QUANTUM CORP

CUSIP: 747906204 Class: CMN

BOKF, NA's Holding History (CIK: 0000009634)

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

Q1 2017
Shares 37,350 Value ($000) $32 Avg Close — Range —
Q4 2016
Shares 37,350 Value ($000) $31 Avg Close — Range —
Q3 2016
Shares 37,350 Value ($000) $27 Avg Close — Range —
Q2 2016
Shares 37,350 Value ($000) $16 Avg Close — Range —
Q1 2016
Shares 37,350 Value ($000) $23 Avg Close — Range —