EX-99 4 ex1sc13da2_cleanharbors.txt EXHIBIT 1 EXHIBIT 1 JOINT FILING AGREEMENT In accordance with Rule 13d-1(k)(1)(iii) under the Securities Exchange Act of 1934, as amended, the persons named below agree to the joint filing on behalf of each of them an amendment to the Joint Statement on Schedule 13D, dated the date hereof. This Joint Filing Agreement shall be included as an Exhibit to such joint filing. In evidence thereof, each of the undersigned, being duly authorized, hereby executed this Agreement this 23rd day of December, 2003. OAK HILL SECURITIES FUND, L.P. By: Oak Hill Securities GenPar, L.P., its general partner By: Oak Hill Securities MGP, Inc., its general partner By: /s/ William H. Bohnsack, Jr. --------------------------------------- Name: William H. Bohnsack, Jr. Title: Vice President OAK HILL SECURITIES FUND LIQUIDATING TRUST By: Oak Hill Securities GenPar, L.P., as Administrative Trustee By: Oak Hill Securities MGP, Inc. its general partner By: /s/ William H. Bohnsack, Jr. --------------------------------------- Name: William H. Bohnsack, Jr. Title: Vice President OAK HILL SECURITIES GENPAR, L.P. By: Oak Hill Securities MGP, Inc., its general partner By: /s/ William H. Bohnsack, Jr. --------------------------------------- Name: William H. Bohnsack, Jr. Title: Vice President OAK HILL SECURITIES MGP, INC. By: /s/ William H. Bohnsack, Jr. --------------------------------------- Name: William H. Bohnsack, Jr. Title: Vice President OAK HILL SECURITIES FUND II, L.P. By: Oak Hill Securities GenPar II, L.P., its general partner By: Oak Hill Securities MGP II, Inc., its general partner By: /s/ William H. Bohnsack, Jr. --------------------------------------- Name: William H. Bohnsack, Jr. Title: Vice President OAK HILL SECURITIES GENPAR II, L.P. By: Oak Hill Securities MGP II, Inc., its general partner By: /s/ William H. Bohnsack, Jr. --------------------------------------- Name: William H. Bohnsack, Jr. Title: Vice President OAK HILL SECURITIES MGP II, INC. By: /s/ William H. Bohnsack, Jr. --------------------------------------- Name: William H. Bohnsack, Jr. Title: Vice President OAK HILL ASSET MANAGEMENT, INC. By: /s/ William H. Bohnsack, Jr. --------------------------------------- Name: William H. Bohnsack, Jr. Title: Vice President OAK HILL ADVISORS, L.P. By: Oak Hill Advisors MGP, Inc., its general partner By: /s/ William H. Bohnsack, Jr. --------------------------------------- Name: William H. Bohnsack, Jr. Title: Vice President OAK HILL ADVISORS MGP, INC. By: /s/ William H. Bohnsack, Jr. --------------------------------------- Name: William H. Bohnsack, Jr. Title: Vice President /s/ Glenn R. August -------------------------------------------- Glenn R. August