Esurance Joins InsWebs Online Marketplace

SAN FRANCISCO, CA — July 24, 2003 — Esurance Inc., a leading direct-to-consumer personal auto insurance company, today announced that it is now participating in InsWeb’s online insurance marketplace as an additional provider of auto insurance coverage for InsWeb consumers.

Esurance’s products and services provide flexibility to InsWeb users seeking to complete their auto insurance transactions online. Through Esurance’s streamlined insurance processes, InsWeb customers choosing Esurance have the option to purchase policies and manage their accounts online through the Esurance Web site.

“Esurance and InsWeb complement one another nicely. Esurance is an appealing option for InsWeb customers seeking competitive rates and a high degree of online convenience,” explains Gary Tolman, Esurance’s President and CEO. Tolman continues, “Esurance satisfies the niche of Internet-savvy InsWeb customers who want to buy and manage their auto insurance online.”

Unlike other insurance carriers who require policyholders to wait for insurance documents in the mail, Esurance policyholders can print their insurance cards instantly and get copies of their insurance documents anytime, through their online accounts. Esurance policyholders can also make many policy changes or report minor claims online.

“We are pleased to welcome Esurance as a new carrier to our auto insurance marketplace,” said Mark Guthrie, InsWeb’s President and CEO. “This partnership enhances our offerings by allowing consumers who choose Esurance the added convenience of completing their purchase seamlessly online. We are confident that Esurance reflects our commitment to product variety and quality, and are proud to have them in our program.”

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.