WASHINGTON POST CO

CUSIP: 939640108 Class: CL B

PDT Partners, LLC's Holding History (CIK: 0001564702)

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

Q3 2013
Shares 1,747 Value ($000) $1,068 Avg Close — Range —
Q2 2013
Shares 868 Value ($000) $420 Avg Close — Range —