Participants in Solicitation This communication is not a solicitation of a proxy from any investor or securityholder. However, Tuscan, Microvast, and certain of their directors and executive officers may be deemed to be participants in the solicitation of proxies in connection with the Proposed Transaction under the rules of the SEC. Information about Tuscan's directors and executive officers and their ownership of Tuscan's securities is set forth in Tuscan's filings with the SEC, including Tuscan's Annual Report on Form 10-K for the fiscal year ended December 31, 2019, which was filed with the SEC on March 13, 2020. To the extent that holdings of Tuscan's securities have changed since the amounts included in Tuscan'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 participants will also be included in the proxy statement, when it becomes available.