Stock Trading History of Rupp Randall

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 Rupp Randall since year 2005. The trader's CIK number is 1226688. At the time of this reporting, Rupp Randall is the SVP, Manufuring Operations of Regeneron Pharmaceuticals Inc (stock ticker symbol REGN).

Stock purchases, sales, and option exercises reported by *Rupp Randall* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2007-04-13	REGN	Regeneron Pharmaceuticals Inc	Sale	31,250	24.94	779,406
2007-04-13	REGN	Regeneron Pharmaceuticals Inc	Option Exercise	31,250	11.95	373,343
2006-10-31	REGN	Regeneron Pharmaceuticals Inc	Sale	143,750	20.04	2,881,201
2006-10-31	REGN	Regeneron Pharmaceuticals Inc	Option Exercise	143,750	9.05	1,300,526
2006-09-01	REGN	Regeneron Pharmaceuticals Inc	Sale	23,461	15.72	368,689
2006-09-01	REGN	Regeneron Pharmaceuticals Inc	Option Exercise	20,000	9.50	190,000
2006-01-05	REGN	Regeneron Pharmaceuticals Inc	Sale	4,000	15.80	63,200
2006-01-09	REGN	Regeneron Pharmaceuticals Inc	Sale	1,682	16.88	28,392

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 Rupp Randall (SVP, Manufuring Operations of Regeneron Pharmaceuticals Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.