WASHINGTON POST CO

CUSIP: 939640108 Class: CL B

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

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

Q3 2013
Shares 7,803 Value ($000) $4,770 Avg Close — Range —
Q2 2013
Shares 7,603 Value ($000) $3,678 Avg Close — Range —
Q1 2013
Shares 7,330 Value ($000) $3,277 Avg Close — Range —