WILLIAMS PARTNERS L P

CUSIP: 96950F104 Class: COM UNIT L P

BOKF, NA's Holding History (CIK: 0000009634)

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

Q4 2014
Shares 5,000 Value ($000) $224 Avg Close — Range —
Q3 2014
Shares 4,939 Value ($000) $262 Avg Close — Range —
Q2 2014
Shares 8,976 Value ($000) $487 Avg Close — Range —
Q1 2014
Shares 6,575 Value ($000) $335 Avg Close — Range —
Q4 2013
Shares 5,889 Value ($000) $300 Avg Close — Range —
Q3 2013
Shares 5,928 Value ($000) $313 Avg Close — Range —
Q2 2013
Shares 6,754 Value ($000) $348 Avg Close — Range —