QUALSTAR CORP

CUSIP: 74758R109 Class: COMMON

UBS Group AG's Holding History (CIK: 0001610520)

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

Q4 2015
Shares 4,239 Value ($000) $3 Avg Close — Range —
Q1 2015
Shares 4,169 Value ($000) $6 Avg Close — Range —
Q4 2014
Shares 4,440 Value ($000) $6 Avg Close — Range —