DOT HILL SYS CORP

CUSIP: 25848T109 Class: CMN

ALLIANCEBERNSTEIN L.P.'s Holding History (CIK: 0001109448)

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

Q3 2015
Shares 44,800 Value ($000) $436 Avg Close — Range —
Q1 2015
Shares 5,400 Value ($000) $29 Avg Close — Range —
Q4 2014
Shares 5,400 Value ($000) $24 Avg Close — Range —
Q3 2014
Shares 5,400 Value ($000) $20 Avg Close — Range —
Q2 2014
Shares 5,400 Value ($000) $25 Avg Close — Range —
Q1 2014
Shares 692 Value ($000) $3 Avg Close — Range —
Q4 2013
Shares 692 Value ($000) $2 Avg Close — Range —
Q3 2013
Shares 692 Value ($000) $1 Avg Close — Range —