Director/PDMR Shareholding

ABB Ltd
02 May 2007


ABB Ltd


May 2, 2007


Directors' dealings


In accordance with certain rules on insider dealing and market manipulation
(market abuse) ABB is required to disclose transactions in ABB shares,
derivatives or other financial instruments linked to them, conducted by or on
behalf of persons discharging managerial responsibilities or persons closely
associated with them.

Notification by:                                 Position/Title:
Jurgen Dormann                                   Chairman of the Board of
                                                 Directors
Transaction date:                                30-Apr-2007
Purchase/Sale:                                   Sale
Issuer:                                          UBS AG
Address:
ISIN (International Security Identification      CH0017235828
Number):
Security:                                        Warrant
Place:                                           SWX
Nominal value:                                   n/a
Number:                                          100,000
Price per warrant:                               CHF 3.48
Volume:                                          CHF 348,000



Notification by:                              Position/Title:
Bernhard Jucker                               Member of the Group Executive
                                              Committee
Deal on own behalf
Transaction date:                             30-Apr-2007
Purchase/Sale:                                Sale
Issuer:                                       ABB Ltd
Address:                                      Affolternstrasse 44, CH-8050
                                              Zurich
ISIN (International Security Identification   n/a
Number):
Security:                                     Warrant application right (WAR)
Place:                                        n/a
Nominal value:                                n/a
Number:                                       375,000
Price per WAR:                                CHF 3.50
Volume:                                       CHF 1,312,500

Notification by:                                 Position/Title:
Jurgen Dormann                                   Chairman of the Board of
                                                 Directors
Transaction date:                                30-Apr-2007
Purchase/Sale:                                   Sale
Issuer:                                          UBS AG
Address:
ISIN (International Security Identification      CH0017235828
Number):
Security:                                        Warrant
Place:                                           SWX
Nominal value:                                   n/a
Number:                                          900,000
Price per warrant:                               CHF 3.47
Volume:                                          CHF 3,123,000




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