Corporate Governance | Regeneron Pharmaceuticals Inc.

Date	Name	Title	Filing	Type	Shares Traded	Price	Total Held
Dec 14, 2011	STAHL NEIL SVP Research and Development S Trans History: 660	SVP Research and Development S	Form 4	Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3	8,411	$51.18	59,121
Dec 14, 2011	YANCOPOULOS GEORGE Director, EVP CSO President Regeneron Re Trans History: 673	Director, EVP CSO President Regeneron Re	Form 4	Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3	38,516	$51.18	860,754
Nov 30, 2011	YANCOPOULOS GEORGE Director, EVP CSO President Regeneron Re Trans History: 673	Director, EVP CSO President Regeneron Re	Form 4	Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3	94,551	$58.19	971,584
Nov 30, 2011	YANCOPOULOS GEORGE Director, EVP CSO President Regeneron Re Trans History: 673	Director, EVP CSO President Regeneron Re	Form 4	Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3	46,453	$58.19	925,131
Nov 30, 2011	YANCOPOULOS GEORGE Director, EVP CSO President Regeneron Re Trans History: 673	Director, EVP CSO President Regeneron Re	Form 4	Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3	1,718	$58.19	926,983
Oct 10, 2011	Terifay Robert J SVP Commercial Trans History: 172	SVP Commercial	Form 4	Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3	6,588	$64.78	13,412
Oct 10, 2011	Terifay Robert J SVP Commercial Trans History: 172	SVP Commercial	Form 4	Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3	6,198	$64.78	7,214
Sep 14, 2011	RYAN ARTHUR F Director Trans History: 547	Director	Form 4	Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3	8,083	$64.85	26,917
Sep 14, 2011	RYAN ARTHUR F Director Trans History: 547	Director	Form 4	Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3	3,471	$64.85	38,446
Sep 14, 2011	RYAN ARTHUR F Director Trans History: 547	Director	Form 4	Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3	2,120	$64.85	51,326

* Represents the number of non-derivative securities directly held. (I) Indicates that some (or all) of these shares are held indirectly.

Investors & Media