WILLIAMS PARTNERS L P

CUSIP: 96950F104 Class: COM UNIT L P

BLAIR WILLIAM & CO/IL's Holding History (CIK: 0000902367)

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

Q4 2014
Shares 136,996 Value ($000) $6,130 Avg Close — Range —
Q3 2014
Shares 134,911 Value ($000) $7,156 Avg Close — Range —
Q2 2014
Shares 128,944 Value ($000) $7,000 Avg Close — Range —
Q1 2014
Shares 114,966 Value ($000) $5,856 Avg Close — Range —
Q4 2013
Shares 106,748 Value ($000) $5,429 Avg Close — Range —
Q3 2013
Shares 101,390 Value ($000) $5,361 Avg Close — Range —
Q2 2013
Shares 99,152 Value ($000) $5,116 Avg Close — Range —