AGREEMENT FOR TRANSFER AND ASSUMPTION OF SPONSORSHIP OF EMPLOYEE BENEFIT PLANS OF MAGELLAN MIDSTREAM HOLDINGS, L.P

Exhibit 10.9

AGREEMENT FOR TRANSFER AND ASSUMPTION

OF SPONSORSHIP OF EMPLOYEE BENEFIT PLANS OF

MAGELLAN MIDSTREAM HOLDINGS, L.P.

This AGREEMENT FOR TRANSFER AND ASSUMPTION OF SPONSORSHIP OF EMPLOYEE BENEFIT PLANS OF MAGELLAN MIDSTREAM HOLDINGS, L.P. is entered into by the parties who are the signatories hereto. It shall be effective as of the date set forth herein.

I. Explanatory Provisions .

1.1 Magellan Midstream Holdings, L.P. (“Magellan Holdings”), a limited partnership, has become a subsidiary of MGG Midstream Holdings, L.P., a limited partnership.

1.2 Magellan Midstream Holdings GP, LLC (“MMH”) is the general partner of Magellan Holdings.

1.3 Effective as of December 24, 2005 (the “Effective Date”), the employees of Magellan Holdings will become employees of MMH.

1.4 Magellan Holdings is the sponsor of the following employee benefit plans (the “Transferred Plans”):

1.5 Magellan Holdings and MMH have determined that it is advisable for Magellan Holdings to transfer its rights and obligations as the sponsor and plan