WITNESSETH:Underwriting Agreement • October 18th, 2002 • Public Service Co of Oklahoma • Electric services • New York
Senior NotesIndenture • October 18th, 2002 • Public Service Co of Oklahoma • Electric services • New York
Exhibit 1(a) PUBLIC SERVICE COMPANY OF OKLAHOMA Selling Agency AgreementSelling Agency Agreement • October 18th, 2002 • Public Service Co of Oklahoma • Electric services • New York
and THE BANK OF NEW YORK, AS TRUSTEESecond Supplemental Indenture • October 18th, 2002 • Public Service Co of Oklahoma • Electric services • New York
and THE BANK OF NEW YORK, AS TRUSTEEFirst Supplemental Indenture • October 18th, 2002 • Public Service Co of Oklahoma • Electric services • New York
