BOARDWALK PIPELINE PARTNERS

CUSIP: 096627104 Class: UT LTD PARTNER

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

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

Q1 2018
Shares 4,382,322 Value ($000) $44,481 Avg Close — Range —
Q4 2017
Shares 3,476,670 Value ($000) $44,884 Avg Close — Range —
Q3 2017
Shares 906,200 Value ($000) $13,321 Avg Close — Range —
Q2 2017
Shares 408,400 Value ($000) $7,355 Avg Close — Range —
Q2 2016
Shares 780,141 Value ($000) $13,614 Avg Close — Range —
Q1 2016
Shares 758,771 Value ($000) $11,184 Avg Close — Range —
Q3 2014
Shares 89,096 Value ($000) $1,666 Avg Close — Range —
Q2 2014
Shares 2,041,336 Value ($000) $37,780 Avg Close — Range —
Q1 2014
Shares 480,200 Value ($000) $6,439 Avg Close — Range —
Q4 2013
Shares 908,267 Value ($000) $23,179 Avg Close — Range —
Q3 2013
Shares 872,267 Value ($000) $26,491 Avg Close — Range —
Q2 2013
Shares 934,400 Value ($000) $28,219 Avg Close — Range —