DOT HILL SYS CORP

CUSIP: 25848T109 Class: CMN

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

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

Q3 2015
Shares 912,945 Value ($000) $8,883 Avg Close — Range —
Q4 2013
Shares 251,700 Value ($000) $848 Avg Close — Range —