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DENISON MINES (USA) CORP. <br />2008 ANNUAL REPORT <br />Sunday Mine - M-1977-285 <br />The Sunday Mine resumed operations in May 2007. During the current reporting period, one <br />vent hole (S-9) was installed as approved by the Division of Reclamation Mining and Safety and the <br />Bureau of Land Management (BLM). <br />Initial site activities have included opening of the temporarily closed mine portal. No new <br />facilities or structures have been installed at the mine site. <br />A Plan of Operations (POO) amendment was submitted to the San Juan Field Office of the BLM <br />on April 6th, 2007 to incorporate operations at the Topaz Mine with the existing POOs for the Sunday, St. <br />Jude, Carnation (covered under the Sunday POO), and West Sunday POO. This submittal also included a <br />proposal for exploration drilling on the Sunday Claims and the addition of 5 new vent holes for the <br />Sunday Mine over the next 5 years. <br />Exploration drilling will take place concurrent with mine operations at the Sunday Mine, and it is <br />anticipated that 30 exploration holes will be drilled in the Sunday Mine claims in mid-summer and an <br />additional 30 exploration holes will be drilled in Sunday Mine claims in the late fall. All exploration <br />activities will be completed under a statewide prospecting bond and written notice will be provided to <br />DRMS and the BLM. <br />A Weed Management Plan consistent with the requirements of San Miguel County and the BLM <br />was prepared for the Sunday Mines. Noxious weed control was completed using pesticide for halogeten <br />and knapweed. Application of pesticides for noxious week control is ongoing in conformance with the <br />BLM and San Miguel County. <br />An updated Stormwater Management Plan (SWMP) was prepared for the Sunday Mines in <br />November and a Spill Prevention Control and Countermeasure Plan (SPCC) was completed in December. <br />A Mine Compliance Technician was hired in December to conduct periodic inspections of erosion control <br />best management practices (bi-weekly inspections) and refueling and oil storage and use (monthly) at the <br />Sunday Mines. A semi-annual compliance inspection of erosion control features at the Sunday Mines <br />was completed in April and no deficiencies were noted at the Sunday Mine. <br />As of the date of this report, approximately 14,000 tons of ore were produced from the Sunday <br />Mine and shipped to Denison's White Mesa Mill, located near Blanding, Utah. Denison plans to mine <br />approximately the same tonnage of ore from the Sunday in the upcoming year. All mining activity will <br />be conducted within the existing Reclamation 112 Permit boundary; however the addition of five new <br />vent holes to the Sunday Mine will slightly increase the affected area acreage and the DRMS permit was <br />amended (AM-2) in September of 2007 to increase the Affected Area to 60 acres. No other changes are <br />proposed to the Sunday Mine that would require a permit amendment or technical revision.