WASHINGTON POST CO

CUSIP: 939640108 Class: CL B

ARIEL INVESTMENTS, LLC's Holding History (CIK: 0000936753)

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

Q3 2013
Shares 103,841 Value ($000) $63,483 Avg Close — Range —
Q2 2013
Shares 118,700 Value ($000) $57,423 Avg Close — Range —