Litronic Wins Half Million Dollar Contract With Defense Message System to Secure Windows Platforms; Downloadable Package Will Secure 300,000 Users.

Business Editors

DMS (Defense Messaging System) Conference, booths 11 and 12

IRVINE, Calif.--(BUSINESS WIRE)--April 18, 2000

Litronic Inc. (Nasdaq:LTNX), a leading provider of Internet security solutions, Tuesday announced a half million dollar security software order from the U.S. Department of Defense (DoD).

The DoD is licensing a downloadable software package that enables a Fortezza digital signature and encryption system to run on Windows 95, 98, NT and 2000 within the Defense Messaging System (DMS). The DMS is a secure messaging system for all organizational and individual correspondence within the Armed Services. With Litronic's comprehensive data security solution, email messages and their contents can be authenticated and validated using robust public key infrastructure (PKI) technology with Windows NT clients.

"The DMS routinely handles sensitive information and transactions -- choosing Litronic as their security integrator is a significant validation of our technology expertise," said Kris Shah, president and chief executive officer of Litronic Inc. "Litronic's win with the DMS reflects our ability to integrate robust and secure electronic communication technology on a large scale - this deployment has more than 300,000 users."

FORTEZZA(R) is a National Security Agency's family of security products. Litronic's government-validated FORTEZZA security software includes plug-n-play PC-card solution and socket services that allow individuals to download the product from the Internet easily and securely for the most robust digital signatures and encryption.

About Litronic

Litronic provides professional Internet data security services and develops and markets software and microprocessor-based products needed to secure electronic commerce business transactions and communications over the Internet and other communications networks based on Internet protocols.

Litronic's data security products use an advanced form of computer security technology referred to as public key infrastructure (PKI). Litronic's Internet security products can be used with World Wide Web browsers, including Netscape Communicator and Microsoft Internet Explorer. Additional information on Litronic is available on the company's Web site at http://www.litronic.com.

Safe Harbor Statement Under the Private Securities Litigation Reform Act of 1995 With the exception of historical information, the matters discussed in this news release relating to future sales, the projected growth of e-commerce and of the Internet security market; and to Litronic's ability to penetrate the Internet security market and to transition to commercial markets are forward looking statements that involve a number of risks and uncertainties, including competition from companies with greater financial and technical resources than Litronic, the difficulty in continuing technical innovation (particularly in light of the competitive market for technical personnel), and the acceptance of Litronic's products in the commercial marketplace. Other risks inherent in Litronic's business are described in Securities and Exchange Commission filings, including the company prospectus. Litronic undertakes no obligation to revise or update any forward-looking statements to reflect events or circumstances after the date of this release.

Note to Editors: Litronic will be at the DMS (Defense Messaging System) Conference May 1, 2000 at the Hyatt Regency Tampa in Florida, booths 11 and 12. To schedule an appointment or request an advanced briefing, contact Gina Ray at 949/224-4023 or [e-mail].