Avenida Del Libertador 7208
C1429BMS Buenos Aires
Argentina

Av. das Nações Unidas,
14171, 15º andar – Morumbi,
São Paulo, 
04794-000 Brasil

Avenida Carrera 9 115-06
Bogota,  Colombia 110111

Av. Insurgentes Sur #1685-601
Col. Guadalupe Inn C.P. 01020
Del. Alvaro Obregon
Mexico, D.F. 06500
Mexico

Av. Insurgentes Sur #1685-601
Col. Guadalupe Inn C.P. 01020
Del. Alvaro Obregon
Mexico, D.F. 06500
Mexico

Libramiento Carretera a la Base Aerea 5850
Zapopan, JAL 45138
Mexico

Langebrogade 5
DK-1411
Copenhagen
Denmark

27/33 quai Alphonse le Gallo
Boulogne Billancourt  92100
France

The Squaire Business Centre
7th floor (Rooms 723/724)
Am Flughafen 12, 
Frankfurt, 60549

SeeStatt Bahnhofsplatz 3
88045 Friedrichshafen
Deutschland

Ciena Israel Ltd.
94A Igal Alon St.
Tel Aviv 6789155
Israel

Regus
410, Piazzale Biancamano 8,
Milano  20121
Italy

Ciena Ltd. – Dutch Branch
The Base B
Evert van de Beekstraat 1-104
1118 CL Schiphol
The Netherlands

Offices J and K (Level 6)
Business center “Millenium House”
12 Trubnaya Street
Moscow, 107045
Russian Federation

ul. Petrovskaya 89-B
Southern Federal District
Taganrog, 347900
Russian Federation

Faisaliah Tower, Level 18
King Fahed Hwy
Riyadh, 11524
Saudi Arabia

Ave. de Europa 19 3A
Parque Empresarial La Moraleja
Madrid 28108
Spain

Corporate Sky Tower
PO Box 25291
Abu Dhabi
UAE

Reef Tower, Unit 1901 - Level 19
Cluster O Jumeirah Lakes Towers
Dubai, UAE

Park house
87-91 Great Victoria Street
Belfast BT2 7AG
United Kingdom

Stapleton House

29-33 Scrutton St.

London EC2A 4HU

Units 10, 11 and 12

United Kingdom

The Bard, 11th Floor
20 Curtain Road 
Shoreditch
London EC2A 3NG

19A Canning Street
Edinburgh, EH3 8EG
United Kingdom

Fountain House
2 Queens Walk, 8th Floor
Reading, RG1 7QF
United Kingdom

1 Innovation Road, Level 3
Macquarie Park, NSW 2109
Australia

Ciena Australia Pty Limited
1 Innovation Road, Level 3
Macquarie Park, NSW 2113
Australia

8 Queen's Road East,
Wanchai,
Hong Kong,
China

Ciena International, Inc
BEA Finance Tower
Level 8 (Units 812 & 815)
No. 66 Huayuan Shiqiao Road
Pudong New District
Shanghai 200120
China

Plot No 13
Sector-32
Echelon Institutional Area
Gurgaon - 122001, Haryana
India

Plot No 14
Sector-32
Echelon Institutional Area
Gurgaon - 122001, Haryana
India

301, 3rd floor, Windsor House, off  CST Road,
Kalina, Santacruz (E), Mumbai:  400098.
India

Ciena Communications Inc.
Suite 20, One Pacific Place , 15th Floor, JI Jend, Sudirman Kav
52-53, Jakarta, Indonesia 12190

Pacific Century Place Marunouchi 26F
1-11-1 Marunouchi
Chiyoda, Tokyo, 100-6226
Japan

Ciena Communications (Malaysia) Sdn. Bhd.

Registration Number - 201001027313 (911232-D)

Level 21, The Gardens South Tower,

Mid Valley City, Lingkaran Syed Putra,

59200 Kuala Lumpur, Malaysia.

Commercial Bay Center
Level 18, Commercial Bay Tower
11-19 Customs Street West
Auckland 1010
New Zealand

7/F Glorietta 4,
Ayala Center,
Makati City 1224,
Philippines

12 Marina View,
Asia Square Tower 2, #19-03
Singapore 018961

Keungil Tower Bldg., Suite 1503, 15th Floor
677-25, Yeoksam-dong, Gangnam-ku
Seoul
South Korea

Ciena Communication (Thailand) Limited
Suite 1820, Level 18, Park Ventures Ecoplex,
57 Wireless Road,
Lumpini, Patumwan,
Bangkok-10330

4th Floor, Elcom Building
Alley 15, Duy Tan Street
Cau Giay District
Hanoi City
Vietnam