COMBIMATRIX CORPORATION

CUSIP: 20009T303 Class: COM

RENAISSANCE TECHNOLOGIES LLC's Holding History (CIK: 0001037389)

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

Q4 2015
Shares 60,298 Value ($000) $44 Avg Close — Range —
Q3 2015
Shares 41,198 Value ($000) $46 Avg Close — Range —
Q2 2015
Shares 31,198 Value ($000) $50 Avg Close — Range —
Q1 2015
Shares 17,800 Value ($000) $34 Avg Close — Range —
Q2 2013
Shares 17,974 Value ($000) $57 Avg Close — Range —