Exhibit 99.1 COASTAL FINANCIAL CORPORATION ANNOUNCES SECOND QUARTER 2026 RESULTS Results Reflect Record Net Interest Income and Continued BaaS Growth, Offset by Credit Expenses Taken on Single Partner Relationship Company Release: July 30, 2026 Everett, WA – Coastal Financial Corporation (Nasdaq: CCB) (the "Company", "Coastal", "we", "our", or "us"), the holding company for Coastal Community Bank (the "Bank"), through which it operates a community-focused bank segment ("community bank") with an industry lea ...