Pharmasset, Inc. (VRUS) Chief Executive Officer to Ring the NASDAQ Stock Market Closing Bell

Company to Celebrate Initial Public Offering On NASDAQ


ADVISORY, July 13, 2007 (PRIME NEWSWIRE) --



 What:
 Schaefer Price, President & CEO of Pharmasset, Inc. (VRUS), will
 preside over the closing bell to celebrate the company's initial
 public offering on NASDAQ. Pharmasset, Inc. listed on Friday,
 April 27, 2007.

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

 When:
 Monday, July 16, 2007 at 4 p.m. ET

 Contacts:
 Alan Roemer
 609.613.4125; alan.roemer@pharmasset.com

 NASDAQ MarketSite:
 Jolene Libretto; 646.441.5220; 347.219.9539
 Jolene.Libretto@NASDAQ.com

Feed Information:

The closing bell is available from 3:50 p.m. to 4:05 p.m. on uplink IA-6 C-band/transponder 17. The downlink frequency is 4040 Vertical; Audio 6.2-6.8. The feed can also be found on Waterfront fiber 1623. If you have any questions, please contact Jolene Libretto at (646) 441-5220.

Radio Feed:

An audio transmission of the closing bell is also available from 3:50 p.m. to 4:05 p.m. on uplink IA6 C band / transponder 24, downlink frequency 4180 horizontal. The feed can be found on Waterfront fiber 1623 as well.

Webcast:

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

Photos:

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

About Pharmasset, Inc. (VRUS)

Pharmasset is a clinical stage pharmaceutical company committed to discovering, developing and commercializing novel drugs to treat viral infections. Pharmasset's primary focus is on the development of oral therapeutics for the treatment of hepatitis B virus (HBV), hepatitis C virus (HCV) and human immunodeficiency virus (HIV).

Pharmasset is currently developing three product candidates: Clevudine for the treatment of chronic HBV infection, which is expected to enter US, European and South American Phase 3 registration clinical trials and is already approved for HBV in Korea and marketed by Bukwang Pharmaceuticals under the brand name Levovir; R7128, an oral treatment for HCV, in a Phase 1 clinical trial through a strategic collaboration with Roche; and Racivir for the treatment of HIV in combination with other approved HIV drugs, which has completed a Phase 2 clinical trial.