Myriant to Speak at Ecochem

Quincy, MA – November 14, 2013 –Myriant Corporation today announced its participation in Ecochem—The Sustainable Chemistry and Engineering Event. Arne P. Duss, Ph.D., Myriant's Senior Vice President of Strategy and Corporate Development, will speak during the Strategy Summit at the session titled "Stream 2: Bio-based Chemicals and Materials." Dr. Duss' presentation "Bio-succinic Acid—Market Outlook & Development of a Renewable C4 Building Block" will be on Wednesday, November 20th, 2013, at 16:15 CET.

Ecochem—The Sustainable Chemistry and Engineering Event will take place at the Congress Center Basel in Basel, Switzerland.

About Myriant Corporation

Myriant is a global leader innovating and commercializing bio-based chemical intermediates with a focus on bio-succinic acid, bio-butanediol and bio-acrylic acid. Myriant is currently commercializing its bio-succinic acid and derivatives platform from two operating chemical plants: The first is Myriant's flagship plant in Lake Providence, LA; the other, a commercial validation facility located in Leuna, Germany, which is operated by Myriant's global partner, ThyssenKrupp Uhde. Myriant is a 2013 Red Herring Top 100 Company in North America. More information can be found at www.myriant.com.

Contact:

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