0001193125-06-054878 Sample Contracts

RITA MEDICAL SYSTEMS, INC. STOCK OPTION AGREEMENT
Stock Option Agreement • March 15th, 2006 • Rita Medical Systems Inc • Electromedical & electrotherapeutic apparatus

You have been granted an option to purchase Common Stock of RITA Medical Systems, Inc. (the “Company”) as indicated on the Certificate of Stock Option Grant on the AST Stockplan website (the “Certificate”). Please review the Certificate and this Stock Option Agreement before executing your grant at the AST Stockplan website at www.aststockplan.com.