Exhibit 99.1 Pacific Premier Bancorp, Inc. Announces Third Quarter 2024 Financial Results and a Quarterly Cash Dividend of $0.33 Per Share Third Quarter 2024 Summary • Net income of $36.0 million, or $0.37 per diluted share • Return on average assets of 0.79% • Pre-provision net revenue ("PPNR") to average assets of 1.06%, annualized • Net interest margin of 3.16% • Average cost of deposits of 1.84%, and spot cost of deposits of 1.80% • Non-maturity deposits to total deposits of 84.30% • Non-interest bearin ...