Business
Light : Notice to the Market – Change of Earnings Release and AGM Dates
Light : Notice to the Market – Change of Earnings Release and AGM

About this update from Light S.a.
LIGHT S.A. Under Judicial Reorganization Corporate Taxpayer ID 03.378.521/0001-75 NIRE 33.300.263.16-1 PUBLICLY HELD COMPANY Notice to the Market Light S.A. In Judicial Reorganization ("Company") (B3: LIGT3; ADR I: LGSXY) informs its shareholders and the market in general, further to the Notice to Shareholders disclosed on January 15, 2026, that it has updated its Annual Corporate Events Calendar due to the anticipation of the dates (i) for the disclosure of the Complete Annual Financial Statements and Standardized Financial Statements DFP for the fiscal year ended December 31, 2025, from March 23, 2026, to March 20, 2026, after market close, and (ii) for the call and holding of the Company's Annual General Meeting (AGM), from April 29, 2026, to April 24, 2026. The Company also clarifies that the date for the Public Presentation on the 2025 Fiscal Year Earnings Release will remain March 24, 2026, as per information available on the Company's website. Finally, the Company highlights that the exercise of rights and the disclosure of information related to the Annual General Meeting (AGM) must be carried out within the respective legal and regulatory deadlines, considering the new date for the meeting. The Company informs that the updated Calendar is available for consultation on the Company's website ( www.ri.light.com.br ), the CVM ( www.gov.br/cvm/pt-br ), and B3 ( www.b3.com.br ). The Company's Investor Relations Department is available to clarify any inquiries that may arise via email [email protected] . Rio de Janeiro, March 17, 2026. Alexandre Nogueira Ferreira Chief Executive and Investor Relations Officer LIGHT S.A. Under Judicial Reorganization