ATMOS ENERGY CORP

CUSIP: 49560105 Class: Common Stock

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

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

Q4 2013
Shares 1,200 Value ($000) $55 Avg Close — Range —
Q3 2013
Shares 200 Value ($000) $9 Avg Close — Range —