Exhibit 99.2

Adaptimmune Announces Upcoming Data Presentation at the 2015 Annual American Society of Clinical Oncology (ASCO) Meeting
OXFORD, UK and PHILADELPHIA, Pa., May 21, 2015 Adaptimmune Therapeutics plc (Nasdaq: ADAP), a clinical stage biopharmaceutical company focused on the use of T-cell therapy to treat cancer, today announced that it will present data on its lead clinical program, an affinity enhanced T-cell receptor (TCR) therapeutic targeting the NY-ESO-1 cancer antigen at the 2015 Annual American Society of Clinical Oncology (ASCO) Meeting. These data pertain to clinical results from myeloma, synovial sarcoma and ovarian cancer patients who have been dosed with affinity-enhanced, TCR engineered T-cells targeting NY-ESO-1. ASCO brings together more than 30,000 physicians from around the world to discuss state-of-the-art advances and persisting challenges in the field of oncology. The meeting will take place at the McCormick Place exhibition center in Chicago, Illinois on May 29 through June 2, 2015.
Saturday May 30, 2015
Poster Presentation
Session title: Developmental Therapeutics and Translational Research
Abstract number: TPS3102
Presenter: Melinda S. Merchant, M.D., Ph.D., Clinical Director, Pediatric Oncology Branch, Center for Cancer Research of the National Cancer Institute
Title: Genetically engineered NY-ESO-1 specific T cells in HLA-A201+ patients with advanced cancers
Presentation Time: 8:00am-11:30am
Location: S Hall A
Adaptimmunes NY-ESO TCR therapeutic candidate is a novel cancer immunotherapy that has been engineered to target and destroy cancer cells by strengthening a patients natural T-cell response. T-cells are a type of white blood cell that play a central role in a persons immune response. Adaptimmunes goal is to harness the power of the T-cell and, through its NY-ESO TCR therapeutic candidate, significantly impact cancer treatment and clinical outcomes of patients with cancers, including synovial sarcoma, multiple myeloma, melanoma, ovarian cancer and esophageal cancer.
About Adaptimmune
Adaptimmune is a clinical stage biopharmaceutical company focused on novel cancer immunotherapy products based on its T-cell receptor platform. Established in 2008, the company aims to utilize the bodys own machinery the T-cell to target and destroy cancer cells by using engineered, increased affinity T-cell receptors (TCRs) as a means of strengthening natural patient T-cell responses. Adaptimmunes lead program is an affinity enhanced TCR therapeutic targeting the NY-ESO cancer antigen. Its NY-ESO TCR therapeutic candidate has demonstrated signs of efficacy and tolerability in Phase 1/2 trials in solid tumors and in hematologic cancer types. In June 2014, Adaptimmune announced that it had entered into a strategic collaboration and licensing agreement with
GlaxoSmithKline for the development and commercialization of the NY-ESO TCR program. The company currently has over 100 employees. For more information: http://www.adaptimmune.com
Forward-Looking Statements
This press release contains forward-looking statements, as that term is defined under the Private Securities Litigation Reform Act of 1995 (PSLRA), which statements may be identified by words such as believe, may, will, estimate, continue, anticipate, intend, expect and other words of similar meaning. These forward-looking statements involve certain risks and uncertainties. Such risks and uncertainties could cause our actual results to differ materially from those indicated by such forward-looking statements, and include, without limitation: the success, cost and timing of our product development activities and clinical trials; our ability to submit an IND and successfully advance our technology platform to improve the safety and effectiveness of our existing TCR therapeutic candidates; the rate and degree of market acceptance of T-cell therapy generally and of our TCR therapeutic candidates; gover