U.S. Air Force Awards Harris Corporation $9.7 Million Addition to MCOM Program for Database Support Operations Work.

Business Editors/High-Tech Writers

COLORADO SPRINGS, Colo.--(BUSINESS WIRE)--May 27, 2003

Harris Corporation (NYSE:HRS) today announced that the U.S. Air Force has awarded a $9.7 million addition to the Mission Communications Operations and Maintenance (MCOM) program for two new databases - Secure Telephone Unit (STU) III and COMSEC - bringing MCOM's total potential value for Harris to $365 million by 2009. The MCOM program, awarded to Harris in July 2002 under a one-year contract with six, one-year options, provides operations and maintenance services for the U.S. Air Force Satellite Control Network's (AFSCN's) communications functions at Schriever AFB, Colorado and Onizuka AFS, California.

Under the original $43 million MCOM contract, Harris is providing diverse communications support services to include site integration, scheduling, maintenance of technical drawings, database applications programming, local area network/wide area network (LAN/WAN) operations, help desk functions, and military satellite communications (MILSATCOM) terminal operations. The $9.7 million contract add-on specifically addresses database support work required at Schriever AFB and STU III and COMSEC support at Onizuka AFS.

"This contract addition is the first of many expected add-ons to the recently won MCOM contract, demonstrating once again the ability of the Harris team to provide technical services that are critical to the successful operation of the Air Force's satellite control network," said Phil Heacock, vice president, Space and Mission Support, Harris Technical Services Corporation (HTSC).

Harris already provides operations and maintenance support for the AFSCN's worldwide locations under the Operational Space Services and Support (OSSS) program. HTSC is executing both contracts out of its Colorado Springs Operation on behalf of Harris Corporation's Government Communications Systems Division (GCSD), headquartered in Melbourne, Florida.

The Air Force Satellite Control Network is managed by the U.S. Air Force 50th Space Wing, which operates satellite operation centers and their communications networks at Schriever AFB and remote tracking stations, and other command and control facilities around the world. These facilities monitor satellites during launch, position the satellites in their proper orbits following launch, operate the satellites while they are in orbit, and resolve satellite anomalies when they occur.

HTSC, headquartered in Alexandria, Virginia, is a wholly owned subsidiary of Harris GCSD. HTSC provides engineering and technical support solutions for prime contractors, the Department of Defense, and other government agencies worldwide.

Harris GCSD, one of five divisions within Harris Corporation, conducts advanced research studies, develops prototypes, and produces and supports state-of-the-art, assured communications and information systems that solve the mission-critical communications challenges of its military and government customers, while serving as the technology base for the company's diverse commercial businesses. Harris Corporation, which also provides tactical radio, broadcast, microwave, and network support products and systems, provides sales and services to customers in more than 150 countries. For more information see http://www.harris.com

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Forward-Looking Statement

This press release contains forward-looking statements that reflect management's current expectations, assumptions and estimates of future performance and economic conditions. Such statements are made in reliance upon the safe harbor provisions of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934. The company cautions investors that any forward-looking statements are subject to risks and uncertainties that may cause actual results and future trends to differ materially from those matters expressed in or implied by such forward-looking statements. Statements about the expected value of the program to Harris are forward-looking and involve risks and uncertainties. Other factors that may impact the company's results and forward-looking statement may be disclosed in the company's filings with the SEC. Harris disclaims any intention or obligation to update or revise any forward-looking statements, whether as a result of new information, future events, or otherwise.