NAVIDEA BIOPHARMACEUTICALS I

CUSIP: 63937X103 Class: COM

STEPHENS INC /AR/'s Holding History (CIK: 0000757657)

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

Q3 2016
Shares 15,000 Value ($000) $14 Avg Close — Range —
Q2 2016
Shares 15,000 Value ($000) $8 Avg Close — Range —
Q1 2016
Shares 14,000 Value ($000) $13 Avg Close — Range —
Q4 2015
Shares 14,000 Value ($000) $19 Avg Close — Range —
Q3 2015
Shares 14,000 Value ($000) $32 Avg Close — Range —
Q2 2015
Shares 13,500 Value ($000) $22 Avg Close — Range —
Q1 2015
Shares 13,500 Value ($000) $21 Avg Close — Range —
Q4 2014
Shares 11,500 Value ($000) $22 Avg Close — Range —
Q3 2014
Shares 11,500 Value ($000) $15 Avg Close — Range —
Q2 2014
Shares 11,500 Value ($000) $17 Avg Close — Range —
Q1 2014
Shares 11,500 Value ($000) $21 Avg Close — Range —
Q4 2013
Shares 10,500 Value ($000) $22 Avg Close — Range —