ASTEX PHARMACEUTICALS INC

CUSIP: 04624B103 Class: CMN

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

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

Q3 2013
Shares 170,333 Value ($000) $1,444 Avg Close — Range —
Q2 2013
Shares 164,855 Value ($000) $678 Avg Close — Range —
Q1 2013
Shares 161,539 Value ($000) $720 Avg Close — Range —