With 105,000 employees in 59
countries, the company is committed to using its knowledge and
experience to collaborate with customers to help them succeed.
Juniper Street in South Philadelphia .

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techoils.

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Envirotemp(R) FR3(TM)
fluid uses as its base food-grade vegetable oil, which is proven to be
non-toxic according to guidelines developed by the Organization for
Economic Cooperation and Development (OECD), a worldwide standard
setting body. In addition, Envirotemp FR3 fluid is biodegradable based
on testing done by the United States Environmental Protection Agency
(USEPA). "Reliability
is the foundation of our business, and we will always keep trying to improve
our service and hopefully increase our customer satisfaction. Peak hourly demand and the total electric delivery on two of
those days exceeded the highest levels for all of last summer, which was
considered unseasonably mild overall .

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Envirotemp FR3 fluid extends paper insulation life five to eight
times, lowering life cycle costs .

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About Cooper Power Systems

Cooper Power Systems (www.

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These projects and other maintenance work will
help us do just that," said Denis O'Brien, PECO Energy president. PECO will
spend about $208 million on its local energy delivery system across the region
this year.

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Recognized
testing laboratories have listings allow Envirotemp FR3 transformer
installations outdoors and indoors, typically without costly fire
protection devices. The business unit is a part
of Cargill, an international provider of food, agricultural and risk
management products and services.

Contact: Michael Wood
215-841-5555

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PECO said the company's summer preparedness program aims to improve
service with fewer outages, especially for those who experience more than the
average , and shorter interruptions when they occur. The average annual
household electric usage has jumped 21 percent since 1993, even though PECO's
electric rates essentially have been unchanged over the same time.

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The enhanced performance allows
utilities to manage their assets more profitably and forestall costly
capital expenditures.
Additionally, PECO said it identified 20 distribution circuits across the
city for reliability improvements, including replacement of poles, crossarms,
transformers and cable as necessary, as well as installation of fuses, animal
guards and lightning arrestors and increased tree clearance.
O'Brien said PECO has invested consistently each year to meet the
increasing energy needs of the region's consumers.49 billion in revenue
for Exelon.

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Cooper Power Systems and Cargill Industrial Oils Expand Alliance

The alliance between CPS and Cargill was created to
cost -efficiently produce and distribute Envirotemp(R) FR3(TM) fluid, a
revolutionary insulating product that is safe for the environment and
the public.
Environmental Protection Agency's Environmental Technologies
Verification, which confirmed its environmental attributes.com

PECO said its average outage frequency for
customers in Philadelphia was its best ever.

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Envirotemp FR3 fluid is covered by several
international patents. It is one of
about 100 substations that supply power to the central business district and
neighborhoods across the city. By mid-July, Tuna sub will feed a total of
10 distribution circuits serving customers.
A great deal of work goes on every week "under the radar" to ensure air
conditioners, refrigeration equipment and other appliances stay in operation,
even with the exceptionally high electricity usage during the summertime when
demand for electricity peaks. The area experienced such peak electric demand
between June 10 and 15 when temperatures reached 90 degrees or higher on five
of the six days.

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CPS
manufactures distribution transformers, distribution switchgear,
reclosers, capacitors, protective relays, voltage regulators ,
automated switches, cable accessories, surge arresters, transformer
components and dielectric coolants, fuses, tools and engineering
services for the electrical utility and industrial markets .

PECO Energizes New $25 Million Substation in Port Richmond in Time for Peak Summer Demand

In 2004 , the
company delivered 37.

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About Cargill Industrial Oils and Lubricants

Cargill Industrial Oils and Lubricants (www.

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cooperpower.cargill.

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Envirotemp(R) FR3(TM) fluid also enhances the performance and life of
a utility's transformer assets.
Among numerous "summer readiness" initiatives , PECO also installed new
automation capability at its Holmesburg substation, expanded its Island Road
substation in Southwest Philadelphia, and designed a new distribution circuit
fed from its Packer substation in South Philadelphia at a total cost of about
$5 million.

Based in Philadelphia, PECO Energy is an electric and natural gas utility
subsidiary of Exelon Corporation (NYSE: EXC). Founded in 1881, PECO is one of the Greater Philadelphia Region's
most active corporate citizens, providing leadership, volunteer and financial
support to numerous arts and culture, education , environmental, economic
development and community programs and organizations.

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PECO's energy delivery services generated $4.

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Business Editors/Energy Editors

HOUSTON + MINNEAPOLIS----Cooper
Power Systems, Inc (CPS) and Cargill Industrial Oils and Lubricants
today announced that their alliance to market, produce and distribute
Envirotemp(R) FR3(TM) fluid will now be extended to Zealand and Korea.cargill.

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S. Cargill, is one of the world's leading producers of
food-grade vegetable oils and its world-wide network of processing
facilities allows for the product to be available in ample supply and
closer to the customer, utilizing in-country oil seed-based resources.

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The increased insulation life also
translates to extended and enhanced transformer life or the ability to
carry higher loads during peak demand periods without leading to
premature insulation failure.
The fluid also has excellent fire resistant qualities.
One of PECO's largest single capital projects in years , the Tuna sub is
named after the former tuna packaging plant where it is located.

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Cooper Power Systems, a leading manufacturer of electrical
distribution equipment, developed the Envirotemp(R ) FR3(TM) fluid in
1997. For
more information, visit www.

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"Our customers count on us to deliver power when they need it most,
especially during the summer."
Continually throughout the year, engineers for PECO evaluate reliability
performance and electric "load" on each of the company's 2,300 distribution
circuits and at 550 substations. Across its entire system, more
than 75 percent of PECO customers experienced only one or no service
interruptions in 2004, and fewer than five percent of its customers across
southeastern Pennsylvania had more than one power outage thus far this year.

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Utilities around the world are recognizing the advantages
offered by this revolutionary fluid over traditional dielectric fluids
(non-conductive fluids used to insulate and cool electrical
distribution products such as transformers), including added
performance and environmental characteristics . PECO also is beginning work on another new substation on S.
However, customers in some areas do not experience such steady reliable
service.

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com)
is a leading supplier of natural fats, oils , and environmentally
advantaged products to industrial markets. Company Completes Other Reliability Improvements in City, Including New
Circuits, Substation Automation, Cable Replacements and Tree Clearance

PHILADELPHIA, PECO Energy has completed a three-
year, $25 million new electric substation in Philadelphia, which will boost
power capacity and help improve service reliability for several thousand
customers in the northeast quadrant of Center City and portions of the Port
Richmond and Northern Liberties sections of the city. Thousands of
local customers should benefit from these circuit improvements, particularly
in Roxborough, Juniata, Frankford, Olney, Kensington , Hunting Park,
Torresdale, Queen Village, Germantown, Fox Chase, Somerton and University
City .5 million megawatt hours (mWh) of electricity and 87.

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Envirotemp(R) FR3(TM) fluid recently received the U.com) is a subsidiary of
Cooper Industries (NYSE:CBE), a diversified worldwide manufacturer of
products for the electrical, commercial, and industrial markets. Substations tap into high-voltage transmission
lines connected to power plants and convert power into lower voltage for
distribution to local communities.5 million electric
and 460,000 natural gas customers in southeastern Pennsylvania .1
billion cubic feet of natural gas to residential, business and institutional
customers.

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PECO serves 1.