EXHIBIT 10-18 NEW YORK STATE ELECTRIC & GAS CORPORATION Supplemental Executive Retirement Plan Amendment No. 1 RESOLVED, that the Corporation's Supplemental Executive Retirement Plan dated Sep- tember 7, 1984 be and it hereby is amended by changing the reference to "area general manager(s)" wherever it appears in the Plan to "member(s) of the Executive Staff". adopted by the Board of Directors on April 12, 1985.