| 02/25/13
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2013 Earnings Guidance for ONEOK
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| 02/25/13
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ONEOK Fourth Quarter and Year End 2012 Earnings Results
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| 02/25/13
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ONEOK Partners Fourth Quarter and Year End 2012 Earnings Results
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| 10/30/12
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ONEOK Third Quarter 2012 Earnings Results
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| 10/30/12
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ONEOK Partners Third Quarter 2012 Earnings Results
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| 09/24/12
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2013 Earnings Guidance for ONEOK
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| 07/31/12
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ONEOK Second Quarter 2012 Earnings Results
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| 07/31/12
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ONEOK Partners Second Quarter 2012 Earnings Results
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| 05/01/12
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ONEOK First Quarter 2012 Earnings Results
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| 05/01/12
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ONEOK Partners First Quarter 2012 Earnings Results
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| 01/01/12
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2011 Annual Report
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