X0306 4 2014-07-31 1 0001489096 Thermon Group Holdings, Inc. THR 0001519531 ALEXANDER GEORGE P 100 THERMON DRIVE SAN MARCOS TX 78666 0 1 0 0 Special Advisor Common Stock 2014-08-01 4 M 0 21687 0 A 76934 D Common Stock 2015-03-31 4 F 0 3448 23.38 D 73486 D Common Stock 42252 I by spouse Common Stock 42252 I by Self, as trustee for the Bridget Alexander Trust Common Stock 54981 I by the George Alexander Trust Restricted Stock Units 0 2014-07-31 4 A 0 5013 0 A Common Stock 5013 5013 D Performance Units 0 2014-07-31 4 A 0 9567 0 A Common Stock 9567 9567 D Restricted Stock Units 0 2014-08-01 4 M 0 4562 0 D Common Stock 4562 9126 D Restricted Stock Units 0 2014-08-02 4 M 0 4647 0 A Common Stock 4647 4647 D Performance Units 0 2015-05-20 4 M 0 4647 0 D Common Stock 4647 0 D Performance Units 0 2015-05-20 4 M 0 4563 0 D Common Stock 5325 4563 D Restricted Stock Units 0 2015-03-31 4 M 0 2506 0 D Common Stock 2506 2507 D Stock Options (Right to Buy) 12 2014-10-09 4 M 0 2000 12 D 2014-05-04 2021-05-04 Common Stock 2000 4000 D On July 31, 2014, the reporting person was granted a restricted stock unit award that vests in equal installments on March 31, 2015 and 2016. On July 31, 2014, the reporting person was granted 9,567 performance units which will vest in equal installments on March 31, 2015 and 2016. The underlying shares will only be earned if and to the extent that the Issuer achieves certain predetermined total shareholder return goals for the performance period beginning July 31, 2014 through March 31, 2017. No shares will be earned or issued in settlement of the award until the full performance period has elapsed. The actual number of shares that may vest depends on the Issuer's total shareholder return performance relative to a performance index and ranges from 0% below Target performance, 100% at Target performance and 200% at Maximum performance. The number of shares reflected on this filing represents the Target Award. 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. On August 2, 2012, the reporting person was granted a restricted stock unit award that vests in equal installments on August 2, 2014 and 2015. On August 2, 2012, the reporting person was granted performance units. Of the 4,647 Target shares eligible to be earned based on the Issuer's total shareholder return for the performance period ended March 31, 2015, the reporting person actually earned 100.0%, or 4,647 shares. The Compensation Committee certified the achievement of the performance goal on May 20, 2015. On August 1, 2013, the reporting person was granted performance units. Of the 4,563 Target shares eligible to be earned based on the Issuer's total shareholder return for the performance period ended March 31, 2015, the reporting person actually earned 116.7%, or 5,325 shares. The Compensation Committee certified the achievement of the performance goal on May 20, 2015. Options vest in equal annual installments on May 4, 2014, 2015 and 2016. Shares acquired on the vesting of 4,647, 4,562 and 2,506 restricted stock units on 8/2/2014, 8/1/2014 and 3/31/2015, respectively and on the vesting of 9,972 performance units on 3/31/2015. 1,267, 1,456 and 725 shares withheld for payment of tax liability on 5/20/2015, 5/20/2015 and 3/31/2015, respectively. The price represents the weighted average market closing price of the shares on the date of vest. /s/ George Alexander by Sarah Alexander as attorney-in-fact 2015-06-05