WILLIAMS PARTNERS L P

CUSIP: 96950F104 Class: COM UNIT L P

PANAGORA ASSET MANAGEMENT INC's Holding History (CIK: 0000883677)

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

Q4 2014

Shares 11,539 Value ($000) $516 Avg Close — Range —

Q3 2014

Shares 87 Value ($000) $5 Avg Close — Range —

Q3 2013

Shares 4,268 Value ($000) $226 Avg Close — Range —

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2014	11,539	$516	—	—
Q3 2014	87	$5	—	—
Q3 2013	4,268	$226	—	—