UBS AG JERSEY BRANCH

CUSIP: 902664200 Class: 2XMN ALR MLP INF

CUSHING ASSET MANAGEMENT, LP dba NXG INVESTMENT MANAGEMENT's Holding History (CIK: 0001329375)

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

Q4 2014
Shares 85,000 Value ($000) $4,891 Avg Close — Range —
Q3 2014
Shares 113,700 Value ($000) $8,334 Avg Close — Range —
Q2 2014
Shares 115,000 Value ($000) $8,087 Avg Close — Range —
Q1 2014
Shares 130,000 Value ($000) $7,327 Avg Close — Range —
Q4 2013
Shares 135,000 Value ($000) $7,607 Avg Close — Range —
Q3 2013
Shares 135,000 Value ($000) $7,259 Avg Close — Range —
Q2 2013
Shares 100,000 Value ($000) $5,513 Avg Close — Range —