CyberSource Sets Release Date for Fourth Quarter Financial Results

MOUNTAIN VIEW, Calif. - January 19, 2010

Live conference call
888-585-4496 (U.S. and Canada), 706-634-9580 (local and international). The call's conference ID number is: 40189948. A taped replay of this call will be available through March 31, 2010. The dial-in numbers for the taped replay are: 800-642-1687 (U.S.) 706-645-9291 (local and international). Conference ID is as above.

Live web cast
http://ir.cybersource.com/events.cfm
A replay of this web cast will remain available at this location through March 31, 2010.

About CyberSource

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 284,000 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.

Global Corporate Relations:

CyberSource Corporation
650-432-2990
globalmedia@visa.com