Reliable Power Systems Announces the Appointment of John R. Walter as Co-Chairman of the Board of Directors.

Business Editors

DENVER--(BUSINESS WIRE)--Sept. 5, 2001

Reliable Power Systems, Inc. (OTCBB:RPSI) Founder and Chairman Thomas J. Wiens today announced that John Walter has joined the Board of Directors of Reliable Power Systems as Co-Chairman.

Mr. Walter is the former President and Chief Operating Officer of AT&T and the former Chief Executive Officer of R.R. Donnelley & Sons, one of the world's largest printing companies. Mr. Walter has a wealth of experience building and operating major businesses and currently serves on the boards of directors of Manpower Inc., Deere & Company, Abbott Laboratories, Applied Graphics Technologies, Inc., Jones Lang LaSalle, Inc. and SNP Corporation of Singapore.

Mr. Walter commented that "Reliable Power Systems is clearly in the right place at the right time. The need for power quality and reliability technologies along with energy management and distributed generation is clear. We have a First World economy and a Third World power grid. As a result, there is a huge change taking place in the U.S. economy as it relates to the way we manage power. RPSI's approach to this market will provide quality power solutions to business that is greatly needed in today's digital economy. RPSI could be one of the companies to take advantage of this rapidly changing market. This situation reminds me a great deal of the revolution that took place in the telecommunications industry several years ago. I believe that the change in the power industry and RPSI's products and services provide great opportunity for building shareholder value."

Reliable Power Systems CEO Joe Livingston stated: "John is one of the most recognized people in business today. He has experience leading and advising some of the world's largest corporations, and his associations span nearly every aspect of the business world. We are building a world-class management team and board of directors, and we all look forward to working closely with John as we continue to build RPSI."

Reliable Power Systems (OTCBB:RPSI), based in Castle Rock, Colo., develops total power systems for industrial, commercial, medical, data and telecom users that address the growing crisis facing power users from an aging infrastructure, deregulation and surging global demand. The company's solutions include: 1) power quality and reliability technologies; 2) energy information management systems and 3) niche distributed generation. RPSI has several patents and retains the rights to other technologies, all of which provide standards that it believes are unmatched in the industry. For more information, please contact Matthew Essig at 720/733-8970.

The statements included in this press release concerning predictions of economic performance and management's plans and objectives constitute forward-looking statements made pursuant to the subject of the Safe Harbor provisions created by the Private Securities Litigation Reform Act of 1995. These statements involve risks and uncertainties that could cause actual results to differ materially from the forward-looking statements. Factors which could cause or contribute to such differences include, but are not limited to, factors detailed in the Company's Securities and Exchange Commission filings; downturns in the Company's primary markets; disruptions in the Company's operations from acts of God or extended maintenance; transportation difficulties and the unavailability of financing to complete management's plans and objectives.