REGENERON PHARMACEUTICALS, INC. - FORM 10-K - EX-21.1 - SUBSIDIARIES OF REGENERON PHARMACUTICALS, INC.

file	filename
EX-10.24.5 - CREDIT SUISSE TERMINATION AGREEMENT, BY AND BETWEEN CREDIT SUISSE AND REGISTRANT - REGENERON PHARMACEUTICALS, INC.	regn-ex_10245xcreditsuisse.htm
10-K - FORM 10-K - REGENERON PHARMACEUTICALS, INC.	regn-123116x10k.htm
EX-32 - CERTIFICATION OF CEO AND CFO PURSUANT TO 18 U.S.C. SECTION 1350 - REGENERON PHARMACEUTICALS, INC.	regn-ex_32x12312016x10k.htm
EX-31.2 - CERTIFICATION OF CFO PURSUANT TO RULE 13A-14(A) - REGENERON PHARMACEUTICALS, INC.	regn-ex_312x12312016x10k.htm
EX-31.1 - CERTIFICATION OF CEO PURSUANT TO RULE 13A-14(A) - REGENERON PHARMACEUTICALS, INC.	regn-ex_311x12312016x10k.htm
EX-23.1 - CONSENT OF PRICEWATERHOUSECOOPERS LLP - REGENERON PHARMACEUTICALS, INC.	regn-ex_231x12312016x10k.htm
EX-10.35 - PURCHASE AGREEMENT, BY & AMONG BMR-LANDMARK LLC, BMR-LANDMARK IV LLC, & REGN - REGENERON PHARMACEUTICALS, INC.	regn-ex_1035xlandmarkpsaex.htm
EX-10.26.3 - MORGAN STANLEY TERMINATION AGREEMENT, BY AND BETWEEN MORGAN STANLEY & REGISTRANT - REGENERON PHARMACEUTICALS, INC.	regn-ex_10263xmorganstanle.htm
EX-10.22.4 - CITI TERMINATION AGREEMENT, BY AND BETWEEN CITI AND REGISTRANT - REGENERON PHARMACEUTICALS, INC.	regn-ex_10224xcititerminat.htm
EX-10.22.3 - CITI 3RD WARRANT AGREEMENT, BY AND BETWEEN CITI AND REGISTRANT - REGENERON PHARMACEUTICALS, INC.	regn-ex_10223xciti3rdwarra.htm
EX-10.20.4 - GOLDMAN SACHS TERMINATION AGREEMENT, BY AND BETWEEN GOLDMAN SACHS AND REGISTRANT - REGENERON PHARMACEUTICALS, INC.	regn-ex_10204xgoldmansachs.htm

Exhibit 21.1

SUBSIDIARIES OF REGENERON PHARMACEUTICALS, INC.



	Name of Subsidiary*		State or Other Jurisdiction of Incorporation or Organization
	Loop Road Holdings LLC		New York
	Old Saw Mill Holdings LLC		New York
	OSMR Holdings		Bermuda
	OSMR International		Bermuda
	Regeneron Assurance, Inc.		New York
	Regeneron Belgium BVBA		Belgium
	Regeneron Capital International B.V.		The Netherlands
	Regeneron Genetics Center LLC		Delaware
	Regeneron Healthcare Solutions, Inc.		New York
	Regeneron International Holdings LLC		Delaware
	Regeneron International Unlimited Company		Ireland
	Regeneron Ireland Holdings Unlimited Company		Ireland
	Regeneron Ireland Unlimited Company		Ireland
	Regeneron Spain, S.L.U.		Spain
	Regeneron UK Limited		United Kingdom
	Rockwood Road Holdings LLC		New York
	_____________
	* Directly or indirectly wholly owned by Regeneron Pharmaceuticals, Inc.

REGENERON PHARMACEUTICALS, INC. - FORM 10-K - EX-21.1 - SUBSIDIARIES OF REGENERON PHARMACUTICALS, INC. - February 9, 2017