EXHIBIT 99.1

Consent of Independent Auditor

We hereby consent to the inclusion in this Annual Report on Form 40-F for the year ended December 31, 2017 of Pretium Resources Inc. of our report dated March 8, 2018, relating to the consolidated financial statements and the effectiveness of internal control over financial reporting, which appears in this Annual Report.

We also consent to the incorporation by reference in the Registration Statements on Form F-10 (File No. 333-211073) and Form S-8 (File Nos. 333-203409 and 333-213450) of Pretium Resources Inc. of our report dated March 8, 2018 referred to above.

We also consent to the reference to us under the heading, “Interest of Experts”, which appears in the Annual Information Form included in the Exhibit incorporated by reference in this Annual Report on Form 40-F.

(Signed) “PricewaterhouseCoopers LLP”

Chartered Professional Accountants

Vancouver, BC

March 29, 2018