ORION GROUP HOLDINGS INC

Ticker: ORN CUSIP: 68628V308 Class: Common Stock

ACK Asset Management LLC's Holding History (CIK: 0001510940)

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

Q2 2015
Shares 1,125,000 Value ($000) $8,123 Avg Close $8.16 Range $7.04 - $9.60
Q1 2015
Shares 1,079,400 Value ($000) $9,563 Avg Close $9.60 Range $8.63 - $11.18
Q4 2014
Shares 802,720 Value ($000) $8,870 Avg Close $10.46 Range $8.65 - $12.10
Q3 2014
Shares 1,240,200 Value ($000) $12,377 Avg Close $10.50 Range $9.79 - $11.44
Q2 2014
Shares 1,240,000 Value ($000) $13,429 Avg Close $11.66 Range $10.60 - $13.50
Q1 2014
Shares 1,240,000 Value ($000) $15,587 Avg Close $11.41 Range $10.19 - $12.83
Q4 2013
Shares 1,185,808 Value ($000) $14,265 Avg Close $11.62 Range $10.35 - $13.77
Q3 2013
Shares 824,209 Value ($000) $8,580 Avg Close $11.04 Range $9.20 - $13.52
Q2 2013
Shares 667,178 Value ($000) $8,066 Avg Close $10.70 Range $8.41 - $12.77