Extension of Waiver and Acknowledgement of No Material Event

Exhibit 4.1

Extension of Waiver and Acknowledgement of No Material Event

June 9, 2005

Ferrellgas Partners, L.P.

Ferrellgas, L.P.

Ferrellgas, Inc.

7500 College Boulevard, Suite 1000

Overland Park, KS 66210

Ladies and Gentlemen:

On November 20, 2003, you and JEF Capital Management, Inc. (“JEF”) executed a letter regarding a waiver and acknowledgement of no material event (the “Letter”). In the Letter, JEF waived through March 31, 2004, certain provisions of the Fourth Amended and Restated Agreement of Limited Partnership of Ferrellgas Partners, L.P. dated as of February 18, 2003 and other agreements and Ferrellgas Partners, L.P. agreed not to exercise certain redemption rights thereunder before March 31, 2004. Subsequently on February 25, 2004, the parties extended the provi