Rochester Begins Mine Development at Florida NW and Provides Exploration Update

Rochester Resources Ltd. (TSX VENTURE:RCT)(FRANKFURT:R5I) is pleased to announce
that development of a crosscut at Florida NW is now underway. The crosscut of
300m is at the 1240 elevation and will cut the continuity of the rich zones of
the Florida I, II and III, northwest from the intrusive. 


Florida NW has grades similar to those encountered in the Florida SE system.
Considering the average historical grades from the Florida SE area, the results
obtained from the ramp at level 1300, and the information obtained at the
crosscut in level 1240, expectations are that the potential average grade could
be 9 g/t gold and 250 g/t silver. The crosscut will provide underground access
to 13 veins identified at surface. This is part of the overall mine
infrastructure plan of developing over 2.5km in three areas; Crosscut - Florida
NW, Footwall drift at level 1240, and the San Eduardo Tunnel.


Concurrently, the Company has implemented a drift development program of over
6,300m to continue building towards significant NI 43-101 compliant resources at
Mina Real including: 




Area                Metres         
                              
Florida NW          2,530          
Tajos Cuates        2,580          
Macedo              1,250          



At Macedo, construction and rehabilitation of over 2km of access roads for
diamond drill hole sites have been completed. 


A total of 355m of drift development has taken place at Macedo where an internal
reserve has been blocked consisting of approximately 18.500 tonnes of
mineralized material.


Macedo was identified from surface work with the vein surface expression
trending for more than 1 kilometre. The vein system is comprised of widths up to
20 metres and is mineralized with both gold and silver.


Drill Program

Rochester initiated its Phase 1 Drill program in late January. To date, a total
of 910.15 meters in 5 drill holes have been completed at Florida NW with two
drill rigs. A third underground drill rig is to be added shortly at the Tajos
Cuates Mine. The first phase drill program consists of 22,000m. Drill results
are expected shortly.


The company has also been successful in continuing to identify additional new
veins southwest of Macedo in an area named El Tesoro. These new veins include:
(See Figure 1)


El Tesoro

Structure identified over 600 meters with widths of 1.30 meters in underground
samples averaging 4.27 g/t Au to 1,029 g/t Ag and widths on surface of 0.82m
averaging 0.85 g/t Au with 214 g/t Ag.


El Jato

It features variable thickness up to 30m in the SE part consisting of a
stockwork zone where the country rock is a rhyolite dome with values of the
order of the order of 0.3 g/t Au to 0.8 g/t Au and 20 g/t Ag to 119 g/t Ag. In
the NW part of the vein where the structure has widths of 0.30 to 0.70 m and
values averaging 3.2 g/t Au and 463 g/t Ag.


El Titere

Structure identified over 100 meters in length. Up to 16.7 g/t Au with 669 g/t
Ag with average widths of 0.30 m and 4.0 g/t Au with 226 g/t Ag over a width of
0.20 m. 


La Finca III

Structure identified over 120 meters. Assays of surface samples reported values
of 1.0 g/t Au to 61 g/t Ag over a width of 0.45 m.


Mr. Alfredo Parra , a QP as defined under NI 43-101 has reviewed and approved
the technical disclosure herein.


ON BEHALF OF THE BOARD

Eduardo Luna, President and CEO

About Rochester Resources Ltd.

Rochester represents a pure-play in the exploration and development of
high-grade gold and silver properties located in Nayarit, Mexico. The Company is
a niche player in Mexico which has assembled an attractive portfolio of
properties in the Sierra Madre Occidental Range. This is the largest epithermal
precious metal region in the world, hosting the majority of Mexico's large
tonnage gold and silver deposits. Current production helps generate cash flow
and helps fund our ongoing exploration and development. Rochester is well
positioned to advance its Projects and can very quickly become a significant
player in Mexico. Rochester has a strong senior management team based in Mexico,
a workforce in place to advance its projects through to mine development, and
strong financial backing to implement and advance our work programs.


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.


To view Figure 1 please click on the following link:
http://media3.marketwire.com/docs/rct0427.pdf
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