Exhibit 1 --------- STOCK OPTION AGREEMENT This Stock Option Agreement ("Agreement") is dated as of August 3, 1999, and is entered into between United Auto Group, Inc., a Delaware corporation (the "Company"), and Roger S. Penske ("Optionee"). W I T N...Stock Option Agreement • August 5th, 1999 • Penske Capital Partners LLC • Retail-auto dealers & gasoline stations • New York
