Transmissora Alianca De Energia Eletrica S.a. · BMFBOVESPA:TAEE3

Transmissora Alianca De Energia Eletrica — Taesa — Q3 2025 Earnings Presentation

15 slides from Transmissora Alianca De Energia Eletrica's earnings presentation, Nov 12, 2025

  1. Slide 1: Earnings Release 3Q25

    Earnings Release 3Q25 November 12, 2025 Efficiency that enpowers 1

  2. Slide 2: Disclaimer

    Disclaimer The individual and consolidated financial projections were prepared in accordance with accounting practices adopted in Brazil, encompassing corporate legislation, pronouncements, guidelines and interpretations issued by the Accounting Pronouncements Committee (CPC), in addition to the rul

  3. Slide 3: Sustainability and Innovation

    Sustainability and Innovation TAESA Ventures Green Bonds 15 challenges launched Total volume for the 17th and 18th 325+ responses received from 200+ participating companies Issues R$ 1.45 bln in 2025 7 of the 15 challenges are related to Since 2019, we have issued R$ 4.9 billion in sustainability gr

  4. Slide 4: Accomplishments for the period

    Accomplishments for the period 3rd Quarter 4th Quarter • 18th Debenture issuance • 19th Debenture issuance – Exchange • ANEEL’s July 15, 2025 Ratifying Resolution No. 3,481 for the 2025-2026 RAP cycle • Lean Six Sigma Training – Yellow Belt (1st edition) • TSN reinforcements becomes operational • La

  5. Slide 5: 3Q25 Highlights

    3Q25 Highlights Operational and financial management reflecting stability in leverage, financial results and cost control, even under macroeconomic pressure and greater investments Regulatory net revenues in the quarter grew 9.8%, driven by the new 2025-2026 RAP cycle, operational startup of the Nov

  6. Slide 6: Regulatory Net Revenues

    Regulatory Net Revenues (R$ MM – TAESA consolidated) 3Q25 x 3Q24 – Main Variations: • RAP Adjustment +7.0% IGP-M IPCA 1,748.1 1,869.7 +7.1% +5.3% +9.8% • Operational start-up 650.5 592.5 Novatrans Pitiguari Reinforcements RAP R$ 23.4 MM RAP* R$ 41.6 MM 3Q24 3Q25 9M24 9M25 • Improvement in PV Reversa

  7. Slide 7: Regulatory EBITDA Growth

    Regulatory EBITDA Growth (R$ MM – TAESA consolidated) 84.5% 12.6% 82.9% 548.8 487.6 +9.0% 1,580.1 1,449.6 3Q24 3Q25 7.2% 1,031.4 962.0 9M24 9M25 6M24 6M25 7

  8. Slide 8: Regulatory EBITDA 9M25

    Regulatory EBITDA 9M25 (R$ MM – TAESA consolidated) 9M25 x 9M24 – Main Variations: 7.0% 1,748.1 1,869.7 +9.0% • Net Revenues (+130.5) improvement 26.9 9.0 1,580.1 109.2 9M24 9M25 14.5 Net Net Revenues Revenues 1,449.6 Excluding non- recurring events, OPEX • OPEX affected by non- grew below inflation

  9. Slide 9: Operating Performance

    Operating Performance (R$ MM – TAESA consolidated) Line Availability Index Variable Portion Improved asset performance with (PV / RAP) a focus on operational efficiency +0.19% 1.66 -83.1% ▪ Smart combination of data and 99.74 99.93 0.04 indicators for decision making ▪ Shutdown optimization 1.62 0.2

  10. Slide 10: Regulatory Net Income

    Regulatory Net Income (R$ MM – TAESA consolidated) 5.2% 61.2 (+16.0) 307.3 34.5 323.3 18.9 44.4 16.4 3Q24 Net Income Δ EBITDA Δ Equity Method Δ Depreciation Δ Net Financial ∆ IR/CSLL 3Q25 Net Income and Amortization Result 2.5% 130.5 (+20.1) 790.8 20.9 54.8 811.0 61.3 83.1 9M24 Net Income Δ EBITDA Δ

  11. Slide 11: IFRS Net Income

    IFRS Net Income (R$ MM) 9M25 x 9M24 – Main Variations: +2.4% (+28.7) 1,215.8 R$ 153.7 MM: Increased construction margin 1,187.1 • Higher investments in the Tangará, São Pedro and Saíra projects (Phase 2) due to CAPEX acceleration R$ 56.2 MM: Lower IR/CSLL • Higher Interest on Equity (IoE) payment •

  12. Slide 12: Projects under development

    Projects under development (R$ MM) 743 km ▪ TSN reinforcements: operational start-up in September 2025 RS Saíra RAP/CAPEX1: 191.7 / 1,176 Progress² 96.9% 100% TAESA ANEEL’s Deadline: mar/28 Concession Maturity: mar/53 ▪ Saíra: completion of LT Santo Ângelo – Itá C1/C2 retrofit (1% of RAP) 279 km ▪ A

  13. Slide 13: Indebtedness

    Indebtedness (R$ MM – TAESA with proportional consolidation) Net Outstanding Debt Debt Profile 4.0 4.0 4.1 4.1 4.1 Average cost of debt (real) 11,681 11,976 5.60% (pre-tax) CDI 10,960 11,134 11,487 39% 58% IPCA Average debt term 2% 5.2 years IGPM* 3Q24 4Q24 1Q25 QT25 3Q25 Corporate Rating (national

  14. Slide 14: Earnings Distribution Announcement

    Earnings Distribution Announcement YTD Board of Directors’ Meeting November 11, 2025 R$ 811 MM Board of Directors approves the distribution of: declared R$ 323.3 million R$ 2.35 as Interest on Equity (IoE) and Interim Dividends. per Unit Cut-off date: November 14, 2025 100% 67% Ex-dividend and IoE d

  15. Slide 15: Q&A Session

    Q&A Session 15

Taesa — Q3 2025 Earnings Presentation on 6ix