NORTHWEST PIPE CO

Ticker: NWPX CUSIP: 667746101 Class: Common Stock

Municipal Employees' Retirement System of Michigan's Holding History (CIK: 0001588873)

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

Q3 2014

Shares 11,700 Value ($000) $399 Avg Close $36.77 Range $32.90 - $41.43

Q2 2014

Shares 11,700 Value ($000) $472 Avg Close $36.33 Range $33.15 - $40.54

Q1 2014

Shares 11,700 Value ($000) $423 Avg Close $35.69 Range $32.43 - $38.48

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2014	11,700	$399	$36.77	$32.90 - $41.43
Q2 2014	11,700	$472	$36.33	$33.15 - $40.54
Q1 2014	11,700	$423	$35.69	$32.43 - $38.48