Forward-Looking Statements This presentation contains “forward-looking statements” within the meaning
of the Private Securities Litigation Reform Act of 1995. Words such as “may,” “can”, “will,” “believe,” “expect,” “plan,” “anticipate,” “project” and similar expressions (as well as other words or expressions referencing future events or
circumstances) are intended to identify forward-looking statements. All statements, other than statements of historical facts, included in this presentations are forward-looking statements. These statements include, but are not limited to,
statements regarding the marketing and therapeutic potential and clinical benefits of IMC-F106C for a wide range of cancers, including its ability to influence a diverse range of tumors and ability to result in a durable response; the timing
of patient enrollment for and expansion arms of the IMC- F106C-101 trial, including the option for Phase 2 expansion; and expectations regarding the development plan, design, progress, timing, scope and results of Immunocore’s existing and
planned clinical trials, including the IMC-F106C-101 trial, including statements regarding upcoming cohorts, trial expansion and the timing of the availability of future clinical trial results, the KIMMTRAK clinical development and the
marketing and therapeutic potential of KIMMTRAK for metastatic uveal melanoma (mUM), expectations regarding the potential market size and opportunity for Immunocore’s product candidates, and expectations regarding receipt of regulatory
approvals of Immunocore’s product candidates. Any forward-looking statements are based on management’s current expectations of future events and are subject to a number of risks and uncertainties that could cause actual results to differ
materially and adversely from those set forth in or implied by such forward-looking statements, many of which are beyond the Company’s control. These risks and uncertainties include, but are not limited to, the impact of the ongoing and
evolving COVID-19 pandemic on the Company’s business, strategy, clinical trials and financial position, strategy and anticipated milestones, including Immunocore’s ability to conduct ongoing and planned clinical trials; Immunocore’s ability
to obtain a clinical supply of current or future product candidates, including IMC-F106C, or commercial supply of KIMMTRAK or any future approved product, including as a result of the COVID-19 pandemic, war in Ukraine or global geopolitical
tension; Immunocore’s ability to obtain and maintain regulatory approvals for its product candidates, including KIMMTRAK and IMC-F106C; its ability to develop, manufacture and commercialize IMC-F106C and its other product candidates;
Immunocore’s ability and plans in continuing to establish and expand a commercial infrastructure and to successfully launch, market and sell KIMMTRAK and any future approved products; the delay of the IMC-F106C-101 trial or any other current
or planned clinical trials, whether due to the COVID-19 pandemic, patient enrollment delays or otherwise; Immunocore’s ability to successfully demonstrate the safety and efficacy of its product candidates and gain approval of its product
candidates on a timely basis, if at all; actions of regulatory agencies, which may affect the initiation, timing and progress of the IMC-F106C-101 trial and Immunocore’s other clinical trials or future regulatory approval; Immunocore’s need
for and ability to obtain additional funding, on favorable terms or at all, including as a result of rising inflation, interest rates and general market conditions, and the impacts thereon of the COVID-19 pandemic, war in Ukraine and global
geopolitical tension; Immunocore’s ability to obtain, maintain and enforce intellectual property protection for KIMMTRAK or any product candidates it is developing; unexpected safety or efficacy data observed during preclinical studies or
clinical trials, including the IMC-F106C-101 trial; clinical trial site activation or enrollment rates that are lower than expected; changes in expected or existing competition; and the success of Immunocore’s current and future
collaborations, partnerships or licensing arrangements. These and other risks and uncertainties are described in greater detail in the section titled "Risk Factors" in Immunocore’s filings with the Securities and Exchange Commission,
including Immunocore’s most recent Annual Report on Form 20-F for the year ended December 31, 2021 filed with the Securities and Exchange Commission on March 3, 2022, as well as discussions of potential risks, uncertainties, and other
important factors in the Company’s subsequent filings with the Securities and Exchange Commission. All information in this presentation is as of the date of the release, and the Company undertakes no duty to update this information, except as
required by law. Such risks may be amplified by the COVID-19 pandemic, war in Ukraine and related geopolitical tension, and their potential impacts on Immunocore’s business and the overall global economy. All forward-looking statements
contained in this presentation speak only as of the date on which they were made and should not be relied upon as representing its views as of any subsequent date. Except to the extent required by law, Immunocore undertakes no obligation to
update such statements to reflect events that occur or circumstances that exist after the date on which they were made. This presentation contains non-IFRS financial measures, including Adjusted Cash and Cash Equivalents, which have certain
limitations and should not be considered in isolation, or as alternatives or substitutes for, financial measures determined in accordance with IFRS. Certain information contained in this presentation relates to or is based on studies,
publications, surveys, and other data obtained from third-party sources and Immunocore’s own internal estimates and research. While Immunocore believes these third-party sources to be reliable as of the date of this presentation, it has not
independently verified, and makes no representation as to the adequacy, fairness, accuracy, or completeness of, any information obtained from third-party sources. KIMMTRAK™ is a trademark owned or licensed to Immunocore. 2