HARTFORD, Conn.

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"We look forward to working with Arch to provide highly customized client-
focused claim administration services and solutions," said Joe Boures,
president, Specialty Risk Services. "SRS' proven track record in quality,
client retention and financial outcomes is consistent with Arch's approach and
will provide clients in the national accounts casualty arena with a superior
option.

Selective Insurance Group Announces Executive Appointments

Ms.selective.

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Best. Marchioni
previously served as vice president of Selective's commercial
mercantile/service strategic business unit. Best.

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Contacts:
Specialty Risk Services
April Staley
860/520-2585
april.

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Most recently, she served as senior vice president of emerging issues for ACE
USA.

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He joined Selective in 1998 as a
government affairs specialist and was promoted to department director in 2000.

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Arch Insurance Group's principal
insurance subsidiaries -- Arch Insurance Company, Arch Specialty Insurance
Company and Arch Excess + Surplus Insurance Company -- are rated A-
(Excellent) by A., (Nasdaq: SIGI) today announced the following executive
appointments:
John Marchioni, CPCU (Andover, NJ), to senior vice president of personal
lines underwriting of Selective Insurance Company of America and Vice
President of Selective Insurance Group, Inc. Mr .

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S. For more information, visit
http://www., headquartered in Branchville, New Jersey,
is a holding company for six property and casualty insurance companies that
offer primary and alternative market insurance for commercial and personal
risks.M.
Selective maintains a website at http://www.

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archinsurance .com

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Approved by more than 18 insurance carriers, SRS offers bundled
and unbundled services to both self-insured and insured clients, including
many Fortune 1000 companies.M.B. Muedder oversees the commercial casualty underwriting, loss
control and premium audit functions at Selective .

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Selective Insurance Group, Inc.

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"

About Specialty Risk Services
Based in Hartford, CT, Specialty Risk Services, LLC (SRS) is one of the
largest Third Party Administrators in the industry. BRANCHVILLE, N.

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J. Mr. In this
position, Ms.

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The
arrangement includes workers ' compensation, automobile, general and product
liability, integrated disability, claim administration and risk management
services nationwide.

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, Selective Insurance
Group, Inc.
Prior to joining Selective, he was vice president, government affairs with the
Commerce and Industry Association of New Jersey. She is currently on the board of the Workers Compensation Research
Institute (WCRI ) and has served on the board of directors of the National
Council on Compensation Insurance (NCCI ).

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(Logo: http://www.com/cgi-bin/prnh/20040920/NEM026LOGO )
"The alliance with SRS expands our relationship focus and flexible service
approach by jointly developing customized casualty programs that meet our
customers' unique business needs.com.staley@srsconnect. She joined Selective in May
2005 with extensive casualty underwriting and government affairs experience.

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Founded in 1990, the
company provides workers' compensation, auto, general and product liability,
integrated disability , claim administration and risk management services
nationwide. The insurance companies are rated "A+" (Superior) by A.

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, a Bermuda-
based company that provides insurance and reinsurance on a worldwide basis
through its wholly owned subsidiaries.

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Under the
terms of the agreement, Arch will utilize SRS' claims management expertise to
service property and casualty insurance programs underwritten by Arch.

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In his new role, he has
oversight for implementing the company's personal lines strategy and managing
operations of the personal lines strategic business unit. Marchioni holds an A.
in History from Princeton University.

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and Canada.

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, Specialty Risk Services (SRS),
one of the nation 's largest property casualty third party administrators for
workers' compensation and general liability claims, announces a new claims
administration agreement and partnership with Arch Insurance Group , provider
of property, casualty, and specialty insurance for corporations, professional
firms , and financial institutions throughout the U. Arch has assembled a team of professionals
to build and manage our business with a focus on attentive and responsive
customer service," states Stephen Cotnoir, senior vice president, Arch
Insurance Group.com .

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SRS Announces Claim Administration Partnership with Arch Insurance Group

Kathy Muedder, CPCU (Matthews, NC), to senior vice president, casualty
line of business manager of Selective Insurance Company of America.

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About Arch
Arch Insurance Group is a division of Arch Capital Group Ltd. Muedder is a graduate of
Roosevelt University, Chicago with a degree in Insurance and is a member of
the Association of Professional Insurance Women (APIW). Through
other subsidiaries, the company offers medical claim management services;
human resources administration services; risk management products and
services; and flood insurance policy, administration and claim services.