PROSHARES

CUSIP: 74347R297 Class: EXCHANGE TRADED

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

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

Q2 2011
Shares 4,300 Value ($000) $148 Avg Close — Range —
Q1 2011
Shares 36,500 Value ($000) $1,367 Avg Close — Range —
Q4 2010
Shares 36,500 Value ($000) $1,352 Avg Close — Range —
Q1 2010
Shares 36,500 Value ($000) $1,777 Avg Close — Range —
Q4 2009
Shares 36,500 Value ($000) $1,821 Avg Close — Range —
Q3 2009
Shares 31,800 Value ($000) $1,400 Avg Close — Range —
Q1 2009
Shares 15,000 Value ($000) $655 Avg Close — Range —