Pressure BioSciences, Inc. (PBIO) Chief Executive Officer to Ring The NASDAQ Stock Market Opening Bell


ADVISORY, May 29, 2009 (GLOBE NEWSWIRE) --



 What:
 Pressure BioSciences will visit the NASDAQ MarketSite in New York
 City's Times Square to celebrate the release of their next generation
 PCT-based sample preparation product, the PCT MicroTube Adapter Kit.

 In honor of the occasion, Richard T. Schumacher, President and Chief
 Executive Officer of Pressure BioSciences, Inc. (PBIO), will preside
 over The NASDAQ Stock Market Opening Bell.

 Why:
 The PCT MicroTube Adapter Kit will be launched at the 57th Annual
 Conference of the American Society for Mass Spectrometry (ASMS) in
 Philadelphia, on May 31st through June 4th, 2009.

 Pressure Cycling Technology (PCT) uses cycles of hydrostatic pressure
 between ambient and ultra-high levels to control bio-molecular
 interactions.

 PBI currently focuses its efforts in the development and sale of
 PCT-enhanced enzymatic digestion products designed specifically for
 the mass spectrometry marketplace, as well as sample preparation
 products for biomarker discovery, soil and plant biology, forensics,
 histology, and counter-bioterror applications.

 The biological sample preparation market is estimated by the Emmes
 Group (2008) to be comprised of up to 80,000 laboratories and 500,000
 researchers worldwide. Since 2007, PBI has installed over 75 PCT
 Sample Preparation Systems into such sites as the NIH, FDA, USDA,
 Harvard Medical School's Harvard Catalyst Laboratory for Innovative
 Translational Technologies ("HC-LITT"), NYU School of Medicine,
 Amgen, Lilly, Novartis, Pacific Northwest National Labs, and the
 J. Craig Venter Institute.

 Where:
 NASDAQ MarketSite - 4 Times Square - 43rd & Broadway - Broadcast Studio

 When:
 Monday, June 1st, 2009 at 9:15 - 9:30 a.m. ET

 Contacts:
 Richard T. Schumacher
 (508) 230-1828
 rschumacher@pressurebiosciences.com

 Lori Manning
 (508) 230-1828
 lmanning@pressurebiosciences.com

 NASDAQ MarketSite:
 Robert Madden
 (646) 441-5045 (office)
 Robert.Madden@NASDAQOMX.com

Feed Information:

The Opening Bell is available from 9:20 a.m. to 9:35 a.m. on Galaxy 19 C/15, downlink frequency 4000 vertical. The feed can also be found on Ascent fiber 1623. If you have any questions, please contact Robert Madden at (646) 441-5045.

Radio Feed:

An audio transmission of the Opening Bell is also available from 9:20 a.m. to 9:35 a.m. on uplink IA6 C band / transponder 24, downlink frequency 4180 horizontal. The feed can be found on Ascent fiber 1623 as well.

Webcast:

A live webcast of the NASDAQ Opening Bell will be available at: http://www.nasdaq.com/reference/marketsite_about.stm.

Photos:

To obtain a hi-resolution photograph of the Market Open, please go to http://www.nasdaq.com/reference/marketsite_events.stm and click on the market open of your choice.

About Pressure BioSciences, Inc. (PBIO):

Pressure BioSciences, Inc. (PBI) is a publicly traded company focused on the development of a novel, enabling technology called Pressure Cycling Technology (PCT). PCT uses cycles of hydrostatic pressure between ambient and ultra-high levels (up to 35,000 psi and greater) to control bio-molecular interactions. PBI currently holds 13 U.S. and 6 foreign patents covering multiple applications of PCT in the life sciences field, including genomic and proteomic sample preparation, pathogen inactivation, the control of chemical (primarily enzymatic) reactions, immunodiagnostics, and protein purification. PBI currently focuses its efforts in the development and sale of PCT-enhanced enzymatic digestion products designed specifically for the mass spectrometry marketplace, as well as sample preparation products for biomarker discovery, soil and plant biology, forensics, histology, and counter-bioterror applications.

About NASDAQ OMX:

The NASDAQ OMX Group, Inc. is the world's largest exchange company. It delivers trading, exchange technology and public company services across six continents, with over 3,800 listed companies. NASDAQ OMX Group offers multiple capital raising solutions to companies around the globe, including its U.S. listings market; NASDAQ OMX Nordic, NASDAQ OMX Baltic, NASDAQ OMX First North; and the U.S. 144A sector. The company offers trading across multiple asset classes including equities, derivatives, debt, commodities, structured products and ETFs. NASDAQ OMX Group technology supports the operations of over 70 exchanges, clearing organizations and central securities depositories in more than 50 countries. NASDAQ OMX Nordic and NASDAQ OMX Baltic are not legal entities but describe the common offering from NASDAQ OMX Group exchanges in Helsinki, Copenhagen, Stockholm, Iceland, Tallinn, Riga, and Vilnius. For more information about NASDAQ OMX, visit http://www.nasdaqomx.com.

NDAQA