Interphase Appoints Randall Ledford to Board of Directors.

Business/High-Tech Editors

DALLAS--(BUSINESS WIRE)--May 22, 2001

Interphase Corporation (Nasdaq:INPH), an international supplier of next-generation networking technologies, today announced the appointment of Randall D. Ledford, senior vice president and chief technology officer

"I see this as a great opportunity for me to be a part of Interphase's future success," said Dr. Ledford. "Interphase has a long history of developing leading edge solutions, and I look forward to working with the executive team to position the company to continue delivering some of the market's most innovative products."

Dr. Ledford is currently responsible for leading the strategic technical direction of Emerson Electric, advising it on technology acquisitions and directing strategic investment programs for research and development, as well as new product investments. He is also president of the internal Emerson Electric subsidiary investing in technology venture companies. Before joining Emerson Electric, Ledford was president and general manager of several divisions of Texas Instruments Inc. including software, digital imaging, enterprise solutions and process automation. He began his career at Bell Telephone Laboratories where he worked on UNIX development, fiber optic communication and microwave transmissions.

"We are excited and honored to welcome Randall to the board of directors and feel that his appointment presents us with the experience and guidance to reach our goals," said Interphase President and CEO, Greg Kalush. "He brings with him a considerable technological background, impeccable credentials and an added dimension of business expertise that provides a great deal of value to the board and Interphase as a whole."

Dr. Ledford has an extensive background in engineering, science and business having earned a Ph.D. in physics from Duke University, publishing over 80 professional journal articles and holding over 20 patents. He assumes a recently created seat on the board bringing its total number to seven. Ledford also serves on several other technical companies' board of directors and on chief technical officer boards and forums both in the U.S. and abroad.

About Interphase Corporation

For over 25 years, Interphase Corporation has designed and delivered high-performance adapters for computer and telecommunication networks. The Company's products connect computer and telecommunication servers to SANs, WANs and LANs using Fibre Channel, ATM, SS7, Frame Relay and ISDN technologies. Headquartered in Dallas, with offices in Paris and Bangkok, Interphase 2000 revenues were $56 million. Clients include Hewlett-Packard Co., IBM Corp., Compaq Computer Corp., Motorola Inc., Fujitsu Ltd., Nortel Networks Ltd., Lucent Technologies, Inc., Lockheed Martin Corp. and the Raytheon Company. Additional information about Interphase and its products is available through the Company's Web site at www.interphase.com.

The Interphase logo is a registered trademark of Interphase Corporation. All other trade and service marks are property of their respective companies.