MESA LABS INC

Ticker: MLAB CUSIP: 59064R109 Class: Common Stock

BRIDGEWAY CAPITAL MANAGEMENT, LLC's Holding History (CIK: 0001107261)

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

Q2 2015
Shares 10,030 Value ($000) $892 Avg Close $80.63 Range $64.55 - $88.64
Q1 2015
Shares 10,030 Value ($000) $724 Avg Close $70.91 Range $65.28 - $76.95
Q4 2014
Shares 10,030 Value ($000) $775 Avg Close $69.59 Range $54.13 - $80.65
Q3 2014
Shares 10,080 Value ($000) $582 Avg Close $68.77 Range $51.84 - $82.01
Q2 2014
Shares 10,080 Value ($000) $846 Avg Close $78.24 Range $70.63 - $86.28
Q1 2014
Shares 10,080 Value ($000) $910 Avg Close $80.28 Range $67.42 - $90.75
Q4 2013
Shares 10,030 Value ($000) $788 Avg Close $68.72 Range $61.20 - $78.13
Q3 2013
Shares 10,030 Value ($000) $678 Avg Close $60.15 Range $50.50 - $68.22
Q2 2013
Shares 10,030 Value ($000) $543 Avg Close $48.72 Range $43.39 - $52.49