COMBIMATRIX CORPORATION

CUSIP: 20009T303 Class: COM

BANK OF AMERICA CORP /DE/'s Holding History (CIK: 0000070858)

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

Q3 2014
Shares 2 Value ($000) $0 Avg Close — Range —
Q2 2014
Shares 2 Value ($000) $0 Avg Close — Range —
Q1 2014
Shares 400 Value ($000) $1 Avg Close — Range —
Q4 2013
Shares 413 Value ($000) $1 Avg Close — Range —
Q2 2013
Shares 442 Value ($000) $1 Avg Close — Range —