IBM Board Approves 25 Percent Increase in Quart...

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Regulatory News:

The IBM (NYSE: IBM) board of directors today declared a regular quarterly cash
dividend of $0.50 per common share, payable June 10, 2008, to stockholders of
record May 9, 2008.

Today's dividend declaration represents an increase of $0.10, or 25 percent
higher than the prior quarterly dividend of $0.40 per common share.

IBM has increased its quarterly dividend by 150 percent since 2006. This is the
13th year in a row that IBM has increased its quarterly cash dividend.

With the payment of the June 10 dividend, IBM will have paid 370 consecutive
quarterly dividends, starting in 1916.

Contact: IBM
Edward Barbini, 914-499-6565
[e-mail]