AK Steel Holding (AKS)

4. Performance Periods.

Each Performance Period shall consist of a period of three consecutive calendar years, with the first such three-year period commencing on January 1, 2005 and ending on December 31, 2007; provided however, to effect the transition from the Plan as in effect prior to this amendment and restatement to the Plan as amended and restated herein, solely for purposes of this Plan, calendar year 2005 shall be a transitional one-year Performance Period, and calendar years 2005 and 2006 shall be a transitional two-year Performance Period. For purposes that may be relevant to other compensation and benefit plans of the Company, calendar year 2005, and calendar years 2005-2006, shall be considered the last year, and the last two years, respectively, of Performance Periods that began under the provisions of the Plan as in effect prior to this amendment and restatement.

4. Performance Periods.

Each Performance Period shall consist of a period of three consecutive calendar years, with the first such three-year period commencing on January 1, 2005 and ending on December 31, 2007; provided however, to effect the transition from the Plan as in effect prior to this amendment and restatement to the Plan as amended and restated herein, solely for purposes of this Plan, calendar year 2005 shall be a transitional one-year Performance Period, and calendar years 2005 and 2006 shall be a transitional two-year Performance Period. For purposes that may be relevant to other compensation and benefit plans of the Company, calendar year 2005, and calendar years 2005-2006, shall be considered the last year, and the last two years, respectively, of Performance Periods that began under the provisions of the Plan as in effect prior to this amendment and restatement.