National Scientific Corporation Receives Order for Travado IBUS Units from Major Thomas Built Buses Distributor

SCOTTSDALE, Ariz.--(BUSINESS WIRE)--May 23, 2005--

National Scientific and Auto Safety House to Provide Additional Equipment for Thomas Built Buses in the Southwest

“We believe that the ability of Travado to provide superb quality video and optionally keep track of children using the bus system can make it a powerful tool for combating truancy and improving overall safety for students riding anywhere.”

U.S. technology firm National Scientific Corporation (OTCBB:NSCT) today announced the receipt of an additional order for their Travado IBUS(TM) digital video and school bus rider authentication system. The order was placed by Auto Safety House (ASH), a leading supplier of Thomas Built Buses, for buses within a Phoenix-area school district.

This new purchase order, for an additional 22 units, increases the number of units originally ordered by ASH. Auto Safety House ordered National Scientific Corporation's Travado IBUS(TM) Mobile Digital Video Recording (DVR) and location-aware system for the same school district. Now, almost one third of the ordering school's buses will be equipped with this technology, making the Arizona school district one of the first in the United States to adopt this type of technology as a major component of their school transportation safety package.

Travado IBUS(TM) combines the user's choice of digital video, biometrics, GPS, WiFi, and cellular into a comprehensive and cost effective solution for schools. Travado allows schools to easily customize the technology to meet their bus security requirements today, while still allowing for future flexibility through platform expansions and upgrades. The base system records digital video and will automatically download events, over a WiFi network, directly to the school's computer network without having to go out to the bus. By adding cellular communication with Travado's location-aware DVR, a real-time direct feed is established to the school administration. This feed enables a school, first responder, or administration office to know exactly where the bus is, who is riding on it, and see what is happening, all in real-time from the comfort of a PC.

An even more exciting and unique piece of functionality is that Travado(TM) technology can give school administrators automated attendance, bus utilization data, streamlined reporting, and the ability to track and receive faster accurate reimbursements through government-sponsored programs with less administrative burden. In addition, the system can be set-up to automatically notify parents via email or a cell phone text message when their children embark and/or disembark from their school bus, providing parents with peace of mind in knowing their children arrived safely at a specific destination, and at a specific time.

National Scientific Corporation CEO, Michael Grollman, added, "We believe that the ability of Travado to provide superb quality video and optionally keep track of children using the bus system can make it a powerful tool for combating truancy and improving overall safety for students riding anywhere."

For more information about National Scientific, its technology and its people, please visit the company's website at www.national-scientific.com or call them directly at 480-948-8324. Auto Safety House information is found at www.autosafetyhouse.com or by calling [phone].

About Auto Safety House, LLC

Since 1941 Auto Safety House (ASH) has provided parts and service for buses, trucks and trailers of all sizes. In the late 50's ASH began building and selling customized truck bodies for work trucks. ASH is the exclusive distributor for Thomas Built Buses for Arizona and Nevada. Since 1958 ASH has been and continues to be the largest and most notable school bus sales dealer in Arizona. In addition, the company provides a full line of service and parts for all makes and models of school buses for the Arizona and Nevada territories.

About National Scientific Corporation

National Scientific Corporation (OTCBB:NSCT) offers effective indoor and outdoor wireless location-sensitive solutions. National Scientific's core business focuses on wireless location-sensing products and semiconductor IP (8 patents), with solutions that blend semiconductor design, Wi-Fi, GPS, Linux, RFID, UWB, satellite, cellular, video technologies and more into cost-effective and unique vertical market platforms. Intent upon making devices that are smaller, faster, safer, and with a special interest in the safety of children, National Scientific develops and sells a variety of devices that location-enable important commercial and non-commercial activities, such as the safe and secure movement of people and assets over short and long distances.

Certain information and comments contained in this press release may be forward-looking statements (within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934). Factors set forth in the company's Annual Report on Form 10-KSB for the fiscal year ended September 30, 2004, its subsequent Form 10-QSB filings together with other factors that appear in this press release or in the Company's other SEC filings could affect the Company's actual results and could cause the Company's actual results to differ materially from those expressed in any forward-looking statements made by, or on behalf of the company, in this press release. The Company undertakes no obligation to publicly release the results of any revisions to the forward-looking statements made in this press release to reflect events or circumstances after the date hereof, or to reflect the occurrence of unanticipated events.