WILLBROS GROUP INC DEL

CUSIP: 969203108 Class: COMMON STOCK

BANK OF MONTREAL /CAN/'s Holding History (CIK: 0000927971)

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

Q1 2015
Shares 169 Value ($000) $0 Avg Close — Range —
Q4 2014
Shares 804,151 Value ($000) $5,042 Avg Close — Range —
Q3 2014
Shares 977,171 Value ($000) $8,139 Avg Close — Range —
Q2 2014
Shares 937,895 Value ($000) $11,582 Avg Close — Range —
Q1 2014
Shares 7,682 Value ($000) $97 Avg Close — Range —
Q4 2013
Shares 4,476 Value ($000) $42 Avg Close — Range —
Q3 2013
Shares 8,755 Value ($000) $80 Avg Close — Range —
Q2 2013
Shares 12,840 Value ($000) $79 Avg Close — Range —