NORTHWEST PIPE CO

Ticker: NWPX CUSIP: 667746101 Class: Common Stock

CENTRAL TRUST Co's Holding History (CIK: 0000044365)

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

Q4 2017

Shares 20 Value ($000) $0 Avg Close $18.52 Range $16.62 - $21.11

Q3 2017

Shares 20 Value ($000) $0 Avg Close $16.67 Range $14.50 - $19.54

Q2 2017

Shares 20 Value ($000) $0 Avg Close $14.70 Range $12.41 - $17.18

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2017	20	$0	$18.52	$16.62 - $21.11
Q3 2017	20	$0	$16.67	$14.50 - $19.54
Q2 2017	20	$0	$14.70	$12.41 - $17.18