[FORM OF FACE OF EXCHANGE NOTE] THOMPSON CREEK METALS COMPANY INC.

Exhibit 4.3

[FORM OF FACE OF EXCHANGE NOTE]

THOMPSON CREEK METALS COMPANY INC.

UNLESS THIS CERTIFICATE IS PRESENTED BY AN AUTHORIZED REPRESENTATIVE OF THE DEPOSITORY TRUST COMPANY, A NEW YORK CORPORATION (“DTC”), NEW YORK, NEW YORK, TO THE ISSUER OR ITS AGENT FOR REGISTRATION OF TRANSFER, EXCHANGE OR PAYMENT, AND ANY CERTIFICATE ISSUED IS REGISTERED IN THE NAME OF CEDE & CO. OR SUCH OTHER NAME AS IS REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF DTC (AND ANY PAYMENT IS MADE TO CEDE & CO., OR TO SUCH OTHER ENTITY AS IS REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF DTC), ANY TRANSFER, PLEDGE OR OTHER USE HEREOF FOR VALUE OR OTHERWISE BY OR TO ANY PERSON IS WRONGFUL INASMUCH AS THE REGISTERED OWNER HEREOF, CEDE & CO., HAS AN INTEREST HEREIN.

TRANSFERS OF THIS GLOBAL SECURITY SHALL BE LIMITED TO TRANSFERS IN WHOLE, BUT NOT IN PART, TO DTC, TO NOMINEES OF DTC OR TO A SUCCESSOR THEREOF OR SUCH SUCCESSOR’S NOMINEE AND TRANSFERS OF PORTIONS OF THIS GLOBAL SECURITY SHALL BE LIMITED TO TRANSFERS MADE IN ACCORDANCE WITH THE RESTRICTIONS SET FORTH IN THE INDENTURE REFERRED TO ON THE REVERSE HEREOF.

GLOBAL NOTE

7.375% Senior Notes due 2018

THOMPSON CREEK METALS COMPANY INC.

promises to pay to CEDE & CO. or registered assigns the principal sum set forth on the Schedule of Exchanges of Interests attached hereto on June 1, 2018.

Interest Payment Dates:  June 1 and December 1, commencing December 1, 2011

Record Dates:  May 15 and November 15

IN WITNESS HEREOF, the Company has caused this instrument to be duly executed.

CERTIFICATE OF AUTHENTICATION

This is one of the Notes referred to in the within-mentioned Indenture:

Dated:

[Reverse Side of Note]

7.375% Senior Notes due 2018

Capitalized terms used herein shall have the meanings assigned to them in the Indenture referred to below unless otherwise indicated.

1.             INTEREST.  Thompson Creek Metals Company Inc., a British Columbia corporation (the “Company”), promises to pay interest on the principal amount of this Note at 7.375% per annum from and including May 20, 2011 until but excluding maturity.  The Company shall pay interest semi-annually in arrears on June 1 and December 1, of each year, or if any such day is not a Business Day, on the next succeeding Business Day (each, an “Interest Payment Date”).  Interest on the Notes shall accrue from the most recent date to which interest has been paid or, if no interest has been paid, from and including the date of original issuance; provided that the first Interest Payment Date shall be December 1, 2011.  The Company shall pay interest (including post-petition interest in any proceeding under any Bankruptcy Law) on overdue principal and premium, if any, from time to time on demand at the interest rate on the Notes; it shall pay interest (including post-petition interest in any proceeding under any Bankruptcy Law) on overdue installments of interest (without regard to any applicable grace periods) from time to time on demand at the interest rate on the Notes.  Interest shall be computed on the basis of a 360-day year comprised of twelve 30-day months.

2.             METHOD OF PAYMENT.  The Company shall pay interest on the Notes to the Persons who are registered holders of Notes at the close of business on the May 15 or November 15 (whether or not a Business Day), as the case may be, immediately preceding the related Interest Payment Date, even if such Notes are canceled after such Record Date and on or before such Interest Payment Date, except as provided in Section 2.12 of the Indenture with respect to defaulted interest.  Principal, premium, if any, and interest on the Notes shall be payable at the office or agency of the Company maintained for such purpose; provided that payment by wire transfer of immediately available funds shall be required with respect to principal, premium, if any, and interest on all Global Notes and all other Notes the Holders of which shall have provided wire transfer instructions to the Company or the Paying Agent at least five Business Days prior to the applicable payment date.  Such payment shall be in such coin or currency of the United States of America as at the time of payment is legal tender for payment of public and private debts.

3.             PAYING AGENT AND REGISTRAR.  Initially, Wells Fargo Bank, National Association, the Trustee under the Indenture, shall act as Paying Agent and Registrar.  The Company may change any Paying Agent or Registrar without notice to the Holders.  The Company or any Wholly-Owned Subsidiary incorporated or organized within the United States of America may act as Paying Agent (except for purposes of Section 8) or Registrar.

4.             INDENTURE.  The Company issued the Notes under an Indenture, dated as of May 20, 2011 (the “Indenture”), among Thompson Creek Metals Company Inc., the Guarantors named therein and the Trustee.  This Note is one of a duly authorized issue of notes of the Company designated as its 7.375% Senior Notes due 2018.  The Company shall be entitled to issue Additional Notes pursuant to Section 2.01 and 4.09 of the Indenture.  The Notes and any Additional Notes issued under the Indenture shall be treated as a single class of securities under the Indenture.  The terms of the Notes include those stated in the Indenture (which for greater certainty includes the right of exchange of the Notes provided in Appendix A to the Indenture, which is an express term of this Note)  and those made part of the Indenture by reference to the Trust Indenture Act of 1939, as amended (the “Trust Indenture Act”).  The Notes are subject to all such terms, and Holders are referred to the Indenture and the Trust Indenture Act for a statement of such terms.  Any term used in this Note that is defined in the Indenture shall have the meaning assigned to it in the Indenture.  To the extent any provision of this Note conflicts with the express provisions of the Indenture, the provisions of the Indenture shall govern and be controlling.

5.             REDEMPTION AND REPURCHASE.  The Notes are subject to optional redemption, and may be the subject of an Offer to Purchase, as further described in the Indenture.  The Company shall not be required to make mandatory redemption or sinking fund payments with respect to the Notes.

6.             DENOMINATIONS, TRANSFER, EXCHANGE.  The Notes are in registered form without coupons in denominations of $2,000 and integral multiples of $1,000 in excess thereof.  The transfer of Notes may be registered and Notes may be exchanged as provided in the Indenture.  The Registrar and the Trustee may require a Holder, among other things, to furnish appropriate endorsements and transfer documents, and Holders shall be required to pay any taxes and fees required by law or permitted by the Indenture.  The Company need not exchange or register the transfer of any Note or portion of a Note selected for redemption, except for the unredeemed portion of any Note being redeemed in part.

7.             PERSONS DEEMED OWNERS.  The registered Holder of a Note may be treated as its owner for all purposes.

8.             AMENDMENT, SUPPLEMENT AND WAIVER.  The Indenture, the Note Guarantees or the Notes may be amended or supplemented as provided in the Indenture.

9.             DEFAULTS AND REMEDIES.  The Events of Default relating to the Notes are defined in Section 6.01 of the Indenture.  Upon the occurrence of an Event of Default, the rights and obligations of the Company, the Guarantors, the Trustee and the Holders shall be as set forth in the applicable provisions of the Indenture.

10.           AUTHENTICATION.  This Note shall not be entitled to any benefit under the Indenture or be valid or obligatory for any purpose until authenticated by the manual signature of the Trustee.

11.           GOVERNING LAW.  THIS NOTE WILL BE GOVERNED BY, AND CONSTRUED IN ACCORDANCE WITH, THE LAWS OF THE STATE OF NEW YORK.

23.           CUSIP AND ISIN NUMBERS.  Pursuant to a recommendation promulgated by the Committee on Uniform Security Identification Procedures, the Company has caused CUSIP and ISIN numbers to be printed on the Notes, and the Trustee may use CUSIP and ISIN numbers in notices of redemption as a convenience to Holders.  No representation is made as to the accuracy of such numbers either as printed on the Notes or as contained in any notice of redemption and reliance may be placed only on the other identification numbers placed thereon.

The Company shall furnish to any Holder upon written request and without charge a copy of the Indenture.  Requests may be made to the Company at the following address:

ASSIGNMENT FORM

To assign this Note, fill in the form below:

* Participant in a recognized Signature Guarantee Medallion Program (or other signature guarantor acceptable to the Trustee).

OPTION OF HOLDER TO ELECT PURCHASE

If you want to elect to have this Note purchased by the Company pursuant to Section 4.10 or 4.14 of the Indenture, check the appropriate box below:

If you want to elect to have only part of this Note purchased by the Company pursuant to Section 4.10 or Section 4.14 of the Indenture, state the amount you elect to have purchased:

* Participant in a recognized Signature Guarantee Medallion Program (or other signature guarantor acceptable to the Trustee).

SCHEDULE OF EXCHANGES OF INTERESTS IN THE GLOBAL NOTE

The initial outstanding principal amount of this Global Note is $                    .  The following exchanges of a part of this Global Note for an interest in another Global Note or for a Definitive Note, or exchanges of a part of another Global or Definitive Note for an interest in this Global Note, have been made: