WORLD ENERGY SOLUTIONS INC D

CUSIP: 98145W208 Class: COM

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

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

Q2 2014
Shares 146,914 Value ($000) $589 Avg Close — Range —
Q1 2014
Shares 146,914 Value ($000) $708 Avg Close — Range —
Q4 2013
Shares 299,014 Value ($000) $1,271 Avg Close — Range —
Q3 2013
Shares 258,831 Value ($000) $849 Avg Close — Range —
Q2 2013
Shares 272,643 Value ($000) $1,082 Avg Close — Range —