Finalizes New Ammonia Transportation Agreements  

TULSA, Okla. – Magellan Midstream Partners, L.P. (NYSE: MMP) plans to announce its financial results for second-quarter 2005 before the market opens on Wed., July 27. Partnership management will discuss earnings at 1:30 p.m. Eastern the same day during a conference call with analysts.

To participate in the conference call, dial (800) 289-0496 and provide code 7826471. Investors also may listen to the call via the partnership's web site at http://www.magellanlp.com/webcasts.aspx.

Audio replays of the conference call will be available from 3:30 p.m. Eastern on July 27 through midnight on August 2. To access the replay, dial (888) 203-1112 and provide code 7826471. The replay also will be available at http://www.magellanlp.com.

Ammonia Transportation Agreements  

The partnership further announced that it has finalized new transportation agreements with its existing ammonia pipeline system customers. The new agreements are effective July 1, 2005 and extend through June 30, 2008.

About Magellan Midstream Partners, L.P.  

Magellan Midstream Partners, L.P. is a publicly traded partnership formed to own, operate and acquire a diversified portfolio of energy assets. The partnership primarily transports, stores and distributes refined petroleum products. More information is available at http://www.magellanlp.com.

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Portions of this document may constitute forward-looking statements as defined by federal law. Although the partnership believes any such statements are based on reasonable assumptions, there is no assurance that actual outcomes will not be materially different. Additional information about issues that could lead to material changes in performance is contained in the partnership's filings with the Securities and Exchange Commission.