ONEOK Partners, L.P. takes a proactive stance on compliance with all applicable laws, rules, and regulations. It seeks to foster an environment that exceeds the minimum requirements of the law. As a result, ONEOK Partners views seriously compliance with its Governance Guidelines, Code of Conduct, Accounting and Financial Reporting Code of Ethics, Partnership Agreement, and Audit Committee Charter.

• Code of Conduct (Amended and Restated December 9, 2008)
• Partnership Agreement
• Governance Guidelines (Amended and Restated December 9, 2008)
• Audit Committee Charter (Amended and Restated December 9, 2008)
• Process for Communicating with Directors