ComparisionMarket, Inc. Expands Choices for Online Auto Insurance Customers

CLEVELAND — August 19, 2002 — ComparisonMarket, Inc., which enables financial services providers to offer their customers automobile insurance from leading national providers, announced today that it has added three more auto insurers to its online insurance rate quoting and purchasing service. A fourth additional carrier is expected to launch in the fall.

The three additional participating insurers are Electric Insurance Company, Leader Insurance and Esurance, the direct online auto insurance company and member of the White Mountains Insurance Group, Ltd. A fourth additional carrier, Permanent General, is scheduled to launch in the next few months. The new carriers join ComparisonMarket’s existing insurance partners, which include Allmerica Financial, Travelers, Hartford Financial Services Group, Inc., Liberty Mutual and Kemper Auto and Home Insurance Company.

ComparisonMarket enables customers of major financial institutions to shop for and buy auto insurance over the Internet in a highly competitive marketplace. Customers complete one questionnaire and receive up to four personalized real-time auto insurance rates, quoted by the insurance carriers themselves within 45 seconds. Customers who decide to purchase a policy can do so immediately, either online or by calling ComparisonMarket’s call center. There are currently eight large, well-known financial services providers using the ComparisonMarket technology to offer auto insurance to their customers.

“Our goal is to help our partners in the financial services industry expand and strengthen their relationships with their customers by enabling them to meet more of their customers’ needs,” said David L. Roush, CEO of ComparisonMarket. “The addition of these three quality carriers enhances their ability to serve more of their customers with a wider variety of options.” ComparisonMarket is establishing partnerships with a select group of quality carriers so that users receive competitive quotes from at least four highly rated insurance companies, Roush added.

About ComparisonMarket

ComparisonMarket, Inc., based in Cleveland, Ohio, enables financial institutions to offer their customers real choice and savings opportunities on auto insurance. Through its partnerships with insurance providers, ComparisonMarket provides online, real-time comparative rate quoting on a nationwide basis. The ComparisonMarket service helps financial institutions improve customer retention by allowing them to provide their customers with better services and more products. The service also gives financial institutions a competitive advantage to attain new customers. For more information, visit us on the Web at www.comparisonmarket.com.

About Esurance Inc.

Esurance Inc., a subsidiary of White Mountains Insurance Group, Ltd. (NYSE: WTM), provides personal auto insurance direct to consumers online. Esurance is dedicated to constantly improving the way people shop for, buy, and manage their auto insurance. By combining the best of technology with industry know-how, Esurance is able to offer hassle-free auto insurance coverage with 24/7 customer service and claims handling at competitive prices.

Through Esurance’s Web site, www.esurance.com, customers can get instant auto insurance quotes, view comparison quotes, buy an Esurance policy, and print their proof of insurance card— all in minutes. Esurance also offers policyholders the ability to make policy changes and file claims instantly online, demonstrating Esurance’s commitment to improving the entire auto insurance process from quote to claim.