SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) April 1, 2003 -------------- YELLOW CORPORATION - -------------------------------------------------------------------------------- (Exact name of registrant as specified in its charter) Delaware 0-12255 48-0948788 - -------------------------------------------------------------------------------- (State or other jurisdiction (Commission (IRS Employer of incorporation) File Number) Identification No.) 10990 Roe Avenue, P. O. Box 7563, Overland Park, Kansas 66207 - -------------------------------------------------------------------------------- (Address of principal executive offices) (Zip Code) Registrant's telephone number, including area code (913) 696-6100 ------------------- No Changes. - -------------------------------------------------------------------------------- (Former name or former address, if changed since last report.)

Item 5. Other Events On March 28, 2003, the International Brotherhood of Teamsters announced the ratification of the National Master Freight Agreement by its membership. The 5-year agreement is effective on April 1, 2003, and covers approximately 80 percent of Yellow Transportation employees. Yellow Transportation is the largest subsidiary of Yellow Corporation (NASDAQ: YELL). SIGNATURE Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. YELLOW CORPORATION ---------------------------------- (Registrant) Date: April 1, 2003 /s/ Donald G. Barger, Jr. ---------------------- ---------------------------------------- Donald G. Barger, Jr. Senior Vice President & Chief Financial Officer