NATURAL GAS SERVICES GROUP

Ticker: NGS CUSIP: 63886Q109 Class: Common Stock

C M BIDWELL & ASSOCIATES LTD's Holding History (CIK: 0001091860)

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

Q2 2013

Shares 5,640 Value ($000) $132,484 Avg Close $21.33 Range $18.17 - $23.75

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2013	5,640	$132,484	$21.33	$18.17 - $23.75