The collateral requirement under each of the (AIC) Confirmation Agreement and the ComEd Energy Master Agreement will be for the credit exposure under the contract, which is based on a Mark-to-Market methodology. For the ComEd Energy Master Agreement, this methodology is described in Schedule 3 (MtM Calculation) to the Collateral Annex.

For each of the (AIC) Confirmation Agreement and the ComEd Energy Master Agreement, please refer to the front portion of the (AIC) Confirmation Agreement and Cover Sheet of the ComEd Energy Master Agreement, respectively, for amendments and elections to the EEI Collateral Annex and paragraph 10 to the Collateral Annex.