ATMOS ENERGY CORP

Ticker: ATO CUSIP: 049560105 Class: COM

VAUGHAN NELSON INVESTMENT MANAGEMENT, L.P.'s Holding History (CIK: 0001021642)

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

Q2 2014

Shares 388,050 Value ($000) $20,722 Avg Close $38.03 Range $34.82 - $40.36

Q1 2014

Shares 983,550 Value ($000) $46,356 Avg Close $34.39 Range $32.86 - $35.99

Q4 2013

Shares 1,018,000 Value ($000) $46,238 Avg Close $32.69 Range $30.16 - $35.01

Q3 2013

Shares 1,073,925 Value ($000) $45,737 Avg Close $31.01 Range $28.94 - $33.33

Q2 2013

Shares 1,023,650 Value ($000) $42,031 Avg Close $31.05 Range $27.80 - $33.01

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2014	388,050	$20,722	$38.03	$34.82 - $40.36
Q1 2014	983,550	$46,356	$34.39	$32.86 - $35.99
Q4 2013	1,018,000	$46,238	$32.69	$30.16 - $35.01
Q3 2013	1,073,925	$45,737	$31.01	$28.94 - $33.33
Q2 2013	1,023,650	$42,031	$31.05	$27.80 - $33.01