Rockhaven Resources Ltd. announced drilling results of the Klaza Zone Gold-Silver Discovery for the year 2011. The company announced the final 2011 diamond drill results from the Klaza zone gold-silver discovery at its wholly-owned, road accessible Klaza property located in the Dawson Gold Belt of southern Yukon. Highlights are as follows: Significant expansion of the Klaza zone with the drill indicated strike length increased to 850 m, remaining open to expansion in all directions; mineralization in excess of 1.0 grams gold equivalent/tonne over significant widths (3.04 to 36.50 m) intersected in 36 of 40 diamond drill holes completed in 2010 and 2011; hole KL-11-56 cut 12.51 m averaging 5.03 g/t gold and 14 g/t silver; and Klaza zone confirmed to have both bulk tonnage and high-grade structural gold-silver mineralization similar to the adjacent, newly expanded BYG and BRX zones. The Klaza zone is the most northerly of four parallel gold-silver bearing structural zones identified on the Klaza property. In 2011, it was tested by 10,335 m of diamond drilling in 37 holes. Drill holes that tested the Klaza zone are located approximately 50 m apart. Most are on section lines that comprise 3 to 4 holes that tested to a maximum depth of 250 m down-dip of the surface discovery. The 2011 diamond drilling intersected significant mineralization along an 850 m strike length within the Klaza zone. The zone remains open for expansion along strike in both directions and at depth. Mineralization exhibits exceptional continuity with 36 of 40 diamond drill holes testing the Klaza zone in 2010 and 2011 intersected at least 1.0 gram gold equivalent/tonne over widths ranging between 3.04 and 36.50 m (average 13.04 m). The BRX zone is the most southerly of the known mineralized zones on the Klaza property. It is a linear gold-silver discovery that parallels the Klaza zone. The BRX zone was tested by nine drill holes on section lines spaced 150 to 225 m apart along a strike length of 1.3 km. Eight of the nine drill holes intersected significant gold-silver mineralization approximately 25 to 150 m down-dip of surface. The BRX zone has been traced over an aggregate strike length of 2 km by diamond drilling and excavator trenching and is open to extension along strike in both directions and down dip. The best drill intercept on the BRX zone in 2011 was 5.43 g/t gold and 50 g/t silver over 14.80 m. The BYG zone is a third zone on the property and parallels the Klaza zone, 125 m to the south. The zone demonstrates good grades with continuity along strike and down-dip. Nine of the 2011 diamond drill holes crossed the zone and all intersected significant mineralization, with the best interval grading 6.29 g/t gold and 342 g/t silver across 1.43 m. The BYG zone has been drilled along strike for 350 m and remains open for expansion in all directions. Results from trenches that tested the western extension of the Klaza zone indicate that the zone bifurcates into a series of discrete gold bearing structures. Four trenches in this area, which were spaced 100 m apart, all intersected high grade gold and silver veins along strike of the Klaza zone. Vein exposures graded from 4.87 g/t gold and 634 g/t silver across 1.30 m to 1.25 g/t gold and 177 g/t silver over 9.00 m. One trench that tested the eastern extension of the Klaza zone (TR-11-26) returned 7.17 g/t gold and 16 g/t silver over 7.11 m. It was cut 20 m east of the most easterly drill hole. Combined drill and trench results indicate a total known strike length of 1,100 m for the Klaza zone. The Klaza property hosts four parallel, 1 to 75 m wide, structural zones of gold-silver mineralization. All zones consist of quartz-sulphide veins, breccias and fracture networks, which are spatially associated with quartz-feldspar porphyry dykes that intrude granitic country rocks. The zones exhibit exceptional lateral continuity and, based on geophysical and geochemical evidence they collectively form a 1.5 km wide by 8 km long northwesterly-trending structural corridor. The zones exhibit features typical of both epithermal and mesothermal mineralization.