ONEOK PARTNERS LP

CUSIP: 68268N103 Class: UNIT LTD PARTN

DUFF & PHELPS INVESTMENT MANAGEMENT CO's Holding History (CIK: 0000765443)

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

Q2 2017
Shares 529,291 Value ($000) $27,031 Avg Close — Range —
Q1 2017
Shares 579,291 Value ($000) $31,276 Avg Close — Range —
Q4 2016
Shares 579,291 Value ($000) $24,915 Avg Close — Range —
Q3 2016
Shares 469,291 Value ($000) $18,748 Avg Close — Range —
Q2 2016
Shares 251,791 Value ($000) $10,087 Avg Close — Range —
Q1 2016
Shares 89,291 Value ($000) $2,804 Avg Close — Range —
Q4 2015
Shares 174,291 Value ($000) $5,251 Avg Close — Range —
Q3 2015
Shares 244,291 Value ($000) $7,148 Avg Close — Range —
Q2 2015
Shares 314,291 Value ($000) $10,686 Avg Close — Range —
Q1 2015
Shares 646,291 Value ($000) $26,395 Avg Close — Range —
Q4 2014
Shares 806,291 Value ($000) $31,953 Avg Close — Range —
Q3 2014
Shares 596,291 Value ($000) $33,368 Avg Close — Range —
Q2 2014
Shares 292,000 Value ($000) $17,111 Avg Close — Range —
Q1 2014
Shares 292,000 Value ($000) $15,637 Avg Close — Range —
Q4 2013
Shares 292,000 Value ($000) $15,374 Avg Close — Range —
Q3 2013
Shares 200,000 Value ($000) $10,602 Avg Close — Range —
Q2 2013
Shares 200,000 Value ($000) $9,904 Avg Close — Range —