Taesa Transmissora Aliança de Energia Eletrica S A : Dados Econômico-Financeiros

(Convenience Translation into English from the Original Previously Issued in Portuguese)

Transmissora Aliança de Energia Elétrica S.A.

Report on Review of Interim Financial Information for the Three‐month Period Ended March 31, 2023

Deloitte Touche Tohmatsu Auditores Independentes Ltda.

ITR - Interim Financial Information - 03/31/2023 - TRANSMISSORA ALIANÇA DE ENERGIA ELÉTRICA		Version: 1
Contents
Company Information
Capital Breakdown	1
Individual Financial Statements
Balance Sheet - Assets	2
Balance Sheet - Liabilities	3
Statement of Income	5
Statement of Comprehensive Income	6
Statement of Cash Flows (Indirect Method)	7
Statement of Changes in Equity
Statement of Changes in Equity - 01/01/2023 to 03/31/2023	9
Statement of Changes in Equity - 01/01/2022 to 03/31/2022	10
Demonstração de Valor Adicionado	11
Consolidated Financial Statements
Balance Sheet - Assets	12
Balance Sheet - Liabilities	13
Statement of Income	15
Statement of Comprehensive Income	16
Statement of Cash Flows (Indirect Method)	17
Statement of Changes in Equity
Statement of Changes in Equity - 01/01/2023 to 03/31/2023	19
Statement of Changes in Equity - 01/01/2022 to 03/31/2022	20
Statement of Value Added	21
Comments on Performance	22
Notes to the Financial Statements	30
Opinions and Statements
Special review report - Unqualified	28
Statement of the Directors on the Financial Statements	86
Statement of the Directors on the Independent Auditors' Report	87

ITR - Interim Financial Information - 03/31/2023 - TRANSMISSORA ALIANÇA DE ENERGIA ELÉTRICA

Version: 1

Company Information / Capital Breakdown

Number of Shares	Current Quarter
(Thousand)	03/31/2023
Of Paid-in Capital
Common	590,714
Preferred	442,783
Total	1,033,497
Treasury
Common	0
Preferred	0
Total	0

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ITR - Interim Financial Information - 03/31/2023 - TRANSMISSORA ALIANÇA DE ENERGIA ELÉTRICA

Version: 1

Individual Financial Statements / Balance Sheet -

Assets (In thousands of Brazilian reais - R$)

Account	Account Description	Current Quarter	Previous Year
Code		03/31/2023	12/31/2022
1	Total assets	16,097,181	15,020,922
1.01	Current assets	2,299,207	2,212,441
1.01.01	Cash and cash equivalents	785,531	759,628
1.01.01.01	Cash and banks	1,581	578
1.01.01.02	Short-term investments	783,950	759,050
1.01.03	Trade receivables	165,177	131,587
1.01.03.01	Trade receivables	165,177	131,587
1.01.03.01.01	Receivables from concessionaires and assignees	165,177	131,587
1.01.06	Recoverable taxes	235,791	224,266
1.01.06.01	Current recoverable taxes	235,791	224,266
1.01.08	Other current assets	1,112,708	1,096,960
1.01.08.03	Other	1,112,708	1,096,960
1.01.08.03.03	Dividends receivable	227,643	227,643
1.01.08.03.04	Other receivables and other assets	58,389	41,258
1.01.08.03.05	Concession contract asset	826,676	828,059
1.02	Noncurrent assets	13,797,974	12,808,481
1.02.01	Long-term assets	4,575,376	4,621,650
1.02.01.04	Trade receivables	27,227	27,181
1.02.01.04.01	Receivables from concessionaires and assignees	27,227	27,181
1.02.01.10	Other noncurrent assets	4,548,149	4,594,469
1.02.01.10.03	Securities	5,687	5,508
1.02.01.10.05	Other receivables	25,072	24,754
1.02.01.10.06	Escrow deposits	40,640	41,405
1.02.01.10.07	Derivative financial instruments	0	1,149
1.02.01.10.10	Concession contract asset	4,476,750	4,521,653
1.02.02	Investments	8,866,841	7,848,205
1.02.02.01	Ownership interests	8,866,841	7,848,205
1.02.02.01.01	Ownership interests in associates	2,201,760	2,125,272
1.02.02.01.02	Ownership interests in subsidiaries	5,117,355	4,236,896
1.02.02.01.03	Ownership interests in joint ventures	1,547,726	1,486,037
1.02.03	Property, plant and equipment	215,151	201,706
1.02.03.01	Property, plant and equipment in operation	211,925	197,522
1.02.03.02	Lease right of use	3,226	4,184
1.02.04	Intangible assets	140,606	136,920
1.02.04.01	Intangible assets	140,606	136,920

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ITR - Interim Financial Information - 03/31/2023 - TRANSMISSORA ALIANÇA DE ENERGIA ELÉTRICA

Version: 1

Individual Financial Statements / Balance Sheet -

Liabilities (In thousands of Brazilian reais - R$)

Account	Account Description	Current Quarter	Previous Year
Code		03/31/2023	12/31/2022
2	Total liabilities	16,097,181	15,020,922
2.01	Current liabilities	966,776	856,204
2.01.02	Trade payables	37,568	72,161
2.01.02.01	Domestic suppliers	37,568	72,161
2.01.02.01.01	Domestic suppliers	37,568	72,161
2.01.03	Taxes payable	23,033	18,027
2.01.03.01	Federal taxes payable	19,143	15,064
2.01.03.01.01	Income tax and social contribution payable	19,143	15,064
2.01.03.02	State taxes payable	1,341	583
2.01.03.03	Municipal taxes payable	2,549	2,380
2.01.04	Borrowings and financing	778,535	616,370
2.01.04.01	Borrowings and financing	1,243	6,446
2.01.04.01.01	In local currency	1,007	1,960
2.01.04.01.02	In foreign currency	236	4,486
2.01.04.02	Debentures	776,823	607,452
2.01.04.03	Finance lease	469	2,472
2.01.05	Other payables	127,640	149,646
2.01.05.02	Other	127,640	149,646
2.01.05.02.01	Dividends and interest on capital payable	26,108	26,105
2.01.05.02.04	Regulatory charges	53,733	52,800
2.01.05.02.05	Other payables	47,799	70,741
2.02	Noncurrent liabilities	8,639,250	7,594,242
2.02.01	Borrowings and financing	7,488,096	6,475,436
2.02.01.01	Borrowings and financing	362,951	372,293
2.02.01.01.01	In local currency	0	36
2.02.01.01.02	In foreign currency	362,951	372,257
2.02.01.02	Debentures	7,121,790	6,100,129
2.02.01.03	Finance lease	3,355	3,014
2.02.02	Other payables	65,333	53,624
2.02.02.02	Other	65,333	53,624
2.02.02.02.03	Other payables	9,215	7,387
2.02.02.02.04	Derivative financial instruments	56,118	46,237
2.02.03	Deferred taxes	1,047,929	1,029,888
2.02.03.01	Deferred income tax and social contribution	1,047,929	1,029,888
2.02.03.01.01	Deferred income tax and social contribution	788,311	769,022
2.02.03.01.02	Deferred PIS and COFINS	259,618	260,866
2.02.04	Provisions	37,892	35,294
2.02.04.01	Provisions for tax, social security, labor and civil risks	37,859	35,261
2.02.04.01.01	Provisions for tax risks	21,233	17,033
2.02.04.01.02	Provisions for social security and labor risks	9,989	9,739
2.02.04.01.04	Provisions for civil risks	6,637	8,489
2.02.04.02	Other provisions	33	33
2.02.04.02.04	Provision for asset retirement	33	33
2.03	Equity	6,491,155	6,570,476
2.03.01	Paid-in capital	3,042,035	3,042,035
2.03.02	Capital reserves	598,736	598,736

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