NORTHWEST PIPE CO

Ticker: NWPX CUSIP: 667746101 Class: Common Stock

Swiss National Bank's Holding History (CIK: 0001582202)

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

Q1 2015
Shares 8,700 Value ($000) $200 Avg Close $24.37 Range $20.50 - $30.28
Q4 2014
Shares 7,700 Value ($000) $232 Avg Close $32.30 Range $26.03 - $36.07
Q3 2014
Shares 7,700 Value ($000) $263 Avg Close $36.77 Range $32.90 - $41.43
Q2 2014
Shares 7,700 Value ($000) $311 Avg Close $36.33 Range $33.15 - $40.54
Q1 2014
Shares 7,700 Value ($000) $278 Avg Close $35.69 Range $32.43 - $38.48
Q4 2013
Shares 6,200 Value ($000) $234 Avg Close $36.44 Range $31.51 - $39.62
Q3 2013
Shares 6,200 Value ($000) $204 Avg Close $29.80 Range $27.51 - $33.00
Q2 2013
Shares 6,200 Value ($000) $173 Avg Close $27.10 Range $24.70 - $28.52