NAVIDEA BIOPHARMACEUTICALS I

CUSIP: 63937X103 Class: COM

COMERICA BANK's Holding History (CIK: 0000901541)

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

Q1 2014
Shares 10,933 Value ($000) $20 Avg Close — Range —
Q4 2013
Shares 10,737 Value ($000) $22 Avg Close — Range —
Q3 2013
Shares 10,737 Value ($000) $28 Avg Close — Range —