GoldMountaion Explorations (fka GMEX)

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West Timmins Intersects Gold-Silver Mineralization at Yoquivo; El Indio Surface Discovery Yields 33.50 g/t Gold, 3,230 g/t Silver


(Vancouver, June 12, 2007) West Timmins Mining Inc. (TSX: WTM) and partner Gold Mountain Exploration Corp. (OTCBB: GMEX; formerly Konigsberg Corporation) announced today that initial drill testing of the Yoquivo Project has intersected multiple zones of silver-gold mineralization. Surface mapping conducted during the on-going drill program has also identified two new, high-grade gold-silver mineralized vein systems. The Yoquivo Project covers the entirety of the historic Yoquivo Mining District and is located 35 kilometres southeast of the recently opened Ocampo Gold-Silver deposit in the heart of the Sierra Madre Gold Belt.

Vein and Stockwork Silver-Gold Targets Intersected

Three diamond drill holes have now been completed on the Yoquivo Project. Hole Y07-01 targeting the El Gambusino vein returned 289 g/t silver and 2.18 g/t gold over a 70 centimetre width at a vertical depth of approximately 32.00 metres. A second zone of anomalous silver-gold mineralization was intersected deeper in the hole (Table 1).

Diamond drill hole Y07-02, collared 590 metres northeast of Y07 -01, tested the southern end of the Muralla trend. Muralla is a silver-gold mineralized quartz stockwork zone developed over widths of 5 to 40 metres. Hole Y07-02 intersected a quartz stockwork zone and anomalous silver and gold over 27.50 metres. The core of this zone returned 12.00 metres averaging 40.18 g/t silver and 0.15 g/t gold.

Drill hole Y07-03 targeting the northern portion of the Muralla and the La Nina mineralized trend has been completed and results are pending. The 3,000 metre Phase 1 drill program will also target extensions to the high-grade San Francisco mine (historically reported production grade of 10.90 g/t gold and 1,120 g/t silver) and other mineralized structures including the recently discovered El Indio system (see below).

Hole From To Interval Gold Silver
No. (Metres Down Hole) (Metres Down Hole) Metres g/t g/t
Y07-01 41.10 41.80 0.70 2.18 289.00
185.75 188.40 2.65 0.41 32.68
Y07-02 102.00 114.00 12.00 0.15 40.18

Table 1: Drill Intercepts, Yoquivo Project – intervals are interpreted to represent 115-120% of true thicknesses.

High Grade Surface Mineralization at El Indio, Lucero

Geological mapping has identified two new gold-silver mineralized structures. The El Indio vein-breccia system is located 250 metres east of, and parallel to, the historic San Francisco mine trend. Eight grab samples collected over 270 metres along the strike of this vein-breccia system returned values ranging from 0.544 to 33.50 g/t gold and 39.1 to 3,230 g/t silver (see maps at http://www.westtimminsmining.com/main/?yoquivo).

The Lucero occurrence is located 350 metres west of the western-most mineralized trend previously identified on the property. Three grab samples collected from historic workings on this structure returned an average grade of 10.63 g/t gold and 169.6 g/t silver. Initial drill testing of the El Indio system will be included in the current drill program and systematic sampling will be initiated in the Lucero area.

West Timmins Mining is the operator of the Yoquivo Project. Subject to an Option Agreement dated May 31, 2006 Gold Mountain may earn an initial 50% interest in the Yoquivo Project by making cash payments of US $200,000 (received), issuing to West Timmins 1,000,000 common shares (received) of Gold Mountain, funding US $1,000,000 in exploration expenditures on the property over a 24 month period (US $273,673 funded to date) and making all cash payments required by West Timmins to the underlying property vendor.

Quality Control and Assurance

Geochemical results reported herein are from halved drill core and grab samples collected from surface on the Company’s Yoquivo Project. Core sampling is conducted on site by trained personnel and sealed samples are transported to ALS-Chemex’s preparation facilities in Chihuahua, Mexico by employees of consulting firm Minera Cascabel S.A. de C. V. on behalf of West Timmins Mining Inc. The remaining half of the drill core is stored in a secure facility on the project site. Grab samples are sealed on site and similarly transported.

All samples were assayed for gold by standard fire assay- ICP finish with a 50 gram charge. Samples additionally underwent 34 element ICP-MS analysis. Gold values in excess of 3.00 g/t were re-analyzed by fire assay with gravimetric finish for greater accuracy. Silver, zinc, copper and lead values in excess of 100 ppm, 1%, 1% and 1% respectively were also repeated by fire assay. For quality control purposes blank and analytical control standards were inserted into the sample sequence at regular intervals – no discrepancies are reported. Mr. Darin Wagner (M.Sc., P.Geo), the Company’s President, has acted as non-independent qualified person for this news release.

About West Timmins Mining Inc. – (www.westtimminsmining.com)

West Timmins currently has five active drill programs, completing a minimum of 35,000 metres, on its exploration projects in the Sierra Madre Belt of Mexico and in the Timmins Gold Camp of Northern Ontario. West Timmins is focussed on the exploration and development of district-scale gold projects in the major gold camps of North America. West Timmins Mining is based in Vancouver, British Columbia, Canada and trades on the Toronto Stock Exchange under the symbol WTM.

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On behalf of the Board of
West Timmins Mining Inc.
“Darin W. Wagner”
Darin W. Wagner, P. Geo.
President and Chief Executive Officer

For further information contact:
Darin W. Wagner, President & CEO
West Timmins Mining Inc., Vancouver
Tel: [phone] / Toll Free: [phone]
E-mail: [e-mail] Elaine Einarson, Manager Corporate Development
West Timmins Mining Inc., Vancouver
Tel: [phone] / Toll Free: [phone]
E-mail: [e-mail]

http://www.westtimminsmining.com/main/?newsReleases&119