Arch Insurance Group Enhances Energy Capabilities

NEW YORK--(Business Wire)--Arch Insurance Group, a member of Arch Capital Group Ltd.,
announced that it has formed a new Energy division--Arch Worldwide
Energy(SM)-- that harnesses all property/casualty energy related
capabilities in Arch through one dedicated unit to heighten its
response to evolving energy needs worldwide.

Arch Worldwide Energy will be led by Thomas G. Kaiser, Executive
Vice President at Arch Insurance Group.

"Arch Insurance Group has always offered expertise in energy, but
this strategic group completely dedicated to the issues of the energy
market--will drive high quality risk solutions on a worldwide basis,"
said Ralph E. Jones, Chairman & CEO- Arch Insurance Group.

"This new division maximizes the energy-specific intellectual
capital, products and services of Arch exclusively for the energy
sector," said Kaiser. "We have studied our clients' evolving risk
needs and believe that our new unit positions us to develop the most
effective solutions for their risk management arsenal."

The new division combines the expertise of Arch's Onshore Energy,
Offshore Energy, Construction All Risk, Erection All Risk, and Energy
Casualty into one unit. The Arch Worldwide Energy client base includes
clients from oil, gas, petrochemical, chemical, power generation, pulp
& paper, mining & steel industries. Clients can access these services
in the United States, Canada and London.

Arch Insurance Group Inc. is a member of Arch Capital Group Ltd.,
a Bermuda-based company that provides insurance and reinsurance on a
worldwide basis through its wholly owned subsidiaries. For more
information, visit www.archinsurance.com.

Insurance coverage is underwritten by one or more member companies
of Arch Insurance Group in North America, which consists of Arch
Insurance Company (a MO corporation, NAIC # 11150), Arch Specialty
Insurance Company (a NE corporation, NAIC #21199) and Arch Excess &
Surplus Insurance Company (a NE corporation, NAIC # 10946). Executive
offices are located at One Liberty Plaza in New York City 10006. Not
all insurance coverages or products are available in all
jurisdictions. Coverage is subject to actual policy language. This
information is intended for use by licensed insurance producers.

Arch Insurance Group
Stefanie Frelick, 646-563-6431
Asst. Vice President, Marketing

Copyright Business Wire 2008