annual report 2014

Notes to Investors

Differentiated performance

Normalized

Revenue

Normalized Non-GAAP

Gross Profit

Normalized Non-GAAP

Operating Profit

Ciena      Industry Average¹

Ciena’s positioning has led to strong outperformance.

1. Industry Average includes Alcatel-Lucent, Cisco, Ericsson, Juniper, Adtran, ADVA and Infinera based on indexed relative performance representing the rate of

    change for each measure.

Source: Publicly available financial reports for companies included in the industry average.

Note: Ciena completed the acquisition of substantially all of the optical networking and Carrier Ethernet assets of Nortel’s+ Metro Ethernet Networks business on

March 19, 2010.

Next-gen networking market share

Next-Gen Networking²

North America

Next-Gen Networking²

Global

CIENA

FUJITSU

ALU

CORIANT (TELLABS)

INFINERA

CISCO

ZTE

HUAWEI

Our focused innovation has resulted in strong share gains.

2. Long-haul WDM + metro WDM + optical switching.

Source: Dell’Oro Group, 2Q14 Optical Report.