CM Seven Star Acquisition Corporation Announces that Ordinary Shares, Warrants and Rights to Commence Separate Trading on or about November 6, 2017

Underwriters exercise portion of over-allotment option

CM Seven Star Acquisition Corporation CMSSU the "Company"), today announced that holders of the Company's units may elect to separately trade the ordinary shares, warrants and rights included in its units commencing on or about November 6, 2017.

The ordinary shares, warrants and rights will trade on the NASDAQ Capital Market ("NASDAQ") under the symbols CMSS, CMSSW and CMSSR, respectively. Units not separated will continue to trade on NASDAQ under the symbol CMSSU.

On November 2, 2017, the underwriters from the Company's initial public offering exercised the over-allotment option in part (for an aggregate of 2,636,293 over-allotment option Units), which will be sold at an offering price of $10.00 per Unit, generating gross proceeds of $26,362,930. The sale of the 2,636,293 over-allotment Units is expected to close on November 3, 2017. Also on November 2, 2017, the underwriters canceled the remainder of the over-allotment option.

A registration statement on Form S-1 (No. 333-220510) relating to the securities offered and sold in the initial public offering was declared effective by the Securities and Exchange Commission on October 25, 2017. This press release shall not constitute an offer to sell or a solicitation of an offer to buy, nor shall there be any sale of these securities in any state or jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state or jurisdiction. Copies of the final prospectus for this offering may be obtained by mail from EarlyBirdCapital, Inc., 366 Madison Avenue, 8th Floor, New York, NY 10017, Attn: Syndicate Department, 212-661-0200. The registration statement and a copy of the final prospectus relating to the initial public offering may also be accessed via the Securities and Exchange Commission's website at http://www.sec.gov.

About CM Seven Star Acquisition Corporation

The Company is a blank check company for the purpose of entering into a merger, share exchange, asset acquisition, share purchase, recapitalization, reorganization or similar business combination with one or more businesses or entities. The Company's efforts to identify a prospective target business will not be limited to a particular industry or geographic region.

Forward Looking Statements

This press release includes forward-looking statements that involve risks and uncertainties. Forward looking statements are statements that are not historical facts. Such forward-looking statements, including the successful consummation of the Company's initial public offering, are subject to risks and uncertainties, which could cause actual results to differ from the forward looking statements. The Company expressly disclaims any obligations or undertaking to release publicly any updates or revisions to any forward-looking statements contained herein to reflect any change in the Company's expectations with respect thereto or any change in events, conditions or circumstances on which any statement is based.

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