NAVIDEA BIOPHARMACEUTICALS I

CUSIP: 63937X103 Class: COM

BROWN BROTHERS HARRIMAN & CO's Holding History (CIK: 0000014661)

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

Q4 2013
Shares 1,000 Value ($000) $2 Avg Close — Range —
Q3 2013
Shares 1,000 Value ($000) $3 Avg Close — Range —
Q2 2013
Shares 1,000 Value ($000) $3 Avg Close — Range —
Q1 2013
Shares 1,000 Value ($000) $3 Avg Close — Range —