Exhibit 99.1 Dorman Products, Inc. Reports Second Quarter 2025 Results and Raises Full Year 2025 Guidance Highlights (All comparisons are to the prior year period unless otherwise noted): COLMAR, PA (August 4, 2025) – Dorman Products, Inc. (the "Company" or "Dorman") (NASDAQ: DORM), a leading supplier in the motor vehicle aftermarket industry, today announced its financial results for the second quarter ended June 28, 2025. Kevin Olsen, Dorman's President and Chief Executive Officer, stated, "We had an outs ...