On July 16, 2009, SulphCo, Inc. ("SulphCo") issued a press release announcing that on July 14, 2009, SulphCo gave notice to the holders of its convertible promissory notes of its intention to prepay in full the outstanding convertible promissory notes with a total principal balance of approximately $4.7 million. SulphCo expects to pay the outstanding principal balance and all accrued but unpaid interest thereon on July 29, 2009.

A copy of the press release is attached hereto as Exhibit 99.1.

(d) Exhibits

    Exhibit
    Number     Exhibit Title or Description

    99.1       Press Release Dated July 16, 2009