THERMON GROUP HLDGS INC

Ticker: THR CUSIP: 88362T103 Class: Common Stock

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

Note: Option positions (PUT/CALL) are excluded.

Q2 2013

Shares 1,300 Value ($000) $27 Avg Close $20.05 Range $17.99 - $22.25

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2013	1,300	$27	$20.05	$17.99 - $22.25