Thermon Added to Russell Indexes

SAN MARCOS, Texas, July 6, 2011 (GLOBE NEWSWIRE) -- Thermon Group Holdings, Inc. (NYSE:THR), a global supplier of comprehensive heat tracing solutions, today announced that it was added to the Russell 2000® Index, a leading institutional benchmark.

"We are pleased with our inclusion, which marks a milestone achievement for Thermon," said Rodney Bingham, President and Chief Executive Officer.

Thermon was added in connection with the reconstitution of the Russell family of indexes on June 24, 2011, an annual undertaking designed to ensure accurate representation across each asset class and adequate reflection of the changing market environment. Membership is determined primarily from market capitalization rankings.

More information about Russell Investments and its indexes is available at www.russell.com.

About Thermon

Through its global network, Thermon provides highly engineered thermal solutions, known as heat tracing, for process industries, including energy, chemical processing and power generation. Thermon's products provide an external heat source to pipes, vessels and instruments for the purposes of freeze protection, temperature maintenance, environmental monitoring and surface snow and ice melting. Thermon is headquartered in San Marcos, Texas. For more information, please visit www.thermon.com.

The Thermon logo is available at https://www.globenewswire.com/newsroom/prs/?pkgid=7808

CONTACT: Sarah Alexander
         Thermon
         (512) 396-5801
         Investor.Relations@thermon.com

Image: Thermon Logo

Released July 6, 2011