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Rochester Resources Ltd

Published : August 29th, 2007

Reports Improved Production Results And Exploration Update

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Re: News Release - Wednesday, August 29, 2007
Rochester Reports Improved Production Results And Exploration

Vancouver, Canada - Rochester Resources Ltd. (TSXV: RCT; OTCBB: RCTFF
and Frankfurt: R5I): Dr. Alfredo Parra, President, is pleased to advise
that its Phase I exploration program has been completed and that
preparation is underway for an aggressive Phase II exploration and
development program that could see a major expansion of its milling
operations in 2008.

Net smelter revenues from the sale of gold and silver for the
three-month period ending September 1, 2007 are expected to reach $1.7
million, representing deliveries of about 2,200 ounces of gold and
20,000 ounces of silver. Excellent progress has been made in
stabilizing our milling process at the planned 200 tonnes/day level
with fine tuning of the mill and improved recovery rates expected to
continue in the coming months as we work through normal start up issues
and the seasonal rainy period. As a result, production figures could
increase by up to 50% for the second quarter ended November 30, 2007
under normal operating conditions.

"This is an exciting period for our company." commented Dr. Parra
"Initial indications are that our primary and secondary crushers and
the main section of the mill could accommodate throughput tonnage
approaching the 350 tonnes/day level with the addition of a larger
capacity ball mill to maintain optimum grind and recovery levels. We
are about to embark on an aggressive exploration and development
program at our Santa Fe property and the two other
exploration/development targets -- Tajos Cuates and Florida North --
which we are hopeful will establish a more broadly based mining
complex, with the capacity to increase gold and silver production well
above existing levels."

"Based on my extensive working years in sourcing, developing and
operating gold and silver mines in Mexico, the following summary
results lead me to believe that we have uncovered a major system of
high-grade epithermal veins with areas of multiple parallel veins and
some intervening mineralization. There is a strong possibility that
these systems contain significantly more potentially economic gold and
silver mineralization than has currently been identified." concluded
Dr. Parra.

Tajos Cuates - The Tajos Cuates vein system is located 1 kilometre
southwest of the Florida Mine site and is a primary target in the near
term to outline additional potential ore sources for the existing 200
tonnes/day milling operation. The vein system is a robust low
sulphidation epithermal vein which has been traced on surface over 1.8
kilometres, and known workings and a historical drill intercept extend
over a vertical horizon of at least 200 metres. The mineralization is
silver rich compared to the Florida Vein system -- a 1.70 metre wide
sample collected by Victor Jaramillo P.Geo. from the Chalata Adit
assayed 2.7 g/t gold and 1300 g/t silver. Three drill holes completed
in 2006 provided confirmation that the mineralized vein structure
continues to depth and established a base of the mineralized horizon at
about the 900 metre level. Drill hole No. 800-7-04 intersected 2.42
metres (estimated true width 1.5 metres) of mineralization which
assayed 4.9 grams/tonne of gold and 310 grams/tonne of silver at the
915 metre elevation.

Recent work has extended road access to Tajos Cuates, and initial
underground rehabilitation work is underway to allow exploration and
bulk sampling of the vein system in detail. In addition, surface work
has identified two new mineralized systems in the area, Tomas and El
Crudo. Preliminary surface sampling has returned 2.10 metres grading
3.7 g/t gold and 137 g/t silver from Tomas, and 0.70 metres grading 4.9
g/t gold and 106 g/t silver from El Crudo.

The veins systems at Tajos Cuates are the primary target for expansion
of our mining operations. Drift development activities are already
underway to supplement more extensive trenching and surface sampling

Santa Fe (70% owned) -- Initial exploration activities on the recently
acquired Santa Fe property, which adjoins the Florida tenements to the
east and northeast, has concentrated on developing approximately 8
kilometres of new road access to the central portion of the property,
thereby allowing systematic sampling and development of the multiple
vein systems in that area.

The work to date has better defined the three main vein systems, all of
which trend northwesterly and are sub-parallel with some cross veining.
>From west to east, these are the Jonas system, the Clavellino system,
and the Tajitos system.

View Map:

Of the three, initial indications are that the Clavellino system is the
most extensive, having been traced over a length of more than 3
kilometres. The width of this structure varies from 1 metre to 40
metres. At the south end, multiple quartz veins occur over a width of
30 to 40 metres, with some values in the intervening wallrocks. At the
north end (El Picacho), the vein structure is more discrete, consisting
of a 5.4 metre wide zone of silicification. The central 0.5 metres
returned values of 3.36 g/t gold and 163 g/t silver .

Two samples taken from old surface workings in the Tepehuaje section of
Clavellino returned a grade of 2 grams/tonne of gold and 235
grams/tonne of silver over a 1.6 metre average width. A centre section
of 0.7 metres produced 5 grams/tonne of gold and 481 grams/tonne of

Sampling along new exposures created by recent road building has
exposed the Jonas system in a number of places. Jonas is a silver-rich
system, with one main and several subsidiary northwest-trending quartz
structures. Continuous sampling by Mina Real has shown that silver
values are not just confined to the main veins however, and occur in
some of the intervening altered volcanic wallrocks. Many sample results
have yet to be received, however sampling to date on the main level has
defined three parallel zones grading 0.27 g/t gold and 162 g/t silver
over 2.40 metres, 0.81 g/t gold and 378 g/t silver over 0.62 metres,
and 0.23 g/t gold and 234 g/t silver over 0.83 metres. Individual
sample results for gold range from less than 0.03 g/t to 3.6 g/t and
silver from less than 3 g/t to 796 g/t, which includes samples taken
from the intervening rock.

The Tajitos system is relatively narrow (1-1.5 metres true width)
exposed in a series of old workings, but well mineralized over more
than 300 metres of the 700 metre length identified to date. A sample
from the north end of the system produced 4.68 g/t gold and 1,380 g/t
silver over 0.7 metres width.

A significant feature of these systems at Santa Fe is the
identification of gold and silver mineralization over a vertical extent
of almost 700 metres (833 metres above sea level at the El Bagre vein
and at the 1522 metre elevation at the north end of the Tajitos
system), twice that found on our Mina Real property. It is also
important to note that these types of epithermal vein systems vary in
width and grade over strike and depth. Grades obtained from surface
outcrops may or may not be depleted from exposure to the elements with
significantly higher grades potentially occurring at depth and then
tapering back to lower grades as the base of the system is approached.
However, the Santa Fe structures appear to be very similar to those we
have encountered at Mina Real where strong gold and silver grades have
been experienced and reported from our mining activities between the
1090 to 1200 metre elevations.

Florida North - The north end of the Florida Veins within the mine
workings is defined by a late dacite intrusive which truncates the
veins. On surface further north, a number of quartz veins oriented
parallel to the Florida trend have been identified in outcrop up to 1.5
kilometres further to the north. Initial exploration for the projected
northern continuation of the Florida Vein system was done by means of
an underground drive across the intrusive on the 1160 level of the
Florida Mine. This work successfully crossed through 180 metres of the
intrusive and emerged into highly faulted and altered volcanic rocks to
the northwest. The next phase of exploration work will consist of more
extensive surface trenching, sampling and mapping of the Florida North
system combined with a limited drilling program to identify the exact
location of the vein system in Florida North and continued drift
development in the form of a cross-cut approached from the northeast.

The work that has been done to date on the aforementioned three target
areas has consisted of building access roads, trenching, mapping and
sampling of vein systems. All assays quoted were carried out by the
Durango, Mexico, branch of SGS Laboratories, a certified and
independent laboratory. The exploration program is under the direction
of Ing. Hector Chavez, who has extensive experience in Mexican
epithermal deposits, and supervised by Dr. Alfredo Parra, who is a QP
as defined in NI 43-101.


"Dr. Alfredo Parra"
Dr. Alfredo Parra, President and CEO

Investor information contact:
Empire Communications Inc.
Tel: 1-866-841-0068

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

Copyright (c) 2007 ROCHESTER RESOURCES LTD. (RCT) All rights reserved.
For more information visit our website at or send
Message sent on Wed Aug 29, 2007 at 6:51:50 AM Pacific Time

Rochester Resources Ltd

ISIN : CA77174P1027
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Rochester Res. is based in Canada.

Rochester Res. holds various exploration projects in Mexico.

Its main asset in production is MINA REAL in Mexico and its main exploration properties are SANTA FE NAYARIT and EL CORA in Mexico.

Rochester Res. is listed in Canada, in Germany and in United States of America. Its market capitalisation is CA$ 613 826 as of today (US$ 490 786, € 429 929).

Its stock quote reached its highest recent level on July 13, 2001 at CA$ 990.00, and its lowest recent point on February 13, 2015 at CA$ 0.01.

Rochester Res. has 20 460 882 shares outstanding.

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Annual reports of Rochester Resources Ltd
2007 annual report
Financings of Rochester Resources Ltd
5/18/2007Closes 700,000 Unit Private Placement at $2.50 Per Unit
Financials of Rochester Resources Ltd
11/1/2007 Achieves Profitability from Operations in First Quarter of ...
Project news of Rochester Resources Ltd
11/16/2007 Announces Mill Production And Silver Recovery Update For It...
11/7/2007Drift Development Results at Tajos Cuates Confirm Extension ...
8/29/2007Reports Improved Production Results And Exploration Update
5/24/2007Mina Real Mill Resumes Production
Corporate news of Rochester Resources Ltd
11/20/2007 Commences Drift Development And Mobilizes Drill At The Sant...
10/29/2007Provides Update on Exploration and Development Activites
6/8/2007Mina Real Production Update
5/3/2007Announces $2.94 Million Capital Raise
2/28/2007Commences Regular Shipments of Gold & Silver Production
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