Investor Presentaiton

| Company Profile As of June 30, 2022 ■ Banking subsidiary: Cambridge Trust Company (1890) Private Bank & Wealth Management Firm ■ Headquarters: Harvard Square, Cambridge, MA ◉ Client Wealth Assets: $4.0 billion. Banking Assets: $5.1 billion Gross Loans: $3.5 billion Total Deposits: $4.3 billion ■ Noninterest income: 25% of revenue ■ NASDAQ: CATC Market Cap: $583 million* CAMBRIDGE BANCORP 3 *Market Cap is as of July 1, 2022.

View entire presentation