PROSHARES TR

Ticker: TBT CUSIP: 74347B201 Class: ETF

DUDLEY & SHANLEY, INC.'s Holding History (CIK: 0000883511)

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

Q4 2013
Shares 17,100 Value ($000) $1,354 Avg Close — Range —
Q3 2013
Shares 20,360 Value ($000) $1,532 Avg Close — Range —
Q2 2013
Shares 73,570 Value ($000) $5,329 Avg Close — Range —