QUANTUM CORP

CUSIP: 747906204 Class: CMN

PROFUND ADVISORS LLC's Holding History (CIK: 0001129919)

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

Q2 2015
Shares 11,115 Value ($000) $19 Avg Close — Range —
Q1 2015
Shares 13,865 Value ($000) $22 Avg Close — Range —
Q4 2014
Shares 12,455 Value ($000) $22 Avg Close — Range —
Q3 2014
Shares 12,690 Value ($000) $15 Avg Close — Range —
Q2 2014
Shares 26,085 Value ($000) $32 Avg Close — Range —
Q1 2014
Shares 25,200 Value ($000) $31 Avg Close — Range —
Q4 2013
Shares 15,330 Value ($000) $18 Avg Close — Range —
Q3 2013
Shares 12,600 Value ($000) $17 Avg Close — Range —
Q2 2013
Shares 12,180 Value ($000) $17 Avg Close — Range —