BASF Veteran, Werner Praetorius, Ph.D., Joins Myriant's Strategic Advisory Board

Quincy, Massachusetts – January 12, 2012 — Myriant Corporation announced today that Werner Praetorius, Ph.D., former global executive at BASF SE , the world's leading chemicals company, joined Myriant's Strategic Advisory Board. Dr. Praetorius, whose career spanned 29 years at BASF, currently serves as a non-executive member of the Board of Directors of Swiss-based EMS-Chemie Holding AG.

"We are very pleased to welcome Dr. Praetorius to Myriant's Strategic Advisory Board," said Stephen J. Gatto, Chairman and Chief Executive Officer of Myriant. "Dr. Praetorius brings unparalleled insights and global perspectives into the petrochemicals, plastics and renewable biochemicals industries, combined with a successful track-record of technology innovation and commercial-scale deployment. We believe his expertise will be invaluable to Myriant's continued progress commercializing low-cost, high value renewable chemicals globally."

Dr. Praetorius' tenure at BASF includes various executive level positions including serving as President Global Engineering Plastics Division, President Global Styrenics Division, and President Global Petrochemicals Division. Dr. Praetorius also held several director posts while representing BASF including serving as Vice Chairman of Yangzi BASF Styrenics Co and Board member of BASF Yangzi Co (China), Board Chairman for BASF Fina LP (US), and Board Chairman of BASF Styrenics Co (South Korea).

Dr. Praetorius holds a BSc. in Chemical Engineering from Technical College Darmstadt. He also holds a MSc. and Ph.D. in Chemical Engineering from Technical University Darmstadt. As a key industry opinion leader, Dr. Praetorius is actively involved in global industry affairs including having served as President of the Association of Plastics Manufacturers in Europe (APME) and member of the Boards of the Association of Petrochemical Producers Europe (APPE), Cefic (European Chemical Industry Council) and the European Petrochemical Association (EPCA).

In addition to Dr. Praetorius, Myriant's Strategic Advisory Board includes Robert McFarlane, Founder of Global Energy Investors LL and National Security Advisor to President Ronald Reagan, as well as J. Brian Ferguson, Former Chief Executive Officer and Chairman of Eastman Chemical Company.

About Myriant Corporation

Myriant utilizes proprietary technology to provide innovative, performance-based renewable chemicals utilizing low-cost sugars. In December 2010, Myriant broke ground on its 30 million pound commercial succinic acid facility in Lake Providence, Louisiana. The company's D(-) lactic acid started production at commercial scale in June 2008 for use in polylactic acid. Myriant has agreements with Uhde GmbH for engineering, Davy Process Technology for the integration of Myriant's succinic 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 South East 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