UNITED STATES NATL GAS FUND

CUSIP: 912318201 Class: UNIT PAR $0.001

OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AM's Holding History (CIK: 0001132716)

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

Q2 2013
Shares 22,588 Value ($000) $428,000 Avg Close — Range —