RAINMAKER SIGNS NEW CLIENT EXTRICOM FOR LEAD DEVELOPMENT PROGRAM
Leadworks Technology Solution to Be Deployed Across North America

Campbell, Calif. – March 25, 2008 – Rainmaker Systems, Inc. (NASDAQ: RMKR), a leading provider of sales and marketing solutions combining hosted application software and execution services, today announced it will deploy its Leadworks™ lead development technology solution on behalf of its newest client, Extricom, a leading provider of high-performance enterprise-class wireless LAN solutions for converged voice (VoWLAN), data, video, and location-based service.

The yearlong engagement calls for Rainmaker to provide outbound lead development, inbound response management, and appointment setting services throughout North America as Extricom expands its global footprint.

“Our partnership with Rainmaker is integral to Extricom’s overall strategy to expand our sales coverage and go-to-market model in North America,” said Honoré Labourdette, Extricom’s Vice President of Sales for North America. “We selected Rainmaker because of their proven track record and their ability to help us to respond quickly to the increasing demand for our solution. In the end, this partnership enables us to get closer to our customers.”

“We are delighted Extricom has chosen to engage with us and leverage our fully integrated combination of hosted technology, data and expertise on their behalf,” said Michael Silton, Rainmaker’s CEO. Rainmaker’s program methodologies and best practices have been derived from decades of experience planning, executing and optimizing sales and marketing support programs for the world’s leading business technology companies. We look forward to developing this opportunity into an expanded, long term relationship with this premier client.”

About Extricom
Extricom is a leading provider of high-performance enterprise-class infrastructure solutions for converged voice (VoWLAN), data, video and location-based services.  Its innovative Interference-Free™ architecture, based on Channel Blanket™ technology, enables dramatically easier WLAN deployment and lower total cost of ownership, while achieving a generational leap in capacity, coverage, seamless mobility and security performance for Wi-Fi. The result is a large scale, 802.11 standards-based WLAN infrastructure with the dependability of a wired network. Founded in 2002, Extricom is privately held, with strategic investors that include Motorola. For General Inquiries: www.extricom.com. Media: Erin Talbot, Abelson Group, +1 212 289 1218, erin.talbot@abelsongroup.com, Analysts: Mike Doheny, +1 708 557 5007, mike.doheny@extricom.com.

About Rainmaker
Rainmaker Systems, Inc. delivers sales and marketing solutions, combining hosted application software and execution services designed to drive more revenue for our clients. Our Revenue Delivery PlatformSM combines proprietary, on-demand application software and advanced analytics with specialized sales and marketing execution services. Rainmaker clients include large enterprises in a range of industries, including computer hardware and software, telecommunications, and financial services industries. For more information visit www.rmkr.com or call
800-631-1545.

NOTE: Rainmaker Systems, the Rainmaker logo, Sunset Direct and Contract Renewals Plus are registered with the U.S. Patent and Trademark Office. All other service marks or trademarks are the property of their respective owners.
 
This press release contains forward-looking statements regarding future events. These forward-looking statements are based on information available to Rainmaker as of this date and they assume no obligation to update any such forward-looking statements. These statements are not guarantees of future performance, and actual results could differ materially from current expectations. Among the important factors which could cause actual results to differ materially from those in the forward-looking statements are general market conditions, unfavorable economic conditions, our ability to execute our business strategy, our ability to integrate acquisitions without disruption to our business, the effectiveness of our sales team and approach, our ability to target, analyze and forecast the revenue to be derived from a client and the costs associated with providing services to that client, the date during the course of a calendar year that a new client is acquired, the length of the integration cycle for new clients and the timing of revenues and costs associated therewith, our client concentration given that we are currently dependent on a few significant client relationships, potential competition in the marketplace, the ability to retain and attract employees, market acceptance of our service programs and pricing options, our ability to maintain our existing technology platform and to deploy new technology, our ability to sign new clients and control expenses, the possibility of the discontinuation and/or realignment of some client relationships, and the financial condition of our clients' businesses, and other factors detailed in the Company's filings with the Securities and Exchange Commission, including our filings on Forms 10-K and 10-Q.

CONTACT:
Steve Valenzuela
CFO
Rainmaker Systems, Inc.
(408) 626-2439
steve.valenzuela@rmkr.com
  Todd Kehrli or Jim Byers
Investor Relations
MKR Group, Inc.
(323) 468-2300
rmkr@mkr-group.com