|   |   |                                                                                                                                                                                                                                                                                                                              |
|--------|--------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| 1.     |   | I have reviewed this annual report on Form 40-F of PretiumResources Inc.;                                                                                                                                                                                                                                                         |
|   |
| 2.     |   | Based on my knowledge, this report does not contain any untruestatement of a material fact or omit to state a material factnecessary to make the statements made, in light of thecircumstances under which such statements were made, not misleadingwith respect to the period covered by this report;                            |
|   |
| 3.     |   | Based on my knowledge, the financial statements, and otherfinancial information included in this report, fairly present inall material respects the financial condition, results ofoperations and cash flows of the issuer as of, and for, the periodspresented in this report;                                                   |
|   |
| 4.     |   | The issuer’s other certifying officer(s) and I areresponsible for establishing and maintaining disclosure controlsand procedures (as defined in Exchange Act Rules 13a-15(e) and15d-15(e)) and internal control over financial reporting (asdefined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for theissuer and have: |

|   | (a) |   | Designed such disclosure controls and procedures, or caused suchdisclosure controls and procedures to be designed under oursupervision, to ensure that material information relating to theissuer, including its consolidated subsidiaries, is made known tous by others within those entities, particularly during the periodin which this report is being prepared; |
|--------|-----|--------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|   |
|   | (b) |   | Designed such internal control over financial reporting, or causedsuch internal control over financial reporting to be designed underour supervision, to provide reasonable assurance regarding thereliability of financial reporting and the preparation of financialstatements for external purposes in accordance with generallyaccepted accounting principles;    |
|   |
|   | (c) |   | Evaluated the effectiveness of the issuer’s disclosurecontrols and procedures and presented in this report ourconclusions about the effectiveness of the disclosure controls andprocedures, as of the end of the period covered by this reportbased on such evaluation; and                                                                                    |
|   |
|   | (d) |   | Disclosed in this report any change in the issuer’s internalcontrol over financial reporting that occurred during the periodcovered by the annual report that has materially affected, or isreasonably likely to materially affect, the issuer’s internalcontrol over financial reporting; and                                                          |

| 5. |   | The issuer’s other certifying officer(s) and I havedisclosed, based on our most recent evaluation of internal controlover financial reporting, to the issuer’s auditors and theaudit committee of the issuer’s board of directors (orpersons performing the equivalent functions): |
|----|--------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | (a) |   | All significant deficiencies and material weaknesses in the designor operation of internal control over financial reporting which arereasonably likely to adversely affect the issuer’s ability torecord, process, summarize and report financial information;and |
|--------|-----|--------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|   |
|   | (b) |   | Any fraud, whether or not material, that involves management orother employees who have a significant role in the issuer’sinternal control over financial reporting.                                                                                              |

|   |   |  /s/ JOSEPH J.OVSENEK                                                            |   |   |
|--------|--------|---------------------------------------------------------------------------------------|--------|--------|
|   |   | Name:   Joseph J.Ovsenek                                                    |   |   |
|   |   | Title:      President, Chief Executive Officer &Director |
|   |   |                                                                                  |   |   |