Stock Trading History of Armstrong Wally

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 Armstrong Wally since year 2005. The trader's CIK number is 1282782. At the time of this reporting, Armstrong Wally is the Director of Enterprise Bancorp Inc /ma/ (stock ticker symbol NONE).

Stock purchases, sales, and option exercises reported by *Armstrong Wally* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2007-02-09	EBTC	Enterprise Bancorp Inc /ma/	Sale	3,000	15.50	46,500
2006-11-03	EBTC	Enterprise Bancorp Inc /ma/	Sale	1,000	15.49	15,490
2006-11-02	EBTC	Enterprise Bancorp Inc /ma/	Sale	3,000	15.48	46,434
2006-06-12	EBTC	Enterprise Bancorp Inc /ma/	Sale	1,000	32.12	32,125
2005-12-28	EBTC	Enterprise Bancorp Inc /ma/	Sale	0	33.26	0
2006-06-09	EBTC	Enterprise Bancorp Inc /ma/	Sale	497	32.02	15,911
2006-01-26	EBTC	Enterprise Bancorp Inc /ma/	Sale	3,500	30.52	106,820

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 Armstrong Wally (Director of Enterprise Bancorp Inc /ma/ at the time of this reporting) see the Securities and Exchange Commission (SEC) website.