Exhibit 4.2b Pass Through Trust Agreement LT, dated as of May 1, 2001, among Dynegy Roseton, L.L.C., Dynegy Danskammer, L.L.C. and The Chase Manhattan Bank.

                                                                    Exhibit 4.2b

Pass Through Trust Agreement LT, dated as of May 1, 2001, among Dynegy Roseton,
L.L.C., Dynegy Danskammer, L.L.C. and The Chase Manhattan Bank.