ONEOK PARTNERS LP

CUSIP: 68268N103 Class: UNIT LTD PARTN

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

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

Q2 2017
Shares 1,229,900 Value ($000) $62,811 Avg Close — Range —
Q1 2017
Shares 1,248,656 Value ($000) $67,415 Avg Close — Range —
Q4 2016
Shares 1,743,271 Value ($000) $74,978 Avg Close — Range —
Q3 2016
Shares 1,783,346 Value ($000) $71,245 Avg Close — Range —
Q2 2016
Shares 1,601,075 Value ($000) $64,139 Avg Close — Range —
Q1 2016
Shares 1,834,905 Value ($000) $57,616 Avg Close — Range —
Q4 2015
Shares 2,952,460 Value ($000) $88,958 Avg Close — Range —
Q3 2015
Shares 1,355,680 Value ($000) $39,667 Avg Close — Range —
Q2 2015
Shares 840,800 Value ($000) $28,587 Avg Close — Range —
Q1 2015
Shares 746,320 Value ($000) $30,480 Avg Close — Range —
Q4 2014
Shares 530,150 Value ($000) $21,010 Avg Close — Range —
Q3 2014
Shares 431,592 Value ($000) $24,161 Avg Close — Range —
Q2 2014
Shares 366,741 Value ($000) $21,491 Avg Close — Range —
Q1 2014
Shares 291,586 Value ($000) $15,614 Avg Close — Range —
Q4 2013
Shares 289,365 Value ($000) $15,235 Avg Close — Range —
Q3 2013
Shares 329,311 Value ($000) $17,546 Avg Close — Range —
Q2 2013
Shares 299,175 Value ($000) $14,816 Avg Close — Range —