U.S. Natural Gas Fund

CUSIP: 912318110 Class: COM

HUNTINGTON NATIONAL BANK's Holding History (CIK: 0000049205)

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

Q4 2011
Shares 525 Value ($000) $3 Avg Close — Range —
Q3 2011
Shares 600 Value ($000) $5 Avg Close — Range —
Q2 2011
Shares 3,300 Value ($000) $36 Avg Close — Range —
Q1 2011
Shares 20,500 Value ($000) $236 Avg Close — Range —