Additional Information and Where to Find It / Non-Solicitation

In connection with the proposed transaction, CM Life Sciences III intends to file a registration statement on Form S-4 with the SEC including the preliminary proxy statement/prospectus. The definitive proxy statement/prospectus will be sent to the stockholders of CM Life Sciences III. CM Life Sciences III and EQRx also will file other documents regarding the proposed transaction with the SEC. Before making any voting decision, investors and security holders of CM Life Sciences III are urged to read the registration statement, the proxy statement/prospectus, and all other relevant documents filed or that will be filed with the SEC in connection with the proposed transaction as they become available because they will contain important information about the proposed transaction. Investors and security holders will be able to obtain free copies of the registration statement, the proxy statement/prospectus and all other relevant documents filed or that will be filed with the SEC by CM Life Sciences III and EQRx through the website maintained by the SEC at www.sec.gov. 

The documents filed by CM Life Sciences III with the SEC also may be obtained free of charge at CM Life Sciences III’s website at https://iii.cmlifesciencesspac.com/ or upon written request to CM Life Sciences III, c/o Corvex Management, 667 Madison Ave, New York, NY 10065. 

Participants in Solicitation

CM Life Sciences III and EQRx and their respective directors and executive officers may be deemed to be participants in the solicitation of proxies from CM Life Sciences III’s stockholders in connection with the proposed transaction. Information about CM Life Sciences III’s directors and executive officers and their ownership of CM Life Sciences III’s securities is set forth in CM Life Sciences III’s filings with the SEC. To the extent that holdings of CM Life Sciences III’s securities have changed since the amounts printed in CM Life Sciences III’s Registration Statement on Form S-1, such changes have been or will be reflected on Statements of Change in Ownership on Form 4 filed with the SEC. A list of the names of such directors and executive officers and information regarding their interests in the business combination will be contained in the proxy statement/prospectus when available. You may obtain free copies of these documents as described in the preceding paragraph. 

No Offer or Solicitation

This press release is not a proxy statement or solicitation of a proxy, consent or authorization with respect to any securities or in respect of the potential transaction and shall not constitute an offer to sell or the solicitation of an offer to buy any securities, nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such jurisdiction. No offering of securities shall be made except by means of a prospectus meeting the requirements of Section 10 of the Securities Act, or an exemption therefrom.