| Date | Time | Source | Headline | Symbol | Company |
| 12/07/2009 | 6:00AM | PR Newswire (US) | National Beef Commences Initial Public Offering of Class A Common Stock | NYSE:NBP | National Beef |
| 05/17/2006 | 7:06PM | PR Newswire (US) | ONEOK Partners, L.P. Is New Name for Northern Border Partners; Partnership Also Announces Governance Changes | NYSE:NBP | National Beef |
| 05/15/2006 | 5:05PM | PR Newswire (US) | Kansas Gas Service Seeks Rate Change | NYSE:NBP | National Beef |
| 05/11/2006 | 11:03AM | PR Newswire (US) | ONEOK to Hold Its 2006 Annual Meeting of Shareholders | NYSE:NBP | National Beef |
| 05/03/2006 | 8:30AM | PR Newswire (US) | Williams and ONEOK Affiliate to Form Joint Venture for New NGL Pipeline | NYSE:NBP | National Beef |
| 05/03/2006 | 7:00AM | PR Newswire (US) | ONEOK Affiliate Announces Joint Venture With Williams to Build Rocky Mountain Natural Gas Liquids Pipeline | NYSE:NBP | National Beef |
| 05/02/2006 | 5:42PM | PR Newswire (US) | ONEOK Announces Higher First-Quarter 2006 Earnings | NYSE:NBP | National Beef |
| 05/02/2006 | 5:37PM | PR Newswire (US) | ONEOK Announces Higher First-Quarter 2006 Earnings | NYSE:NBP | National Beef |
| 05/02/2006 | 4:32PM | Business Wire | Northern Border Partners, L.P. Reports First Quarter 2006 Results and Reiterates 2006 Guidance | NYSE:NBP | National Beef |
| 05/02/2006 | 10:00AM | PR Newswire (US) | ONEOK's Texas Gas Service Unit Receives Approval to Increase Rates | NYSE:NBP | National Beef |
| 05/01/2006 | 5:05PM | PR Newswire (US) | ONEOK Selected By FirstEnergy to Provide Natural Gas Supply and Management Services | NYSE:NBP | National Beef |
| 05/01/2006 | 2:00PM | Business Wire | Northern Border Partners, L.P. Completes Purchase of Interests in Guardian Pipeline, L.L.C. | NYSE:NBP | National Beef |
| 04/28/2006 | 4:54PM | PR Newswire (US) | WPS Resources Completes Sale of Its Guardian Pipeline Interest | NYSE:NBP | National Beef |
| 04/24/2006 | 5:05PM | PR Newswire (US) | ONEOK and Northern Border Partners to Present at AGA Financial Forum | NYSE:NBP | National Beef |
| 04/20/2006 | 5:14PM | PR Newswire (US) | ONEOK Increases Quarterly Dividend By 7 Percent | NYSE:NBP | National Beef |
| 04/18/2006 | 4:49PM | Business Wire | Northern Border Partners, L.P. Announces a 10 Percent Increase in Its First Quarter 2006 Cash Distribution | NYSE:NBP | National Beef |
| 04/13/2006 | 5:05PM | PR Newswire (US) | ONEOK and Northern Border Partners First-Quarter 2006 Earnings Conference Call and Webcast Scheduled | NYSE:NBP | National Beef |
| 04/06/2006 | 6:30PM | PR Newswire (US) | ONEOK and Northern Border Partners Complete Transactions, Announce Management Changes | NYSE:NBP | National Beef |
| 03/30/2006 | 5:34PM | PR Newswire (US) | WPS Resources Corporation Sells Interest in Guardian Pipeline | NYSE:NBP | National Beef |
| 03/30/2006 | 3:20PM | Business Wire | Northern Border Partners, L.P. To Purchase Remaining Interests in Guardian Pipeline, L.L.C. | NYSE:NBP | National Beef |
| 03/24/2006 | 4:15PM | Business Wire | Northern Border Partners, L.P. Proceeds with Pipeline Extension | NYSE:NBP | National Beef |
| 03/15/2006 | 4:05PM | PR Newswire (US) | ONEOK to Present at Howard Weil Inc.'s 34th Annual Energy Conference | NYSE:NBP | National Beef |
| 03/08/2006 | 11:19AM | PR Newswire (US) | ONEOK Revises 2005 Results and 2006 Guidance | NYSE:NBP | National Beef |
| 03/07/2006 | 3:21PM | Business Wire | Northern Border Partners, L.P. to Speak at Conference | NYSE:NBP | National Beef |
| 02/28/2006 | 9:00AM | PR Newswire (US) | ONEOK Named to FORTUNE Magazine 'Most Admired List' | NYSE:NBP | National Beef |
| 02/22/2006 | 4:05PM | PR Newswire (US) | ONEOK Announces Higher 2005 Earnings | NYSE:NBP | National Beef |
| 02/16/2006 | 9:00AM | PR Newswire (US) | ONEOK Announces Settlement of Equity Units With Common Stock | NYSE:NBP | National Beef |
| 02/15/2006 | 7:15AM | Business Wire | Northern Border Partners, L.P. Reschedules Fourth Quarter and Full Year 2005 Earnings Conference Call | NYSE:NBP | National Beef |
| 02/15/2006 | 7:15AM | PR Newswire (US) | ONEOK and Northern Border Partners to Conduct Conference Call and Webcast | NYSE:NBP | National Beef |
| 02/15/2006 | 7:05AM | Business Wire | Northern Border Partners, L.P. Reports Fourth Quarter and Year End 2005 Results | NYSE:NBP | National Beef |