Eagle Plains/Prize Mining Complete Ramp-Up to Commercial Production at Yellowjacket Gold Project, Atlin, B.C.

Jun. 29, 2009 (Filing Services Canada) -- Eagle Plains Resources Ltd. (EPL - TSX Venture, EGPLF - OTCBB_Pink_Sheets), and Prize Mining Corp. (PRZ:TSX-V) jointly announce that the Yellowjacket Venture ("Yellowjacket JV") has now completed commissioning and test work as scheduled on its mill facility at the Yellowjacket Gold Project located near Atlin, BC. A variety of material stockpiled by Prize in 2008 has now passed through the mill and represents a spectrum of hardness, mineralogy and grade in order to properly tune the facility. Production rates have confirmed a mill capacity of 350 tonnes per day. Processing of this material was completed under an existing Bulk Sampling Exploration Permit. Full-scale bedrock mining and milling operations will commence upon receipt of a Provincial Mines Act Permit, which is expected shortly.

In 2008, 18 mineralized bedrock sample blocks weighing an average of 200 tonnes each were processed through the onsite mill. A very diligent head grade (conveyor cut) and tailings sampling program was implemented during the bedrock processing program. Due to financial constraints in late 2008, the samples were not submitted to the laboratory for assay. In May 2009, samples collected from three high- grade bulk sample blocks were sent to ACME Laboratory Ltd. for analyses.

Head grade samples (conveyor cuts) averaging 2 kilograms each were collected every 50 minutes during feeding of the particular bulk sample block. Tailings samples were collected continuously using an automated Vezin sampler, with the sample bag being changed each hour. The head grade assaying was done using the metallics assaying method where the entire sample is pulverized and screened through 150 mesh, with fire assaying of both the +150 and -150 mesh fractions to yield a total gold content. The tailings samples are pulverized during the milling process and are analysed by standard fire assay techniques.

The following table shows gold assay results for three selected high-grade blocks that were shipped to ACME Laboratory Ltd. for analyses (readers are cautioned that these particular blocks are not representative of the deposit as a whole). The results displayed are the single highest and lowest gold assay values as well as an average grade for all samples collected from each block These higher grade blocks were selected to be assayed in order to compare the gold assay results from the laboratory to those previously obtained by the onsite assaying and to ensure that recoveries are in an acceptable range in the high grade material.

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BLOCK A27 BLOCK B27 BLOCK C21
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CONVEYOR CUT ASSAYS
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NUMBER OF SAMPLES 48 38 49
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HIGHEST TOTAL GOLD (g/t) 466.65 313.74 431.46
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LOWEST TOTAL GOLD (g/t) 0.52 2.83 0.61
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AVERAGE TOTAL GOLD (g/t) 30.46 45.54 14.01
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TAILINGS ASSAYS
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NUMBER OF SAMPLES 71 59 77
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HIGHEST GOLD (g/t) 2.16 7.86 3.85
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LOWEST GOLD (g/t) 0.47 1.09 0.74
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AVERAGE GOLD (g/t) 1.10 3.44 1.21
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Metallurgical test work and plant engineering designs show that expected gravity concentration gold recoveries will be between 73% and 80%. Using ratios of average gold in tailings compared to average total gold values in conveyor cut assays, it appears that the gold loss to tailings is well within the targeted acceptable recovery range. On-going studies will be conducted to improve recoveries.

From the assay results the extreme "nugget effect" of the deposit is immediately apparent as seen by the very high grade assay values obtained in individual samples collected from these selected high grade blocks - as compared to the lowest and average values. Additional assay results for other elements and concentrate recoveries are still pending.

Mr. Rino Mihoc, Mill Supervisor and previous Mine Manager at Goldcorp Inc.'s Golden Bear Mine has lead the mill commissioning work. Linda Dandy, P.Geo., Mine Manager, is the "Qualified Person" for the purpose of National Instrument 43-101, has reviewed and verified the contents of this news release.

A detailed history of the project and recently updated photo-gallery may be found here.

About Eagle Plains Resources
Eagle Plains Resources plans to commence gold production at the Yellowjacket project in mid-2009 and continues to conduct research, acquire and explore metal projects in western Canada. In addition to holding mining royalties on various projects, the Company controls over 35 gold, base-metal and uranium projects, several with third parties including Waterloo Resources Ltd (TSX-V:WAT.P) and XO Gold Resources Ltd. (a private B.C. company). In recent years, Eagle Plains has completed option agreements with Teck Limited (TSX:TCK.B), Alexco Resource Corp. (TSX-V:AXR), Billiton Metals, Rio Algom Exploration, NovaGold Resources, Kennecott Exploration and numerous other junior exploration companies, resulting in over 53,000m (158,500') of drilling and over $27.0 million in exploration spending on its projects since 1998.

Expenditures during 2008 on Eagle Plains' projects were approximately $6,000,000, funded equally between Eagle Plains and third party partners. This work resulted in approximately 6,300m of drilling and extensive ground-based exploration work and facilitated the advancement of numerous projects at various stages of development.

On behalf of the Board of Directors

Signed
"Tim J. Termuende"

President and CEO

For further information, please contact Mike Labach at 1 866 HUNT ORE (486 8673)
Email: mgl@eagleplains.com or visit our website at http://www.eagleplains.com

Cautionary Note Regarding Forward-Looking Statements
The TSX Venture Exchange has not reviewed and does not accept responsibility for the adequacy or accuracy of this release. This news release may contain forward-looking statements including but not limited to comments regarding the timing and content of upcoming work programs, geological interpretations, receipt of property titles, potential mineral recovery processes, etc. Forward-looking statements address future events and conditions and therefore, involve inherent risks and uncertainties. Actual results may differ materially from those currently anticipated in such statements.


Source: Eagle Plains Resources Ltd. (TSX-V: EPL) http://www.eagleplains.ca
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Source: Filing Services Canada (June 29, 2009 - 9:22 AM EDT)

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