WILLIAMS PARTNERS L P

CUSIP: 96950F104 Class: COM UNIT L P

CITADEL ADVISORS LLC's Holding History (CIK: 0001423053)

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

Q4 2014

Shares 19,108 Value ($000) $855 Avg Close — Range —

Q2 2014

Shares 11,729 Value ($000) $637 Avg Close — Range —

Q1 2014

Shares 2,007 Value ($000) $102 Avg Close — Range —

Q4 2013

Shares 6,496 Value ($000) $330 Avg Close — Range —

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2014	19,108	$855	—	—
Q2 2014	11,729	$637	—	—
Q1 2014	2,007	$102	—	—
Q4 2013	6,496	$330	—	—