UNITED STATES OIL FUND LP

CUSIP: 91232n108 Class: UNITS

BERKSHIRE ASSET MANAGEMENT LLC/PA's Holding History (CIK: 0000949012)

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

Q1 2015
Shares 15,000 Value ($000) $253 Avg Close — Range —
Q4 2014
Shares 15,000 Value ($000) $305 Avg Close — Range —