Stock Trading History of Kolinski Stuart

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 Kolinski Stuart since year 2005. The trader's CIK number is 1226686. At the time of this reporting, Kolinski Stuart is the SVP, Gen Counsel & Secretary of Regeneron Pharmaceuticals Inc . (stock ticker symbol REGN). See this page for all insider trading activities at Regeneron Pharmaceuticals Inc .

Stock purchases, sales, and option exercises reported by insider *Kolinski Stuart* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2008-09-19	REGN	Regeneron Pharmaceuticals Inc	Sale	9,992	23.62	235,961
2008-09-19	REGN	Regeneron Pharmaceuticals Inc	Option Exercise	9,992	8.50	84,932
2006-08-17	REGN	Regeneron Pharmaceuticals Inc	Sale	2,000	15.00	30,000
2006-01-09	REGN	Regeneron Pharmaceuticals Inc	Sale	1,621	17.24	27,939
2005-12-27	REGN	Regeneron Pharmaceuticals Inc	Sale	3,000	15.00	45,000
2005-07-11	REGN	Regeneron Pharmaceuticals Inc	Sale	1,621	9.50	15,396

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 Kolinski Stuart (SVP, Gen Counsel & Secretary of Regeneron Pharmaceuticals Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.