Stock Trading History of Clark Patrick 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 Clark Patrick M since year 2005. The trader's CIK number is 1190778. At the time of this reporting, Clark Patrick M is the Vice President and Controller of Praxair Inc (stock ticker symbol PX).

Stock purchases, sales, and option exercises reported by *Clark Patrick M* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2007-07-30	PX	Praxair Inc	Option Exercise	12,200	31.50	384,330
2007-07-30	PX	Praxair Inc	Sale	12,200	77.14	941,108
2007-01-17	PX	Praxair Inc	Option Exercise	785	.00	0
2006-02-27	PX	Praxair Inc	Sale	15,000	55.10	826,534
2006-02-27	PX	Praxair Inc	Option Exercise	15,000	29.46	441,900
2006-01-05	PX	Praxair Inc	Option Exercise	957	.00	0
2006-01-05	PX	Praxair Inc	Option Exercise	957	.00	0

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 Clark Patrick M (Vice President and Controller of Praxair Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.