COMBIMATRIX CORPORATION

CUSIP: 20009T501 Class: COM PAR

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

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

Q3 2017
Shares 2,772 Value ($000) $21 Avg Close — Range —
Q4 2016
Shares 4,260 Value ($000) $11 Avg Close — Range —
Q3 2016
Shares 1,232 Value ($000) $3 Avg Close — Range —
Q2 2016
Shares 1,198 Value ($000) $3 Avg Close — Range —
Q1 2016
Shares 1,030 Value ($000) $4 Avg Close — Range —