| Date | Event |
| 6-Nov-09 | WASHINGTON POST CO Files SEC form 10-Q, Quarterly Report |
| 2-Nov-09 | WASHINGTON POST CO Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and Exhibi |
| 22-Oct-09 | Ex-Date for dividend payment of $2.15 |
| 20-Aug-09 | WASHINGTON POST CO Files SEC form 8-K, Other Events |
| 4-Aug-09 | WASHINGTON POST CO Files SEC form 10-Q, Quarterly Report |
| 31-Jul-09 | WASHINGTON POST CO Files SEC form 8-K, Results of Operations and Financial Condition |
| 23-Jul-09 | Ex-Date for dividend payment of $2.15 |
| 6-May-09 | WASHINGTON POST CO Files SEC form 10-Q, Quarterly Report |
| 4-May-09 | WASHINGTON POST CO Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and Exhibi |
| 9-Mar-09 | Price hit new 52-week low ($300.16) |
| 6-Mar-09 | Price hit new 52-week low ($317.951) |
| 26-Feb-09 | WASHINGTON POST CO Files SEC form 10-K, Annual Report |
| 25-Feb-09 | WASHINGTON POST CO Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and Exhibi |
| 30-Jan-09 | WASHINGTON POST CO Files SEC form 8-K, Entry into a Material Definitive Agreement, Financial Statements and Exhibits |
| 28-Jan-09 | WASHINGTON POST CO Files SEC form 8-K, Other Events, Financial Statements and Exhibits |
| 23-Jan-09 | WASHINGTON POST CO Files SEC form 8-K, Other Events |
| 19-Nov-08 | WASHINGTON POST CO Files SEC form 8-K, Other Events, Financial Statements and Exhibits |
| 5-Nov-08 | WASHINGTON POST CO Files SEC form 10-Q, Quarterly Report |
| 31-Oct-08 | WASHINGTON POST CO Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and Exhibi |