Business Context and Reporting Period
Company: Companhia Paranaense de Energia (COPEL / Energy Company of Paraná)
Filing Type: Form 6-K (Report of Foreign Private Issuer)
Date of Filing: May 21, 2026
Reporting Period: This filing reports a material fact regarding corporate governance and capital structure decisions made on May 21, 2026. It is not a periodic financial report (e.g., 10-K or 20-F) and does not cover a specific fiscal quarter or year-end financial performance.
Key Financial Metrics
This filing does not contain financial performance data such as revenue, profit, cash flow, margins, debt, or liquidity ratios. The document focuses exclusively on the amendment of a share buyback program.
| Metric | Value |
|---|---|
| Common Shares Outstanding | 2,982,301,396 |
| Shares Currently Held in Treasury | 12,723,294 |
| Additional Shares Authorized for Repurchase | 285,506,846 |
| Maximum Treasury Holding Target | 10.0% of total outstanding shares |
Material Changes
The Board of Directors approved an amendment and renewal of the Company's share repurchase program, originally approved on November 25, 2024. Key changes include:
- Authorization Increase: The Company is now authorized to acquire up to 285,506,846 additional common shares.
- Program Cap: Combined with existing treasury shares, the total repurchased shares will correspond to 10.0% of the total outstanding shares.
- Duration Extension: The term for acquisitions has been renewed for an additional 18 months, extending the program end date to November 21, 2027.
- Purpose: Shares will be held in treasury, cancelled, or sold without reducing share capital, and may be used for share-based incentive plans.
Guidance, Outlook, and Risks
Management Commentary: The Company states that acquisitions will be executed at market prices on B3 S.A. - Brasil, Bolsa, Balcão. The Executive Board retains discretion over the timing, quantity, and price of transactions.
Financial Constraints: Acquisitions are strictly limited to the balance of profits for the current fiscal year and available profit and capital reserves. The program is explicitly designed not to affect dividend distributions.
Intermediaries: Transactions may be carried out through Itaú Corretora de Valores S.A., BTG Pactual Corretora de Títulos e Valores Mobiliários S.A., and Morgan Stanley Corretora de Títulos e Valores Mobiliários S.A.
Risks and Forward-Looking Statements: The filing includes standard forward-looking statements regarding future economic circumstances, industry conditions, and capital expenditure plans. Management notes that actual results may differ materially from expectations due to general economic and market conditions.
Investor Verification Checklist
- Verify the current market price of COPEL shares to assess the potential capital outflow required to reach the 10% treasury cap.
- Confirm the Company's current "balance of profits" and "available profit and capital reserves" to ensure the buyback authorization is fully fundable.
- Review the minutes of the Board of Directors meeting held on May 21, 2026, available on the Company's investor relations website for detailed terms.
- Monitor future filings to track the actual volume of shares repurchased under the renewed program.