X0306 4 2022-03-14 0 0001665988 Bioventus Inc. BVS 0001204391 CHURCH KATRINA J 4721 EMPEROR BOULEVARD, SUITE 100 DURHAM NC 27703 0 1 0 0 SVP & Chief Compliance Officer Class A Common Stock 2023-03-14 4 M 0 3456 A 5956 D Class A Common Stock 2023-03-15 4 S 0 1332 1.3886 D 4624 D Restricted Stock Units 2022-03-14 4 A 0 13823 0.00 A Class A Common Stock 13823 13823 D Restricted Stock Units 2022-03-14 4 M 0 3456 0.00 D Class A Common Stock 3456 10367 D Each restricted stock unit ("RSU") represents a contingent right to receive one share of Class A common stock. Reflects shares sold to cover taxes upon the vesting of the RSUs on March 14, 2023 pursuant to a standing 10b5-1 instruction. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $1.3692 to $1.423, inclusive. Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote. The original grant of 13,823 RSUs vest in four approximately equal annual installments beginning on March 14, 2023. /s/Anthony D'Adamio, Attorney-in-Fact 2023-03-16