UNITED STATES NATL GAS FUND

CUSIP: 912318201 Class: UNIT PAR $0.001

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q4 2017
Shares 1,812,740 Value ($000) $10,568 Avg Close — Range —
Q3 2017
Shares 945,050 Value ($000) $6,209 Avg Close — Range —
Q2 2017
Shares 1,083,019 Value ($000) $7,343 Avg Close — Range —
Q1 2017
Shares 1,351,294 Value ($000) $10,229 Avg Close — Range —
Q4 2016
Shares 2,538,734 Value ($000) $23,712 Avg Close — Range —
Q3 2016
Shares 1,583,971 Value ($000) $13,242 Avg Close — Range —
Q2 2016
Shares 1,651,980 Value ($000) $14,273 Avg Close — Range —
Q1 2016
Shares 1,421,889 Value ($000) $9,470 Avg Close — Range —
Q4 2015
Shares 776,068 Value ($000) $6,729 Avg Close — Range —
Q2 2015
Shares 217,479 Value ($000) $2,949 Avg Close — Range —
Q2 2014
Shares 6,524 Value ($000) $160 Avg Close — Range —
Q4 2013
Shares 42,769 Value ($000) $885 Avg Close — Range —
Q3 2013
Shares 10,314 Value ($000) $189 Avg Close — Range —
Q2 2013
Shares 47,139 Value ($000) $893 Avg Close — Range —