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Pretivm Resources Inc.: Positive PEA for Brucejack Gold Project

Jun 2. 2011

VANCOUVER, BRITISH COLUMBIA--(Marketwire - June 2, 2011) - Pretium Resources Inc. ("Pretivm") (TSX:PVG) is pleased to report positive results from a National Instrument 43-101-compliant Preliminary Economic Assessment ("PEA") for the high-grade gold and silver resources identified to date at its Brucejack Project in northern British Columbia. The PEA was prepared by Wardrop, a Tetra Tech Company (Wardrop).

--  PEA Highlights
    --  Base case estimated pre-tax Net Present Value (5% discount) of
        US$662 million and internal rate of return of 27.1%, using
        US$1,100/oz gold and US$21/oz silver;
    --  Mine life of 16 years, with an average processing rate of 1,500
        tonnes/day;
    --  Annual average production for first ten years of 173,200 ounces of
        gold and 1.12 million ounces of silver;
    --  Estimated capital cost, including contingencies, of US$281.7
        million.

Economic Evaluation

A summary of pre-tax financial outcomes using three metal price scenarios, including recent spot metals prices, is presented below:

 
Table 1: Summary of Brucejack High-Grade Pre-Tax Economic Results
---------------------------------------------------------------------------
                                Alternate             Base   Spot Prices at
                                     Case          Case (1)    May 27, 2011
---------------------------------------------------------------------------
Gold price (US$/ounce)               $878           $1,100        $1,536.30
---------------------------------------------------------------------------
Silver Price (US$/ounce)           $14.50           $21.00           $37.86
---------------------------------------------------------------------------
Net Cash Flow                $512 million   $1.079 billion   $2.133 billion
---------------------------------------------------------------------------
Net Present Value (5.0%
 discount rate)              $255 million     $662 million   $1.416 billion
---------------------------------------------------------------------------
Internal Rate of Return              14.3%            27.1%            48.3%
---------------------------------------------------------------------------
Payback                         6.6 years        4.2 years        2.5 years
---------------------------------------------------------------------------
Exchange Rate (US$:C$)              $0.93            $0.93            $1.02
---------------------------------------------------------------------------

(1) Wardrop-adopted consensus forecast metal prices from the Energy Metals
Consensus Forecast (EMCF).

Production and Processing

The Brucejack high-grade project is planned to commence as an underground mining operation, with small-scale open pit mining commencing near the depletion of the underground mining inventory. The estimated underground mining inventory is comprised of 6.16 million tonnes of mineralized material with an average mill feed grade of 10.5 grams per tonne gold and 87.26 grams per tonne silver. The remaining inventory is comprised of 2.26 million tonnes of mineralized material from the open pits with an average mill feed grade of 3.35 grams per tonne gold and 35.95 grams per tonne silver.

The PEA is preliminary in nature and includes inferred mineral resources that are considered too speculative geologically to have the economic considerations applied that would enable them to be categorized as mineral reserves. Mineral resources that are not mineral reserves do not have demonstrated economic viability. There is no certainty that the PEA will be realized.

Gold-silver dore will be produced using a combination of conventional bulk sulphide flotation, gravity concentration and cyanidation, with gold and silver recovery by the Merrill-Crowe process. A total of 2.16 million ounces of gold and 14.72 million ounces of silver will be produced over the life of mine. The following table summarizes the production and processing parameters:

Table 2: Projected Production and Processing Summary
--------------------------------------------------------------------------
Mine Type                                 Underground (1)
--------------------------------------------------------------------------
Total Production                      8.42 million tonnes (2)
--------------------------------------------------------------------------
Processing Rate                         1,500 tonnes per day
--------------------------------------------------------------------------
                                   Gold                    Silver
--------------------------------------------------------------------------
Average Mill Feed Grade     8.58 grams per tonne     73.47 grams per tonne
--------------------------------------------------------------------------
Average Metal Recoveries                      93%                       74%
--------------------------------------------------------------------------
Average Annual Production (ounces):
--------------------------------------------------------------------------
               Years 1-10                173,200              1.12 million
--------------------------------------------------------------------------
           LOM (16 years)                135,000                   918,000
--------------------------------------------------------------------------
Total Production (ounces):
--------------------------------------------------------------------------
               Years 1-10           1.73 million             11.15 million
--------------------------------------------------------------------------
           LOM (16 years)           2.16 million             14.72 million
--------------------------------------------------------------------------

(1) Underground mining for first 13 years followed by small-scale open pit
mining.

(2) Includes underground and open pit production.

Capital and Operating Costs

The total estimated capital cost for the Brucejack high-grade project is US$281.7 million and the estimated operating costs are C$158.36 per tonne milled for underground mining and C$68.77 per tonne milled for open pit operation. The following tables summarize the cost components:

Table 3: Capital Costs
          Summary                      Table 4: Operating Costs Summary
---------------------------        ---------------------------------------
       Capital Costs               Operating Costs          Under-    Open
       (US$ million)               (C$/t milled)            ground     Pit
---------------------------        ---------------------------------------
Direct Costs          198.2        Mining                   103.78   15.29
---------------------------        ---------------------------------------
Indirect Costs         46.4        Processing                34.56   34.56
---------------------------        ---------------------------------------
Owner's Costs           7.9        General &                 14.87   13.78
                                    Administrative
---------------------------        ---------------------------------------
Contingencies          29.2        Plant Services             5.14    5.14
---------------------------        ---------------------------------------
Total Capital Cost    281.7        Total Operating Cost     158.36   68.77
---------------------------        ---------------------------------------

Independent Qualified Persons

The following Qualified Persons as defined by National Instrument 43-101 are independent of Pretivm and responsible for the Brucejack Gold and Silver Project PEA:

----------------------------------------------------------------------------
Qualified Person                      Scope of Responsibility
----------------------------------------------------------------------------
Hassan Ghaffari, P.Eng.               Capital cost estimate, project
Wardrop Engineering Inc.              execution plan, financial analysis
----------------------------------------------------------------------------
John Huang, P.Eng.                    Mineral processing and metallurgical
Wardrop Engineering Inc.              testing, infrastructure, process
                                      operating cost estimate
----------------------------------------------------------------------------
Pierre Pelletier, P.Eng.              Environmental considerations
Rescan Environmental Services Ltd
----------------------------------------------------------------------------
Tracy Armstrong, P.Geo.               Geology, property: description,
P&E Mining Consultants Inc.           history, geological setting, deposit
                                      types, mineralization, exploration,
                                      physiography, drilling, sampling and
                                      data verification. Adjacent properties
----------------------------------------------------------------------------
Fred H. Brown, CPG, Pr.Sci.Nat.       Mineral resource estimate
P&E Mining Consultants Inc.
----------------------------------------------------------------------------
H. Warren Newcomen, P.Eng.            Preliminary geotechnical design
BGC Engineering Inc.
----------------------------------------------------------------------------
Hamish Weatherly, P. Geo.             Water management
BGC Engineering Inc.
----------------------------------------------------------------------------
Clint Logue, P.Eng., P.Geo.           Waste management and leach plant
BGC Engineering Inc.                  tailings storage facility design
----------------------------------------------------------------------------
Peter Mokos, MAusIMM (CP)             Mining, including capital and
AMC Mining Consultants (Canada) Ltd.  operating costs estimates
----------------------------------------------------------------------------

Brucejack Project Update

Upon completion of the 2011 drill program now underway at Brucejack, a new mineral resource estimate for the project's high-grade gold and silver resources will be prepared which will form the basis for an updated Preliminary Economic Assessment. Concurrent with the preparation of an updated PEA, which is planned to commence in Q4 2011, Pretivm will either proceed with a pre-feasibility study or advance directly to a full feasibility study for the Brucejack Project high-grade development opportunity.

Ian I Chang, M.A.Sc., P.Eng., Vice President, Project Development, Pretium Resources Inc. is the Qualified Person (QP) responsible for Brucejack Project development.

About Pretivm

Pretivm is creating value through gold at its advanced-staged exploration projects Brucejack and Snowfield, located in north-western British Columbia. Pretivm is advancing the high-grade, underground gold opportunity at Brucejack and the open pit opportunities at both Brucejack and Snowfield. The combined bulk tonnage resource at Brucejack and Snowfield, one of the largest in North America, comprises over 34 million ounces of measured and indicated gold resources and 22 million ounces of inferred gold resources; and 192 million ounces of measured and indicated silver resources and 202 million ounces of inferred silver resources. Details on the mineral resources at Pretivm's Brucejack and Snowfield projects are available at www.pretivm.com.

(SEDAR filings: Pretium Resources Inc.)

Forward Looking Statement

This Press Release contains "forward-looking information" within the meaning of applicable Canadian securities legislation. Forward-looking information may include, but is not limited to, information with respect to our plans, costs and timing for future exploration (including updated resource estimates) and development activities, results of future exploration, timing and receipt of approvals, consents and permits under applicable legislation, production and developments in our operations in future periods and adequacy of financial resources. Wherever possible, words such as "plans", "expects" or "does not expect", "budget", "scheduled", "estimates", "forecasts", "anticipate" or "does not anticipate", "believe", "intend" and similar expressions or statements that certain actions, events or results "may", "could", "would", "might" or "will" be taken, occur or be achieved, have been used to identify forward-looking information. Statements concerning mineral resource estimates may also be deemed to constitute forward-looking information to the extent that they involve estimates of the mineralization that will be encountered if the property is developed. Any statements that express or involve discussions with respect to predictions, expectations, beliefs, plans, projections, objectives, assumptions or future events or performance (often, but not always, using words or phrases such as "expects", "anticipates", "plans", "projects", "estimates", "assumes", "intends", "strategy", "goals", "objectives", "potential" or variations thereof, or stating that certain actions, events or results "may", "could", "would", "might" or "will" be taken, occur or be achieved, or the negative of any of these terms and similar expressions) are not statements of historical fact and may be forward-looking information. Forward-looking information is subject to a variety of known and unknown risks, uncertainties and other factors that could cause actual events or results to differ from those expressed or implied by the forward-looking information, including, without limitation, those risks identified in Pretivm's final short-form prospectus dated April 4, 2011 filed on SEDAR at www.sedar.com. Forward-looking information is based on the expectations and opinions of Pretivm's management on the date the statements are made. The assumptions used in the preparation of such statements, although considered reasonable at the time of preparation, may prove to be imprecise. We do not assume any obligation to update forward-looking information, whether as a result of new information, future events or otherwise, other than as required by applicable law. For the reasons set forth above, prospective investors should not place undue reliance on forward-looking information.

The TSX has neither approved nor disapproved of the information contained herein.

FOR FURTHER INFORMATION PLEASE CONTACT:
        Pretium Resources Inc.
        Robert Quartermain
        President and Chief Executive Officer
        (604)558-1784

        Pretium Resources Inc.
        Michelle Romero
        Corporate Relations Director
        (604)558-1784
        invest@pretivm.com
        www.pretivm.com

Source: Pretium Resources Inc.
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