Stem SPAC Presentation Deck

stem Our Vision: Smart Storage is Key to Global Decarbonization A revolutionized grid, with Stem, is the solution Grid Since 2019, 90% of new interconnection requests were renewables and/or storage, but renewable generation suffers from intermittency(1) Distributed, renewable generation is supplementing and replacing traditional generation (1) Wood Mackenzie Energy Storage Service. (2) Bloomberg New Energy Finance. Storage ÒÒÒ Battery production is becoming cheaper and more commercialized STEM |||| Energy storage is key to the build out of renewable generation, and represents a $1.2 trillion revenue opportunity through 2050(2) 1 Confidential 7 Battery optimization is difficult. Energy intelligence amplifies performance by anticipating demand cycle, energy prices, generation profile and other factors in real time

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