Exhibit 24.1
International Business Machines Corporation
New Orchard Road
Armonk, NY 10504May 31, 2013
U.S. Securities and Exchange Commission
450 Fifth Street, NW
Washington, DC 20549
The following individuals, whose signatures appear below, and the successors
to their positions are hereby authorized to sign and file on my behalf all
forms required by the U.S. securities laws, including without limitation
Form 3, Form 4, Form 5 and Form 144. The specimen signatures provided below
may be signed on separate documents, and such documents taken together
shall constitute a single document.
E. Barth ______________/s/________________
M. Browdy _____________/s/_________________
D. Cummins ____________/s/__________________
A. Kuehnel ___________/s/___________________
M. SooHoo __________/s/____________________
These individuals may further delegate this authority and this authorization
shall remain in effect for as long as I remain an executive officer of IBM.Very truly yours,
/s/
Diane J. Gherson
cc: New York Stock Exchange