Stock Trading History of Horn Paul M

The following table details the trading activities (stock purchases, stock sales, and stock option exercises) reported to the Securities and Exchange Commission (SEC) by insider Horn Paul M since year 2005. The trader's CIK number is 1180448. At the time of this reporting, Horn Paul M is the Senior Vice President of International Business Machines Corp (stock ticker symbol IBM).

Stock purchases, sales, and option exercises reported by *Horn Paul M* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2007-08-03	IBM	International Business Machines Corp	Sale	12,089	113.81	1,375,903
2007-06-17	IBM	International Business Machines Corp	Option Exercise	14,151	.00	0
2007-05-08	IBM	International Business Machines Corp	Option Exercise	2,250	.00	0
2007-04-26	IBM	International Business Machines Corp	Sale	16,246	100.89	1,639,112
2007-04-26	IBM	International Business Machines Corp	Option Exercise	16,246	51.16	831,064
2007-02-01	IBM	International Business Machines Corp	Option Exercise	26,954	51.16	1,378,831
2007-02-01	IBM	International Business Machines Corp	Sale	25,000	98.34	2,458,425
2006-10-23	IBM	International Business Machines Corp	Option Exercise	19,000	36.06	685,187
2006-10-23	IBM	International Business Machines Corp	Sale	19,000	91.45	1,737,460
2006-07-25	IBM	International Business Machines Corp	Sale	6,459	75.75	489,247
2006-02-25	IBM	International Business Machines Corp	Option Exercise	11,494	.00	0
2006-02-16	IBM	International Business Machines Corp	Sale	3,615	80.60	291,369
2006-02-01	IBM	International Business Machines Corp	Option Exercise	1,080	.00	0
2006-01-27	IBM	International Business Machines Corp	Option Exercise	19,228	36.06	693,419
2006-01-27	IBM	International Business Machines Corp	Sale	19,228	81.11	1,559,525

Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Horn Paul M (Senior Vice President of International Business Machines Corp at the time of this reporting) see the Securities and Exchange Commission (SEC) website.