X0303 4 2009-12-16 0 0000936395 CIENA CORP CIEN 0001360607 Aquino Michael Gerald C/O CIENA CORPORATION 1201 WINTERSON ROAD LINTHICUM, MD 21090 0 1 0 0 SR VP. Global Field Operations Common Stock 2009-12-16 4 A 0 48000 0 A 239088 D Reflects Restricted Stock Units (RSUs) that vest over four years, with one-sixteenth of the grant amount vesting on March 20, June 20, September 20, and December 20 of each year, commencing on March 20, 2010. Shares reported include unvested Restricted Stock Units (RSUs). By: Erik J. Lichter For: Michael G. Aquino 2009-12-17