Doc re DEF 14A

Company    INTERNATIONAL BUSINESS MACHINES CORPORATION 

TIDM       IBM 

Headline   Notification of filing of document 

The Corporation filed definitive additional materials on Form DEFA14A
dated March 15, 2013 in connection with the IBM Notice of 2013 Annual
Meeting and Proxy Statement  with the United States Securities Exchange 
Commission, and in Luxembourg with the Luxembourg Stock Exchange as the 
officially appointed mechanism for the central storage of regulated 
information and with the CSSF.  The report is available at www.sec.gov 
and www.bourse.lu.