GREAT LAKES DREDGE & DOCK CO

Ticker: GLDD CUSIP: 390607109 Class: Common Stock

MUFG Americas Holdings Corp's Holding History (CIK: 0001011659)

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

Q2 2011
Shares 21,500 Value ($000) $120 Avg Close — Range —
Q1 2011
Shares 124,400 Value ($000) $949 Avg Close — Range —
Q4 2010
Shares 101,000 Value ($000) $744 Avg Close — Range —