NAVIDEA BIOPHARMACEUTICALS I

CUSIP: 63937X103 Class: COM

TEACHER RETIREMENT SYSTEM OF TEXAS's Holding History (CIK: 0000796848)

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

Q3 2014
Shares 4,618 Value ($000) $6 Avg Close — Range —
Q2 2014
Shares 4,618 Value ($000) $7 Avg Close — Range —
Q1 2014
Shares 4,757 Value ($000) $9 Avg Close — Range —
Q4 2013
Shares 4,711 Value ($000) $10 Avg Close — Range —
Q3 2013
Shares 15,149 Value ($000) $40 Avg Close — Range —
Q2 2013
Shares 7,801 Value ($000) $21 Avg Close — Range —