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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 MNlJQqUsFc5Qk1YJ5qJXT8U1QWzxFhBx2InE/dwqgDNWeDg/RqxdS7buxrEu+uy9
 YmEcNI54KfTpP4b13SOO4w==

<SEC-DOCUMENT>9999999997-05-024000.txt : 20050517
<SEC-HEADER>9999999997-05-024000.hdr.sgml : 20050517
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ACCESSION NUMBER:		9999999997-05-024000
CONFORMED SUBMISSION TYPE:	ARS
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20041231
FILED AS OF DATE:		20050516
DATE AS OF CHANGE:		20050517
EFFECTIVENESS DATE:		20050516

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			REGENERON PHARMACEUTICALS INC
		CENTRAL INDEX KEY:			0000872589
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				133444607
		STATE OF INCORPORATION:			NY
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		ARS
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-19034
		FILM NUMBER:		05054169

	BUSINESS ADDRESS:	
		STREET 1:		777 OLD SAW MILL RIVER RD
		CITY:			TARRYTOWN
		STATE:			NY
		ZIP:			10591-6707
		BUSINESS PHONE:		9143477000
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<TYPE>ARS
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<FILENAME>9999999997-05-024000.paper
<DESCRIPTION>AUTO-GENERATED PAPER DOCUMENT
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This document was generated as part of a paper submission.
Please reference the Document Control Number 05054169 for access to the original document.
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