Baltimore Gas & Electric Company Standard Offer Service ...

1 Oct. 1, 2021 Jun. 1, 2022 Weighted Avg. GenerationthroughthroughSupply Price Rate May 31, 2022 Sep. 30, 2022 Oct. 1, 2021 through(1) /kWh /kWhSep. 30, 2022 /kWh /kWh$/kW /kWh$/kWRate Schedule(incl. Rider 8 2)(excl. Rider 8) (TOU) R*Feb. 1, 2022 - May 31, - - G Type I (TOU) Type I RLFeb. 1, 2022 - May 31, 2022 - - 1, 2022 - May 31, 2022 - - Notes:Feb. 1, 2022 - May 31, 2022 - - Schedule EVFeb. 1, 2022 - May 31, 2022 Feb. 1, 2022 - May 31, 2022 - - Schedule RDFeb. 1, 2022 - May 31, 2022 - Feb. 1, 2022 - May 31, 2022 - - COMMERCIAL & INDUSTRIALS chedules G/GU - Type I SOSFeb.

2 1, 2022 - May 31, - - Schedule GS - Type I SOSFeb. 1, 2022 - May 31, 2022 - - Feb. 1, 2022 - May 31, 2022 - - Feb. 1, 2022 - May 31, 2022 - - Effective with October 2017 bills - Charge or (Credit)/kWh:Charge/kWhSchedule SL/PL - Type I SOS 2 Feb. 1, 2022 - May 31, - - - Rate Stabilization Plan Charge$ (see Electric Rider 14)Nuclear Decomm. (see Electric Rider 16)Schedule G - Type II SOS Mar. 1, 2022 - May 31, - - POLR Margin (see Electric Rider 16)Financing (see Electric Rider 20)Schedule GS - Type II SOS Mar. 1, 2022 - May 31, 2022 On-Peak - - Total Charge/kWh on Bill$ 1, 2022 - May 31, 2022 Inter-Peak - - Mar.

3 1, 2022 - May 31, 2022 Off-Peak - - Effective with January 2022 Bills - Charge/kWh:Scheds. GL, P & T - Type II SOS Mar. 1, 2022 - May 31, 2022 On-Peak - - - Schs. R & RLSch. GSch. GSSch. GLSchs. P & TMar. 1, 2022 - May 31, 2022 Inter-Peak - - - Electric Efficiency$ $ $ $ $ 1, 2022 - May 31, 2022 Off-Peak - - - Demand Time GL, P & T - Type II SOS Transmission Demand Charge- - - Charge/kWh:$ $ $ $ $ :1 Excludes Rider 8 Adjustment. Refer to " Electric Supply and Distribution Rate Adjustment Charts" at under "Rates & Tariffs" for Rider 8 September 2016 Bills - Charge or (Credit)/kWh:2 Charge per lamp-watt ( /lamp-watt) = /kWh x = /lamp-watt; Sch. PL rate reflected in lamp fixture and renewal rates, effective 02/01/2022* For customers participating in Rider 6 - Vehicle Charging TOU (VC-TOU) Adjustment Program, the VC-TOU On-Peak and Off-Peak Total SOS Rates areSch.

4 R Sch. RLSched. GSched. GSSched. GLSch. PSch. Tequal to the Schedule EV On-Peak and Off-Peak Total SOS Rates, respectively. The Vehicle Charging Adjustment is based on the sum of 1) Schedule EV$ $ $ $ $ $ $ (On-Peak) Total SOS Rate minus the Schedule R Total SOS Rate multiplied by the eligible smart EV charger's On-Peak kWh and 2) Schedule EV (Off-Peak)Total SOS Rate minus the Schedule R Total SOS Rate multiplied by the eligible smart EV charger's Off-Peak kWh. For more information, see Rider 6 -Vehicle Charging Time-of-Use AdjustmentEffective June 1, 2020 - Charge or (Credit)/kWh:Hourly Administrative Charge = /kWh effective 02/01/2022 Sch. R Sch. RLSched. GSched. GSSched. GLSch. P Delivery Service charges are available at Click on "My Account", "Rates & Tariffs" , then " Electric Service " for Rates & Tariffs$ $ $ $ $ $ the corresponding rate schedule. 1 Seasonal and Weighted Supply Price Information may change slightly beginning in February, June and October due to scheduled changes in the Rider 8 and Rider 1 Adjustments, and Transmission charges.

5 The Supply Price for October 1, 2022 through May 31, 2023 will be set in May 2022. A Type II comparison is not determined as these rates change every 3 months. Schedule SL excludes Rider 8 for the annual period June 2022 - May 2023. Rider 31 - Electric Reliability Initiative Surcharge (ERI)Rider 30 - Demand Resource Charge/Credit(as shown on monthly BGE bill message effective with February 1, 2022 bills)BGE Electric Supply Price Comparison Information 1 Applicable to Residential Schedules R and RLMiscellaneous Charges on BillRSP Charge/Misc. CreditsEmPOWER Md. Charge2 Rider 8 - Energy Cost Adjustment is used to true-up the actual costs of providing retail energy supply to our customers. It compares actual customer billings for Electric supply against payments by BGE to the wholesale suppliers for that electricity. The comparison uses only known Rider 8 Rate Total Supply Rate 1(2)(3) = (1) + (2) Baltimore Gas & Electric Company Standard Offer Service (SOS) Rates/Miscellaneous Charges(Transmission Rates Effective July 1, 2021) Standard Offer Service Rates