Exhibit 3.31

| Ministry of Finance BC Registry Services | Mailing Address: PO BOX 9431 Stn Prov Govt. Victoria BC V8W 9V3 www.corporateonline.gov.bc.ca | Location: 2nd Floor - 940 Blanshard St. Victoria BC 250 356-8626 |
| | CERTIFIED COPY Of a Document filed with the Province of British Columbia Registrar of Companies |
| Notice of Articles BUSINESS CORPORATIONS ACT | 
|
| | RON TOWNSHEND November 4, 2010 |
This Notice of Articles was issued by the Registrar on: November 4, 2010 10:10 AM Pacific Time
Incorporation Number: BC0894591
Recognition Date and Time: Incorporated on November 4, 2010 10:10 AM Pacific Time
NOTICE OF ARTICLES
An unlimited liability company must set out on the face of each share certificate the following statement:
“The shareholders of this company are jointly and severally liable to satisfy the debts and liabilities of this company to the extent provided in section 51.3 of the Business Corporations Act.”
Name of Company:
THOMPSON CREEK SERVICES ULC
REGISTERED OFFICE INFORMATION | | |
| | |
Mailing Address: | | Delivery Address: |
#1900 - 355 BURRARD STREET | | #1900 - 355 BURRARD STREET |
VANCOUVER BC V6C 2G8 | | VANCOUVER BC V6C 2G8 |
CANADA | | CANADA |
| | |
RECORDS OFFICE INFORMATION | | |
Mailing Address: | | Delivery Address: |
#1900 - 355 BURRARD STREET | | #1900 - 355 BURRARD STREET |
VANCOUVER BC V6C 2G8 | | VANCOUVER BC V6C 2G8 |
CANADA | | CANADA |
1
DIRECTOR INFORMATION | | |
| | |
Last Name, First Name, Middle Name: | | |
CASSITY, WENDY | | |
| | |
Mailing Address: | | Delivery Address: |
26 WEST DRY CREEK CIRCLE, #810 | | 26 WEST DRY CREEK CIRCLE, #810 |
LITTLETON CO 80120 | | LITTLETON CO 80120 |
UNITED STATES | | UNITED STATES |
| | |
Last Name, First Name, Middle Name: | | |
SHELLHAAS, S. SCOTT | | |
| | |
Mailing Address: | | Delivery Address: |
26 WEST DRY CREEK CIRCLE, #810 | | 26 WEST DRY CREEK CIRCLE, #810 |
LITTLETON CO 80120 | | LITTLETON CO 80120 |
UNITED STATES | | UNITED STATES |
| | |
Last Name, First Name, Middle Name: | | |
LOUGHREY, KEVIN | | |
| | |
Mailing Address: | | Delivery Address: |
26 WEST DRY CREEK CIRCLE, #810 | | 26 WEST DAY CREEK CIRCLE, #810 |
LITTLETON CO 80120 | | LITTLETON CO 80120 |
UNITED STATES | | UNITED STATES |
| | |
Last Name, First Name, Middle Name: | | |
SAXTON, PAMELA | | |
| | |
Mailing Address: | | Delivery Address: |
26 WEST DRY CREEK CIRCLE, #810 | | 26 WEST DRY CREEK CIRCLE, #810 |
LITTLETON CO 80120 | | LITTLETON CO 80120 |
UNITED STATES | | UNITED STATES |
AUTHORIZED SHARE STRUCTURE
1. | No Maximum | COMMON Shares | | Without Par Value |
| | | | |
| | | | Without Special Rights or Restrictions attached |
2

| Ministry of Finance BC Registry Services | Mailing Address: PO BOX 9431 Stn Prov Govt. Victoria BC V8W 9V3 www.corporateonline.gov.bc.ca | Location: 2nd Floor - 940 Blanshard St. Victoria BC 250 356-8626 |
| Incorporation | CERTIFIED COPY |
| Application For a BC Unlimited | Of a Document filed with the Province of British Columbia Registrar of Companies |
| Liability Company FORM 1U BUSINESS CORPORATIONS ACT Section 10 and 51.11 | 
|
| RON TOWNSHEND November 4, 2010 |
FILING DETAILS: | | Incorporation Application for a BC Unlimited Liability Company for: THOMPSON CREEK SERVICES ULC |
| | |
| | Incorporation Number: BC0894591 |
| | |
Filed Date and Time: | | November 4, 2010 10:10 AM Pacific Time |
| | |
Recognition Date and Time: | | Incorporated on November 4, 2010 10:10 AM Pacific Time |
INCORPORATION APPLICATION FOR A BC UNLIMITED LIABILITY COMPANY
Name Reservation Number: | | Name Reserved: |
NR3305765 | | THOMPSON CREEK SERVICES ULC |
| | |
INCORPORATION EFFECTIVE DATE: |
|
The incorporation is to take effect at the time that this application is filed with the Registrar. |
| | |
INCORPORATOR INFORMATION | | |
| | |
Last Name, First Name, Middle Name: | | Mailing Address: |
CHINN, LINDA S. | | #1900 - 355 BURRARD STREET |
| | VANCOUVER BC V6C 2G8 |
| | CANADA |
1
COMPLETING PARTY
Last Name, First Name, Middle Name: | | Mailing Address: |
CHINN, LINDA S. | | #1900 - 355 BURRARD STREET |
| | VANCOUVER BC V6C 2G8 CANADA |
Completing Party Statement
I, LINDA S. CHINN, the completing party, have examined the articles and the incorporation agreement applicable to the company that is to be incorporated by the filing of the Incorporation Application and confirm that:
a) the Articles and the Incorporation Agreement both contain a signature line for each person identified as an incorporator in the Incorporation Application with the name of that person set out legibly under the signature lines,
b) an original signature has been placed on each of those signature lines, and
c) I have no reason to believe that the signature placed on a signature line is not the signature of the person whose name is set out under that signature line.
NOTICE OF ARTICLES
An unlimited liability company must set out on the face of each share certificate the following statement:
“The shareholders of this company are jointly and severally liable to satisfy the debts and liabilities of this company to the extent provided in section 51.3 of the Business Corporations Act.”
Name of Company: | | |
THOMPSON CREEK SERVICES ULC | | |
| | |
REGISTERED OFFICE INFORMATION | | |
| | |
Mailing Address: | | Delivery Address: |
#1900 - 355 BURRARD STREET | | #1900 - 355 BURRARD STREET |
VANCOUVER BC V6C 2G8 | | VANCOUVER BC V6C 2G8 |
CANADA | | CANADA |
| | |
RECORDS OFFICE INFORMATION | | |
| | |
Mailing Address: | | Delivery Address: |
#1900 - 355 BURRARD STREET | | #1900 - 355 BURRARD STREET |
VANCOUVER BC V6C 2G8 | | VANCOUVER BC V6C 2G8 |
CANADA | | CANADA |
2
DIRECTOR INFORMATION
Last Name, First Name, Middle Name: | | |
CASSITY, WENDY | | |
| | |
Mailing Address: | | Delivery Address: |
26 WEST DRY CREEK CIRCLE, #810 | | 26 WEST DRY CREEK CIRCLE, #810 |
LITTLETON CO 80120 | | LITTLETON CO 80120 |
UNITED STATES | | UNITED STATES |
| | |
Last Name, First Name, Middle Name: | | |
SHELLHAAS, S. SCOTT | | |
| | |
Mailing Address: | | Delivery Address: |
26 WEST DRY CREEK CIRCLE, #810 | | 26 WEST DRY CREEK CIRCLE, #810 |
LITTLETON CO 80120 | | LITTLETON CO 80120 |
UNITED STATES | | UNITED STATES |
| | |
Last Name, First Name, Middle Name: | | |
LOUGHREY, KEVIN | | |
| | |
Mailing Address: | | Delivery Address: |
26 WEST DRY CREEK CIRCLE, #810 | | 26 WEST DRY CREEK CIRCLE, #810 |
LITTLETON CO 80120 | | LITTLETON CO 80120 |
UNITED STATES | | UNITED STATES |
| | |
Last Name, First Name, Middle Name: | | |
SAXTON, PAMELA | | |
| | |
Mailing Address: | | Delivery Address: |
26 WEST DRY CREEK CIRCLE, #810 | | 26 WEST DRY CREEK CIRCLE, #810 |
LITTLETON CO 80120 | | LITTLETON CO 80120 |
UNITED STATES | | UNITED STATES |
AUTHORIZED SHARE STRUCTURE
1. | No Maximum | COMMON Shares | | Without Par Value |
| | | | |
| | | | Without Special Rights or Restrictions attached |
3