Corporate Action

ABB Ltd
4 May 2001

SHARE SPLIT
SECURITY TITLE
*Ord Shs
MNEMONIC CODE           *ANN
SEDOL CODE              *5-661-190
TERMS                   *Each Ordinary Share of CHF10 will be split into 4      
                         Ordinary Shares of CHF2.50.
PROVISIONAL EFFECTIVE DATE *07-05-01
DEALINGS COMMENCE NEW SHARES *08-05-01
NOTES *