NATURAL GAS SERVICES GROUP

Ticker: NGS CUSIP: 63886Q109 Class: Common Stock

DUPONT CAPITAL MANAGEMENT CORP's Holding History (CIK: 0001128251)

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

Q4 2018

Shares 24,726 Value ($000) $406 Avg Close $18.94 Range $15.26 - $20.99

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2018	24,726	$406	$18.94	$15.26 - $20.99