CyberSource CEO and CFO to Speak at the Canaccord Adams Global Growth Conference and the Oppenheimer Annual Communications, Technology & Internet Conference

CyberSource Corporation (NASDAQ: CYBS), a leading provider of electronic payment and risk management solutions, announced today that Bill McKiernan, Chairman and Chief Executive Officer, and Steven Pellizzer, Chief Financial Officer, will speak at the Canaccord Adams Global Growth Conference in Boston, Mass., on August 11, 2009.

Mr. McKiernan and Mr. Pellizzer will also speak at the Oppenheimer Annual Communications, Technology & Internet Conference in Boston, Mass., on August 12, 2009. The audio-only portion of the presentation will be webcast simultaneously during this conference at 11:50 am (EST). To access the webcast of this presentation, go to: http://ir.cybersource.com/events.cfm

Mr. McKiernan will discuss CyberSource's position in the industry and its principal initiatives; Mr. Pellizzer will address the company's financial performance.

CyberSource Corporation is a leading provider of electronic payment and risk management solutions. CyberSource solutions enable electronic payment processing for Web, call center, and POS environments. CyberSource also offers industry leading risk management solutions for merchants accepting card-not-present transactions. CyberSource Professional Services designs, integrates, and optimizes commerce transaction processing systems. Approximately 273,000 businesses use CyberSource solutions, including half the companies comprising the Dow Jones Industrial Average. The company is headquartered in Mountain View, California, and has sales and service offices in Japan, the United Kingdom, and other locations in the United States including Bellevue, Washington and American Fork, Utah. For more information on CyberSource please visit www.cybersource.com or email info@cybersource.com. For more information on Authorize.Net small business solutions, please visit www.authorize.net or email sales@authorize.net.

Katrina Rymill
CyberSource Corporation
650.965.6154
krymill@cybersource.com

Editorial Contact:
Bruce Frymire
CyberSource Corporation
650.965.6042
bfrymire@cybersource.com

© 2009 CyberSource Corporation. All rights reserved. CyberSource is a registered trademark in the U.S. and other countries. Authorize.Net is a registered trademark in the U.S. All other brands and product names are trademarks or registered trademarks of their respective companies.