Energisa S A : Aneel approves tariff readjustment for ESE

ENERGISA S.A.

CNPJ/MF nº 00.864.214/0001-06

A publicly held company

NOTICE TO THE MARKET

Aneel approves tariff readjustment for ESE

A Energisa S.A. ("Energisa" or "Companhia"), in compliance with the CVM Resolution 44/ 2021, issued on August 23, 2021, which revoked CVM Instruction No. 358, issued on January 3, 2002, hereby announces that at an ordinary public meeting of the board held on this date, the National Electricity Regulatory Agency ("Aneel"), approved the rate readjustment of Energisa Sergipe - Distribuidora de Energia S/A ("ESE"), to be applied as of April 22, 2022.

The approved rate readjustment is shown in the table below:

Voltage Level	Average Effect for ESE Consumer (%)
Low Voltage	16.88%
High and Medium Voltage	14.76%
Total	16.24%

The annual rate readjustment process

consists of passing through to consumers

ESE Tariff Composition

the unmanageable concession costs Approximately 36% of costs are taxes and subsidies (Parcel A - energy purchases, sector charges and transmission charges) and adjusting the manageable costs (Parcel B) by the change in the IGPM price index minus the X Factor, which passes through to consumers the annual productivity gains made by the concession operator.

The variation in Parcel A costs was + 11.13%, amounting to R$ 964.0 million, primarily impacted by the increase 46.67% in sector charges due to the 28% increase in the CDE Charge, used in the beginning of 2022. The average pass-through price of energy purchase contracts ("PMix") was set at R$ 216.42/MWh.

The change in the Parcel B was 11.49%, amounting to R$ 672.5 million, reflecting the inflation accumulated (IGPM) since the last readjustment of, de 14.77%, minus the X Factor, de 3.28%.

The table below details each component of the rate adjustment:

Average effect to be perceived: + 16.24%	Transfer Variation of Parcel A and B: + 11.28%	Parcel B	+ 4.71%
Energy Purchase	+ 3.01%
Sector Charges	+ 4.27%
Transmission Costs	- 0.71%
Unrecoverable Revenue	-
Change in Financial Accounts: + 4.96%	Removal of financial items from the previous process	+ 4.13%
Removal of financial items from the previous process	+ 0.84%

Cataguases, April 19, 2022.

Maurício Perez Botelho

CFO and Investor Relations Director

Energisa S.A. - MATRIZ

Praça Rui Barbosa, 80/parte | Centro |

Cataguases | MG | CEP 36770-901

(32) 3429 6000 | CNPJ 00.864.214/0001-06 | Insc. Mun.: 12560-1

Rua Praia de Botafogo, 228/13º andar | Edifício Argentina

Botafogo | Rio de Janeiro | RJ | 22250-906

(21) 2122 6900 | CNPJ: 00.864.214/0002-97

www.grupoenergisa.com.brEnergisa S.A. - FILIAL