Amprius Battery Technology and Expansion Plan

AMPRIUS & KENSINGTON Transaction Overview Overview • • . • • • • Founded in 2008, Amprius is a pioneer in the production of silicon nanowire anodes for high-energy density lithium-ion batteries Kensington Capital Acquisition Corp. IV (NYSE: KCAC.U, "Kensington") is a SPAC with $230 million of cash held in trust Amprius and Kensington are combining to expand the commercial battery production capabilities of Amprius Capital Structure Amprius shareholders are rolling 100% of their equity Transaction proceeds will be retained in the business and used for growth capital expenditures Pro forma for the transaction (assuming no redemptions): - Net transaction expenses, Amprius will have $390 million of pro forma cash to fund construction of its mass production manufacturing facility ($230 million Kensington cash in trust, plus $200 million additional equity capital, less $40 million in estimated transaction expenses) (1) Valuation Pro Forma Enterprise Value of $939 million Represents attractive entry relative to battery peer group Kensington has identified Amprius as a unique and compelling investment opportunity - Amprius has developed and is presently manufacturing a commercial silicon nanowire anode battery technology that is expected to enable the future of electric mobility (1) See Slide 4 for more information. To date, Kensington has not received any commitments from any PIPE investors. amprius 22 22

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