American Stock Exchange News Release

Equity Release
Media Contact: Javier E. David
American Stock Exchange
212-306-1440/javier.david@amex.com

AMERICAN STOCK EXCHANGE LISTS COMMON STOCK OF SULPHCO INCORPORATED

New York, October 7, 2005 -  The American Stock Exchange (Amex) today began trading the stock of SulphCo Incorporated, under the ticker symbol SUF.

SulphCo Incorporated is a Sparks, Nevada-based company that has developed a process employing ultrasound technology to desulfurize and hydrogenate crude oil and other oil related products. The company's technology upgrades sour heavy crude oils into sweeter, lighter crudes, which produces more gallons of usable oil per barrel.

"We are pleased that SulphCo Incorporated has chosen to list on the American Stock Exchange," Amex Equities Group Senior Vice President John McGonegal said. "As a destination of choice for a growing collection of energy companies, the Amex looks forward to providing SulphCo with the tools they need to reach a broader investor class."

"We are very pleased to be approved for listing on the American Stock Exchange, and believe this listing should significantly increase the visibility of SulphCo, attract analyst coverage on Wall Street, as well as provide trading liquidity for institutional investors," said Dr. Rudolph W. Gunnerman, chairman and chief executive officer of SulphCo Inc.

The specialist in SulphCo Inc. will be Kellogg Capital Group LLC. For more information on SUF, or any Amex-listed company, please visit www.amex.com.

About American Stock Exchange

The American Stock Exchange® (Amex®) is the only primary exchange that offers trading across a full range of equities, options and exchange traded funds (ETFs), including structured products and HOLDRSSM. In addition to its role as a national equities market, the Amex is the pioneer of the ETF, responsible for bringing the first domestic product to market in 1993. Leading the industry in ETF listings, the Amex lists 169 ETFs to date. The Amex is also one of the largest options exchanges in the U.S., trading options on broad-based and sector indexes as well as domestic and foreign stocks.