Volta SPAC Presentation Deck

Tortoise II Investment Thesis Tortoise Acquisition Corp.Il volta Tortoise Acquisition Corp.Il High Quality Business & Management Transformative Growth Opportunities Attractive ESG Attributes Tortoise II Approach to Long-Term Value Creation ● Tortoise II has identified Volta as a leader in the U.S. EV charging infrastructure market with a differentiated and durable business model that will appeal to the public markets 10 year operating history and experienced management Megatrend tailwinds including electrification, decarbonization, digital media and big data The global EV revolution will require more than 55 mm chargers and 525 TWh to 770 TWh of electricity in passenger and commercial sectors by 20301 Sustainability driven business model allows acceleration of a decarbonized transportation industry Over 88 million miles of free electric charging delivered to consumers Newly formed independent board of directors for pro forma company Focus on bilateral negotiated transaction rather than broadly marketed SPAC processes to provide win-win solution for all parties Value added sponsor team with public company and capital markets track record 57 1: Source: McKinsey & Company.

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