Rainmaker to Host Investor Conference Call Thursday, January 17, 2013, To Introduce Newly Appointed CEO Donald J. Massaro Campbell, Calif., January 10, 2013 - Rainmaker Systems, Inc. (NASDAQ: RMKR), a leading global e-Commerce software company that helps multi-national companies address the B2B market by maximizing sales revenue for their products and services, has scheduled an investor conference call to introduce newly appointed Chief Executive Officer Donald J. Massaro. The investor call is scheduled at 1:30 p.m. Pacific Standard Time (4:30 p.m. EST) on Thursday, January 17, 2013. What: Rainmaker Investor Call to Introduce Newly Appointed CEO Donald J. Massaro When: Thursday, January 17, 2013, at 1:30 p.m. Pacific Standard Time (4:30 p.m. EST) Webcast: A live and archived webcast of the conference call can be accessed from the

investors section of Rainmaker's website at www.rainmakersystems.com.

Dial In: To access the live call, dial 1 866-696-5910 and request the "Rainmaker" call.

Passcode: 5253422

Replay: An audio replay of the conference call can be accessed at 1 800-408-3053. The replay will be available starting two hours after the call and remain in effect for one week. The required passcode is 4544079.

For more information on Rainmaker products and solutions, visit http://www.rainmakersystems.com/solution.html.

About Rainmaker

Rainmaker is an e-Commerce software company that helps multi-national companies address the B2B market by maximizing sales revenue for their products and services. The Rainmaker e- Commerce platform can be enhanced with Rainmaker global customer assist agents to maximize revenue and customer satisfaction through the entire customer life cycle. For more information, visit http://www.rainmakersystems.comor call 800-631-1545.

CONTACT:

Robert Ferri Partners
Robert Ferri
(415) 575-1589 robert.ferri@robertferri.com

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