| Date | Event |
| 20-Nov-09 | DONALDSON CO INC Files SEC form 8-K, Regulation FD Disclosure, Financial Statements and Exhibits |
| 19-Nov-09 | DONALDSON CO INC Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and Exhibits |
| 19-Nov-09 | Price hit new 52-week high ($45.19) |
| 18-Nov-09 | Price hit new 52-week high ($41.84) |
| 17-Nov-09 | Coverage initiated on Donaldson by Jefferies & Co |
| 17-Nov-09 | Price hit new 52-week high ($41.38) |
| 25-Sep-09 | DONALDSON CO INC Files SEC form 10-K, Annual Report |
| 2-Sep-09 | DONALDSON CO INC Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and Exhibits |
| 26-Aug-09 | Ex-Date for dividend payment of $0.115 |
| 31-Jul-09 | DONALDSON CO INC Files SEC form 8-K, Regulation FD Disclosure, Financial Statements and Exhibits |
| 2-Jun-09 | DONALDSON CO INC Files SEC form 10-Q, Quarterly Report |
| 27-May-09 | DONALDSON CO INC Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and Exhibits |
| 19-May-09 | DONALDSON CO INC Files SEC form 8-K, Regulation FD Disclosure, Financial Statements and Exhibits |
| 9-Mar-09 | Price hit new 52-week low ($21.82) |
| 6-Mar-09 | Price hit new 52-week low ($22.08) |
| 5-Mar-09 | Price hit new 52-week low ($22.75) |
| 3-Mar-09 | DONALDSON CO INC Files SEC form 10-Q, Quarterly Report |
| 26-Feb-09 | DONALDSON CO INC Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and Exhibits |
| 4-Feb-09 | DONALDSON CO INC Files SEC form 8-K, Amendments to Articles of Inc. or Bylaws; Change in Fiscal Year, Financial State |
| 30-Jan-09 | DONALDSON CO INC Files SEC form 8-K, Regulation FD Disclosure, Financial Statements and Exhibits |
| 4-Dec-08 | DONALDSON CO INC Files SEC form 10-Q, Quarterly Report |
| 24-Nov-08 | DONALDSON CO INC Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and Exhibits |
| 21-Nov-08 | DONALDSON CO INC Files SEC form 8-K, Regulation FD Disclosure, Financial Statements and Exhibits |