Myriant to Participate in Biomass 2012 Conference in Washington, D.C.

Quincy, MA (July 9, 2012) – Myriant Corporation announced that Susan Hager, Senior Vice President of Corporate Communications and Government Affairs, will participate in the Biomass 2012: "Confronting Challenges, Creating Opportunities" conference in Washington, D.C. on Tuesday, July 10, at 4:00 p.m. EST. She will be part of a panel titled, "Expanding Horizons for Biomass Utilization: Bioproducts, Biopower, and Biothermal" and will focus her discussion on Myriant's production of bio-based products and rapid commercialization of bio-succinic acid. The Biomass 2012 Conference will be held from July 10th — July 11th, at the Washington D.C. Convention Center.

About Myriant Corporation

Myriant utilizes its proprietary technology platform to develop innovative, performance-based, renewable chemicals utilizing low-cost sugars. In December 2010, Myriant broke ground on its flagship 30 million pound commercial bio-succinic acid facility in Lake Providence, Louisiana and anticipates beginning commercial production in early 2013. The company's D(-) lactic acid started production at commercial scale in June 2008 for use in polylactic acid. Myriant has agreements with ThyssenKrupp Uhde GmbH for engineering, Davy Process Technology for the integration of Myriant's biosuccinic acid process with the Davy butanediol process for the production of bio-based butanediol, and PTT Chemical for the commercialization of Myriant's technology in Southeast Asia. Myriant is headquartered in Quincy, Massachusetts. Details are available at www.myriant.com.

Contact:

Sue Hager SVP, Corporate Communications and Government Affairs
Myriant Corporation
shager@myriant.com
617-657-5222