13:00 uur 25-01-2021

EUSA Pharma and BeiGene Announce Acceptance of a Biologics License Application for SYLVANT® (Siltuximab for Injection) in China

HEMEL HEMPSTEAD, England & BEIJING, China & CAMBRIDGE, Mass.–(BUSINESS WIRE)– EUSA Pharma (UK) Limited and BeiGene, Ltd. (NASDAQ: BGNE; HKEX: 06160) today announced that the Biologics License Application (BLA) for SYLVANT® (siltuximab for injection) was accepted by the China National Medical Products Administration (NMPA) and granted priority review. Siltuximab is a monoclonal antibody approved by the European Medicines Agency (EMA) and Food and Drug Administration (FDA) for the treatment of adult patients with multicentric Castleman’s disease (MCD) who are human immunodeficiency virus (HIV) negative and human herpesvirus-8 (HHV-8) negative, also known as idiopathic MCD (iMCD). iMCD is a rare, life-threatening and debilitating condition of the lymph nodes and related tissues. Siltuximab is listed in the first batch of New Drugs in Urgent Clinical Need Marketed Overseas by the NMPA.

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“The BLA acceptance of siltuximab for review, an important treatment approved in more than 40 countries worldwide for iMCD, is good news for Chinese patients with this rare condition,” commented Xiaobin Wu, Ph.D., General Manager of China and President of BeiGene. “We’re glad to see continued progress in our collaboration with EUSA, which was built upon our shared commitment to bringing impactful therapies to patients in China and around the world.”

Lee Morley, Chief Executive Officer of EUSA Pharma, said, “The BLA acceptance of siltuximab for review in China represents another exciting step in delivering therapies to patients in need worldwide. We will continue in our close collaboration with BeiGene and the NMPA to potentially bring siltuximab to iMCD patients in China.”

About Siltuximab

Siltuximab is a monoclonal antibody that directly neutralises IL-6, an inflammatory cytokine detected at elevated levels in multiple inflammatory conditions. Siltuximab (SYLVANT®) is currently approved by the US Food and Drug Administration (FDA) and the European Commission (EC), as well as regulatory authorities in several other jurisdictions worldwide, for the treatment of adult patients with Multicentric Castleman Disease (MCD) who are human immunodeficiency virus (HIV) negative and human herpesvirus-8 (HHV-8) negative. Indications and Usage – See EMA Summary of Product Characteristics (SmPC) and FDA Prescribing Information for additional information.

About EUSA Pharma

Founded in March 2015, EUSA Pharma is a world-class biopharmaceutical company focused on oncology and rare disease. The company is headquartered in Hemel Hempstead, England (UK), and has extensive commercial operations in the United States and Europe, alongside a direct presence in selected other markets across the globe. EUSA Pharma is led by an experienced management team with a strong record of building successful pharmaceutical companies, and it is supported by significant funding raised from leading life science investor EW Healthcare Partners. For more information, please visit www.eusapharma.com.

About BeiGene

BeiGene is a global, commercial-stage biotechnology company focused on discovering, developing, manufacturing, and commercializing innovative medicines to improve treatment outcomes and access for patients worldwide. Our 5,200+ employees in China, the United States, Australia, Europe, and elsewhere are committed to expediting the development of a diverse pipeline of novel therapeutics. We currently market two internally discovered oncology products: BTK inhibitor BRUKINSA® (zanubrutinib) in the United States and China, and anti-PD-1 antibody tislelizumab in China. We also market or plan to market in China additional oncology products licensed from Amgen Inc., Celgene Logistics Sàrl, a Bristol Myers Squibb (BMS) company, and EUSA Pharma. To learn more about BeiGene, please visit www.beigene.com and follow us on Twitter at @BeiGeneUSA.

BeiGene Forward Looking Statements

This press release contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995 and other federal securities laws, including statements regarding the potential approval, launch and opportunity of SYLVANT® in China, future development and potential commercialization activities of the products under the agreement with EUSA, and other information that is not historical information. Actual results may differ materially from those indicated in the forward-looking statements as a result of various important factors, including BeiGene’s ability to demonstrate the efficacy and safety of its drug candidates; the clinical results for its drug candidates, which may not support further development or marketing approval; actions of regulatory agencies, which may affect the initiation, timing and progress of clinical trials and marketing approval; BeiGene’s ability to achieve commercial success for its marketed products and drug candidates, if approved; BeiGene’s ability to obtain and maintain protection of intellectual property for its technology and drugs; BeiGene’s reliance on third parties to conduct drug development, manufacturing and other services; BeiGene’s limited operating history and BeiGene’s ability to obtain additional funding for operations and to complete the development and commercialization of its drug candidates, as well as those risks more fully discussed in the section entitled “Risk Factors” in BeiGene’s most recent quarterly report on Form 10-Q, as well as discussions of potential risks, uncertainties, and other important factors in BeiGene’s subsequent filings with the U.S. Securities and Exchange Commission. All information in this press release is as of the date of this press release, and BeiGene undertakes no duty to update such information unless required by law.

GL-SIL-2100006. January 2021

Contacts

EUSA Media
Rebecca Kerr

+44 7909 703627

media@eusapharma.com

BeiGene Investors
Craig West

+1 857-302-5189

ir@beigene.com

BeiGene Media
Liza Heapes

+1 857-302-5663

media@beigene.com

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