Quanergy SPAC Presentation Deck

Transaction overview TRANSACTION STRUCTURE USE OF PROCEEDS VALUATION CAPITAL STRUCTURE PRO FORMA OWNERSHIP ■ ■ ■ Working capital, debt pay-down and potential acquisitions ▪ Proceeds are expected to fully fund Quanergy's business plan ▪ Pro forma enterprise value of $1.1 billion post business combination ▪ 2.0x 2025E projected revenue of $549 million ▪ 5.6x 2025E projected EBITDA of $191 million ■ CCAC has proposed to enter into a business combination with Quanergy Systems, Inc. ("Quanergy") Quanergy existing shareholders will roll 100% of their equity ■ ■ Transaction is expected to be funded by a combination of cash held in trust of $276 million and net proceeds from a $40 million PIPE Expected to result in $278 million of net cash (1) to the balance sheet, assuming no redemptions from public shareholders Expected post transaction shareholding of 71.6% Quanergy shareholders, 5.1% founder shares, 20.4% CCAC public shareholders and 3.0% PIPE investors (2) (1) Estimated net cash is comprised of $276M cash in trust, $40M in PIPE proceeds and $33M of estimated Company cash at Closing, minus $35M in debt pay-down and $35M in estimated offering expenses. (2) Based on capital structure as of 6/8/21 assuming no shareholder redemptions and excluding warrants. Ownership figures do not add to 100.0% due to rounding. QUANERGY 5

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