from SC 13D
1 page
Exhibit 1 to Schedule 13d for Decisionone Holdings Corp. Agreement Agreement Made This 21st Day of August, 1997, by and Between Each of the Undersigned. Whereas, Each of the Undersigned Is Required to File a Schedule 13d With Respect to Ownership of Securities in Decisionone Holdings Corp.; and Whereas, Each of the Undersigned Is Individually Eligible to Use This Schedule 13d; Now, Therefore, the Undersigned Agree to File Only One Schedule 13d Reflecting Their Combined Beneficial Ownership of Securities in Decisionone Holdings Corp. Thomas H. Lee Equity Fund III, L.P. By: Thl Equity Advisors III Limited Partnership, Its General Partner By: Thl Equity Trust III, Its General Partner By: /S/ Scott A. Schoen Name: Scott A. Schoen Title: Vice President Thomas H. Lee Foreign Fund III, L.P. By: Thl Equity Advisors III Limited Partnership, Its General Partner By: Thl Equity Trust III, Its General Partner By: /S/ Scott A. Schoen Name: Scott A. Schoen Title: Vice President <page> Thomas H. Lee Equity Advisors III Limited Partnership By: Thl Equity Trust III, Its General Partner By: /S/ Scott A. Schoen Name: Scott A. Schoen Title: Vice President Thl Equity Trust III By: /S/ Scott A. Schoen Name: Scott A. Schoen Title: Vice President Thl Co-Investors III-A, LLC By: /S/ Scott A. Schoen Thl Co-Investors III-B, LLC By: /S/ Scott A. Schoen
