SES Synthesis Energy Systems Inc

Synthesis Energy Systems, Inc. (SES) (NASDAQ:SYMX) (NASDAQ:SES), a global leader in the clean and efficient production of low-cost synthesis gas for high value energy and chemical products, today announced a reminder of its ticker symbol change from “SYMX” to “SES,” as previously announced on November 30, 2017.

“We believe that making this change more closely aligns our ticker symbol with our corporate name and further unifies our global brand-building initiatives,” said DeLome Fair, SES’s President and CEO.

Commencing at the market open on December 4, 2017, the Company’s common stock will begin trading under its new symbol on Nasdaq, “SES,” on a 1:8 reverse split adjusted basis. All filings and market related information will be reported under the new symbol, as well. The new CUSIP number for the common stock will change to 871628202.

About Synthesis Energy Systems, Inc.

Synthesis Energy Systems (SES) is a Houston-based technology company focused on generating clean, high-value energy from low-cost and low-grade coal, biomass and municipal solid waste through its proprietary technology for conversion of these resources into a clean synthesis gas (syngas) and methane. SES’s proprietary technology enables the production of clean, low-cost power, industrial fuel gas, chemicals, fertilizers, transportation fuels, and substitute natural gas, replacing expensive natural gas-based energy. SES’s technology can also produce high-purity hydrogen for cleaner transportation fuels. SES enables greater fuel flexibility for both large-scale and efficient small- to medium-scale operations close to fuel sources. Fuel sources include low-rank, low-cost high ash, high moisture coals, which are significantly cheaper than higher grade coals, waste coals, biomass, and municipal solid waste feedstocks. SES: Growth With Blue Skies. For more information, please visit: www.synthesisenergy.com.

Contact: MDC GroupInvestor Relations:David CastanedaArsen Mugurdumov414.351.9758IR@synthesisenergy.com

Media Relations:Susan Roush805.624.7624PR@synthesisenergy.com