| Date | Event |
| 12-Nov-09 | Ex-Date for dividend payment of $0.138 |
| 19-Oct-09 | Price hit new 52-week high ($40.69) |
| 16-Oct-09 | Walgreens upgraded by UBS |
| 8-Oct-09 | WALGREEN CO Files SEC form 8-K, Change in Directors or Principal Officers |
| 8-Oct-09 | Price hit new 52-week high ($39.67) |
| 7-Oct-09 | Price hit new 52-week high ($39.30) |
| 29-Sep-09 | WALGREEN CO Files SEC form 8-K, Results of Operations and Financial Condition, Regulation FD Disclosure |
| 19-Aug-09 | Ex-Date for dividend payment of $0.138 |
| 14-Jul-09 | WALGREEN CO Files SEC form 8-K, Change in Directors or Principal Officers |
| 30-Jun-09 | WALGREEN CO Files SEC form 10-Q, Quarterly Report |
| 22-Jun-09 | WALGREEN CO Files SEC form 8-K, Results of Operations and Financial Condition, Regulation FD Disclosure |
| 9-Apr-09 | WALGREEN CO Files SEC form 8-K/A, Change in Directors or Principal Officers |
| 6-Apr-09 | WALGREEN CO Files SEC form 8-K/A, Change in Directors or Principal Officers |
| 27-Mar-09 | WALGREEN CO Files SEC form 10-Q, Quarterly Report |
| 23-Mar-09 | WALGREEN CO Files SEC form 8-K, Results of Operations and Financial Condition, Regulation FD Disclosure |
| 18-Mar-09 | WALGREEN CO Files SEC form 8-K, Change in Directors or Principal Officers, Financial Statements and Exhibits |
| 27-Feb-09 | WALGREEN CO Files SEC form 8-K, Change in Directors or Principal Officers |
| 5-Feb-09 | WALGREEN CO Files SEC form 8-K, Change in Directors or Principal Officers |
| 4-Feb-09 | WALGREEN CO Files SEC form 8-K/A, Change in Directors or Principal Officers |
| 27-Jan-09 | WALGREEN CO Files SEC form 8-K, Change in Directors or Principal Officers |
| 6-Jan-09 | WALGREEN CO Files SEC form 10-Q, Quarterly Report |
| 22-Dec-08 | WALGREEN CO Files SEC form 8-K, Results of Operations and Financial Condition, Regulation FD Disclosure |
| 30-Oct-08 | WALGREEN CO Files SEC form 10-K, Annual Report |
| 30-Apr-08 | Completed merger (WALGREEN CO, DMX) |