21. 21-1871 Consideration of a Resolution of the City Council of the City of Lewisville, Texas, Approving a Negotiated Settlement Between the Atmos Cities Steering Committee ("ACSC") and Atmos Energy Corp., Mid-Tex Division Regarding the Company's 2021 Rate Review Mechanism Filing; Declaring Existing Rates to be Unreasonable; Adopting Tariffs That Reflect Rate Adjustments Consistent With the Negotiated Settlement; Finding the Rates to be Set by the Attached Settlement Tariffs to be Just and Reasonable and in the Public Interest; Approving an Attached Exhibit Establishing a Benchmark for Pensions and Retiree Medical Benefits; Approving an Attached Exhibit Regarding Amortization of Regulatory Liability; Requiring the Company to Reimburse ACSC's Reasonable Ratemaking Expenses; Determining That This Resolution was Passed in Accordance With the Requirements of the Texas Open Meetings Act; Adopting a Savings Clause; Declaring an Effective Date; and Requiring Delivery of This Resolution to the Company and the ACSC's Legal Counsel.