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Stock history & transfer agent info

2-for-1 Stock Split

Stockholders of Record August 28, 2000
Price Before Split $207.00
Price After Split $103.50
Distribution Date September 18, 2000
Split Ratio 2-for-1


7-for-1 Reverse Stock Split

Stockholders of Record September 22, 2006
Price Before Reverse Split $4.29
Price After Reverse Split $29.68
First Trading Date Following Reverse Split Effectiveness September 25, 2006
Reverse Split Ratio 1-for-7


Transfer Agent Information

All information and inquiries regarding stock certificates should be directed to:

Stockholder Services
Computershare Investor Services
P. O. Box 43078
(Name of TDe Company Stock Owned)
Providence, RI 02940-3078

Computershare Stockholder Services: (781) 575-2879

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

Stock Information

Ticker CIEN
Exchange NASDAQ
Price $12.80
Change - 0.01
Volume 5,815,100
Sep 2, 2010 - 4:00 PM ET