SumTotal Manages Learning for European Directory Services Company Seat Pagine Gialle

Mountain View, Calif. – September 18, 2006 – SumTotal® Systems (Nasdaq: SUMT), the largest provider of talent, learning and business performance solutions, announced that Seat Pagine Gialle, a European provider of directory services, will deploy a SumTotal learning management system (LMS), an enterprise platform for analyzing, storing and delivering learning.

With its headquarters in Turin, Seat Pagine Gialle is the leading directory publisher in Italy, and has operations in the United Kingdom, Germany and France.

Seat Pagine Gialle will use the SumTotal system to train its 4,000 employees and agents about the company’s products and plan new-hire training on sales techniques.

“With thousands of employees and agents across Europe, one of the challenges we faced was making our training tools available throughout the company,” said Giancarlo Beck, chief executive of Seat Corporate University, “We selected SumTotal following a careful evaluation; the LMS will help us reach all our employees and agents in all our territories, giving us consistency, flexibility and control in our training.”

Keith Smith, SumTotal’s vice president of sales for EMEA, added, “SumTotal provides companies with the tools to improve talent and performance across their entire operation. We are delighted to help this business not only maintain its high standards, but also aim for improved performance.”

About Seat Pagine Gialle, SpA
The Seat Pagine Gialle Group is the European leader of multimedia telephone directories, offering “print-voice-online” directories as well as complementary services such as one-to-one marketing.

Seat Pagine Gialle has been engaged in information services and search and communications tools for over 80 years. It is a success story based on a brand that is familiar to everyone, a sales network employing 2,000 persons, a technology that is constantly evolving and a database that includes 20 million households and 3 million businesses and a wide range of products guaranteeing a real, integrated system of communications to about 700,000 customers. Seat Pagine Gialle connects people and businesses through a total of 59.5 million volumes distributed to the homes and offices of Italian subscribers (2005 figures), 18.5 million inquiries through the directory assistance service (2005 figures), and 270 million hits on online directories (2005 figures) connect people and businesses.

About SumTotal Systems, Inc.
SumTotal Systems, Inc. (NASDAQ: SUMT) is the largest provider of learning and business performance technologies and services. SumTotal deploys mission-critical solutions that align learning with organizational and business goals to generate significant bottom-line results. With more than 17 million users worldwide, SumTotal has helped accelerate performance and profits for more than 1,500 of the world’s best-known companies and government agencies including Accenture, Aetna, Cendant, DaimlerChrysler, Delta Air Lines, Harley-Davidson, Microsoft, Novartis, PNC Bank, U.S. Army, U.S. Air Force, U.S. Navy, U.S. Coast Guard, U.S. Bancorp, United Airlines, Vodafone, Wachovia and Wyeth. SumTotal has offices throughout the United States, in London, Frankfurt, Paris, Singapore, Sydney, Tokyo, Hong Kong and Hyderabad, India. For more information about SumTotal's products and services, visit www.sumtotalsystems.com.

Safe Harbor / Forward-Looking Statements
Information in this press release contains forward-looking statements. These statements represent SumTotal Systems' expectations or beliefs concerning future events. These statements are not historical facts or guarantees of future performance or events and are based on current expectations, estimates, beliefs, assumptions, goals and objectives, and involve known and unknown risks, uncertainties and other factors that may cause actual results to be materially different from the results expressed or implied by these statements. Readers of this press release are cautioned not to place undue reliance on any forward-looking statements. Additional factors that could cause actual results to differ include, but are not limited to (i) unknown errors or bugs in Pathlore LMS 6.5; (ii) the inability to fix in a timely fashion unanticipated bugs, errors or defects that materially impact the functionality or usability of Pathlore LMS 6.5, (iii) the acceptance of SumTotal Enterprise Suite 7.2 and future product offerings; (iv) the ability to successfully implement SumTotal Systems' solutions and affect the quality and control of training; (v) the ability to successfully address technological developments and standards; (vi) the ability to successfully manage growth, significant current and expected additional competition, and the need to continue to expand product distribution and services offerings; and (vii) other events and other important factors disclosed previously and from time to time in SumTotal Systems' filings with the Securities and Exchange Commission, including the annual report for fiscal year 2005 on Form 10-K filed March 28, 2006, the quarterly report for the quarterly period ended June 30, 2006 on Form 10-Q filed August 9, 2006 and Form 8-Ks. The forward-looking statements contained in this release are made as of September 18, 2006, and SumTotal does not assume any obligation to update such statements to reflect events or circumstances occurring after the date of this release.