NORTHWEST PIPE CO

Ticker: NWPX CUSIP: 667746101 Class: Common Stock

PRELUDE CAPITAL MANAGEMENT, LLC's Holding History (CIK: 0001387508)

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

Q4 2021

Shares 18,652 Value ($000) $593 Avg Close $27.54 Range $23.11 - $32.00

Q3 2021

Shares 26,252 Value ($000) $622 Avg Close $26.46 Range $23.17 - $29.19

Q2 2021

Shares 23,252 Value ($000) $657 Avg Close $31.75 Range $27.56 - $34.94

Q3 2020

Shares 1,720 Value ($000) $46 Avg Close $26.47 Range $22.69 - $29.81

Q2 2020

Shares 2,020 Value ($000) $51 Avg Close $23.80 Range $19.33 - $27.57

Q4 2019

Shares 2,790 Value ($000) $93 Avg Close $31.55 Range $25.02 - $34.80

Q3 2019

Shares 2,175 Value ($000) $61 Avg Close $25.44 Range $18.04 - $28.93

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2021	18,652	$593	$27.54	$23.11 - $32.00
Q3 2021	26,252	$622	$26.46	$23.17 - $29.19
Q2 2021	23,252	$657	$31.75	$27.56 - $34.94
Q3 2020	1,720	$46	$26.47	$22.69 - $29.81
Q2 2020	2,020	$51	$23.80	$19.33 - $27.57
Q4 2019	2,790	$93	$31.55	$25.02 - $34.80
Q3 2019	2,175	$61	$25.44	$18.04 - $28.93