X0202 4 2007-11-20 0 0000936395 CIENA CORP CIEN 0001032553 SMITH GARY B C/O CIENA CORPORATION 1201 WINTERSON ROAD LINTHICUM, MD 21090 1 1 0 0 PRESIDENT, CEO Common Stock 2007-11-20 4 M 0 3840 19.95 A 97192 D Common Stock 2007-11-20 4 S 0 3840 41.7149 D 93352 D Non-Qualified Stock Option (right to buy) 19.95 2007-11-20 4 M 0 3840 0 D 2014-12-10 Common Stock 3840 19280 D Sales were effected pursuant to Rule 10b5-1 trading plan dated June 22, 2007. Reflects the average sale price of the total shares sold. Actual sale prices are as follows: 100 shares at $42.89; 100 shares at $42.28; 100 shares at $42.22; 100 shares at $42.05; 100 shares at $42.23; 100 shares at $42.14; 100 shares at $42.03; 100 shares at $41.92; 100 shares at $41.84; 100 shares at $42.08; 100 shares at $41.49; 100 shares at $41.39; 100 shares at $41.57; 140 shares at $41.38; 100 shares at $41.63; 100 shares at $41.80; 100 shares at $42.46; 100 shares at $41.93; 100 shares at $41.57; 100 shares at $41.46; 100 shares at $41.28; 100 shares at $41.17; 100 shares at $41.01; 100 shares at $40.97; 100 shares at $41.08; 100 shares at $41.31; 100 shares at $41.41; 100 shares at $41.32; 200 shares at $41.25; 100 shares at $41.43; 100 shares at $41.64; 100 shares at $42.20; 100 shares at $42.49; 100 shares at $42.19; 100 shares at $41.64; 100 shares at $41.14; and 100 shares at $42.16. Option is fully vested. By: Erik Lichter For: Gary B. Smith 2007-11-21