WEST CALDWELL, N.J., Nov. 15 /PRNewswire-FirstCall/ -- Merrimac
Industries, Inc. (Amex: MRM) announces the following Webcast:

     What:     Merrimac Third Quarter 2004 Financial Results Conference Call

     When:     Tuesday, November 16, 2004 @ 4:15 p.m. ET

     Where:
     http://phx.corporate-ir.net/playerlink.zhtml?c=73209&s=wm&e=968228

     How:  Live over the Internet -- Simply log on to the web at the address
           above.

     Contact:  Mason N. Carter, mnc@merrimacind.com, 973-575-1300 x 1202

     If you are unable to participate during the live webcast, a link to the
     archived webcast will be listed on the Merrimac Industries, Inc. website
     http://www.merrimacind.com .

    About Merrimac
    Celebrating its 50th anniversary, Merrimac Industries, Inc. is a leader in
the design and manufacture of Multi-Mix PICO(TM) 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(R) with Multi-Mix(R) Microtechnology, a leading
edge competency providing value to our customers through miniaturization and
integration. The Multi-Mix(R) 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 240 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(R) for
wireless applications. Merrimac (MRM) is listed on the American Stock
Exchange. Multi-Mix(R), Multi-Mix PICO(TM), MMFM(R) and Total Integrated
Packaging Solutions(R) are trademarks of Merrimac Industries, Inc.  For more
information about Merrimac Industries, Inc. and Filtran Microcircuits Inc.)

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