X0306 4 2019-08-22 0 0001633978 Lumentum Holdings Inc. LITE 0001648170 Hamel Judy G C/O LUMENTUM HOLDINGS INC. 400 NORTH MCCARTHY BLVD. MILPITAS CA 95035 0 1 0 0 SVP, GC and Secretary Common Stock 2019-08-22 4 A 0 7934 0.00 A 60259 D Common Stock 2019-08-28 4 S 0 2672 56.74 D 57587 D Represents the acquisition of performance stock units ("PSUs") upon the determination of the Board of Directors of the Issuer that the performance conditions were met with respect to PSUs granted to the Reporting Person on November 8, 2018. The PSUs vest as to 1/3 of the shares on August 28, 2019, and the remaining shares shall vest in eight equal quarterly installments thereafter on the 15th of November, February, May and August, subject to the Reporting Person continuing to be an employee through each such date, or as provided under the Issuer's 2015 Equity Incentive Plan These shares were sold to cover tax withholding obligations in connection with the vesting of restricted stock units and PSUs. /s/ Judy G. Hamel 2019-08-30