Ciena and Cyan, Inc. Announce Termination of Hart-Scott-Rodino Waiting Period for Ciena's Acquisition of Cyan

Ciena® Corporation

and Cyan, Inc.

, today announced that early termination of the waiting period under the Hart-Scott-Rodino Antitrust Improvements Act of 1976 (the "HSR Act") has been granted, effective June 15, 2015, for Ciena's planned acquisition of Cyan. This Smart News Release features multimedia. View the full release here: http://www.businesswire.com/news/home/20150616005441/en/ Expiration of the waiting period under the HSR Act satisfies one of the conditions necessary for the consummation of the merger. The transaction remains subject to other closing conditions, including certain approvals of Cyan stockholders at its annual meeting currently expected to be held on Friday, July 31, 2015. The parties continue to expect that this transaction will close during the third quarter of calendar year 2015.