EXHIBIT 4.17(b)


Supplemental Pass Through Trust Agreement B between Mirant Mid-Atlantic, LLC and
State Street Bank and Trust Company of Connecticut, National Association, as
Pass Through Trustee, dated June 29, 2001

Supplemental Pass Through Trust Agreement C between Mirant Mid-Atlantic, LLC and
State Street Bank and Trust Company of Connecticut, National Association, as
Pass Through Trustee, dated June 29, 2001