WILLIAMS PARTNERS L P

CUSIP: 96950F104 Class: COM UNIT L P

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

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

Q4 2014
Shares 1,686,670 Value ($000) $75,478 Avg Close — Range —
Q3 2014
Shares 1,818,970 Value ($000) $96,496 Avg Close — Range —
Q2 2014
Shares 841,401 Value ($000) $45,680 Avg Close — Range —
Q1 2014
Shares 822,600 Value ($000) $41,903 Avg Close — Range —
Q4 2013
Shares 822,600 Value ($000) $41,837 Avg Close — Range —
Q3 2013
Shares 822,600 Value ($000) $43,499 Avg Close — Range —
Q2 2013
Shares 721,600 Value ($000) $37,235 Avg Close — Range —