WASHINGTON POST CO

CUSIP: 93964010 Class: CL B

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP's Holding History (CIK: 0001164508)

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

Q3 2013
Shares 60,125 Value ($000) $36,757 Avg Close — Range —
Q2 2013
Shares 22,637 Value ($000) $10,951 Avg Close — Range —