X0203 3 2011-05-04 0 0001489096 Thermon Group Holdings, Inc. THR 0001181536 PETERSON JAY 100 THERMON DRIVE SAN MARCOS TX 78666 0 1 0 0 Chief Financial Officer Stock Options 5.2 2020-10-20 Common Stock 163397 D Stock Options 9.82 2021-03-01 Common Stock 27136 D The stock options will vest and become exercisable immediately prior to the consummation of the issuer's initial public offering. /s/ Jay C. Peterson by Sarah Alexander as attorney-in-fact pursuant to attached Power of Attorney 2011-05-04