News Release

FOR IMMEDIATE RELEASE

Contact:   Mason N. Carter, Chairman & CEO
                 973-575-1300, ext. 1202
                 mnc@merrimacind.com

Merrimac Awarded $700,000 Contract For
Multi-Mix® Technology Filter

WEST CALDWELL, N.J., August 22, 2007: Merrimac Industries, Inc. (Amex: MRM), a leader in the design and manufacture of RF Microwave components, subsystem assemblies and micro-multifunction modules (MMFM®), today announced that it has received an order valued at approximately $700,000 from a prime military contractor for RF filters utilizing Merrimac's patented Multi-Mix® Technology. The filters are to be used in a military aircraft application. These filters are small in size and weight, but offer high performance in a very rugged airborne environment.

Merrimac Chairman and CEO Mason N. Carter commented, "Merrimac is eager to provide support to our key customers with innovations that help the defense community advance the state-of-the-art in military electronics. We have always believed that Multi-Mix® is a catalyst for bringing new levels of integration to this industry and are pleased to see the growing utilization of this technology."

About Merrimac

Merrimac Industries, Inc. is a leader in the design and manufacture of RF Microwave signal processing components, subsystem assemblies, and Multi-Mix® micro-multifunction modules (MMFM®), for the worldwide Defense, Satellite Communications (Satcom), Commercial Wireless and Homeland Security market segments. 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. Multi-Mix® MMFM® provides a patented and novel packaging technology that employs a platform modular architecture strategy that incorporates embedded semiconductor devices, MMICs, resistors, passive circuit elements and plated-through via holes to form a three-dimensional integrated module used in High Power, High Frequency and High Performance mission-critical applications. Merrimac Industries facilities are registered under ISO 9001:2000, an internationally developed set of quality criteria for manufacturing operations.

Merrimac Industries, Inc. has facilities located in West Caldwell, NJ and San Jose, Costa Rica and has approximately 170 co-workers dedicated to the design and manufacture of signal processing components, gold plating of high-frequency microstrip and bonded stripline Teflon (PTFE) circuits 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®, System In A Package®, SIP® and Total Integrated Packaging Solutions® are registered trademarks of Merrimac Industries, Inc. For more information about Merrimac Industries, Inc. please visit our website http://www.merrimacind.com

This Press Release contains statements relating to future results of the Company (including certain projections and business trends) that are “forward-looking statements” as defined in the Private Securities Litigation Reform Act of 1995. Actual results may differ materially from those projected as a result of certain risks and uncertainties. These risks and uncertainties include, but are not limited to: risks associated with demand for and market acceptance of existing and newly developed products as to which the Company has made significant investments, particularly its Multi-Mix® products; the possibilities of impairment charges to the carrying value of our Multi-Mix® assets, thereby resulting in charges to our earnings; risks associated with adequate capacity to obtain raw materials and reduced control over delivery schedules and costs due to reliance on sole source or limited suppliers; slower than anticipated penetration into the satellite communications, defense and wireless markets; failure of our Original Equipment Manufacturer, or OEM, customers to successfully incorporate our products into their systems; changes in product mix resulting in unexpected engineering and research and development costs; delays and increased costs in product development, engineering and production; reliance on a small number of significant customers; the emergence of new or stronger competitors as a result of consolidation movements in the market; the timing and market acceptance of our or our OEM customers’ new or enhanced products; general economic and industry conditions; the risk that the benefits expected from the Company’s acquisition of Filtran Microcircuits Inc. are not realized; the ability to protect proprietary information and technology; competitive products and pricing pressures; our ability and the ability of our OEM customers to keep pace with the rapid technological changes and short product life cycles in our industry and gain market acceptance for new products and technologies; foreign currency fluctuations between the U.S. and Canadian dollars; risks relating to governmental regulatory actions in communications and defense programs; and inventory risks due to technological innovation and product obsolescence, as well as other risks and uncertainties as are detailed from time to time in the Company’s Securities and Exchange Commission filings. These forward-looking statements are made only as of the date hereof, and the Company undertakes no obligation to update or revise the forward-looking statements, whether as a result of new information, future events or otherwise.