EAGLE ROCK ENERGY PARTNERS L

CUSIP: 26985R104 Class: CMN

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

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

Q1 2014
Shares 1,785,364 Value ($000) $9,391 Avg Close — Range —
Q4 2013
Shares 1,923,381 Value ($000) $11,444 Avg Close — Range —