X0306 4 2019-10-15 0 0001453593 Xtant Medical Holdings, Inc. XTNT 0001790461 Browne Sean E 664 CRUISER LANE BELGRADE MT 59714 0 1 0 0 President and CEO Common Stock, $0.000001 par value 2019-10-15 4 A 0 329044 0 A 329044 D Stock Option 2.7 2019-10-15 4 A 0 329044 0 A 2029-10-15 Common Stock 329044 329044 D These shares will vest and be issued with respect to 65,809 shares on each of October 15, 2020, October 15, 2021, October 15, 2022 and October 15, 2023 and with respect to 65,808 shares on October 15, 2024 pursuant to a restricted stock unit award granted under the Xtant Medical Holdings, Inc. 2018 Equity Incentive Plan, conditioned upon the reporting person remaining an employee of Xtant through the vesting date. This option vests with respect to 65,809 shares on each of October 15, 2020, October 15, 2021, October 15, 2022 and October 15, 2023 and with respect to 65,808 shares on October 15, 2024 pursuant to an option award granted under the Xtant Medical Holdings, Inc. 2018 Equity Incentive Plan, conditioned upon the reporting person remaining an employee of Xtant through the vesting date. /s/ Sean E. Browne 2019-10-15