WILLIAMS PARTNERS L P NEW

CUSIP: 96949L105 Class: COM UNIT LTD PAR

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

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

Q2 2018
Shares 3,697,569 Value ($000) $150,084 Avg Close — Range —
Q1 2018
Shares 3,592,629 Value ($000) $123,694 Avg Close — Range —
Q4 2017
Shares 3,350,990 Value ($000) $129,952 Avg Close — Range —
Q3 2017
Shares 2,938,116 Value ($000) $114,292 Avg Close — Range —
Q2 2017
Shares 3,044,216 Value ($000) $122,104 Avg Close — Range —
Q1 2017
Shares 2,612,035 Value ($000) $106,650 Avg Close — Range —
Q4 2016
Shares 3,389,376 Value ($000) $128,898 Avg Close — Range —
Q3 2016
Shares 3,618,445 Value ($000) $134,570 Avg Close — Range —
Q2 2016
Shares 3,681,431 Value ($000) $127,524 Avg Close — Range —
Q1 2016
Shares 2,510,350 Value ($000) $51,337 Avg Close — Range —
Q4 2015
Shares 1,853,570 Value ($000) $51,622 Avg Close — Range —
Q3 2015
Shares 2,451,635 Value ($000) $78,256 Avg Close — Range —
Q2 2015
Shares 2,541,749 Value ($000) $123,097 Avg Close — Range —
Q1 2015
Shares 2,353,786 Value ($000) $115,853 Avg Close — Range —