WallSt.net Airing All-New Exclusive Audio Interviews With CTEX and ISON An In-Depth Article Based on a Recent Interview With NGEN Is Also Available Now at www.wallstc.net NEW YORK, June 6 /PRNewswire/ -- Aron Govil, CEO of Cemtrex, Inc. (Pink Sheets: CTEX) recently granted Wall Street Network an exclusive audio interview profiling the company. Interview highlights include detailed discussions on the following topics: - recent order for $530,000 - competitive advantages of the company's emissions monitoring technology - market opportunity, and strategy to capture market share management bios - capitalization - upcoming milestones To hear the interview in its entirety, and to read an in-depth report on the company, visit http://wallst.net/superstock/CTEX/ctex.html Lindsay Gardner, Vice President of Corporate Development and Life Sciences for Isonics Corp. (NASDAQ:ISON) recently granted Wall Street Network an all- new exclusive audio interview profiling the company. Interview highlights include detailed discussions on the following topics: - recent sales of the company's 300mm large diameter semiconductor wafers - acquisition of Protection Plus Security Consultants, and its impact on Isonics' homeland security division - timeline for closing IUT-Berlin acquisition, and its impact on Isonics' capabilities - market opportunities in the healthcare sector for the company's radioisotopes - capitalization - upcoming milestones Wall Street Network is also featuring an in-depth article based on a recent interview with Robert Saltmarsh, Chief Financial Officer for Nanogen, Inc. (NASDAQ:NGEN). Topics covered in the article include: - recent patents - management's focus on commercialization - intellectual property - new product introductions and their impact on the company's forecasted 2005 revenue - management bios - upcoming milestones To hear the interviews in their entirety, visit http://www.wallst.net/. The interviews can be accessed by locating the respective company's ticker symbol under the exchange on which it trades on the left hand column of the homepage, or by entering the respective company's ticker symbol in the Audio Search window. About Wall Street Network Wall Street Network is owned and licensed by Wall Street Direct, Inc. All material herein was prepared by Digital Wall Street, Inc., a multimedia provider of original, insightful commentary and news from North America's leading publicly traded companies giving a direct link to the management of today's fastest-growing companies through encompassing executive interviews and sector seminars. The company provides a free service to consumers, and a paid, premium monthly subscription to its members. Wall Street Direct, Inc. has received four hundred sixty thousand restricted shares from CTEX for press and advertising services. For a complete list of our business relationships, visit http://www.wallst.net/disclaimer.asp. Contact: Nick Iyer Digital Wall Street, Inc. 800-4-WALL-ST DATASOURCE: Wall Street Network CONTACT: Nick Iyer of Digital Wall Street, Inc., +1-800-4-WALL-ST Web site: http://wallst.net/superstock/CTEX/ctex. html Web site: http://www.wallst.net/disclaimer. asp Web Site: http://www.wallst/. net

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