COMBIMATRIX CORPORATION

CUSIP: 20009T303 Class: COM

GEODE CAPITAL MANAGEMENT, LLC's Holding History (CIK: 0001214717)

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

Q4 2015
Shares 13,852 Value ($000) $10 Avg Close — Range —
Q3 2015
Shares 13,852 Value ($000) $15 Avg Close — Range —
Q2 2015
Shares 13,852 Value ($000) $22 Avg Close — Range —
Q1 2015
Shares 13,852 Value ($000) $26 Avg Close — Range —
Q4 2014
Shares 13,852 Value ($000) $17 Avg Close — Range —
Q3 2014
Shares 13,852 Value ($000) $17 Avg Close — Range —
Q2 2014
Shares 13,852 Value ($000) $29 Avg Close — Range —
Q1 2014
Shares 13,852 Value ($000) $42 Avg Close — Range —
Q4 2013
Shares 13,852 Value ($000) $31 Avg Close — Range —
Q3 2013
Shares 13,866 Value ($000) $40 Avg Close — Range —