-01 4 S 0 2000 16.96 D 354100 D Common Stock, par value $0.01 per share 2006-08-01 4 S 0 2000 16.97 D 352100 D Common Stock, par value $0.01 per share 2006-08-01 4 S 0 1000 17.08 D 351100 D Common Stock, par value $0.01 per share 2006-08-01 4 S 0 1000 17.17 D 350100 D Common Stock, par value $0.01 per share 2006-08-01 4 S 0 100 17.29 D 350000 D Common Stock, par value $0.01 per share 2006-08-03 4 M 0 50000 3.15 A 400000 D Employee stock option (right to buy) 3.15 2006-08-01 4 M 0 100000 D 2012-01-16 Common Stock 100000 585753 D Employee stock option (right to buy) 3.15 2006-08-01 4 M 0 50000 D 2012-01-16 Common Stock 50000 535753 D Award issued under the Company's 1998 Stock Incentive Plan, as amended and restated March 1, 2004. 100% is presently exercisable. Option vested 25% immediately and in 25% increments on each of September 1, 2002-2005. Not applicable. /s/ Floyd F. Sherman 2006-08-03