Stock Trading History of Gemayel Georges

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 Gemayel Georges since year 2005. The trader's CIK number is 1256088. At the time of this reporting, Gemayel Georges is the Executive Vice President of Genzyme Corp (stock ticker symbol GENZ).

Stock purchases, sales, and option exercises reported by *Gemayel Georges* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2007-10-30	GENZ	Genzyme Corp	Sale	37,500	76.00	2,850,000
2007-10-30	GENZ	Genzyme Corp	Option Exercise	37,500	46.39	1,739,625
2007-05-31	GENZ	Genzyme Corp	Option Exercise	2,277	43.90	99,960
2006-05-30	GENZ	Genzyme Corp	Option Exercise	2,277	43.90	99,960
2006-05-30	GENZ	Genzyme Corp	Option Exercise	2,277	43.90	99,960
2006-05-11	GENZ	Genzyme Corp	Purchase	3,000	56.47	169,410

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 Gemayel Georges (Executive Vice President of Genzyme Corp at the time of this reporting) see the Securities and Exchange Commission (SEC) website.