THE CORPORATE LIBRARY

Related Party Transactions and Outside Related Director Information

PPG Industries, Inc. (PPG)

3/2/2006 Proxy Information

PPG and its subsidiaries purchase products and services from and/or sell products and services to companies of which certain of the Directors of PPG are executive officers. PPG does not consider the amounts involved in such transactions material. Such purchases from and sales to each company involved less than 1% of the consolidated gross revenues for 2005 of each of the purchaser and the seller and all of such transactions were in the ordinary course of business. Some of such transactions are continuing, and it is anticipated that similar transactions will recur from time to time.

3/4/2005 Proxy Information

PPG and its subsidiaries purchase products and services from and/or sell products and services to companies of which certain of the Directors of PPG are executive officers. PPG does not consider the amounts involved in such transactions material. Such purchases from and sales to each company involved less than 1% of the consolidated gross revenues for 2004 of the purchaser and seller and all of such transactions were in the ordinary course of business. Some of such transactions are continuing, and it is anticipated that similar transactions will recur from time to time.

3/4/2004 Proxy Information

PPG and its subsidiaries purchase products and services from and/or sell products and services to companies of which certain of the Directors of PPG are executive officers. PPG does not consider the amounts involved in such transactions material. Such purchases from and sales to each company involved less than 1% of the consolidated gross revenues for 2003 of the purchaser and seller and all of such transactions were in the ordinary course of business. Some of such transactions are continuing, and it is anticipated that similar transactions will recur from time to time.