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IR Contacts

Primary IR Contact

Gregg Lampf
Investor Relations

Phone: 877-243-6273

E-mail: ir@ciena.com

Transfer Agent

Computershare Trust Company, N.A.
P.O. Box 43078
Providence, RI 02940-3078

Phone: (781) 575-2879

Corporate Website: http://www.computershare.com