FORM 10-K/A

Registrant's telephone number, including area code: (312) 222-9100

Securities registered pursuant to Section 12(b) of the Act:

     Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports) and (2) has been subject to such filing requirements for the past 90 days. Yes  X . No __.

     Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K is not contained herein, and will not be contained, to the best of registrant's knowledge, in definitive proxy or information statements incorporated by reference in Part III of this Form 10-K or any amendment to this Form 10-K. [X]

     Aggregate market value of the Company's voting and non-voting common equity held by non-affiliates on June 12, 2000, based upon the closing price of the Company's Common Stock as reported on the New York Stock Exchange Composite Transactions list for such date: approximately $6,365,000,000.

     At June 12, 2000 there were 226,853,955 shares of the Company's Common Stock outstanding.

     The following documents are incorporated by reference, in part:

          1999 Annual Report to Shareholders (Parts I and II, to the extent described therein).

          Definitive Proxy Statement for the May 2, 2000 Annual Meeting of Shareholders (Part III, to the extent
                 described therein).