| Date | Event |
| 15-Dec-09 | Price hit new 52-week high ($22.99) |
| 14-Dec-09 | Price hit new 52-week high ($22.82) |
| 8-Dec-09 | DUNCAN ENERGY PARTNERS L.P. Files SEC form 8-K, Change in Directors or Principal Officers |
| 1-Dec-09 | Price hit new 52-week high ($22.63) |
| 16-Nov-09 | DUNCAN ENERGY PARTNERS L.P. Files SEC form 8-K, Other Events, Financial Statements and Exhibits |
| 9-Nov-09 | DUNCAN ENERGY PARTNERS L.P. Files SEC form 10-Q, Quarterly Report |
| 28-Oct-09 | Enterprise Products Partners L.P. and Duncan Energy Partners L.P. Earnings Call scheduled for 10:00 am ET today |
| 28-Oct-09 | DUNCAN ENERGY PARTNERS L.P. Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements a |
| 28-Oct-09 | Ex-Date for dividend payment of $0.44 |
| 30-Sep-09 | Coverage initiated on Duncan Energy by Stifel Nicolaus |
| 28-Aug-09 | DUNCAN ENERGY PARTNERS L.P. Files SEC form 8-K, Other Events, Financial Statements and Exhibits |
| 10-Aug-09 | DUNCAN ENERGY PARTNERS L.P. Files SEC form 8-K, Other Events, Financial Statements and Exhibits |
| 10-Aug-09 | DUNCAN ENERGY PARTNERS L.P. Files SEC form 10-Q, Quarterly Report |
| 29-Jul-09 | Ex-Date for dividend payment of $0.435 |
| 27-Jul-09 | DUNCAN ENERGY PARTNERS L.P. Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements a |
| 18-Jun-09 | DUNCAN ENERGY PARTNERS L.P. Files SEC form 8-K, Entry into a Material Definitive Agreement |
| 15-Jun-09 | DUNCAN ENERGY PARTNERS L.P. Files SEC form 8-K, Amendments to Articles of Inc. or Bylaws; Change in Fiscal Year, Fina |
| 11-May-09 | DUNCAN ENERGY PARTNERS L.P. Files SEC form 8-K, Other Events, Financial Statements and Exhibits |
| 11-May-09 | DUNCAN ENERGY PARTNERS L.P. Files SEC form 10-Q, Quarterly Report |
| 27-Apr-09 | DUNCAN ENERGY PARTNERS L.P. Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements a |
| 12-Mar-09 | DUNCAN ENERGY PARTNERS L.P. Files SEC form 8-K, Other Events, Financial Statements and Exhibits |
| 2-Mar-09 | DUNCAN ENERGY PARTNERS L.P. Files SEC form 10-K, Annual Report |
| 5-Feb-09 | DUNCAN ENERGY PARTNERS L.P. Files SEC form 8-K, Entry into a Material Definitive Agreement, Financial Statements and |
| 2-Feb-09 | DUNCAN ENERGY PARTNERS L.P. Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements a |
| 8-Dec-08 | DUNCAN ENERGY PARTNERS L.P. Files SEC form 8-K, Entry into a Material Definitive Agreement, Completion of Acquisition |
| 19-Nov-08 | DUNCAN ENERGY PARTNERS L.P. Files SEC form 8-K, Change in Directors or Principal Officers, Financial Statements and E |