X0203 3 2011-04-07 0 0001383183 CombiMatrix Corp CBMX 0001464816 HLM Venture Partners III, L.P. 222 BERKELEY STREET, 21ST FLOOR BOSTON MA 02116 0 0 1 0 0001516993 HLM Venture Associates III, LLC 222 BERKELEY STREET, 21ST FLOOR BOSTON MA 02116 0 0 1 0 0001025665 CAHILL EDWARD L C/O HLM VENTURE PARTNERS 222 BERKELEY STREET, 21ST FLOOR BOSTON MA 02116 0 0 1 0 0001242813 GRUA PETER J C/O HLM VENTURE PARTNERS 222 BERKELEY STREET, 21ST FLOOR BOSTON MA 02116 0 0 1 0 0001225960 RAY RUSSELL T C/O HLM VENTURE PARTNERS 222 BERKELEY STREET, 21ST FLOOR BOSTON MA 02116 0 0 1 0 Common Stock 1595896 D Common Stock Warrants (right to buy) 2.14 2011-10-08 2016-04-07 Common Stock 678255 D Securities held of record by HLM Venture Partners III, L.P. ("HLM"). HLM Venture Associates III, LLC (the "GPLLC"), as the sole general partner of HLM, may be deemed to beneficially own certain of the shares held of record by HLM. The GPLLC disclaims beneficial ownership of all shares held of record by HLM in which the GPLLC does not have an actual pecuniary interest. Each of Messrs. Cahill, Grua and Ray, as individual Class A Members of the GPLLC, may be deemed to beneficially own certain of the shares held of record by HLM. Each of Messrs. Cahill, Grua and Ray disclaims beneficial ownership of all shares held of record by HLM in which he does not have an actual pecuniary interest. /s/ Vincent J. Fabiani as attorney-in-fact for HLM Ventures Partners III, l..P. 2011-04-15 /s/ Vincent J. Fabiani as attorney-in-fact for HLM Ventures Assocaites III, l.LC 2011-04-15 /s/ Vincent J. Fabiani as attorney-in-fact for Edward L. Cahill 2011-04-15 /s/ Vincent J. Fabiani as attorney-in-fact for Peter Grua 2011-04-15 /s/ Vincent J. Fabiani as attorney-in-fact for Russell T. Ray 2011-04-15