WASHINGTON POST CO

CUSIP: 939640108 Class: CL B

RHUMBLINE ADVISERS's Holding History (CIK: 0001115418)

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

Q3 2013
Shares 7,412 Value ($000) $4,531 Avg Close — Range —
Q2 2013
Shares 7,370 Value ($000) $3,565 Avg Close — Range —