Exhibit 99.1 Xtant Medical Reports First Quarter 2024 Revenue Growth of 55% and Raises Full Year 2024 Revenue Guidance Expects Revenue for Full Year 2024 of $116 Million to $120 Million BELGRADE, MT, May 15, 2024 (GLOBE NEWSWIRE) -- Xtant Medical Holdings, Inc. (NYSE American: XTNT), a global medical technology company focused on surgical solutions for the treatment of spinal disorders, today reported financial and operating results for the first quarter ended March 31, 2024. First Quarter 2024 Financial Hi ...