NAVIDEA BIOPHARMACEUTICALS I

CUSIP: 63937X103 Class: COM

TWIN FOCUS CAPITAL PARTNERS, LLC's Holding History (CIK: 0001387761)

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

Q3 2015
Shares 21,750 Value ($000) $50 Avg Close — Range —
Q2 2015
Shares 21,750 Value ($000) $35 Avg Close — Range —
Q1 2015
Shares 21,750 Value ($000) $35 Avg Close — Range —
Q4 2014
Shares 21,750 Value ($000) $41 Avg Close — Range —