0001157523-08-004853 8-K 2 20080605 2.02 9.01 20080605 20080605 CIENA CORP 0000936395 3661 232725311 DE 1031 8-K 34 000-21969 08881915 1201 WINTERSON ROAD LINTHICUM MD 21090 4108658500 1201 WINTERSON ROAD LINTHICUM MD 21090 8-K 1 a5702020.htm CIENA CORPORATION 8-K EX-99.1 2 a5702020_ex991.htm EXHIBIT 99.1