BUCYRUS INTERNATIONAL INC

CUSIP: 118759109 Class: COMMON STOCK

RATIONAL ADVISORS LLC's Holding History (CIK: 0001143565)

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

Q4 2010
Shares 10,200 Value ($000) $912 Avg Close — Range —
Q1 2010
Shares 17,500 Value ($000) $1,155 Avg Close — Range —
Q4 2009
Shares 41,800 Value ($000) $2,356 Avg Close — Range —
Q3 2009
Shares 55,600 Value ($000) $1,980 Avg Close — Range —
Q2 2009
Shares 45,800 Value ($000) $1,308 Avg Close — Range —
Q1 2009
Shares 35,800 Value ($000) $543 Avg Close — Range —