Corporate Governance | Regeneron Pharmaceuticals Inc.

Date	Name	Title	Filing	Type	Shares Traded	Price	Total Held
Jul 01, 2011	BROWN MICHAEL S Director	Director	Form 4	Open market or private sale of non-derivative or derivative security	3,025	$55.89	14,662
Apr 18, 2011	BROWN MICHAEL S Director	Director	Form 4	Open market or private sale of non-derivative or derivative security	5,000	$49.00	14,662
Mar 31, 2011	BROWN MICHAEL S Director	Director	Form 4	Open market or private sale of non-derivative or derivative security	3,309	$44.65	19,662
Mar 30, 2011	BROWN MICHAEL S Director	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 09, 2011	BROWN MICHAEL S Director	Director	Form 4	Open market or private sale of non-derivative or derivative security	5,000	$40.00	22,756
Mar 09, 2011	BROWN MICHAEL S Director	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 10, 2011	BROWN MICHAEL S Director	Director	Form 4	Open market or private sale of non-derivative or derivative security	3,094	$39.09	19,662
Jan 19, 2011	BROWN MICHAEL S Director	Director	Form 4	Open market or private sale of non-derivative or derivative security	2,306	$35.60	27,511
Jan 19, 2011	BROWN MICHAEL S Director	Director	Form 4	Open market or private sale of non-derivative or derivative security	2,849	$35.59	24,662
Jan 18, 2011	BROWN MICHAEL S Director	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	2,694	$34.88	26,968

* 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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