Corporate Governance | Regeneron Pharmaceuticals Inc.

Date	Name	Title	Filing	Type	Shares Traded	Price	Total Held
Dec 14, 2011	YANCOPOULOS GEORGE Director, EVP CSO President Regeneron Re	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
Dec 02, 2011	YANCOPOULOS GEORGE Director, EVP CSO President Regeneron Re	Director, EVP CSO President Regeneron Re	Form 4	Other acquisition or disposition	--	--	5,390
Dec 01, 2011	YANCOPOULOS GEORGE Director, EVP CSO President Regeneron Re	Director, EVP CSO President Regeneron Re	Form 4	Open market or private sale of non-derivative or derivative security	3,300	$58.86	923,683
Dec 01, 2011	YANCOPOULOS GEORGE Director, EVP CSO President Regeneron Re	Director, EVP CSO President Regeneron Re	Form 4	Open market or private sale of non-derivative or derivative security	24,413	$59.45	899,270
Nov 30, 2011	YANCOPOULOS GEORGE Director, EVP CSO President Regeneron Re	Director, EVP CSO President Regeneron Re	Form 4	Exercise or conversion of derivative security exempted pursuant to Rule 16b-3	196,430	$28.01	1,066,135
Nov 30, 2011	YANCOPOULOS GEORGE Director, EVP CSO President Regeneron Re	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	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	Director, EVP CSO President Regeneron Re	Form 4	Exercise or conversion of derivative security exempted pursuant to Rule 16b-3	3,570	$28.01	928,701
Nov 30, 2011	YANCOPOULOS GEORGE Director, EVP CSO President Regeneron Re	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
Nov 30, 2011	YANCOPOULOS GEORGE Director, EVP CSO President Regeneron Re	Director, EVP CSO President Regeneron Re	Form 4	Exercise or conversion of derivative security exempted pursuant to Rule 16b-3	3,570	--	--

* 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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