WILLIAMS PARTNERS L P

CUSIP: 96950F104 Class: COM UNIT L P

Acropolis Investment Management, LLC's Holding History (CIK: 0001318601)

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

Q1 2015
Shares 8,459 Value ($000) $416 Avg Close — Range —
Q4 2014
Shares 9,760 Value ($000) $436,760 Avg Close — Range —
Q3 2014
Shares 9,760 Value ($000) $518 Avg Close — Range —
Q2 2014
Shares 9,760 Value ($000) $530 Avg Close — Range —
Q1 2014
Shares 9,760 Value ($000) $497,174 Avg Close — Range —
Q4 2013
Shares 9,760 Value ($000) $496 Avg Close — Range —
Q3 2013
Shares 11,208 Value ($000) $592,679 Avg Close — Range —
Q2 2013
Shares 11,208 Value ($000) $578,333 Avg Close — Range —