IBM #1 in Worldwide Server Revenue

Analyst Firm Reports IBM Leads in Overall Server Share and Blade Server Revenue for 3Q05(1)

ARMONK, NY -- Nov 23, 2005 -- IDC reported today that in the third quarter 2005, IBM is first in worldwide server revenue share for the tenth consecutive quarter and first in blade server revenue share for the ninth consecutive.

According to IDC, IBM led third quarter 2005 blade server revenue with 42 percent of the revenue share. IBM UNIX-based server revenue growth was up more than 11% year-to-year while competitors Sun and HP declined.

Highlights from the IDC 3Q05 report include:

* IBM is number one in worldwide server revenue share with 32.3 percent revenue share, up 10 percent in revenue year-to-year (YTY).
* IBM continued to lead in worldwide blade server revenue and revenue share for the ninth consecutive quarter ending 3Q05, with 42 percent revenue share and total revenue up 87 percent YTY.
* IBM led global UNIX-based server revenue growth of the major vendors, up 11.1 percent YTY, grew revenue YTY for the fifth consecutive quarter.

About IBM
IBM is the leading server vendor in the world. For more information about IBM, visit www.ibm.com.
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(1) Based on IDC Worldwide Quarterly Server Tracker, 3Q05, issued on November 23, 2005

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John Crowe

IBM Media Relations

IBM

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