DOT HILL SYS CORP

CUSIP: 25848T109 Class: CMN

ProShare Advisors LLC's Holding History (CIK: 0001357955)

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

Q1 2015
Shares 11,591 Value ($000) $61 Avg Close — Range —
Q4 2014
Shares 12,882 Value ($000) $57 Avg Close — Range —
Q3 2014
Shares 23,831 Value ($000) $90 Avg Close — Range —
Q2 2014
Shares 29,235 Value ($000) $137 Avg Close — Range —