Merrimac Appoints Former Director of DARPA to Board of Directors

WEST CALDWELL, N.J., June 30, 2003: Merrimac Industries, Inc. (AMEX: MRM), a leader in the design and manufacture of RF Microwave components, assemblies and micro-multifunction modules (MMFM®), today announced the appointment of Dr. Fernando L. Fernandez to its Board of Directors.

Dr. Fernandez is the Director of Institute Technology Initiatives at Stevens Institute of Technology in Hoboken, New Jersey. Prior to this appointment, he was Director of the Defense Advanced Research Projects Agency (DARPA), the central research and development organization of the Department of Defense. Under Dr. Fernandez’ leadership, DARPA served as the Department of Defense’s premier change-leader, trailblazing paths in biological warfare defense, information security, precision strike weapons and robotics.

Chairman and CEO Mason N. Carter commented, “It is with great pleasure that we welcome Dr. Frank Fernandez to our Board. We look forward to his broad technical acumen and guidance along with his perspective on the defense industry. Merrimac has a strong defense heritage and is committed to serving and providing innovative technical solutions to its military customers. Our Multi-Mix® technology provides an ideal solution in meeting the Department of Defense Composite Affordability Initiative to reduce the number of parts, improve producibility and dramatically reduce assembly costs.”

Dr. Fernandez commented, “Since I first visited Merrimac a year ago, I was favorably impressed with the depth of their Multi-Mix® technology and hope to help Merrimac broaden their defense applications.”

In January 2001, Dr. Fernandez was awarded the Distinguished Public Service Award by the Secretary of Defense. Dr. Fernandez was awarded an Honorary Doctor of Engineering degree from Stevens Institute of Technology in May 2001.

Dr. Fernandez received his Bachelor of Science in Mechanical Engineering in 1960, and a Master of Science in Applied Mechanics in 1961, each from Stevens Institute of Technology, and his Ph.D. in Aeronautics from California Institute of Technology in 1969. Dr. Fernandez is listed in Who’s Who in Science and is also a member of the New York Academy of Sciences.

Mr. Carter added, “Dr. Fernandez’ appointment enhances an already strong Board of Directors, which provides our Company with broad expertise and commitment to Merrimac shareholders.”

About Merrimac

Merrimac Industries, Inc. is a leader in the design and manufacture of Multi-Mix PICO RF Microwave components, assemblies and micro-multifunction modules (MMFM), serving the wireless telecommunications industry worldwide with enabling technologies for space, defense and commercial applications. Merrimac is focused on providing Total Integrated Packaging Solutions® with Multi-Mix® Microtechnology, a leading edge competency providing value to our customers through miniaturization and integration. The Multi-Mix process for microwave, multilayer integrated MMFM circuitry is a patented method developed by Merrimac Industries based on fluoropolymer composite substrates. The fusion bonding of multilayer structures provides a homogeneous dielectric medium for superior electrical performance at microwave frequencies. The bonded layers may incorporate embedded semiconductor devices, MMICs, etched resistors, passive circuit elements and plated-through via holes to form a three-dimensional subsystem enclosure that requires no further packaging. Merrimac Industries facilities are registered under ISO 9000, an internationally developed set of quality criteria for manufacturing operations.

Merrimac Industries, Inc. and its subsidiary Filtran Microcircuits Inc., are located in West Caldwell, NJ, San Jose, Costa Rica and Ottawa, Ontario, Canada, and have approximately 220 co-workers dedicated to the design and manufacture of signal processing components, gold plating of high-frequency microstrip, bonded stripline and thick metal-backed Teflon (PTFE) micro-circuitry and subsystems providing Total Integrated Packaging Solutions for wireless applications. Merrimac (MRM) is listed on the American Stock Exchange. Multi-Mix, Multi-Mix PICO, MMFM and Total Integrated Packaging Solutions are trademarks of Merrimac Industries, Inc. For more information about Merrimac Industries, Inc. and Filtran Microcircuits Inc., please visit http://www.merrimacind.com and http://www.filtranmicro.com.

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Contact:

Mason N. Carter, Chairman & CEO
973.575.1300, ext. 1202
E-mail: mnc@merrimacind.com