DOT HILL SYS CORP

CUSIP: 25848T109 Class: CMN

PRINCIPAL FINANCIAL GROUP INC's Holding History (CIK: 0001126328)

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

Q3 2015
Shares 10,988 Value ($000) $107 Avg Close — Range —
Q2 2015
Shares 16,848 Value ($000) $103 Avg Close — Range —
Q2 2014
Shares 19,649 Value ($000) $92 Avg Close — Range —