144 0002003203 XXXXXXXX LIVE 0001868726 OLAPLEX HOLDINGS, INC. 001-40860 432 PARK AVENUE SOUTH THIRD FLOOR NEW YORK NY 10016 3106910776 Amanda Baldwin Officer Director Common Morgan Stanley Smith Barney LLC Executive Services

200 W Civic Center Dr - 4th Floor Sandy UT 84070

360437 472172.47 667511905 12/12/2025 NASDAQ Common 12/11/2025 Restricted Stock Units Issuer N 360437 12/11/2025 Compensation Y Represents an estimate of shares expected to be sold pursuant to an automatic "sell to cover" transaction to cover tax withholding obligations and fees arising due to the vesting of restricted stock units on December 11, 2025. Such sell to cover transaction does not represent a discretionary trade by the Reporting Person. The actual number of shares sold will depend on the sale price of the Issuer's common stock in such transaction. 12/12/2025 /s/ John Duffy, attorney-in-fact