WallSt.net Airing Exclusive Audio Interviews With CBAI, NWAU, TRPS and RICK

WallSt.net is Also Featuring an In-Depth Article Based on a Recent Interview With ASTM

NEW YORK, April 21 -- Matt Schissler, Chairman and CEO of Cord Blood America, Inc. (BULLETIN BOARD: CBAI) recently granted Wall Street Network an exclusive audio interview profiling the company. Interview highlights include discussions on the following topics:

   --  167 percent revenue growth in 2004 over 2003
   --  umbilical cord blood stem cell preservation and storage industry
       growth
   --  keeping pace with industry growth
   --  management bios
   --  competitive edge
   --  mergers and acquisitions strategy
   --  upcoming milestones

To hear the interview in its entirety and to read an in-depth report on the company, visit http://wallst.net/superstock/CBAI/cbai.html

Scott Miller, CEO of NowAuto, Inc. (Pink Sheets: NWAU) recently granted Wall Street Network an exclusive audio interview profiling the company. Interview highlights include discussions on the following topics:

   --  recent weekly auction results
   --  market opportunities for Navicom's GPS system in the law enforcement
       sector
   --  recent acquisitions
   --  management bios
   --  upcoming milestones

Wall Street Network recently profiled Tripos, Inc. through an interview with the company's President and CEO John McAlister, and the company's Chief Financial Officer, James Rubin. Interview highlights include discussions on the following topics:

   --  competitive edge
   --  alleviating the inherent risk of drug delivery
   --  recent NIH phase II Small Business Innovation Research grant
   --  advantages of topomer technology
   --  operational and financial highlights of 2004
   --  upcoming milestones

Eric Langan, CEO of Rick's Cabaret International, Inc. recently granted Wall Street Network an exclusive audio interview profiling the company. Interview highlights include discussions on the following topics:

   --  recent NYC court appellate ruling and its impact on the company
   --  geographic expansion
   --  growth potential in the New York City market
   --  recent acquisitions
   --  upcoming milestones

Wall Street Network is also featuring an in-depth article based on a recent interview with Douglas Armstrong, PhD, Chairman and CEO of Aastrom Biosciences, Inc. . Topics in the article include:

   --  the company's progress in the clinic
   --  competitive edge in the cell-based therapy arena
   --  capitalization
   --  recent expansion of clinical trials
   --  upcoming milestones

To hear the interviews in their entirety, visit 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. Digital Wall Street, Inc. has received one thousand seven hundred and fifty dollars from NWAU for the dissemination of this press release. Digital Wall Street Inc. has received five hundred thousand restricted shares from the company for press and advertising services, and is expecting to receive an additional five hundred thousand restricted shares from the company for press and advertising services for CBAI. For a complete list of our business relationships, visit www.wallst.net/disclaimer.asp.

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