Corporate Offices: North America

Global Headquarters -- Cleveland

200 Public Square, Suite 3300
Cleveland, OH 44114

216.694.5700

Corporate Offices: Asia Pacific Iron Ore

Cliffs Natural Resources Pty. Ltd.: Bejing

Room 2101, Level 21
Tower 1, China World Trade Center
Bejing, China 100004

86.10.6505.3990

Cliffs Natural Resources Pty. Ltd.: Perth

Level 11, The Quadrant
1 William Street
Perth, Western Australia 6000
Postal Address: GPO Box w2017
Perth, WA 6846

618.9426.3333

Cliffs Natural Resources Pty. Ltd.: Tokyo

Toranomon Kogyo Bldg.
1-2-18 Torsnomon, Minato-Ku
Tokyo, Japan

81.3.3500.2774

U.S. Iron Ore

Empire Mine

P.O. Box 2000
Ishpeming, MI; 49849.0901

906.475.3600

Hibbing Taconite Company

P.O. Box 589
Hibbing, MN 55746

218.262.5950

Northshore Mining

10 Outer Drive
Silver Bay, MN 55614

218.226.4125

Tilden Mine

P.O. Box 2000
Ishpeming, MI 49849.0901

906.475.3400

United Taconite

P.O. Box 180
County Highway 16
Eveleth, MN 55734

218.744.7800

200 Public Square, Suite 3300, Cleveland. OH 44114-2544 - Phone: 216-694-5700