NISKA GAS STORAGE PARTNERS L

CUSIP: 654678101 Class: UNIT LTD

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

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

Q2 2014
Shares 113,050 Value ($000) $1,740 Avg Close — Range —
Q4 2013
Shares 199,600 Value ($000) $2,946 Avg Close — Range —
Q3 2013
Shares 175,000 Value ($000) $2,704 Avg Close — Range —
Q2 2013
Shares 175,000 Value ($000) $2,614 Avg Close — Range —