NAVIDEA BIOPHARMACEUTICALS I

CUSIP: 63937X103 Class: COM

ALLIANCEBERNSTEIN L.P.'s Holding History (CIK: 0001109448)

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

Q1 2016
Shares 35,400 Value ($000) $33 Avg Close — Range —
Q4 2015
Shares 45,900 Value ($000) $61 Avg Close — Range —
Q3 2015
Shares 45,900 Value ($000) $105 Avg Close — Range —
Q2 2015
Shares 45,900 Value ($000) $74 Avg Close — Range —
Q1 2015
Shares 40,800 Value ($000) $65 Avg Close — Range —
Q4 2014
Shares 54,700 Value ($000) $103 Avg Close — Range —
Q3 2014
Shares 68,300 Value ($000) $90 Avg Close — Range —
Q2 2014
Shares 68,300 Value ($000) $101 Avg Close — Range —
Q1 2014
Shares 67,596 Value ($000) $125 Avg Close — Range —
Q4 2013
Shares 89,696 Value ($000) $186 Avg Close — Range —
Q3 2013
Shares 148,696 Value ($000) $394 Avg Close — Range —
Q2 2013
Shares 160,236 Value ($000) $428 Avg Close — Range —