QUANTUM CORP

CUSIP: 747906204 Class: CMN

COMERICA BANK's Holding History (CIK: 0000901541)

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

Q1 2014
Shares 19,675 Value ($000) $24 Avg Close — Range —
Q4 2013
Shares 19,675 Value ($000) $24 Avg Close — Range —
Q3 2013
Shares 19,675 Value ($000) $27 Avg Close — Range —
Q2 2013
Shares 22,174 Value ($000) $30 Avg Close — Range —