EX-1
from SC 13G
1 page
<page> 1 Exhibit 1 Joint Filing Agreement Pursuant to Rule 13d-1(f)(1) of the Securities Exchange Act of 1934, Each of the Parties to This Joint Filing Agreement (The "Agreement") Agrees That the Statement on Schedule 13g With Respect to the Common Stock Issued by United Auto Group, Inc., to Which This Agreement Is Attached as an Exhibit, Is Filed on Behalf of Each Such Party and That Any Amendments to the Attached Schedule 13g Will Likewise Be Filed on Behalf of Each Such Party. Aon Corporation Date: February 1, 2000 By: /S/ Michael A. Conway Name: Michael A. Conway Title: Senior Vice President Aon Advisors, Inc. Date: February 1, 2000 By: /S/ Michael A. Conway Name: Michael A. Conway Title: President Virginia Surety Company, Inc. Date: February 1, 2000 By: /S/ Michael A. Conway Name: Michael A. Conway Title: Senior Vice President London General Insurance Company Date: February 1, 2000 By: /S/ Michael A. Conway Name: Michael A. Conway Title: Agent Combined Insurance Company of America Date: February 1, 2000 By: /S/ Michael A. Conway Name: Michael A. Conway Title: Senior Vice President 10
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