Authorize.Net Partners With Comodo to Offer Merchants Highly Secure PKI-Based SSL Certificates

2006 ETA Annual Meeting & Expo, LAS VEGAS, NV, April 22, 2006 . Authorize.Net, Corp., a service of Lightbridge, Inc., (NASDAQ: LTBG), and Comodo Inc., a global leader in Identity and Trust Assurance Management solutions, today announced an exclusive multi-year deal to offer Comodo's range of Public Key Infrastructure (PKI) based Secure Sockets Layer (SSL) certificates.

Comodo's line of PKI-based certificates is designed for merchants to create a trusted online experience and include Instant and Premium High Assurance level SSL certificates. These premium SSL certificates ensure that legitimate Web merchants have a highly secure connection to the Authorize.Net Payment Gateway for optimum data transaction encryption and protection. Further, Authorize.Net merchants will be able to display the Comodo TrustLogo Site Seal that provides their customers with Web site identity assurance by linking to a real-time database to confirm the validity of Comodo's SSL certificates.

As a leading payment gateway managing over 247 million online payment transactions for more than 136,000 merchants each year, Authorize.Net is committed to helping its merchants protect themselves from security threats such as phishing or ID theft. Implementing Comodo's Identity and Trust Assurance (ITA) technologies provides a strong foundation of protection for Authorize.Net merchants by offering the strongest levels of encryption available, while providing validation of legitimacy to end users.

"Authorize.Net is always looking for new opportunities to provide our merchants with ways to enhance the security of their business," said Roy Banks, Authorize.Net president. "With an SSL certificate issued by Comodo, merchants will be assured that all data passing between their Web site and the Authorize.Net Payment Gateway remains secure and confidential. In addition, by displaying the Comodo TrustLogo Site Seal, our merchants are sure to boost their customers' trust and confidence."

James Langman, director of business development at Comodo, said, "As a leading Certification Authority, Comodo is pleased to be chosen as the best fit to provide critical security solutions to Authorize.Net merchants to enhance end-user trust. Together, Authorize.Net and Comodo continue to deliver innovative new identity and trust assurance solutions that empower e-commerce merchants to increase Web traffic, conversion rates and ultimately revenues. This partnership will extend new trust solutions to a wide variety of online businesses to help them succeed."

About Comodo

Comodo is a leading global provider of Identity and Trust Assurance services on the Internet, with over 200,000 customers worldwide. Headquartered in Jersey City, NJ with global offices in the UK, Ukraine, Norway and India, the company offers businesses and consumers the intelligent security, authentication and assurance services necessary to ensure trust in online transactions.

As a leading Certification Authority, and in combination with the Digital Trust Lab (DTL), Comodo helps enterprises address digital ecommerce and infrastructure needs with reliable, third generation solutions that improve customer relationships, enhance customer trust and create efficiencies across digital ecommerce operations. Comodo's solutions include integrated Web hosting management solutions, infrastructure services, digital e-commerce services, digital certification, identity assurance, customer privacy and vulnerability management solutions. For additional information on Comodo - Creating Trust Online™ - please visit: www.comodogroup.com.

About Authorize.Net® (www.authorize.net)

Authorize.Net provides secure, reliable, Internet Protocol (IP) based payment gateway solutions that enable over 136,000 merchants to authorize, settle and manage electronic transactions anytime, anywhere, via Web sites, at retail, mail order/telephone order (MOTO) call centers and on wireless devices. Authorize.Net is sold through an extensive network of reseller partners and leading financial institutions that offer its industry leading payment services to their merchant customers. Authorize.Net is a service of Lightbridge, Inc.

About Lightbridge® (www.lightbridge.com)

Lightbridge, Inc. (NASDAQ: LTBG) is a leading e-commerce, analytics and decisioning company that businesses trust to manage customer transactions. Lightbridge adds value to fraud screening, credit qualification and payment authorization. Lightbridge solutions leverage intelligent automated systems and human expertise, delivered primarily through the efficiencies and cost savings of an outsourced business model. Businesses use Lightbridge to make smarter decisions, deliver better services, provide secure payments, reduce costs and enhance the lifetime value of their customers. For more information, visit www.lightbridge.com.

AUTHORIZE.NET, LIGHTBRIDGE, and the Lightbridge logo are registered trademarks of Lightbridge Inc. or its subsidiaries. All other marks are the property of their respective owners.
Forward-looking Statements

Certain statements in this news release that are not historical facts, including, without limitation, those relating to the Company's products, services, partners, certifications, security, markets and growth prospects, success and third party products or services are forward-looking statements that involve risks and uncertainties. Such statements are based upon the current beliefs and expectations of the management of the company. Actual results may vary materially from those contained in forward-looking statements based on a number of factors including, without limitation, (i) dependence on a limited number of clients, (ii) the Company's revenue concentration in the wireless telecommunications business and the declining subscriber growth rate in that business, (iii) continuing rapid change in the telecommunications industry and payment processing industries, and other markets in which the company does business that may affect both the company and its clients, (iv) the impact of competitive products, services and pricing on both the company and its products and services, (v) market acceptance of the company's new or enhanced products, services and technologies, (vi) the industry risks associated with Authorize.Net's business and operations including, without limitation, illegal or improper uses of Authorize.Net's payment system, unauthorized intrusions or attacks on Authorize.Net's payment system that may impair the operations of its payment system, changes or failures to comply with credit card association rules, governmental regulation and the application of existing laws to Authorize.Net's business and dependence on relationships with a third party payment processors, and (vii) factors disclosed in the company's filings with the U.S. Securities and Exchange Commission including, without limitation, its 2005 Annual Report on Form 10-K and its most recent Quarterly Report on Form 10-Q. The company undertakes no obligation to update any forward-looking statements.