Pharmasset Announces Two-for-One Forward Stock Split

Pharmasset, Inc. VRUS announces that its Board of Directors declared a two-for-one split of Pharmasset's common stock, par value $0.001 per share, in the form of a 100% common stock dividend. Stockholders of record as of the close of business on August 22, 2011 will receive one additional share of common stock for each share then owned. The distribution date for the new shares will be August 31, 2011. There are currently approximately 37.7 million shares of common stock outstanding. Upon completion of the stock split, there will be approximately 75.4 million shares of common stock outstanding.