| Disclaimer This presentation has been prepared by Sigilon Therapeutics, Inc. (“we,” “us,” “our,” “Sigilon” or the “Company”) and is made fo r informational purposes only and not for any other purpose. Certain information contained in this presentation and statements made orally during this presentation relate to or are based on studies, publications, surveys and other data obtained from third - party sources and the Company’s own internal estimates and research. The Company has not inde pendently verified, and Sigilon makes no representation as to the adequacy, fairness, accuracy or completeness of, any information obtained from third - party sources. The Company’s internal research has not been verified by any independent source. This presentation contains forward - looking statements. All statements other than statements of historical facts contained in thi s presentation are forward - looking statements. In some cases, you can identify forward - looking statements by terms such as “may,” “will,” “should,” “expect,” “plan,” “anticipa te,” “could,” “intend,” “target,” “project,” “contemplate,” “believe,” “estimate,” “predict,” “potential” or “continue” or the negative of these terms or other similar ex pre ssions, although not all forward - looking statements contain these words. Forward - looking statements include, but are not limited to, statements concerning: our current c ash runway; the initiation, timing, progress and results of our research and development programs, preclinical studies and clinical trials, including the timing of our cl ini cal trial for SIG - 005 and the submission of INDs or CTAs for SIG - 005 and our other product candidates; our ability to advance any product candidates that we may develop and success fully complete any clinical studies, including the manufacture of any such product candidates; our ability to leverage our initial programs to develop additional product ca ndi dates using our SLTx platform; and our ability to successfully scale our manufacturing capabilities. Any forward - looking statements represent the Company’s views only as of to day and should not be relied upon as representing its views as of any subsequent date. The Company explicitly disclaims any obligation to update any forward - looking statements, except as required by law. The Company’s business is subject to substantial risks and uncertainties that could cause these statements to be inaccurate. Appl ica ble risks and uncertainties include, among others, that we have incurred significant losses since inception and our need for additional funding; if we fail to achieve t he expected financial and operational benefits of our corporate restructuring, the results of our investigation of the preliminary results of our Phase 1/2 clinical trial of SIG - 001 in Hemophilia A or failure of SIG - 005 in clinical development could adversely effect our business and may require us to discontinue or delay development of other product candi dat es, which are all based on the same SLTx platform; there may be SAEs in addition to the SAE reported in our Phase 1/2 clinical trial of SIG - 001 in Hemophilia A, other un desirable side effects related to our product candidates or clinical studies, or limited efficacy of product candidates arising from our SLTx platform; the SLTx platform consists of novel technologies that are not yet clinically validated for human therapeutic use; that we do not have any results from the testing of any of our product candidates in cli nic al trials other than SIG - 001 and any favorable preclinical results are not predictive of results that may be observed in clinical trials; we may be unable to obtain and mai nta in patent protection and other intellectual property rights for SIG - 005 or any other product candidates and for our SLTx platform, or the scope of the patent and other intellectual property protection obtained may not be sufficiently broad; the FDA or other regulators may request additional preclinical studies or clinical trials beyond those th at we currently anticipate for SIG - 005 or other product candidates, that manufacturing changes may not have the desired effect; and other risks and uncertainties identified und er the heading “Risk Factors” and in our Annual Report on Form 10 - K for the year ended December 31, 2021 and in any subsequent filings with the Securities and Exchange C ommission. 1 Non - Confidential |