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Gold/Mining/Energy : Esperanza Silver

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From: sageyrain	3/3/2008 10:33:03 PM
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3/03/08 PR. Esperanza Discovers Potential New Gold Zone at Cerro Jumil Monday March 3, 7:00 am ET VANCOUVER, BRITISH COLUMBIA--(Marketwire - March 3, 2008) - Esperanza Silver Corporation (TSX VENTURE:EPZ - News) is pleased to provide this update on its 100%-owned Cerro Jumil gold project in Mexico where drilling continues to expand the potential resource. Highlights include: - Extended the Southeast Zone 100 meters down dip to the east and have confirmed continuity within the zone. - Discovered the potential new Cerro Calabaza West gold zone approximately 300 meters to the northwest of the central Southeast Zone. - Drill Hole RCHE-07-76 yielded 79.5 meters containing 1.04 g/t gold. - Drill Hole RCHE-07-80 yielded two mineralized zones. One of 36 meters containing 2.53 g/t and another of 54 meters containing 0.73 g/t gold. - Drill Hole RCHE-07-64A yielded 51 meters containing 1.44 g/t gold. - Drill Hole RCHE-07-67 yielded 163.5 meters containing 0.87 g/t gold. Ongoing Drilling Confirms Continuity and Expands Southeast Zone The assay results from 20 new drill holes have confirmed gold continuity within the central portion of the Southeast Zone. The new drilling also demonstrates that gold mineralization continues down dip to the east. Drill holes RCHE-07-66 and 67 intercepted broad zones of gold mineralization (78.0 meters averaging 0.84 g/t gold and 163.5 meters averaging 0.87 g/t gold respectively). This extends the gold mineralization within the central portion of the Southeast Zone an additional 100 meters to the east. Results from the drill holes are summarized below. ----------------------------------------------------------- Cerro Jumil Drill Results Mar-08 ----------------------------------------------------------- From To Interval Gold Grade Hole (m) (m) (m) (g/t) ----------------------------------------------------------- DHE-07-54(iii) 96.5 106.5 7.0 2.41 and 159.0 187.5 28.5 1.87 ----------------------------------------------------------- ----------------------------------------------------------- RCHE-07-63 37.5 124.5 87.0 0.80 includes 58.5 78.0 19.5 1.36 ----------------------------------------------------------- ----------------------------------------------------------- RCHE-07-64A 69.0 120.0 51.0 1.44 ----------------------------------------------------------- ----------------------------------------------------------- RCHE-07-65(iii) 45.0 85.5 33.0 1.61 ----------------------------------------------------------- and 127.5 141.0 13.5 0.77 ----------------------------------------------------------- ----------------------------------------------------------- RCHE-07-66(iii) 78.0 159.0 78.0 0.84 includes(iii) 78.0 124.5 43.5 1.14 ----------------------------------------------------------- ----------------------------------------------------------- RCHE-07-67(iii) 88.5 268.5 163.5 0.87 includes 180.0 213.0 33.0 1.58 ----------------------------------------------------------- ----------------------------------------------------------- RCHE-07-68(iii) 166.5 184.5 16.5 1.46 ----------------------------------------------------------- ----------------------------------------------------------- RCHE-07-69(iii) 145.5 174.0 25.5 0.79 ----------------------------------------------------------- ----------------------------------------------------------- RCHE-07-70 183.0 204.0 21.0 0.59 ----------------------------------------------------------- ----------------------------------------------------------- RCHE-07-71 118.5 135.0 16.5 0.80 ----------------------------------------------------------- ----------------------------------------------------------- RCHE-07-72 18.0 69.0 51.0 0.69 includes 24.0 39.0 15.0 1.13 ----------------------------------------------------------- ----------------------------------------------------------- RCHE-07-73(iii) 19.5 102.0 67.5 0.09 ----------------------------------------------------------- RCHE-07-74(iii) 106.5 112.5 6.0 0.99 ----------------------------------------------------------- and 247.5 258.0 9.0 0.59 ----------------------------------------------------------- ----------------------------------------------------------- RCHE-07-75 60.0 76.5 16.5 0.84 ----------------------------------------------------------- ----------------------------------------------------------- RCHE-07-76 82.5 163.5 79.5 1.04 includes 87.0 127.5 40.5 1.48 ----------------------------------------------------------- ----------------------------------------------------------- RCHE-07-77 No significant intervals ----------------------------------------------------------- ----------------------------------------------------------- RCHE-08-79(i) 31.5 70.5 39.0 1.73 includes 54.0 69.0 15.0 3.74 ----------------------------------------------------------- and 100.5 145.5 45.0 0.72 includes 106.5 124.5 18.0 1.21 ----------------------------------------------------------- ----------------------------------------------------------- RCHE-08-80(ii) 57.0 93.0 36.0 2.53 ----------------------------------------------------------- and 123.0 177.0 54.0 0.73 ----------------------------------------------------------- ----------------------------------------------------------- RCHE-08-82(iii) 37.5 91.5 33.0 0.38 ----------------------------------------------------------- ----------------------------------------------------------- RCHE-08-83 168.0 187.5 19.5 0.42 ----------------------------------------------------------- (i) Includes a 1.5 meter interval containing 43.5 g/t gold which was cut to 10 g/t. (ii) Includes two 1.5 meter intervals containing 20.6 g/t gold and 10.2 g/t which were cut to 10 g/t. (iii) Drill intercepts with no core or chip recovery were not included in the calculation of the interval length. Cerro Las Calabazas West - Possible New Gold Zone Drill hole DHE-07-54 was a step-out hole in an area known as Cerro Las Calabazas West. This area is approximately 200 to 400 meters northwest of the central Southeast Zone. It intercepted two stacked intervals of gold mineralization. The first intercept averaged 2.41 g/t gold over a width of 7.0 meters. The second intercept averaged 1.87 g/t gold over 28.5 meters and contained a 1.5 meter interval with 10.7 g/t. Three additional diamond core holes have been completed with assay results pending; and a further six holes are planned. Bill Pincus, Esperanza's President and CEO said, "The discovery of the potential new zone, Cerro Las Calabazas West, is very encouraging and could have a significant impact in expanding the resource at Cerro Jumil. We're awaiting assay results from other completed drilling in this area which will give us a clearer idea of the zone's full potential." 72% Heap-Leach Recovery Indicated As previously announced, an SGS Mineral Services report on simulated heap-leach testing of material from the Southeast Zone indicated a gold recovery rate of 72% on material crushed to a nominal 1 inch size and 73% for 3/4 inch material. Further studies are proposed in order to optimize these recoveries. Esperanza will continue studying heap-leach optimization while also examining the economic viability of conventional milling and processing as an option. Previous testing (non heap-leach) yielded recovery rates between 92% and 95% indicating that conventional processing may be an alternative. biz.yahoo.com Finally, some positive exploration results. Strong potential for new resource addition at C. Jumil is shown.

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