ONEOK PARTNERS LP

CUSIP: 68268N103 Class: UNIT LTD PARTN

Main Street Research LLC's Holding History (CIK: 0001513211)

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

Q3 2014
Shares 44,391 Value ($000) $2,484 Avg Close — Range —
Q2 2014
Shares 44,186 Value ($000) $2,589 Avg Close — Range —
Q1 2014
Shares 39,046 Value ($000) $2,091 Avg Close — Range —
Q4 2013
Shares 34,236 Value ($000) $1,803 Avg Close — Range —
Q3 2013
Shares 34,861 Value ($000) $1,848 Avg Close — Range —
Q2 2013
Shares 32,331 Value ($000) $1,601 Avg Close — Range —