Adicet Bio, Inc.

This Quarterly Report on Form 10-Q contains forward-looking statements that involve substantial risks and uncertainties. All statements, other than statements of historical facts, contained in this Quarterly Report on Form 10-Q, including statements regarding our strategy, future operations, future financial position, future revenue, projected costs, prospects, plans and objectives of management and expected market growth are forward-looking statements. The words “anticipate,” “believe,” “continue,” “could,” “estimate,” “expect,” “intend,” “may,” “plan,” “potential,” “predict,” “project,” “should,” “target,” “would” and similar expressions are intended to identify forward-looking statements, although not all forward-looking statements contain these identifying words.

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the timing of and our ability to execute our clinical trials for ADI-001 in autoimmune indications, including the ability to successfully complete our Phase 1 clinical trial in lupus nephritis (LN) and initiate Phase 1 clinical trials in lupus erythematosus (SLE), systemic sclerosis (SSc), antineutrophil cytoplasmic autoantibody associated vasculitis (AAV), idiopathic inflammatory myopathy (IIM) and stiff person syndrome (SPS);

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the timing, costs and effects of our workforce reduction and strategic pipeline prioritization;

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our expectations regarding the preclinical development of ADI-212, and our ability to develop other product candidates in our research pipeline;

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our expectations regarding site activation and enrollment for and the availability, timing and announcement of data from our Phase 1 clinical trials for ADI-001;

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our expectations regarding discussions with the U.S. Food and Drug Administration (FDA) and the European Medicines Agency (EMA) of a potential path to support Biologics License Applications (BLA) and Marketing Authorization Applications (MAA) for our product candidates;

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the anticipated timing of our submission of Investigational New Drug (IND) applications or equivalent regulatory filings and initiation of future clinical trials, including the timing of the anticipated results;

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our expectations regarding the impact of unstable market and economic conditions, including impacts of inflation, tariffs and adverse developments affecting the financial services industry, on our business, results of operations or financial conditions;

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the rate and degree of acceptance and clinical utility of any products for which we receive regulatory approval;

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our expectations regarding the manufacturing of our product candidates and any products for which we receive regulatory approval by us or by our third-party suppliers;

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our intellectual property position and strategy;

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our ability to identify additional product candidates with significant commercial potential;

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our plans to enter into collaborations for the development and commercialization of product candidates;

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the potential benefits of any current and future collaboration;

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our research and development activities outside of the United States, including in China, and related contractual relationships;

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our financial performance;

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our expectations related to the use of cash, cash equivalents and short-term investments in treasury securities;

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our ability to comply with the listing requirements of Nasdaq;

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the impact of government laws and regulations; and

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We may not actually achieve the plans, intentions or expectations disclosed in our forward-looking statements, and you should not place undue reliance on our forward-looking statements. Actual results or events could differ materially from the plans, intentions and expectations disclosed in the forward-looking statements we make. We have included important factors in the cautionary statements included in this Quarterly Report on Form 10-Q, particularly in the “Risk Factors” section, that could cause actual results or events to differ materially from the forward-looking statements that we make. Our forward-looking statements do not reflect the potential impact of any future acquisitions, mergers, dispositions, collaborations, joint ventures or investments that we may make or enter into.

You should read this Quarterly Report on Form 10-Q and the documents that we reference herein and have filed or incorporated by reference as exhibits hereto completely and with the understanding that our actual future results may be materially different from what we expect. We do not assume any obligation to update any forward-looking statements, whether as a result of new information, future events or otherwise, except as required by law.

This Quarterly Report on Form 10-Q includes statistical and other industry and market data that we obtained from industry publications and research, surveys and studies conducted by third parties. Industry publications and third-party research, surveys and studies generally indicate that their information has been obtained from sources believed to be reliable, although they do not guarantee the accuracy or completeness of such information. We are responsible for all of the disclosure contained in this Quarterly Report on Form 10-Q, and we believe these industry publications and third-party research, surveys and studies are reliable.