International Enexco Commissions Pre-Feasibility Study on the

Contact Copper Project, Nevada  NEWS RELEASE TRANSMITTED BY MARKETWIRE  FOR: International Enexco Limited  TSX VENTURE SYMBOL:  IEC  August 21, 2008  International Enexco Commissions Pre-Feasibility Study on the Contact Copper  Project, Nevada  28,400 Metres of New Drilling to be Incorporated into Updated Resource  Calculation - Expansion and Infill Drilling Continues  VANCOUVER, BRITISH COLUMBIA--(Marketwire - Aug. 21, 2008) - International  Enexco (TSX VENTURE:IEC) announced today it has retained Gustavson Associates,  LLC of Boulder, Colorado to prepare an updated mineral resource estimate  incorporating 28,400 metres (m) of new drilling and a Pre-Feasibility Study on  Enexco's copper project at Contact, Nevada. Gustavson Associates will  initially focus on the copper oxide mineralization in the Phase 1 drilling area  with an eye towards an open pit heap leach operation using solvent  extraction-electrowinning (SX-EW) to produce cathode copper on-site. The  Pre-Feasibility Study is expected to be completed by Q1-09 upon conclusion of  drilling currently underway in the Phase 2 area, and metallurgical tests, which  are being completed at Resource Development Inc. in Wheat Ridge Colorado.  Arnold Armstrong, President & CEO, commented, "We are pleased to have  advanced the project to the stage where Enexco has commissioned a detailed,  Pre-Feasibility Study for Contact. This is a significant milestone on  Enexco's path to production."  Enexco is working to develop the Contact project as an open pit, heap leach  operation, amenable to shallow oxide copper mineralization in the Phase 1 and 2  areas. The operation will use low cost solvent extraction-electrowinning to  produce a readily saleable cathode copper product. Enexco continues to work to  expand the Phase 1 and 2 areas oxide mineralization, as well as explore the  deeper sulfide mineralization in the Contact area.  The initial work will focus on the copper oxide mineralization in the Phase 1  area, where a 4,680m drilling program was completed in 2007 (see March 17, 2008  press release). Oxide mineralization was found in all holes, including EN-2  (36m of 0.35% Cu), EN-3 (55m of 0.31% Cu), EN-4 (70m of 0.31% Cu), EN-6 (93m of  0.34% Cu), EN-8 (64m of 0.45% Cu), EN-11 (62m of 0.42% Cu), EN-13 (59m of 0.36%  Cu) and EN-15 (48m of 0.63% Cu). The Phase 1 drilling is within an area of  about 475m along strike of the historic Delano vein.  Since completing the first 18 holes in the Phase 1 area, drilling has been  ongoing at the site with two company-owned and operated core drills. Another 24  holes totaling 6,500m have been drilled in the Phase 1 area for in-fill  purposes and to obtain material for metallurgical testing. West of the Phase 1  area, the Company's Phase 2 area drilling program is nearing completion,  where, so far, another 70 holes and 17,300m have been drilled. The Phase 2 area  drilling has potential to extend the copper oxide mineralization from the Phase  1 area west another 850m along strike. Surface exposures show the  mineralization is open along strike west of the Phase 2 area for at least  another 1500m. Permitting for a subsequent phase of drilling is underway to  test the westward extension. Drilling has also begun in the Phase 3 area south  of Phase 2, centered around the deep, high-grade sulfide mineralization in  drill hole PD-4.  Enexco is well financed with approximately $14M in the treasury, to carry out  the current work that is leading to a technical/feasibility study of the  Contact project scheduled for completion in 2009. The Company has 21,086,441  shares issued and on a fully diluted basis would have 22,621,441 shares  outstanding.  Gustavson Associates, LLC, located in Boulder, Colorado is a global consulting  firm providing geological, engineering, and environmental services on all  aspects of natural resource evaluations, including mineral resources and  reserves estimation, project financing, due diligence, feasibility studies,  appraisals and valuations, and qualified person reports. Gustavson is majority  owned by Walsh Environmental Scientists and Engineers, whose parent company is  Ecology and Environment, Inc. (AMEX:EEI) Resource Development Inc. (RDi) in  Wheat Ridge, Colorado, provides mineral processing research. RDi's  specific experience in copper leaching offers a systematic and cost-effective  approach to SX-EW projects.  ABOUT INTERNATIONAL ENEXCO  Enexco is a Canadian based advanced exploration company headquartered in  Vancouver, B.C. In addition to its 100% owned Contact Copper Resource Property,  the Company is exploring other prospective areas of Nevada, and has a strategic  alliance with Cameco Corporation (35%), International Enexco (30%) and UEM Inc.  (35%) to jointly develop the High-Grade Mann Lake Uranium Project located in  the Athabasca Basin in Saskatchewan. Cameco is operator of the Mann Lake  Uranium Project.  For further information on all of Enexco's projects, visit our website at:  -30- FOR FURTHER INFORMATION PLEASE CONTACT:  International Enexco Limited Paul McKenzie Director (604) 669-8368 (604) 642-2629  The TSX Venture Exchange does not accept responsibility for the adequacy or  accuracy of this release.  INDUSTRY:  Manufacturing and Production - Mining and Metals  SUBJECT:  MEX 
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