In connection with the proposed transaction (the "Proposed Transaction") between Lumentum Holdings Inc. ("Lumentum") and Coherent, Inc. ("Coherent"), Lumentum plans to file with the U.S. Securities and Exchange Commission (the "SEC") a registration statement on Form S-4 that will include a joint proxy statement of Coherent and Lumentum and will constitute a prospectus with respect to shares of Lumentum's common stock to be issued to Coherent's stockholders at the completion of the Proposed Transaction (the "Joint Proxy Statement/Prospectus"). Coherent and Lumentum may also file other documents with the SEC regarding the Proposed Transaction.