NORTHWEST PIPE CO

Ticker: NWPX CUSIP: 667746101 Class: Common Stock

D.A. DAVIDSON & CO.'s Holding History (CIK: 0001080107)

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

Q4 2017

Shares 14,960 Value ($000) $286 Avg Close $18.52 Range $16.62 - $21.11

Q3 2017

Shares 568,283 Value ($000) $10,808 Avg Close $16.67 Range $14.50 - $19.54

Q2 2017

Shares 564,097 Value ($000) $9,172 Avg Close $14.70 Range $12.41 - $17.18

Q1 2017

Shares 549,366 Value ($000) $8,630 Avg Close $17.50 Range $15.01 - $19.55

Q4 2016

Shares 560,143 Value ($000) $9,645 Avg Close $15.40 Range $11.80 - $18.92

Q3 2016

Shares 577,170 Value ($000) $6,816 Avg Close $11.53 Range $10.35 - $12.37

Q2 2016

Shares 577,147 Value ($000) $6,221 Avg Close $9.56 Range $8.37 - $11.27

Q1 2016

Shares 521,922 Value ($000) $4,812 Avg Close $9.23 Range $7.46 - $11.33

Q4 2015

Shares 520,294 Value ($000) $5,822 Avg Close $12.62 Range $9.87 - $15.57

Q3 2015

Shares 323,455 Value ($000) $4,224 Avg Close $16.66 Range $12.48 - $20.84

Q2 2015

Shares 274,267 Value ($000) $5,586 Avg Close $22.28 Range $19.55 - $25.86

Q1 2015

Shares 202,025 Value ($000) $4,636 Avg Close $24.37 Range $20.50 - $30.28

Q4 2014

Shares 66,490 Value ($000) $2,002 Avg Close $32.30 Range $26.03 - $36.07

Q3 2014

Shares 68,940 Value ($000) $2,350 Avg Close $36.77 Range $32.90 - $41.43

Q2 2014

Shares 66,340 Value ($000) $2,675 Avg Close $36.33 Range $33.15 - $40.54

Q1 2014

Shares 68,740 Value ($000) $2,485 Avg Close $35.69 Range $32.43 - $38.48

Q4 2013

Shares 18,740 Value ($000) $707 Avg Close $36.44 Range $31.51 - $39.62

Q3 2013

Shares 19,590 Value ($000) $644 Avg Close $29.80 Range $27.51 - $33.00

Q2 2013

Shares 6,200 Value ($000) $172 Avg Close $27.10 Range $24.70 - $28.52

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2017	14,960	$286	$18.52	$16.62 - $21.11
Q3 2017	568,283	$10,808	$16.67	$14.50 - $19.54
Q2 2017	564,097	$9,172	$14.70	$12.41 - $17.18
Q1 2017	549,366	$8,630	$17.50	$15.01 - $19.55
Q4 2016	560,143	$9,645	$15.40	$11.80 - $18.92
Q3 2016	577,170	$6,816	$11.53	$10.35 - $12.37
Q2 2016	577,147	$6,221	$9.56	$8.37 - $11.27
Q1 2016	521,922	$4,812	$9.23	$7.46 - $11.33
Q4 2015	520,294	$5,822	$12.62	$9.87 - $15.57
Q3 2015	323,455	$4,224	$16.66	$12.48 - $20.84
Q2 2015	274,267	$5,586	$22.28	$19.55 - $25.86
Q1 2015	202,025	$4,636	$24.37	$20.50 - $30.28
Q4 2014	66,490	$2,002	$32.30	$26.03 - $36.07
Q3 2014	68,940	$2,350	$36.77	$32.90 - $41.43
Q2 2014	66,340	$2,675	$36.33	$33.15 - $40.54
Q1 2014	68,740	$2,485	$35.69	$32.43 - $38.48
Q4 2013	18,740	$707	$36.44	$31.51 - $39.62
Q3 2013	19,590	$644	$29.80	$27.51 - $33.00
Q2 2013	6,200	$172	$27.10	$24.70 - $28.52