e.Digital Corporation files interference request with U.S. Patent Office against digEplayer™ Patent Application (SAN DIEGO, CA, September 13, 2006) – e.Digital Corporation (OTC: EDIG), a leading innovator of proprietary secure digital video technology and products, and important technology in the use of flash memory in portable devices, announced it has requested the U.S. Patent & Trademark Office (USPTO) declare an interference between e.Digital’s U.S. Patent Application No. 10/938,060 and APS/digEcor U.S. Patent Application No. 10/657,822. The Company believes both patent applications are based upon proprietary security and encryption methods developed by e.Digital. The Company believes that these methods are used in the digEplayer 5500™. e.Digital is asserting that the 10/657,822 APS/digEcor patent application was filed without its consent or knowledge using e.Digital’s documents and containing e.Digital’s proprietary intellectual property. e.Digital is requesting that the USPTO declare e.Digital the inventor and that it be awarded the patent rights to this key technology. e.Digital is also evaluating other actions it may take regarding this matter. 1250 Unit digEplayer™ Order Based on personal inspection and direct contact with Maycom and its vendors, e.Digital believes that Maycom is on schedule to deliver the 1250 units in mid-October. e.Digital is actively monitoring Maycom’s progress and is scheduled to have personnel in Korea to inspect manufacturing and final assembly of the 1250 units. As previously stated, delivery of this order is not assured nor can there be assurance that digEcor will accept delivery pursuant to the terms of the order. About e.Digital Corporation:. e.Digital is a provider of secure portable Video on Demand products including its eVU™ mobile entertainment system. e.Digital also licenses its MicroOS™, Content Mark-Up Language (CML) application, LDP software, patent-pending Hardware Security technologies, Digital Rights Management (DRM) solutions, Content Download applications, Encryption and Content Protection solutions, and Video Display software applications. Additionally, e.Digital partners with leading, innovative companies, designing and providing manufacturing services for products employing the Company’s proprietary digital technology platforms. e.Digital is also pursuing the monetization of its important flash memory-related patent portfolio. For more information about e.Digital and its technology platforms, please visit the company website at www.edigital.com. Safe Harbor statement under the Private Securities Litigation Reform of 1995: All statements made in this document, other than statements of historical fact, are forward-looking statements within the meaning of Section 21E of the Securities Exchange Act. You should not place undue reliance on these statements. We base these statements on particular assumptions that we have made in light of our industry experience, the stage of product and market development, expected future developments and other factors that we believe are appropriate under the circumstances. These forward-looking statements are based on the then-current expectations, beliefs, assumptions, estimates and forecasts about the businesses of the Company and the industries and markets in which the company operates. These statements are not guarantees of future performance and involve risks, uncertainties that could cause actual results to differ materially from those suggested in the forward-looking statements, including but not limited to the Company’s ability to finance its operations, having the USPTO rule in the Company’s favor on its interference request, favorably resolve the complaint filed by digEcor, Inc. against the Company and certain of its officers and employees, sell its products, implement a turnkey financial, product, and maintenance solution, manufacture and ship orders in a timely manner, secure additional business, and other risks identified and discussed in our filings with the Securities and Exchange Commission (“SEC”). Actual outcomes and results may differ materially from what is expressed or implied by the forward-looking statements. More information about potential factors that could affect the Company can be found in its most recent Form 10-K, Form 10-Q and other reports and statements filed with the Securities and Exchange Commission (“SEC”). e.Digital Corporation disclaims any intent or obligation to update these or any forward-looking statements, except as otherwise specifically stated by it. Note: eVU and MicroOS are trademarks of e.Digital Corporation. All other company, product, and service names are the property of their respective owners. CONTACT: e.Digital Corporation: Robert Putnam, (858) 304-3016 ext. 205, rputnam@edigital.com e.Digital 16770 West Bernardo Drive San Diego, CA 92127 Phone: (866) 502-8234 Fax: (858) 304-3023 Stock Symbol: EDIG.OB