Exhibit 99.1 HCI Group Reports First Quarter 2024 Results First Quarter Pre-Tax Income of $77.4 million First Quarter Diluted EPS of$3.81 First Quarter Gross Loss Ratio of 31.1% Tampa, Fla. – May 8, 2024 – HCI Group, Inc. (NYSE:HCI), a holding company with operations in homeowners insurance, information technology services, real estate, and reinsurance, reported pre-tax income of $77.4 million and net income of$57.0 million, or $3.81 diluted earnings per share, in the first quarter of 2024, compared with ...