Sterling Red Chris Giant Copper Bear Porcher Island Nak

Sterling Gold Mining Corporation, a subsidiary of Imperial, owns the Sterling property and mine, located 185 kilometres northwest of Las Vegas, Nevada near the town of Beatty. The Sterling property, including Tungsten Canyon, Fluorspar Canyon and Mary claims, encompasses approximately 5,694 hectares. The mine operated from 1980 through 2001 and produced 194,996 troy ounces of gold from both underground and surface workings. Drilling by Imperial in 2001 discovered a deep high grade gold zone - the 144 Zone. Located south of the historic Sterling mine workings, the 144 Zone is in an entirely new setting similar to the structurally controlled sediment-hosted, disseminated gold deposits in the Carlin trend. The gold mineralization in the 144 Zone is hosted in altered and brecciated silty dolostones about 288 metres below the surface at a dolostone/limestone contact. Excavation of a decline into the 144 zone began in December 2006, and was completed to a depth of 3,352 feet in November 2007. Two exploration drifts were built off the main decline below the 144 zone that housed drill stations that provided platforms for detailed drilling of the 144 zone from underground. Underground diamond drilling began in mid January 2008. The overall objective of the program is to outline sufficient resources to restart mine operations. Mineral resources for the 144 zone drilled before the start of the 2008 underground drill program were 194,640 tonnes, grading 0.216 oz/st gold containing over 46,344 ounces of gold. Underground diamond drilling of the 144 zone began in mid January 2008. As of mid March 2008 a total of 6,700 feet of diamond drilling were completed. Approximately 4,000 feet of this drilling was allocated to further definition and delineation of the 144 zone west of the latite dike, while the remainder was focused on exploration of the new gold-bearing breccias and stratigraphy discovered during decline excavation east of the latite dike. The drill assays confirmed the existence of significant gold mineralization east of the latite dike, representing a major extension on the 144 zone. Following the discovery, the diamond drill program was extended to mid May 2008. Detailed Sterling property information is provided in the 2008 Annual Information Form [2008 AIF] and the 2006 Sterling Technical Report in PDF Format (7.4 Mb).

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