Rochester Resources Ltd. - News Releases - Rochester Provides Status Report on Mining and Milling Operations

2007 2006 2005

	April 25, 2007 Rochester Provides Status Report on Mining and Milling Operations
	Vancouver, Canada - Rochester Resources Ltd. (TSXV: RCT; OTCBB: RCTFF and Frankfurt: R5I): The Board of Directors is pleased to provide a further update on the status of its Mina Real mining and milling operation in the State of Nayarit, Mexico. Mining Operations: A more comprehensive sampling has been taken along the ramp development reported in our March 30, 2007 news release and assays received from SGS Laboratories, an independent ISO 2000 laboratory. The attached table shows all assay results received to date from 58 channel samples taken over approximately 120 metres of development within the vein system. The independent assays indicate an average vein width of 1.35 metres with average grades of 17 grams of gold per tonne and 139 grams of silver per tonne. Dr. Alfredo Parra, PhD and Qualified Person, commented that "Although these grades are lower than those earlier reported for a segment of the uppermost portion of the Level 1115 ramp, we continue to get excellent results as we ramp down to the lower level of the Florida 1 vein system. On the upper ramp to Level 1115, grades on eleven contiguous channel samples taken over approximately 20 metres of vein structure averaged 30.8 grams/tonne of gold and 212 grams/tonne of silver and an average width of 1.33 metres. Six of these samples ranged between 26.7 and 59.1 grams/tonne of gold. The lower ramp has so far produced an average grade of 15.1 grams/tonne of gold and 116 grams/tonne of silver from 19 channel samples taken over approximately 38 metres. Ongoing mine development work has continued during the temporary shutdown of the mill, which continues to increase our stockpile of mill feed." Milling Operations: The modifications to the pregnant solution pumping and piping systems were completed early last week. Additional capacity is in the process of being installed in the grinding section which should be completed in the next couple of days. These modifications are expected to allow mill production to reach our initial target of 200 tonnes/day with 80% grind passing 100 mesh and recovery of 90%+ for gold. Although the plant has been operating on a periodic basis to test the modified systems, we have not been in a position to recommence regular milling operations. During the commissioning process, ongoing monitoring revealed that the rock beneath the lined tailings dam was more permeable than indicated by pre-construction testing. As a result, a cyanide destruction circuit was installed during the recent shutdown to neutralize the tailings prior to being deposited in the tailings dam. Tests completed to date indicate that this destruction process is working effectively and we expect to receive final approval on this aspect of the modifications in the next few days. Commissioning of the plant is expected to re-commence shortly thereafter. Dr. Alfredo Parra, the company's President, has an extensive background in mining exploration and operations, including senior management level positions with major Mexican based corporations such as CIA Minera Penoles and Kennecott. Dr. Parra is currently the Company's in-house Qualified Person and QP Member of the Mining and Metallurgical Society of America with special expertise in Mining. Rochester represents a pure-play into the exploration and development of gold and silver properties located in Mexico. Its key operating personnel are highly skilled and credentialed Mexican citizens with the ability to identify and negotiate the acquisition of other advanced exploration and development properties in the region. Operating management has strong support from an active board of consulting directors with extensive experience in mining, milling and exploration. ON BEHALF OF THE BOARD "Douglas F. Good" Douglas F. Good, Chairman Investor information contact: Empire Communications Inc. Tel: 1-866-841-0068 Email: [email protected] Website: www.rochesterresourcesltd.com Forward Looking Statements This Company Press Release contains certain "forward-looking" statements and information relating to the Company that are based on the beliefs of the Company's management as well as assumptions made by and information currently available to the Company's management. Such statements reflect the current risks, uncertainties and assumptions related to certain factors including, without limitations, competitive factors, general economic conditions, customer relations, relationships with vendors and strategic partners, the interest rate environment, governmental regulation and supervision, seasonality, technological change, changes in industry practices, and one-time events. In addition, the Company has not conducted an independent feasibility study on the Mina Real project which may increase the risk that the planned operations are not economically viable. Should any one or more of these risks or uncertainties materialize, or should any underlying assumptions prove incorrect, actual results may vary materially from those described herein.The TSX Venture Exchange has not reviewed and does not accept responsibility for the adequacy or the accuracy of this release.. Figure 1 - RAMP 1511 Upper Ramp Lower Ramp ------------------------------------ ------------------------------------ LINE NO SAMPLE NO WIDTH Au Ag LINE NO SAMPLE NO WIDTH Au Ag ------------------------------------ ------------------------------------ LINE 54- Outside LINE 1 115-500 1.8 10.6 139 63 Vein ------------------------------------ ------------------------------------ LINE 2 115-501 1.0 15.1 108 LINE 64 115-907 0.6 2.8 110 ------------------------------------ ------------------------------------ LINE 3 115-502 1.1 9.9 164 LINE 65 115-908 1.1 6.8 88 ------------------------------------ ------------------------------------ LINE 4 115-503 2.4 10.9 149 LINE 66 115-909 1.1 13.3 121 ------------------------------------ ------------------------------------ LINE 5 115-504 1.4 25.8 315 LINE 67 115-910 0.7 9.2 100 ------------------------------------ ------------------------------------ LINE 6 115-505 1.2 15.5 131 LINE 68 115-911 1.0 36.4 202 ------------------------------------ ------------------------------------ LINE 7 115-506 2.2 20.9 122 LINE 69 115-912 1.0 3.6 62 ------------------------------------ ------------------------------------ LINE 8 115-507 2.4 8.4 146 LINE 70 115-913 0.7 12.1 200 ------------------------------------ ------------------------------------ LINE 9 115-508 2.2 14.2 53 LINE 71 115-914 1.0 15.4 63 ------------------------------------ ------------------------------------ LINE 10 115-509 2.4 12.5 77 LINE 72 115-915 1.1 9.1 49 ------------------------------------ ------------------------------------ LINE 11 115-510 2.8 14.0 103 LINE 73 115-916 1.0 17.4 134 ------------------------------------ ------------------------------------ LINE 12 115-511 3.0 8.6 65 LINE 74 115-917 1.0 20.7 79 ------------------------------------ ------------------------------------ LINE 13 115-512 2.3 9.8 112 LINE 75 115-918 1.1 13.7 57 ------------------------------------ ------------------------------------ LINE 14 115-514 2.0 26.1 79 LINE 76 115-919 0.8 45.6 194 ------------------------------------ ------------------------------------ LINE 15 115-515 1.5 42.1 119 LINE 77 115-920 0.8 10.6 102 ------------------------------------ ------------------------------------ LINE 16 115-516 1.5 55.6 89 LINE 78 115-921 1.0 10.5 138 ------------------------------------ ------------------------------------ LINE 17 115-517 1.6 13.7 262 LINE 79 115-922 1.0 13.1 124 ------------------------------------ ------------------------------------ LINE 18 115-518 1.6 35.6 792 LINE 80 115-923 1.1 22.4 180 ------------------------------------ ------------------------------------ LINE 19 115-519 1.6 10.7 106 LINE 81 115-924 1.0 13.4 129 ------------------------------------ ------------------------------------ LINE 20 115-520 1.2 19.3 133 LINE 82 115-925 0.8 8.7 118 ------------------------------------ ------------------------------------ LINE 21 115-521 1.0 59.1 258 17.9 ------------------------------------ LINE 22 115-522 0.9 17.2 135 ------------------------------------ LINE 23 115-523 1.1 42.9 262 ------------------------------------ ------------------------------------ LINE 24 115-524 1.0 11.4 111 Width Gold Silver ------------------------------------ ------------------------------------ LINE 25 115-525 1.0 41.1 128 Upper Ramp ------------------------------------ Average 1.55 18.1 153.4 LINE 26 115-526 0.9 8.9 375 Lower Ramp ------------------------------------ Average 0.94 15.1 116.4 LINE 27 115-527 0.8 16.6 363 Combined ------------------------------------ Average 1.35 17.0 139.4 LINE 28 115-528 0.6 4.2 183 ------------------------------------ ------------------------------------ LINE 29 115-529 0.7 22.6 54 ------------------------------------ LINE 30-41 Outside Vein ------------------------------------ LINE 42 115-122 1.0 22.9 98 ------------------------------------ LINE 43 115-123 1.2 10.6 71 ------------------------------------ LINE 44 115-124 1.7 10.9 208 ------------------------------------ LINE 45 115-125 1.6 16.0 122 ------------------------------------ LINE 46 115-126 1.7 8.6 132 ------------------------------------ LINE 47 115-127 1.8 7.2 100 ------------------------------------ LINE 48 115-128 1.7 10.7 128 ------------------------------------ LINE 49 115-129 1.6 30.4 145 ------------------------------------ LINE 50 115-130 1.6 23.6 136 ------------------------------------ LINE 51 115-131 1.4 8.1 108 ------------------------------------ 60.5

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