Concessions

ISA ENERGIA BRASIL is constantly evaluating opportunities in the market for its growth and has made progress in this area. The Company's strategy consists of expanding its presence in the national territory through auctions and/or acquisitions that generate synergies with existing operations, while respecting the minimum required return.

Since 2016, the Company has secured nineteen lots in transmission auctions held by ANEEL, totaling ANEEL investments (weighted by ISA ENERGIA BRASIL's participation) of R$ 15.8 billion, with an increase in RAP (2025/2026 cycle) of approximately R$ 2.1 billion following the commissioning of these assets.

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Company	Contract	Project	Expiration	Operational Status	Next Tariff Review	RAP  ISA ENERGIA BRASIL Cycle 2025/2026 (BRLmillion)	Adjustment Index	ISA ENERGIA BRASIL's Share (%)
ISA ENERGIA BRASIL	059/2001 008/2022 012/2016 006/2023 012/2023	Concessão Paulista Piraquê PBTE Serra Dourada Itatiaia	SP MG / ES SP BA/MG RJ/MG	31-Dec-42 30-Sep-52 21-Nov-46 29-Sep-53 29-Sep-53	Operational Under Construction Operational Under Construction Under Construction	2028 2028 2027 2029 2029	3.546,4 343,1 234,8 321,8 248,2	100%
IE Aguapeí	046/2017	Aguapeí	SP	11-Aug-47	Operational	2028	83,2	100%
IE Riacho Grande	005/2021	Riacho Grande	SP	31-Mar-51	Under Construction	2025	93,1	100%
IEMG	007/2020 004/2007	Triângulo Mineiro IEMG	MG MG	20-Mar-50 23-Apr-37	Operational Operational	2025 n.a.	46,1 15,4	100%
IE Itaúnas	018/2017	Itaúnas	ES	10-Feb-47	Operational	2027	72,1	100%
IE Itaquerê	027/2017	Itaquerê	SP	11-Aug-47	Operational	2028	70,8	100%
IENNE	001/2008	IENNE	PI / TO / MA	16-Mar-38	Operational	2028	71,4	100%
IE Serra do Japi	026/2009	Serra do Japi	SP	18-Nov-39	Operational	2025	62,4	100%
IE Jaguar 9	015/2008	Getulina, Mirassol e Aráras	SP	15-Oct-38	Operational	n.a.	77,3	100%
IE Biguaçu	012/2018	Biguaçu	SC	20-Sep-48	Operational	2029	56,3	100%
IE Jaguar 6	143/2001 042/2017	Botucatu-Xavantes Bauru	SP SP	11-Aug-47 20-Mar-50	Operational Operational	n.a. 2028	20,6 16,2	100%
IE Jaguar 8	011/2022 012/2008	Jacarandá Piratininga	SP SP	21-Sep-48 9-Dec-41	Under Construction Operational	2028 n.a.	16,1 16,0	100%
IE Tibagi	026/2017 006/2020 014/2023	Tibagi Três lagoas Água Vermelha	SP MS / SP MG	15-Oct-38 15-Oct-38 21-Sep-48	Operational Operational Operational	2028 2025 2029	23,7 7,5 8,5	100%
IESUL	016/2008 013/2008	Forquilinha Scharlau	SC RS	20-Dec-31 11-Aug-47	Operational Operational	n.a.	20,4 8,8	100%
IE Itapura	021/2018 021/2011	Lorena Itapeti	SP SP	30-Sep-52 15-Oct-38	Operational Operational	2029 2027	18,3 9,2	100%
IE Pinheiros	018/2008	Atibaia II	SP	15-Oct-38	Operational	n.a.	8,6	100%
IE Madeira	013/2009 015/2009	Lote D Lote F	RO / SP / MT / MS / GO	25-Feb-39 25-Feb-39	Operational Operational	n.a.	208,3 179,7	ISA ENERGIA BRASIL 51% / Furnas 24,5% / Chesf 24,5%
IE Ivaí	022/2017	Ivaí	PR	11-Aug-47	Operational	2028	199,4	50% / TAESA 50%
IE Aimorés	004/2017	Aimorés	MG	10-Feb-47	Operational	2027	54,4	50% / TAESA 50%
IE Garanhuns	022/2011	Garanhuns	PE / AL / PB	9-Dec-41	Operational	2027	80,5	51% / Chesf 49%
IE Paraguaçu	003/2017	Paraguaçu	BA / MG	10-Feb-47	Operational	2027	81,2	50% / TAESA 50%
#22	Total (34)						6.373
Operational							5.350,5
Under Construction							1.022,3
Total							6.372,8

The Annual Permitted Revenue “RAP” of all contracts is annually adjusted by the IPCA, with the exception of contract: 143/2001 which is adjusted by the IGPM.