Implant Sciences Receives Orders Totaling $2.7 Million for QS-H150 Explosives Detection Systems

Implant Sciences Corporation (AMEX: IMX), a high technology supplier of systems and sensors for the homeland security market and related industries, today announced multiple orders totaling approximately $2.7 million for its Quantum SnifferTM QS-H150 portable explosives detection systems to be delivered to customers of Beijing Ritchie’s Time Co., Ltd., one of the Company’s distributors in China. The QS-H150’s are expected to be deployed primarily for use in transportation and facility security applications in multiple locations throughout China. Richard Meyerhoff, Implant Sciences’ Vice President of Worldwide Sales and Service, commented, "We are excited about our continuing expansion in the explosives trace detection (ETD) market in China. Our QS-H150 product line was developed to provide customers portable technology for the detection of a wide range of explosives materials within challenging operating environments. We believe these orders continue to demonstrate the growing demand for our ETD equipment and underscore our ongoing progress toward attaining a leadership position within the global market.” The QS-H150 provides high performance and reliability combined with a very low cost of ownership. Annual maintenance costs are minimal and consist primarily of normal care and cleaning using common supplies. Unlike some competitive units, calibration is autonomous, continuous, and requires no consumables. Since there are no radioactive materials used in the QS-H150, there are no associated certifications, licenses, inspections, or end-of-life disposal issues. As such, customers have an outstanding, cost effective product available to them in support of efforts to improve their overall security profile and meet mission critical objectives. About Implant Sciences Implant Sciences develops, manufactures and sells sophisticated sensors and systems for the Security, Safety and Defense (SS&D) industries. The Company has developed proprietary technologies used in its commercial portable and bench-top explosive trace detection systems which ship to a growing number of locations domestically and internationally. For further details on the Company and its products, please visit the Company’s website at www.implantsciences.com. Safe Harbor Statement This press release contains certain "forward-looking statements,” as that term is defined in the Private Securities Litigation Reform Act of 1995. Such statements are based on management’s current expectations and are subject to risks and uncertainties that could cause the Company’s actual results to differ materially from the forward-looking statements. Such risks and uncertainties include, but are not limited to, the Company’s ability to successfully ship sufficient quantities of H-150 explosives detection equipment to meet the orders received, continue soliciting orders for the sale of additional equipment, and other risks and uncertainties described in the Company’s filings with the Securities and Exchange Commission, including its most recent Forms 10-K, 10-Q and 8-K. The Company assumes no obligation to update the information contained in this press release. For further information, you are encouraged to review Implant Sciences’ filings with the Securities and Exchange Commission, including its Annual Report on Form 10-K for the period ended June 30, 2007 and Quarterly Reports for the periods ended September 30, 2007, December 31, 2007 and March 31, 2008. The Company assumes no obligation to update the information contained in this press release.