GSE to Present at Upcoming Investor Conferences

HOUSTON, May 24, 2013 /PRNewswire/ -- GSE Holding, Inc. (the "Company" or "GSE") GSE, a leading global provider of highly engineered geosynthetic containment solutions for environmental protection and confinement applications, today announced that management from the Company will attend the following upcoming investor conferences:

• May 29th – KeyBanc Industrial, Automotive & Transportation Conference being held in Boston, MA. Management will present at 8:00 am Eastern Time

• May 30th – Cowen 41^st Annual Technology, Media & Telecom Conference being held in New York, NY. Management is scheduled to participate on The Technology Winners In the Natural Gas Boom Panel, which is currently scheduled for Thursday, May 30, from 11:00 am - 11:55 am Eastern Time.

• June 12th – William Blair 33^rd Annual Growth Stock Conference being held in Chicago, IL. Management will present at 10:00 am Central Time

(Logo: http://photos.prnewswire.com/prnh/20120320/MM73437LOGO)

The investor presentations and a link to a live audio webcast will be available on the day of each respective conference, when applicable, on the Company's Investor Relations website at http://ir.gseworld.com. Audio replays of will be available for up to 30 days following each of the conferences respectively. To learn more about GSE, please visit the Company's website at http://www.gseworld.com.

About GSE Holding, Inc.

GSE is a global manufacturer and marketer of geosynthetic lining solutions, products and services used in the containment and management of solids, liquids, and gases for organizations engaged in waste management, mining, water, wastewater, and aquaculture.

GSE has a long history of manufacturing quality geosynthetic lining systems and developing innovative products. The Company's principal products are polyethylene-based geomembranes, geonets, geocomposites, geosynthetic clay liners, concrete protection liners and vertical barriers. GSE manufactures products primarily to line or cap hazardous and non-hazardous waste landfills; contain materials generated in certain mining processes; and contain water, liquid waste and industrial products in ponds, tanks, reservoirs, sewers, and canals. Headquartered in Houston, Texas, USA, GSE maintains sales offices throughout the world and manufacturing facilities in the United States, Chile, Germany, Thailand and Egypt.

CONTACT: Mike Kirksey

         Executive Vice President and Chief Financial Officer

         Office: 281-230-6732

         Email:  mkirksey@gseworld.com

SOURCE GSE Holding, Inc.