WILLIAMS PARTNERS L P

CUSIP: 96950F104 Class: COM UNIT L P

TORTOISE CAPITAL ADVISORS, L.L.C.'s Holding History (CIK: 0001280965)

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

Q1 2015
Shares 6,374,444 Value ($000) $313,750 Avg Close — Range —
Q4 2014
Shares 3,375,352 Value ($000) $151,047 Avg Close — Range —
Q3 2014
Shares 3,812,794 Value ($000) $202,269 Avg Close — Range —
Q2 2014
Shares 3,812,794 Value ($000) $206,997 Avg Close — Range —
Q1 2014
Shares 4,040,400 Value ($000) $205,818 Avg Close — Range —
Q4 2013
Shares 4,040,400 Value ($000) $205,495 Avg Close — Range —
Q3 2013
Shares 4,491,287 Value ($000) $237,499 Avg Close — Range —
Q2 2013
Shares 4,491,287 Value ($000) $231,750 Avg Close — Range —