Comera SPAC Presentation Deck

Disclaimer (Continued) (.<) Comera LIFE SCIENCES Important Information About the Proposed Business Combination and Where to Find It In connection with the proposed business combination, Holdco intends to file a registration statement on Form S-4 (initially on a confidential basis) that will include a proxy statement of OTR and a prospectus of Holdco. The proxy statement/prospectus will be sent to all OTR and Comera stockholders. Holdco also will file other documents regarding the proposed business combination with the SEC. Before making any voting decision, investors and securities holders of OTR and Comera are urged to read the proxy statement/prospectus and all other relevant documents filed or that will be filed with the SEC in connection with the proposed business combination as they become available because they will contain im portant information about the proposed business combination and the parties to the proposed business combination. Investors and securities holders will be able to obtain free copies of the proxy statement/prospectus and all other relevant documents filed or that will be filed with the SEC by Holdco through the website maintained by the SEC at www.sec.gov. In addition, the documents filed by OTR may be obtained free of charge from OTR's website at https://www.otracquisition.com/ or by written request to OTR Acquisition Corp., 1395 Brickell Avenue, Suite 800, Miami, Florida 33131. Participants in the Solicitation Holdco, OTR and Comera and their respective directors and officers may be deemed to be participants in the solicitation of proxies from OTR's stockholders in connection with the proposed business combination. Information about OTR's directors and executive officers and their ownership of OTR's securities is set forth in OTR's filings with the SEC, including OTR's Annual Report on Form 10-K for the fiscal year ended December 31, 2020, which was filed with the SEC on March 3, 2021 as amended on December 13, 2021. To the extent that holdings of OTR's securities have changed since the amounts printed in OTR's Annual Report, such changes have been or will be reflected on Statements of Change in Ownership on Form 4 filed with the SEC. Additional information regarding the interests of those persons and other persons who may be deemed participants in the proposed business combination may be obtained by reading the proxy statement/prospectus regarding the proposed business combination when it becomes available. You may obtain free copies of these documents as described in the preceding paragraph. 4

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