March 6, 2008

e.DIGITAL FILES PATENT INFRINGEMENT LAWSUITS AGAINST AVID ELECTRONICS, CASIO AMERICA, LG ELECTRONICS USA, NIKON, OLYMPUS AMERICA, SAMSUNG ELECTRONICS AMERICA AND SANYO NORTH AMERICA

(SAN DIEGO, CA, – March 6, 2008) – e.Digital Corporation (OTC: EDIG), a leading innovator of patented flash memory-related technology and dedicated portable inflight entertainment (IFE) systems announced today that it has filed patent infringement lawsuits against Avid Electronics, Casio America, LG Electronics USA, Nikon, Olympus America, Samsung Electronics America, and Sanyo North America in the United States District Court for the Eastern District of Texas. Last September, e.Digital filed a similar suit against Vivitar, a wholly-owned subsidiary of Syntax-Brillian. In its complaint e.Digital asserts that products made by the listed companies infringe four of the Company’s U.S. patents covering the use of flash memory technology. These patents are part of e.Digital’s Flash-R™ patent portfolio. The accused products range from digital cameras and camcorders to voice recorders and mobile phones.