BeiGene Announces Presentation on a Phase I Study of PD-1 Antibody BGB-A317 in Combination with PARP Inhibitor BGB-290 at the 2017 American Society of Clinical Oncology Annual Meeting

CAMBRIDGE, Mass., April 21, 2017 -- BeiGene, Ltd. (NASDAQ:BGNE), a clinical-stage biopharmaceutical company developing innovative molecularly targeted and immuno-oncology drugs for the treatment of cancer, today announced that preliminary data from a Phase Ib combination study of its PD-1 antibody BGB-A317 and its PARP inhibitor BGB-290 in patients with advanced solid tumors will be presented in a poster discussion session at the 2017 American Society of Clinical Oncology (ASCO) Annual Meeting. The ASCO Annual Meeting will take place June 2–6, 2017 in Chicago, Illinois. Details of the presentation are provided below.

Abstract #3013

Title: A Phase 1b Study of the Anti-PD-1 Monoclonal Antibody BGB-A317 (A317) in Combination with the PARP Inhibitor BGB-290 (290) in Advanced Solid Tumors.

Presenter: Michael Friedlander, MD, PhD
Poster Discussion Session:  Developmental Therapeutics – Immunotherapy
Date: June 5, 2017
Time: 4:45–6:00 PM CT
Location:  Hall D1, McCormick Place
Poster Board: #108

About BGB-A317

BGB-A317 is an investigational humanized monoclonal antibody that belongs to a class of immuno-oncology agents known as immune checkpoint inhibitors. It is designed to bind to PD-1, a cell surface receptor that plays an important role in downregulating the immune system by preventing the activation of T-cells. BGB-A317 has high affinity and specificity for PD-1, and we believe it is differentiated from the currently approved PD-1 antibodies with the ability to bind Fc gamma receptor I specifically engineered out. BGB-A317 is being developed as a monotherapy and in combination with other therapies for the treatment of various cancers.

About BGB-290

BGB-290 is a potent and highly selective inhibitor of PARP1 and PARP2. BGB-290 is being developed as a monotherapy and in combination with other therapies for the treatment of several cancers including ovarian cancer, prostate cancer, breast cancer, glioblastoma multiforme, small cell lung cancer, and gastric cancer.

About BeiGene

BeiGene is a global, clinical-stage, research-based biotechnology company focused on molecularly targeted and immuno-oncology cancer therapeutics. With a team of over 300 scientists, clinicians and staff in mainland China, the United States, Australia and Taiwan, BeiGene is advancing a pipeline consisting of novel oral small molecules and monoclonal antibodies for cancer. BeiGene is working to create combination solutions aimed to have both a meaningful and lasting impact on cancer patients.

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 BeiGene’s advancement of, and anticipated clinical development and regulatory milestones and plans related to, BeiGene’s drug candidates and clinical trials, including providing data readouts and updates for its clinical candidates.  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; actions of regulatory agencies, which may affect the initiation, timing and progress of clinical trials; BeiGene's ability to achieve market acceptance in the medical community necessary for commercial success; BeiGene's ability to obtain and maintain protection of intellectual property for its technology and drug candidates; BeiGene's reliance on third parties to conduct preclinical studies and clinical trials; 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 annual report on Form 10-K, 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.

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