QUANTUM CORP

CUSIP: 747906501 Class: COM NEW

TOCQUEVILLE ASSET MANAGEMENT L.P.'s Holding History (CIK: 0000883961)

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

Q4 2017
Shares 17,312 Value ($000) $97 Avg Close — Range —
Q3 2017
Shares 266,256 Value ($000) $1,629 Avg Close — Range —