Stock Trading History of Larsson William D

The following table details the trading activities (stock purchases, stock sales, and stock option exercises) reported to the Securities and Exchange Commission (SEC) by insider Larsson William D since year 2005. The trader's CIK number is 1236790. At the time of this reporting, Larsson William D is the Sr. V.P. and C.F.O. of Precision Castparts Corp (stock ticker symbol PCP).

Stock purchases, sales, and option exercises reported by *Larsson William D* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2007-11-16	PCP	Precision Castparts Corp	Option Exercise	16,000	31.75	508,000
2007-11-16	PCP	Precision Castparts Corp	Sale	16,000	135.35	2,165,593
2007-11-15	PCP	Precision Castparts Corp	Sale	12,500	137.92	1,724,027
2007-11-14	PCP	Precision Castparts Corp	Sale	10,000	141.81	1,418,092
2007-11-15	PCP	Precision Castparts Corp	Option Exercise	12,500	47.84	598,000
2007-11-14	PCP	Precision Castparts Corp	Option Exercise	10,000	70.79	707,900
2007-11-12	PCP	Precision Castparts Corp	Option Exercise	14,878	20.00	297,485
2007-11-12	PCP	Precision Castparts Corp	Sale	14,878	140.42	2,089,173
2007-05-14	PCP	Precision Castparts Corp	Option Exercise	24,000	79.05	1,897,110
2006-11-16	PCP	Precision Castparts Corp	Sale	16,000	73.48	1,175,680
2006-11-16	PCP	Precision Castparts Corp	Option Exercise	16,000	31.75	508,000
2006-11-13	PCP	Precision Castparts Corp	Option Exercise	39,300	15.10	593,233
2006-11-13	PCP	Precision Castparts Corp	Sale	33,800	68.18	2,304,598
2006-02-28	PCP	Precision Castparts Corp	Sale	8,020	52.95	424,666
2006-02-27	PCP	Precision Castparts Corp	Sale	15,840	53.98	855,003
2006-02-28	PCP	Precision Castparts Corp	Option Exercise	8,020	31.75	254,635
2006-02-27	PCP	Precision Castparts Corp	Option Exercise	15,840	20.65	327,043
2006-02-23	PCP	Precision Castparts Corp	Option Exercise	22,000	12.07	265,540
2006-02-24	PCP	Precision Castparts Corp	Option Exercise	32,250	18.00	580,661
2006-02-23	PCP	Precision Castparts Corp	Sale	22,000	54.96	1,209,038
2006-02-24	PCP	Precision Castparts Corp	Sale	24,750	54.63	1,352,025

Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Larsson William D (Sr. V.P. and C.F.O. of Precision Castparts Corp at the time of this reporting) see the Securities and Exchange Commission (SEC) website.