Exhibit 23.1

Consent of Independent Registered Public Accounting Firm

We hereby consent to the incorporation by reference in the Registration Statements on Forms S-8 (Nos. 333-147490 and 333-148544) of Synthesis Energy Systems, Inc. and subsidiaries (a development stage enterprise) of our report dated September 26, 2011 relating to the financial statements which appear in this Form 10-K.

/s/ PricewaterhouseCoopers LLP

Houston, Texas
September 26, 2011