Campbell, Calif. – March 1, 2007 – Rainmaker Systems, Inc. (NASDAQ: RMKR),a leading provider of sales and marketing solutions combining hosted application software and execution services, today announced that a Tier 1 wireless and data services Client will extend and expand its agreement with the company. In addition to ongoing lead development services, Rainmaker will also support several campaign-specific roll-outs the Client has planned for 2007.

Rainmaker has provided lead generation and appointment setting services to the Client’s Enterprise Group, utilizing Rainmaker’s proprietary Prospect Intelligence SM database and Rainmaker’s Revenue Delivery Platform SM technology since 2005.

Rainmaker’s enhanced data analytics, multi-touch outbound marketing activities and inbound response management services are designed to help this Client convert raw customer data into meaningful interactions with key decision makers, generate more sales, and increase brand awareness and loyalty within its customer base.

About Rainmaker
Rainmaker Systems, Inc. delivers lead development, training, and contract sales solutions designed to more efficiently and effectively deliver revenue. Our Revenue Delivery Platform combines proprietary, on-demand application software with expert execution services and proven best practices in enhanced data analytics and integrated multi-channel communications that maximize business-to-business marketing and sales efforts. Our clients include leading companies in the hardware, software, telecommunications, and financial services industries. For more information visit www.rmkr.com.

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.
 
Some of the information in this press release may contain projections or other forward-looking statements regarding future events or the future financial performance of the Company and its subsidiaries. We wish to caution you that these statements involve risks and uncertainties and actual events or results may differ materially. 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 (including our acquisitions of Sunset Direct, Launch Project, Metrics Corporation and ViewCentral) and expand our operations 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 the Company remains dependent on a few large 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 of some client relationships, the financial condition of our clients’ business and other factors detailed in the Company's filings with the Securities and Exchange Commission, including our recent filings on Forms 10-K and 10-Q.