BARRETT BUSINESS SVCS INC

Ticker: BBSI CUSIP: 068463108 Class: Common Stock

OBERWEIS ASSET MANAGEMENT INC/'s Holding History (CIK: 0000937886)

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

Q1 2014

Shares 63,616 Value ($000) $3,790 Avg Close $15.37 Range $11.97 - $21.09

Q4 2013

Shares 94,651 Value ($000) $8,778 Avg Close $16.82 Range $13.66 - $20.23

Q3 2013

Shares 96,326 Value ($000) $6,484 Avg Close $13.44 Range $9.88 - $15.11

Q2 2013

Shares 28,288 Value ($000) $1,477 Avg Close $11.62 Range $9.95 - $12.88

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2014	63,616	$3,790	$15.37	$11.97 - $21.09
Q4 2013	94,651	$8,778	$16.82	$13.66 - $20.23
Q3 2013	96,326	$6,484	$13.44	$9.88 - $15.11
Q2 2013	28,288	$1,477	$11.62	$9.95 - $12.88