SYSTEMS

Mercury Computer Systems today announced it will host its fifth annual investor conference on Tuesday, October 19, 2004 at 9:00 a.m. ET. The event will be webcast live via the Company's website beginning at 9:00 a.m. EST. Investors are invited to listen to the meeting by pointing their browser to http://www.mc.com/investor, and then clicking on the live audio webcast link for the Company's conference. A replay of the meeting will be available on the website for an extended period of time. Mercury Computer Systems is the leading provider of high-performance embedded, real-time digital signal and image processing computer systems. Mercury's products play a critical role in a wide range of applications, transforming sensor data to information for analysis and interpretation. In military reconnaissance and surveillance platforms the Company's systems process real-time radar, sonar, and signals intelligence data. Mercury's systems are also used in state-of-the-art medical diagnostic imaging devices including MRI, CT, PET, and digital X-ray, and in semiconductor imaging applications including photomask generation and wafer inspection. Mercury provides advanced 3D image processing and visualization software and optimized systems to diverse end markets including life sciences, geosciences, and simulation. The Company also develops radio frequency (RF) products for enhanced communications capabilities in military and commercial applications. Based in Chelmsford, Massachusetts, Mercury serves customers in North America, Europe and Asia through its direct sales force and a network of subsidiaries and distributors. Visit Mercury on the web at http://www.mc.com/.