For Immediate Release

Editorial Contacts

Lewtan Announces New Senior Vice President of Sales and Services

Ten-Year Sales Veteran Expands Role to Include Client-Services Responsibilities

WALTHAM, Massachusetts - March 19, 2007 Lewtan Technologies, Inc.® today announced that Paul Arvidson has been promoted to senior vice president of sales and services. Arvidson joined Lewtan almost 10 years ago as a line sales executive and has expanded his role, responsibility, and contribution over the years to include all domestic sales, contract administration, and customer relationship management.

About Lewtan Technologies

Lewtan Technologies, Inc., offers a wide range of content- and technology-based solutions to members of the global asset-securitization industry, including issuers, investors, underwriters, servicers, credit enhancers, and rating agencies. More than 300 institutions worldwide rely on Lewtan’s intelligence and surveillance solutions, and the company has twice been named Global Technology Provider of the Year by the International Securitisation Report. More information is available at www.lewtan.com.