Thompson Creek Metals Company - Share Structure

September 30, 2011

Security	Common Shares on Exercise (000's)

Issued and Outstanding	167,889
Warrants - TCM.WT⁽¹⁾	24,503
Warrants - TRX.WT⁽²⁾	420
Options⁽³⁾	4,333
Restricted Stock Units	325
Performance Share Units	540

Fully Diluted	198,010

⁽¹⁾ Exercise price C$9.00; expiration date 10/23/11.
⁽²⁾ Exercise price C$0.85; expiration date 06/23/12 (C$0.90 plus 0.052 Thompson Creek share per 1 Terrane share).
⁽³⁾ Exercise price C$7.12 to C$23.93; expiration dates 11/18/11 - 08/04/16.

For the calculation of net income or loss per share in the third quarter and first nine months of 2011 statements, Thompson Creek used the following unaudited numbers for weighted-average common shares outstanding as determined according to rules specified under United States Generally Acceptable Accounting Principles:

Note: The weighted-average basic shares outstanding are used to compute diluted earnings per share when there is a loss before taxes.

Third quarter 2011 basic shares outstanding	167,871,271
Third quarter 2011 diluted shares outstanding	168,533,428
Year to date 2011 basic shares outstanding	166,904,232
Year to date 2011 diluted shares outstanding	174,947,286

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