WASHINGTON POST CO

CUSIP: 939640108 Class: CL B

CITADEL ADVISORS LLC's Holding History (CIK: 0001423053)

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

Q3 2013
Shares 12,799 Value ($000) $7,824 Avg Close — Range —
Q2 2013
Shares 10,469 Value ($000) $5,065 Avg Close — Range —