WILLIAMS PARTNERS L P

CUSIP: 96950F104 Class: COM UNIT L P

GREAT LAKES ADVISORS, LLC's Holding History (CIK: 0001078013)

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

Q1 2014

Shares 4,211 Value ($000) $215 Avg Close — Range —

Q4 2013

Shares 4,211 Value ($000) $214 Avg Close — Range —

Q3 2013

Shares 4,211 Value ($000) $223 Avg Close — Range —

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2014	4,211	$215	—	—
Q4 2013	4,211	$214	—	—
Q3 2013	4,211	$223	—	—