Ciena Corporation Announces Pricing of Upsized Convertible Senior Notes

Ciena® Corporation (NYSE: CIEN) (the “Company”), the global leader in high-speed connectivity, today announced that it has priced its private offering (the “Offering”) of $2.5 billion aggregate principal amount of 0.00% convertible senior notes due 2031 (the “Notes”). The Notes will be fully and unconditionally guaranteed, on a senior unsecured basis, by each wholly-owned domestic subsidiary of Ciena that currently or in the future guarantees its 4.00% senior notes due 2030 or any refinancing of such notes (the “guarantees”). The size of the Offering was increased from the previously announced $2.0 billion aggregate principal amount of Notes. The Company also granted to the initial purchasers of the Notes an option to purchase up to an additional $375.0 million aggregate principal amount of the Notes within a 13-day period beginning on, and including, the first date on which the Notes are issued. The Offering and the convertible note hedge and warrant transactions described below are expected to close on June 11, 2026, subject to customary closing conditions. The closing of the Offering is not contingent upon the closing of such convertible note hedge and warrant transactions.