Irb Brasil Resseguros SaBMFBOVESPA: IRBR3

Notice to the Market - Quiet Period and Blackout Period 4Q25

· Issued by Irb Brasil Resseguros SA
IRB-BRASIL RESSEGUROS S.A. Corporate Taxpayer's ID (CNPJ): 33.376.989/0001- 91 Company Registry (NIRE): 333.0030917-9 Publicly held Company NOTICE TO THE MARKET

4Q25 Earnings Results Calendar

IRB(Re) ("Company") announces 4Q25 Earnings Release and Presentation Schedule:

EARNINGS RELEASE

Date: Thursday, February 12, 2026 Time: After market close

EARNINGS PRESENTATION

Date: Friday, February 13, 2026

Time: 11:00 a.m. (São Paulo) / 9:00 a.m. (New York)

Language: The presentation will be conducted in Portuguese, with simultaneous interpretation into English

Virtual meeting link:

https://tenmeetings.com.br/ten-events/#/webinar?evento=ConferenciadeResultados-4T25-IRB(RE)_373

Quiet Period and Trading Blackout

IRB(Re) will observe a Quiet Period from January 28 to February 13, 2026 (inclusive). During this time, the Company will not comment on its financial performance to ensure fair disclosure practices. In addition, insiders and other related persons are prohibited from trading the Company's securities.

Rio de Janeiro, January 28, 2025.

Marcos Pessôa de Queiroz Falcão Chief Executive Officer Investor Relations Officer



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