X0306 4 2014-02-14 0 0001489096 Thermon Group Holdings, Inc. THR 0001181536 PETERSON JAY 100 THERMON DRIVE SAN MARCOS TX 78666 0 1 0 0 CFO Common Stock 2014-02-14 4 M 0 4500 9.82 A 7714 D Common Stock 2014-02-14 4 S 0 4500 24.57 D 3214 D Stock Option (Right to Buy) 9.82 2014-02-14 4 M 0 4500 0 D 2011-05-04 2021-03-01 Common Stock 4500 6882 D Stock Option (Right to Buy) 12 2021-05-04 Common Stock 5000 5000 D Performance Units 0 Common Stock 5422 5422 D Restricted Stock Units 0 Common Stock 5422 5422 D Performance Units 0 Common Stock 8089 8089 D Restricted Stock Units 0 Common Stock 8089 8089 D Transactions pursuant to a Rule 10b5-1 Plan. Options vested and became fully exercisable in connection with the Issuer's initial public offering. Options vest in five equal annual installments beginning on May 4, 2012. On August 2, 2012, the reporting person was granted a performance unit award, which vests in annual installments on March 31, 2014 and March 31, 2015. The number of shares reflected in this filing represents the Target Award. The actual number of shares that may vest depends on the Issuer's total shareholder return performance relative to its peer group and ranges from 0% below Threshold performance, 50% at Threshold performance, 100% at Target performance and 200% at Maximum performance. On August 2, 2012, the reporting person was granted a restricted stock unit award that vests in equal annual installments on August 2, 2014 and 2015. On August 1, 2013, the reporting person was granted a performance unit award, which vests in annual installments on March 31, 2014, 2015 and 2016. The number of shares reflected in this filing represents the Target Award. The actual number of shares that may vest depends on the Issuer's total shareholder return performance relative to its peer group and ranges from 0% below Threshold performance, 50% at Threshold performance, 100% at Target performance and 200% at Maximum performance. On August 1, 2013, the reporting person was granted a restricted stock unit award that vests in equal annual installments on August 1, 2014, 2015 and 2016. /s/ Jay Peterson by Sarah Alexander as attorney-in-fact 2014-02-14