Exhibit 99.1 Heritage Reports First Quarter 2026 Results Tampa, FL – May 7, 2026: Heritage Insurance Holdings, Inc. (NYSE: HRTG) ("Heritage" or the "Company"), a super-regional property and casualty insurance holding company, today reported first quarter of 2026 financial results. First Quarter 2026 Result Highlights Ernie Garateix, Heritage's CEO, commented, "Our first quarter was the most profitable first quarter for the Company since becoming public in 2014. Our net loss ratio was also the lowest deliver ...