SulphCo Extends Technology Transfer Agreement with Industrial Sonomechanics

SulphCo, Inc. announced that it has exercised its option to extend the term of the license agreement dated November 9, 2007 with Industrial Sonomechanics, LLC (“ISM”) covering ISM’s patented ultrasound horn and reactor technology. The term has been extended to the date on which the ISM patents expire. Under the terms of the License Agreement, ISM granted SulphCo exclusive worldwide rights to use its patented ultrasound horn and reactor technology for ultrasound upgrading of crude oil and crude oil fractions. Pursuant to the terms of the License Agreement, SulphCo will issue 50,000 restricted shares of the Company’s common stock. All other terms of the License Agreement remain unchanged.

“We are pleased to continue our relationship with ISM as an important member of the SulphCo team and, by the exercise of this option, we will continue to maintain access to their cutting edge probe and reactor chamber technology,” said Dr. Larry D. Ryan, CEO of SulphCo. ISM is a U.S.-based company formed in 2006 to commercialize its patented high-power ultrasonics technology, which was developed by its founders during several decades of research in Russia. ISM specializes in very high capacity industrial ultrasonic reactor systems, which incorporate powerful ultrasonic horns capable of simultaneously providing high output vibration amplitudes and large output diameters.

SulphCo also announced that it will be holding its quarterly investor conference call on Tuesday, December 16th at 4:30 p.m. (EST), hosted by senior management. The content of the call will include a 15-20 minute review, including updates of the Company’s recent and ongoing activities over the past several months. The line will then be open for questions for approximately 25-30 minutes.

The call can be accessed in the U.S. by dialing 877-407-0778 and outside of the U.S. by dialing 201-689-8565. A teleconference replay of the call will be available through December 23, 2008, beginning approximately 1 hour after the conference call ends, by dialing 877-660-6853 in the U.S., or 201-612-7415 from outside of the U.S. To access the replay, the account number is 286 and the conference ID number is 303611.

Houston based SulphCo has developed a patented safe and economic process employing ultrasound technology to desulfurize and hydrogenate crude oil and other oil related products. The Company’s technology is designed to upgrade sour heavy crude oils into sweeter, lighter crudes, producing more gallons of usable oil per barrel.