| Date | Event |
| 24-Dec-09 | Price hit new 52-week high ($63.10) |
| 23-Dec-09 | Price hit new 52-week high ($62.99) |
| 21-Dec-09 | ONEOK PARTNERS LP Files SEC form 8-K, Change in Directors or Principal Officers, Financial Statements and Exhibits |
| 16-Dec-09 | Price hit new 52-week high ($62.57) |
| 3-Dec-09 | ONEOK PARTNERS LP Files SEC form 8-K, Regulation FD Disclosure, Financial Statements and Exhibits |
| 5-Nov-09 | ONEOK PARTNERS LP Files SEC form 10-Q, Quarterly Report |
| 4-Nov-09 | ONEOK Inc. and ONEOK Partners Earnings Call scheduled for 11:00 am ET today |
| 3-Nov-09 | ONEOK PARTNERS LP Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and Exhibit |
| 28-Oct-09 | Ex-Date for dividend payment of $1.09 |
| 13-Oct-09 | ONEOK PARTNERS LP Files SEC form 8-K, Other Events, Financial Statements and Exhibits |
| 1-Oct-09 | ONEOK PARTNERS LP Files SEC form 8-K, Regulation FD Disclosure, Financial Statements and Exhibits |
| 15-Sep-09 | ONEOK PARTNERS LP Files SEC form 8-K, Other Events, Financial Statements and Exhibits |
| 10-Sep-09 | ONEOK PARTNERS LP Files SEC form 8-K, Regulation FD Disclosure, Financial Statements and Exhibits |
| 8-Sep-09 | ONEOK PARTNERS LP Files SEC form 8-K, Regulation FD Disclosure, Financial Statements and Exhibits |
| 2-Sep-09 | ONEOK PARTNERS LP Files SEC form 8-K, Regulation FD Disclosure |
| 6-Aug-09 | ONEOK PARTNERS LP Files SEC form 8-K, Change in Directors or Principal Officers |
| 6-Aug-09 | ONEOK PARTNERS LP Files SEC form 10-Q, Quarterly Report |
| 5-Aug-09 | ONEOK Inc. Earnings Call scheduled for 11:00 am ET today |
| 4-Aug-09 | ONEOK PARTNERS LP Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and Exhibit |
| 29-Jul-09 | Ex-Date for dividend payment of $1.08 |
| 17-Jul-09 | ONEOK PARTNERS LP Files SEC form 8-K, Change in Directors or Principal Officers, Financial Statements and Exhibits |
| 15-Jul-09 | ONEOK PARTNERS LP Files SEC form 8-K, Other Events, Financial Statements and Exhibits |
| 8-Jul-09 | ONEOK PARTNERS LP Files SEC form 8-K, Regulation FD Disclosure, Financial Statements and Exhibits |
| 22-Jun-09 | ONEOK PARTNERS LP Files SEC form 8-K, Entry into a Material Definitive Agreement, Regulation FD Disclosure, Financial |
| 2-Jun-09 | ONEOK PARTNERS LP Files SEC form 8-K, Regulation FD Disclosure, Financial Statements and Exhibits |
| 30-Apr-09 | ONEOK PARTNERS LP Files SEC form 10-Q, Quarterly Report |
| 29-Apr-09 | ONEOK PARTNERS LP Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and Exhibit |
| 16-Apr-09 | ONEOK PARTNERS LP Files SEC form 8-K, Other Events, Financial Statements and Exhibits |
| 13-Apr-09 | ONEOK PARTNERS LP Files SEC form 8-K, Regulation FD Disclosure, Financial Statements and Exhibits |
| 8-Apr-09 | ONEOK PARTNERS LP Files SEC form 8-K, Regulation FD Disclosure, Financial Statements and Exhibits |
| 9-Mar-09 | Price hit new 52-week low ($33.90) |
| 3-Mar-09 | ONEOK PARTNERS LP Files SEC form 8-K, Entry into a Material Definitive Agreement, Creation of a Direct Financial Obli |
| 25-Feb-09 | ONEOK PARTNERS LP Files SEC form 10-K, Annual Report |
| 24-Feb-09 | ONEOK PARTNERS LP Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and Exhibit |
| 9-Feb-09 | ONEOK PARTNERS LP Files SEC form 8-K, Regulation FD Disclosure, Financial Statements and Exhibits |
| 29-Jan-09 | ONEOK PARTNERS LP Files SEC form 8-K, Regulation FD Disclosure, Financial Statements and Exhibits |
| 15-Jan-09 | ONEOK PARTNERS LP Files SEC form 8-K, Other Events, Financial Statements and Exhibits |
| 5-Dec-08 | ONEOK PARTNERS LP Files SEC form 8-K, Regulation FD Disclosure, Financial Statements and Exhibits |