WASHINGTON POST CO

CUSIP: 939640108 Class: CL B

Zurcher Kantonalbank (Zurich Cantonalbank)'s Holding History (CIK: 0001368163)

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

Q3 2012
Shares 106 Value ($000) $38 Avg Close — Range —
Q2 2012
Shares 106 Value ($000) $40 Avg Close — Range —
Q1 2012
Shares 1,714 Value ($000) $640 Avg Close — Range —
Q4 2011
Shares 3,505 Value ($000) $1,321 Avg Close — Range —