Corporate Governance | Regeneron Pharmaceuticals Inc.

Date	Name	Title	Filing	Type	Shares Traded	Price	Total Held
Jun 27, 2012	YANCOPOULOS GEORGE Director, EVP CSO Pres REGN Res Lab	Director, EVP CSO Pres REGN Res Lab	Form 4	Grant, award or other acquisition pursuant to Rule 16b-3(d)	500,000	--	1,333,041
May 06, 2013	YANCOPOULOS GEORGE Director, President Regeneron Laboratori	Director, President Regeneron Laboratori	Form 4	Exercise or conversion of derivative security exempted pursuant to Rule 16b-3	192,308	$13.00	1,309,638
Dec 17, 2012	YANCOPOULOS GEORGE Director, EVP CSO Pres Regen Res Labs	Director, EVP CSO Pres Regen Res Labs	Form 4	Exercise or conversion of derivative security exempted pursuant to Rule 16b-3	10,103	$109.29	1,304,811
May 06, 2013	YANCOPOULOS GEORGE Director, President Regeneron Laboratori	Director, President Regeneron Laboratori	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	9,599	$260.44	1,300,039
Dec 17, 2012	YANCOPOULOS GEORGE Director, EVP CSO Pres Regen Res Labs	Director, EVP CSO Pres Regen Res Labs	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	6,163	$179.13	1,298,648
Dec 17, 2012	YANCOPOULOS GEORGE Director, EVP CSO Pres Regen Res Labs	Director, EVP CSO Pres Regen Res Labs	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	1,814	$179.13	1,296,834
Dec 17, 2012	YANCOPOULOS GEORGE Director, EVP CSO Pres Regen Res Labs	Director, EVP CSO Pres Regen Res Labs	Form 4	Exercise or conversion of derivative security exempted pursuant to Rule 16b-3	266	$109.29	1,294,916
Dec 17, 2012	YANCOPOULOS GEORGE Director, EVP CSO Pres Regen Res Labs	Director, EVP CSO Pres Regen Res Labs	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	161	$179.13	1,294,755
Dec 17, 2012	YANCOPOULOS GEORGE Director, EVP CSO Pres Regen Res Labs	Director, EVP CSO Pres Regen Res Labs	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	47	$179.13	1,294,708
Dec 14, 2012	YANCOPOULOS GEORGE Director, EVP CSO Pres Regen Res Labs	Director, EVP CSO Pres Regen Res Labs	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	38,391	$179.13	1,294,650

* 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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