SYNTHETIC BIOLOGICS INC

CUSIP: 87164U102 Class: COM

OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AM's Holding History (CIK: 0001132716)

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

Q2 2017
Shares 749,848 Value ($000) $424,000 Avg Close — Range —
Q1 2017
Shares 1,000,000 Value ($000) $631,000 Avg Close — Range —
Q4 2016
Shares 1,000,000 Value ($000) $763,000 Avg Close — Range —