Volta SPAC Presentation Deck

Risk Factors Risks Related to the Business Combination Both Tortoise II and Volta will incur significant transaction costs in connection with the Proposed Business Combination. The consummation of the Proposed Business Combination is subject to a number of conditions and if those conditions are not satisfied or waived, the Proposed Business Combination Agreement may be terminated in accordance with its terms and the Proposed Business Combination may not be completed. The ability to successfully effect the Proposed Business Combination and following the consummation of the Proposed Business Combination, the combined company's (the "Combined Company") ability to successfully operate the business thereafter will be largely dependent upon the efforts of certain key personnel of Volta, all of whom Volta expects to stay with the Combined Company following the consummation of the Proposed Business Combination. The loss of such key personnel could negatively impact the operations and financial results of the combined business. There is no guarantee that a stockholder's decision whether to redeem its shares for a pro rata portion of the Trust Account will put the stockholder in a better future economic position. If the Proposed Business Combination's benefits do not meet the expectations of investors or securities analysts, the market price of Tortoise Il's securities or, following the consummation of the Proposed Business Combination, the Combined Company's securities, may decline. There can be no assurance that the Combined Company's common stock will be approved for listing on the New York Stock Exchange (the "NYSE") or that the Combined Company will be able to comply with the continued listing standards of the NYSE. • Legal proceedings in connection with the Proposed Business Combination, the outcomes of which are uncertain, could delay or prevent the completion of the Proposed Business Combination. The Proposed Business Combination or Combined Company may be materially adversely affected by the on-going COVID-19 pandemic. Changes in laws or regulations, or a failure to comply with any laws and regulations, may adversely affect Volta's business, including our ability to consummate the Proposed Business Combination, and results of operations. . . . . . . volta Tortoise Acquisition Corp.ll 5

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