WASHINGTON POST CO

CUSIP: 939640108 Class: CL B

DIMENSIONAL FUND ADVISORS LP's Holding History (CIK: 0000354204)

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

Q3 2013
Shares 139,084 Value ($000) $85,027 Avg Close — Range —
Q2 2013
Shares 135,505 Value ($000) $65,555 Avg Close — Range —