Arch Insurance Group Redesigns Website for Ease of Doing Business

NEW YORK--(BUSINESS WIRE)--Sept. 30, 2005--Arch Insurance Group, a division of Arch Capital Group Ltd., today announced the redesign of its Website (www.archinsurance.com). Arch redesigned the site to make it easier for brokers and current and potential customers to do business with the insurer.

The new website features fresh content, easy-to-use navigation, and special features for both brokers and customers. Keeping in line with the company's new tag line -- Fresh. Thinking. Arch -- www.archinsurance.com makes it easy for visitors to access product information, Arch contacts, financial standing and more.

“We've embarked on an initiative that invites our customers and brokers to get to know us better”

"We've embarked on an initiative that invites our customers and brokers to get to know us better," said Tom Kaiser, executive vice president, Arch Insurance Group. "We created a website that gives users all of the pertinent information they need to know about Arch with just a few clicks of their mouse."

While visiting the site, users may recognize some familiar faces. Arch decided to have its employees populate the images on the website. "We wanted to put a 'real' face on our company," said Mr. Kaiser.

The North American underwriting companies of Arch Insurance Group provide a wide range of property, casualty and specialty insurance for corporations, professional firms and financial institutions across the United States and Canada.

"The Arch team consists of the insurance industry's most experienced underwriting talent. We are creative in our style towards product innovation and we find that our candid approach is what people in today's marketplace are looking for," added Mr. Kaiser. "We designed our new website to convey this message."

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

Cautionary Note Regarding Forward-Looking Statements

The Private Securities Litigation Reform Act of 1995 provides a "safe harbor" for forward-looking statements. This release or any other written or oral statements made by or on behalf of Arch Capital Group Ltd. and its subsidiaries (collectively, the "Company") may include forward-looking statements which reflect the Company's current views with respect to future events and financial performance. Forward-looking statements involve the Company's current assessment of risks and uncertainties, which may cause actual events and results and prospects to differ materially from those expressed or implied in these statements. Certain information regarding such risks and uncertainties is set forth in the Company's filings with the Securities and Exchange Commission. The Company undertakes no obligation to publicly update or revise any forward-looking statement, whether as a result of new information, future events or otherwise.