The following companies are subsidiares of Biogen: AliveGen, Biogen (Argentina) SRL, Biogen (Czech Republic) s.r.o., Biogen (Denmark) A/S, Biogen (Denmark) Manufacturing ApS, Biogen (Denmark) New Manufacturing ApS, Biogen (RTP) Realty LLC, Biogen (Singapore) Pte Ltd, Biogen Australia PTY Ltd, Biogen Austria GmbH, Biogen B.V., Biogen Belgium N.V./S.A., Biogen Biotechnology (Shanghai) Co. Ltd., Biogen Brasil Produtos Farmaceuticos LTDA, Biogen Canada Inc., Biogen Chesapeake LLC, Biogen Chile Spa, Biogen Colombia S.A.S., Biogen Finland OY, Biogen Foundation Inc., Biogen France S.A.S., Biogen GmbH, Biogen Holding APS, Biogen Holding I LLC, Biogen Holding II LLC, Biogen Hungary KFT, Biogen Idec (Ireland) Ltd., Biogen Idec Biotech India Pvt. Ltd., Biogen Idec Hong Kong Limited, Biogen Idec Ltd., Biogen Idec Research Ltd., Biogen Idec Uruguay SA, Biogen International GmbH, Biogen International Holding Limited, Biogen International Neuroscience GmbH, Biogen Italia SRL, Biogen Japan Ltd., Biogen Korea, Biogen Luxembourg Holding SARL, Biogen MA Inc., Biogen Management Services GmbH, Biogen Manufacturing Holding LLC, Biogen Mexico S. DE R.L. DE C.V., Biogen Mexico Servicios S. DE R.L. DE C.V., Biogen NZ Biopharma Ltd., Biogen Netherlands B.V., Biogen New Ventures Inc., Biogen Norway AS, Biogen Pharma farmacevtska in biotehnoloska druzba d.o.o, Biogen Poland Sp. z.o.o, Biogen Portugal Sociedade Farmaceutica Unipessoal Lda., Biogen Realty Corporation, Biogen Realty Limited Partnership, Biogen SRO Inc., Biogen Slovakia s.r.o., Biogen Spain S.L., Biogen Sweden AB, Biogen Swiss Investments GmbH, Biogen Swiss Manufacturing GmbH, Biogen Switzerland AG, Biogen Switzerland Holdings GmbH, Biogen Taiwan Limited, Biogen Therapeutics Inc., Biogen U.S. Corporation, Biogen U.S. Limited Partnership, Biogen U.S. Pacific LLC, Biogen U.S. West Corporation, Conforma Therapeutics, Conforma Therapeutics Corporation, Convergence Pharmaceuticals, Convergence Pharmaceuticals Holdings Ltd., Convergence Pharmaceuticals Ltd., Eidetica Biopharma GmbH, Fumapharm, Karyopharm Therapeutics, Nightstar Europa Limited, Nightstar Inc., Nightstar Limited, Nightstar Therapeutics, Nightstar Therapeutics Limited, Old Convergence Pharmaceuticals Ltd., Panion Ltd., Remedy Pharmaceuticals, Silver Acquisition Co. Ltd., Stromedix, Stromedix Inc., Syntonix Pharmaceuticals, Tungsten Bidco Limited, and Tysabri.