Investor Relations1001 Ridder Park DriveSan Jose CA 95131 USAPhone: 408-404-0606E-mail: investor.relations@lumentum.com
For stock certificates, change of address, etc:Computershare
By overnight delivery
Computershare211 Quality Circle, Suite 210College Station, TX 77845
Written requests
ComputershareP.O. Box 30170College Station, TX 77842-3170
Tel: 1-800-736-3001 (US, Canada, Puerto Rico)Tel: 1-781-575-3100 (non-US)E-mail: web.queries@computershare.comwww.computershare.com/investor