ADAP Adaptimmune Therapeutics PLC

Adaptimmune Therapeutics plc (Nasdaq:ADAP), a leader in T-cell therapy to treat cancer, will announce financial results for the Third Quarter 2018 and provide a general business update before the U.S. markets open on Tuesday, November 6, 2018. Following the announcement, the company will host a live teleconference and webcast at 8:00 a.m. EST (1:00 p.m. GMT) on the same day.

The press release and the live webcast of the conference call will be available in the investor section of Adaptimmune’s corporate website at www.adaptimmune.com. An archive will be available after the call at the same address.

To participate in the live conference call, please dial (833) 652-5917 (U.S.) or +1 (430) 775-1624 (International). After placing the call, please ask to be joined into the Adaptimmune conference call and provide the confirmation code (2458438).

About AdaptimmuneAdaptimmune is a clinical-stage biopharmaceutical company focused on the development of novel cancer immunotherapy products. The Company’s unique SPEAR (Specific Peptide Enhanced Affinity Receptor) T‑cell platform enables the engineering of T-cells to target and destroy cancer, including solid tumors. Adaptimmune is currently conducting clinical trials with SPEAR T-cells targeting MAGE-A4, MAGE-A10, and AFP across multiple solid tumor indications. The Company is located in Philadelphia, USA and Oxfordshire, U.K. For more information, please visit http://www.adaptimmune.com.

Forward-Looking StatementsThis release contains “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995 (PSLRA). 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 and our ability to successfully advance our TCR therapeutic candidates through the regulatory and commercialization processes. For a further description of the risks and uncertainties that could cause our actual results to differ materially from those expressed in these forward-looking statements, as well as risks relating to our business in general, we refer you to our Quarterly Report on Form 10-Q filed with the Securities and Exchange Commission (SEC) on August 2, 2018, and our other SEC filings. The forward-looking statements contained in this press release speak only as of the date the statements were made and we do not undertake any obligation to update such forward-looking statements to reflect subsequent events or circumstances.

Adaptimmune Contacts:Media Relations:Sébastien Desprez – VP, Communications and Investor RelationsT: +44 1235 430 583M: +44 7718 453 176 Sebastien.Desprez@adaptimmune.com

Investor Relations: Juli P. Miller, Ph.D. – Director, Investor RelationsT: +1 215 825 9310M: +1 215 460 8920Juli.Miller@adaptimmune.com