SEPTEMBER 2009

Synthesis Energy Systems’ president appointed to board of directors

Synthesis Energy Systems, Inc. announced the appointment of Robert Rigdon, the Company’s president and chief executive officer, to its board of directors.

Rigdon was appointed by the board to fill a newly-created board seat and will serve for the remaining term which is set to run until the next annual meeting of stockholders.

The Company promoted Rigdon to the position of president and chief executive officer, in March 2009. Prior to the promotion, Rigdon held the Company’s chief operations officer position since November 2008. Rigdon joined SES in May 2008 as senior vice president of operations and was responsible for overseeing the Company’s coal gasification projects worldwide.