JMAR Technologies Listed on New Nanotechnology Index

SAN DIEGO--(BUSINESS WIRE)--Dec. 23, 2005--JMAR Technologies, Inc. (Nasdaq: JMAR) has been selected for inclusion in a new nanotechnology index launched by San Francisco-based Global Crown Capital, LLC (GCC). The new index, The Global Crown Capital Nanotechnology Index(TM), is a price-weighted index currently composed of nineteen pure play nanotechnology stocks that represent the emerging nanotechnology industry.

The index is designed to serve as an investment tool for professional investors, and is intended to help these professionals to capitalize on the growth, both short and long-term, in the emerging nanotechnology industry.

“Global Crown Capital's Nanotechnology Index improves the visibility of emerging nanotechnology companies like JMAR. Our inclusion in this index is a testament to JMAR's long-held leadership in X-ray nanolithography and the innovative application of our soft X-ray light source technology to create groundbreaking nanotechnology tools”

"Global Crown Capital's Nanotechnology Index improves the visibility of emerging nanotechnology companies like JMAR. Our inclusion in this index is a testament to JMAR's long-held leadership in X-ray nanolithography and the innovative application of our soft X-ray light source technology to create groundbreaking nanotechnology tools," said Ronald A. Walrod, JMAR's Chief Executive Officer. "Our Compact X-ray Microscope (XRM) and X-ray Nanoprobe (XNP) have a significant role to play in both life science and nanotechnology. The XRM enables 3D imaging of hydrated organic material at sub-100 nm resolution, while the XNP allows chemical analysis of materials at nano-scale resolution. We are pleased that our contribution to the field of nanotechnology is being recognized by the investment community."

About JMAR

JMAR Technologies, Inc. is a leading innovator in the development of laser-based equipment for imaging, analysis and fabrication at the nano-scale. The Company is leveraging over a decade of laser and photonics research to develop a diverse portfolio of products with commercial applications in rapidly growing industries while continuing to carry out research and development for the U.S. Defense Advanced Research Projects Agency (DARPA) and support for the U.S. Government's Defense Microelectronics Activity (DMEA) semiconductor fabrication facility. JMAR is targeting the nanotechnology, bioscience and semiconductor industries with its BriteLight(TM) Laser; X-ray Light Source; Compact X-ray Microscope - for 3D visualization of single cells and polymers; and its X-ray Nano Probe - enabling interaction, analysis and materials modification at the nano-scale. JMAR also develops, manufactures and markets its BioSentry(TM) microorganism contamination warning system and maintains a strategic alliance for the production of the READ chemical sensor for homeland security, environmental and utility infrastructure industries.

This news release contains certain "forward-looking statements." Forward-looking statements are based on current expectations and assumptions and are inherently subject to risks and uncertainties, some of which cannot be predicted or quantified, and many of which are beyond the Company's control. Actual results could differ materially from these forward-looking statements as a result of a number of factors, including the risk that the performance validation tests of the BioSentry Beta systems are not successfully completed due to unforeseen issues with the installation and operation of the systems outside of the controlled environment of JMAR's facility, delays in completion of prototypes and transition to production systems, the failure of the technology to perform as predicted, competition from alternative technologies, uncertainties as to the size of the markets, cost and margins for JMAR's products, failure to obtain market acceptance, current or future government regulations affecting the use of JMAR's products, the lack of availability of critical components, the degree of protection from future patents, other risks associated with the development or acquisition of new products or technologies and those risks detailed in the Company's Form 10-Q for the quarter ended September 30, 2005 and its Form 8-K filed on March 30, 2005 with the SEC. Given these risks and uncertainties, investors are cautioned not to place undue reliance on such forward-looking statements and no assurances can be given that such statements will be achieved. JMAR Technologies, Inc. does not assume any duty to publicly update or revise the material contained herein.

Contacts

JMAR Technologies, Inc.
Dennis E. Valentine, 858-946-6800
www.jmar.com
OR
IR/Media Relations:
The Investor Relations Group
John Nesbett/Erika Moran, 212-825-3210

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