Contact:

Mallorie Burak
Chief Financial Officer
Rainmaker Systems, Inc.
408-340-2510
mallorie.burak@rmkr.com

Rainmaker Systems Announces Q2 FY2013 Earnings Conference Call to be Held August 12, 2013 CAMPBELL, Calif.- - Rainmaker Systems, Inc. (OTCQX: RMKR), a recognized technology leader in the rapidly emerging Cloud-based B2B e-Commerce market, today announced that it will hold a conference call to discuss its Q2 FY 2013 financial results on Monday, August 12, at 2 p.m. Pacific Daylight time. The company will issue its Q2 earnings news release after the market closes the same day.

What: Q2 Fiscal Year 2013 Earnings Conference Call
When: Monday, August 12, 2013, at 2 p.m. Pacific Time (5 p.m. Eastern Time)
Webcast: A live and archived webcast of the conference call can be accessed from the investors section of Rainmaker Systems' website at: http://www.rainmakersystems.com/calls.html
Dial-In: To access the live call, dial toll-free: 888-438-5535 passcode: 2771789
Replay: An audio replay of the conference call can be accessed at 888-203-1112. The replay will be available starting two hours after the call and remain in effect for 30 days. The required pass code is 2771789.
For more information on Rainmaker Systems' products and solutions, please visit www.rainmakersystems.com/solution.html.

About Rainmaker Systems, Inc.

Rainmaker Systems is a B2B e-Commerce company that helps organizations of all sizes, ranging from Fortune 500 enterprises to small-to-medium-sized businesses, create new revenue streams from segments of their customer base that extend beyond traditional sales team capabilities. With its unique approach, Rainmaker Systems delivers proprietary cloud-based e-Commerce technology, global and

localized sales-assist agents, and best-practice sales and marketing expertise, allowing customers to discover and monetize untapped revenue opportunities.

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