1 EXHIBIT 21.1 SUBSIDIARIES OF PENNZOIL PRODUCTS COMPANY (AS OF AUGUST 11, 1998) Atlas Processing Company (Delaware)......................... 100% Excel Paralubes (Texas General Partnership)............... 50% Pennzoil Deutschland GmbH Mineralolvertrieb (Germany)....... 100% Pennzoil Products Australia Company (Nevada)................ 100% Pennzoil Products Canada Company (Nova Scotia).............. 100% Pennzoil Products Europe GmbH (Germany)..................... 99% Pennzoil Products Mediterraneo, S.L. (Spain)................ 100% Pennzoil Wax Partner Company (Nevada)....................... 100% Bareco Asia Pacific Pte. Ltd. (Singapore)................. 50% Bareco Products (South Carolina General Partnership)...... 50% Bareco International Sales Corporation (U.S. Virgin Islands).............................................. 100% UMW Pennzoil Distributors SDN. BHD. (Malaysia).............. 50%