Exhibit 99.1 NEWS RELEASE TO BUSINESS EDITOR: PEOPLES FINANCIAL SERVICES CORP. Reports Unaudited Third Quarter and Year to Date 2025 Earnings Moosic, PA, October 30, 2025/PRNEWSWIRE/ – Peoples Financial Services Corp. ("Peoples" or the "Company") (NASDAQ: PFIS), the bank holding company for Peoples Security Bank and Trust Company (the "Bank"), today reported unaudited financial results at and for the three and nine months ended September 30, 2025. Peoples reported net income of $15.2 million, or$1.51 per d ...