UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 -------------------------------------- FORM 8-K Current Report Pursuant to Section 13 or 15(d) of the THE SECURITIES EXCHANGE ACT OF 1934 Date of Report: April 23, 2004 BUTLER MANUFACTURING COMPANY Butler Manufacturing Company 1540 Genessee Street P.O. Box 419917 Kansas City, Missouri 64102 Phone (816) 968-3000 Incorporated in the State of Delaware Commission File No. 001-12335 I.R.S. Employer Identification Number: 44-0188420 ITEM 5. OTHER EVENTS On April 23, 2004, Butler Manufacturing Company issued a press release announcing that it delivered a letter to Mr. Michael E. Heisley, Sr., Chief Executive Officer of Robertson-Ceco Corporation. The press release which includes the text of the letter to Mr. Heisley is attached hereto as Exhibit 99.1. ITEM 7. EXHIBITS 99.1 Press Release from Butler Manufacturing Company dated April 23, 2004. SIGNATURES Pursuant to the requirement of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized. BUTLER MANUFACTURING COMPANY April 23, 2004 /s/ Larry C. Miller ------------------------------ ------------------------------- Date Larry C. Miller Vice President - Finance, and Chief Financial Officer April 23, 2004 /s/ John W. Huey ------------------------------ ------------------------------- Date John W. Huey Vice President, General Counsel and Secretary EXHIBIT INDEX 99.1 Press Release from Butler Manufacturing Company dated April 23, 2004.