Exhibit 99.1 Xtant Medical Announces Record Full Year 2023 Revenue of $91.3 Million Establishes Full Year 2024 Revenue Guidance of $112 Million - $116 Million BELGRADE, MT, April 1, 2024 – 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 fourth quarter and year ended December 31, 2023. “2023 was a transformative year for Xtant Medical. We achieved ...