. in addition , the revised capital framework will introduce a new tier 1 supplementary leverage ratio ( supplementary leverage ratio ) for advanced approach banking organizations . the supplementary leverage ratio compares tier 1 capital ( as defined under the revised capital framework ) to a measure of leverage exposure , defined as the sum of the firm 2019s assets less certain cet1 deductions plus certain off-balance-sheet exposures , including a measure of derivatives exposures and commitments