Charles Schwab Purchases SumTotal’s Enterprise Learning Management Solution

Mountain View, Calif. – April 17, 2006 – SumTotal™ Systems (Nasdaq: SUMT), the largest provider of learning and business performance technologies and services, announced that Charles Schwab & Co., Inc. has purchased SumTotal’s LMS 7.1, which is an enterprise platform solution for analyzing, storing and delivering learning. Schwab will use the software, among other things, to instruct 14,000 employees on job skills as well as compliance and regulatory issues.

"SumTotal will enable us to align training with our corporate strategy and business goals to generate bottom-line results," said Chip Luman, senior vice president Shared Services, Compensation and Benefits at Charles Schwab Co., Inc. "We are looking forward to deploying SumTotal to our workforce."

According to SumTotal, financial organizations use its solution to reduce not only the time it takes to develop a workforce but also the costs associated with learning and development. SumTotal says its products also simplify regulatory compliance audits. Financial institutions have also tapped SumTotal’s technology to streamline the delivery of strategic messages linked to mergers and acquisitions, corporate restructurings, new products and services.

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, Paris, Singapore, Sydney, Tokyo, Hong Kong and Hyderabad, India. For more information about SumTotal's products and services, visit www.sumtotalsystems.com.

Safe Harbor Statement/ Forward-Looking Statements
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 SumTotal Enterprise Suite 7.1; (ii) the inability to fix in a timely fashion unanticipated bugs, errors or defects that materially impact the functionality or usability of SumTotal Enterprise Suite 7.1; (iii) the acceptance of SumTotal Enterprise Suite 7.1 and future product offerings; (iv) the ability to successfully implement SumTotal Systems' solutions; (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, and Form 8-Ks.