QUANTUM CORP

CUSIP: 747906204 Class: CMN

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM's Holding History (CIK: 0001081019)

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

Q1 2016
Shares 462,389 Value ($000) $282 Avg Close — Range —
Q4 2015
Shares 399,234 Value ($000) $371 Avg Close — Range —
Q3 2015
Shares 392,120 Value ($000) $273 Avg Close — Range —
Q2 2015
Shares 393,420 Value ($000) $661 Avg Close — Range —
Q1 2015
Shares 400,399 Value ($000) $641 Avg Close — Range —
Q4 2014
Shares 406,699 Value ($000) $716 Avg Close — Range —
Q3 2014
Shares 404,968 Value ($000) $470 Avg Close — Range —
Q2 2014
Shares 400,469 Value ($000) $489 Avg Close — Range —
Q1 2014
Shares 384,269 Value ($000) $469 Avg Close — Range —
Q4 2013
Shares 384,269 Value ($000) $461 Avg Close — Range —
Q3 2013
Shares 382,269 Value ($000) $528 Avg Close — Range —
Q2 2013
Shares 369,954 Value ($000) $507 Avg Close — Range —
Q1 2013
Shares 406,495 Value ($000) $520 Avg Close — Range —