ONCONOVA THERAPEUTICS INC

CUSIP: 68232V108 Class: COM

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM's Holding History (CIK: 0001081019)

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

Q1 2014
Shares 10,700 Value ($000) $68 Avg Close — Range —
Q4 2013
Shares 10,700 Value ($000) $123 Avg Close — Range —
Q3 2013
Shares 8,600 Value ($000) $228 Avg Close — Range —