Webcast Alert: Spectrum Sciences & Software, NuTech Digital, and VirTra Systems Presentations at Trilogy Capital's Emerging Growth Microcap Forum To be Webcast on Wednesday, March 10, 2004 at 12 pm ET. Conference, Co-sponsored by OTC Journal, Focuses onEmerging Growth Microcap Public Companies LOS ANGELES, Feb. 27 /PRNewswire/ -- Spectrum Sciences & Software Holdings (BULLETIN BOARD: SPSC) , NuTech Digital (BULLETIN BOARD: NTDL) , and VirTra Systems (BULLETIN BOARD: VTS) will webcast the following: What: Spectrum Sciences & Software Holdings Corp., NuTech Digital, Inc., and VirTra Systems will present at Trilogy Capital's Emerging Growth Microcap Forum. Two additional presenting companies will be announced at a later date. Who: Conference Sponsors: OTC Journal and Trilogy Capital Partners. Keynote Presenter to be announced in Subsequent Release. When: March 10, 2004 at 12pm Eastern Where: http://www.informedinvestors.com/iif_forums/forum.cfm?forumID=346 How: Live over the Internet -- Simply log on to the web at the address above. CONTACT: Michael A. Briola at (800) 251-1770 or If you are unable to participate during the live webcast, the call will be available for replay at http://www.informedinvestors.com/iif_forums/forum.cfm?forumID=346. Spectrum Sciences & Software Holdings Corp. (OTC:SPSC) (BULLETIN BOARD: SPSC) is highly focused on Homeland Security through the provision of full service, quality solutions to complex and diverse government initiatives. To find out more about Spectrum, visit our website at http://www.specsci.com/. NuTech Digital (OTC:NTDL) (BULLETIN BOARD: NTDL) is a pioneer in the home entertainment product market, offering original and licensed content via a worldwide network of distributors, retailers and Internet entities. The Company enjoys significant competitive advantage with the recent announcement of its proprietary DRM technology, which enables the secure distribution of high-resolution digital content via the Internet. For more information: http://www.nutechdvd.com/ VirTra Systems (OTC:VTS) (BULLETIN BOARD: VTS) produces turnkey immersive virtual reality systems(TM) which utilize 360-degree, interactive photorealistic environments. For more information, please visit: http://www.virtrasystems.com/. About Trilogy Capital Partners Trilogy Capital Partners is a Los Angeles-based financial services company engaged in merchant banking, strategic planning, financial marketing, and communications. Based on the simple concept that many well-run public companies are not realizing their full value in the marketplace, Trilogy has aggregated highly experienced executives into a formidable financial and marketing team, which help investors identify and maximize prospective high- return opportunities. Trilogy is committed to identifying companies with strong management, a compelling business model and, most importantly, companies that may be seriously undervalued. About OTC Journal The OTC Journal is an online, electronic newsletter written by a team of editors with many years of experience in evaluating and following the growth of small and micro cap stocks. The OTC Journal provides subscribers with investment ideas focusing on small and micro cap companies. The OTC Journal is published two to three times per week, and is free to subscribers. Visit http://www.otcjournal.com/ for more information. DATASOURCE: Trilogy Capital Partners CONTACT: Michael A. Briola of Trilogy Capital Partners, +1-800-251-1770, or Web site: http://www.otcjournal.com/ http://www.specsci.com/ http://www.nutechdvd.com/ http://www.virtrasystems.com/

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