United States Natural Gas ETF

CUSIP: 912318102 Class: UNIT

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

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

Q4 2010
Shares 37,200 Value ($000) $223 Avg Close — Range —
Q2 2009
Shares 52,000 Value ($000) $721 Avg Close — Range —