WILLIAMS PARTNERS L P

CUSIP: 96950F104 Class: COM UNIT L P

COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS's Holding History (CIK: 0001083190)

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

Q4 2014
Shares 286,667 Value ($000) $12,828 Avg Close — Range —
Q3 2014
Shares 472,269 Value ($000) $25,054 Avg Close — Range —
Q2 2014
Shares 544,532 Value ($000) $29,563 Avg Close — Range —
Q1 2014
Shares 931,874 Value ($000) $47,470 Avg Close — Range —
Q4 2013
Shares 953,284 Value ($000) $48,484 Avg Close — Range —
Q3 2013
Shares 766,500 Value ($000) $40,533 Avg Close — Range —
Q2 2013
Shares 147,193 Value ($000) $7,595 Avg Close — Range —