Corporate Governance | Regeneron Pharmaceuticals Inc.

Date	Name	Title	Filing	Type	Shares Traded	Price	Total Held
Apr 04, 2011	STAHL NEIL SVP Res and Dev Sciences Trans History: 660	SVP Res and Dev Sciences	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	31,837	$45.53	84,465
Mar 30, 2011	BROWN MICHAEL S Director Trans History: 466	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	1,691	$44.35	22,971
Mar 17, 2011	GILMAN ALFRED G Director Trans History: 312	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	11,102	$38.92	5,820
Mar 17, 2011	GILMAN ALFRED G Director Trans History: 312	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	7,245	$38.92	13,575
Mar 09, 2011	BROWN MICHAEL S Director Trans History: 466	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	1,906	$39.35	27,756
Mar 09, 2011	GOLDSTEIN JOSEPH L Director Trans History: 381	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	3,495	$39.35	11,505
Feb 17, 2011	GOLDBERG MURRAY A SVP F&A, CFO, Treas & Asst Sec Trans History: 645	SVP F&A, CFO, Treas & Asst Sec	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	7,636	$37.78	84,948
Feb 17, 2011	GOLDBERG MURRAY A SVP F&A, CFO, Treas & Asst Sec Trans History: 645	SVP F&A, CFO, Treas & Asst Sec	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	2,645	$37.78	82,303
Feb 11, 2011	GOLDBERG MURRAY A SVP F&A, CFO, Treas & Asst Sec Trans History: 645	SVP F&A, CFO, Treas & Asst Sec	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	10,775	$36.06	86,959
Feb 11, 2011	GOLDBERG MURRAY A SVP F&A, CFO, Treas & Asst Sec Trans History: 645	SVP F&A, CFO, Treas & Asst Sec	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	3,340	$36.06	83,619

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

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