NORTHWEST PIPE CO

Ticker: NWPX CUSIP: 667746101 Class: Common Stock

GLENMEDE TRUST CO NA's Holding History (CIK: 0000314949)

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

Q1 2016

Shares 52 Value ($000) $0 Avg Close $9.23 Range $7.46 - $11.33

Q4 2015

Shares 52 Value ($000) $0 Avg Close $12.62 Range $9.87 - $15.57

Q3 2015

Shares 52 Value ($000) $0 Avg Close $16.66 Range $12.48 - $20.84

Q2 2015

Shares 52 Value ($000) $1 Avg Close $22.28 Range $19.55 - $25.86

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2016	52	$0	$9.23	$7.46 - $11.33
Q4 2015	52	$0	$12.62	$9.87 - $15.57
Q3 2015	52	$0	$16.66	$12.48 - $20.84
Q2 2015	52	$1	$22.28	$19.55 - $25.86