* FRONT COVER * FORWARD-LOOKING STATEMENTS * LETTER FROM PRESIDENT AND CHIEF       EXECUTIVE OFFICER * FORM 10-K   + TABLE OF CONTENTS   + PART I     - Item 1. Business     - Item 1A. Risk Factors     - Item 1B. Unresolved Staff Comments     - Item 2. Properties     - Item 3. Legal Proceedings     - Item 4. Mine Safety Disclosures   + PART II     - Item 5. Market for Registrant’s Common Equity,           Related Stockholder Matters and Issuer Purchases of           Equity Securities     - Item 6. Selected Financial Data     - Item 7. Management’s Discussion and Analysis of           Financial Condition and Results of Operations     - Item 7A. Quantitative and Qualitative Disclosures About           Market Risk     - Item 8. Financial Statements and Supplementary Data       + Management’s Annual Report on Internal Control             Over Financial Reporting       + Report of Independent Registered Public Accounting Firm       + Consolidated Statements of Income       + Consolidated Statements of Comprehensive Income       + Consolidated Balance Sheets       + Consolidated Statements of Cash Flows       + Consolidated Statement of Partners’ Capital       + Notes to Consolidated Financial Statements         + 1. Organization and Description of Business         + 2. Summary of Significant Accounting Policies         + 3. Consolidated Statements of Cash Flows         + 4. Investments in Non-Controlled Entities         + 5. Business Combinations         + 6. Inventory         + 7. Product Sales Revenue         + 8. Property, Plant and Equipment and Other Intangibles         + 9. Major Customers and Concentration of Risks         + 10. Employee Benefit Plans         + 11. Related Party Transactions         + 12. Debt         + 13. Derivative Financial Instruments         + 14. Leases         + 15. Long-Term Incentive Plan         + 16. Segment Disclosures         + 17. Commitments and Contingencies         + 18. Quarterly Financial Data (unaudited)         + 19. Fair Value Disclosures         + 20. Distributions         + 21. Partners’ Capital         + 22. Subsequent Events     - Item 9. Changes in and Disagreements With Accountants on           Accounting and Financial Disclosure     - Item 9A. Controls and Procedures     - Item 9B. Other Information   + PART III     - Item 10. Directors, Executive Officers and           Corporate Governance     - Item 11. Executive Compensation     - Item 12. Security Ownership of Certain Beneficial Owners and           Management and Related Stockholder Matters     - Item 13. Certain Relationships and Related Transactions, and           Director Independence     - Item 14. Principal Accountant Fees and Services   + PART IV     - Item 15. Exhibits and Financial Statement Schedules * SIGNATURES * CORPORATE INFORMATION * BACK COVER