Filed by Banco Santander,
S.A.
Pursuant to Rule 425 under the Securities Act of 1933
Subject Company: Banco Santander (Brasil) S.A.
Commission File No.: 001-34476
BANCO SANTANDER
(BRASIL) S.A.
Publicly Traded Company
with Authorized Capital
CNPJ/MF No. 90.400.888/0001-42
NIRE 35,300,332,067
MATERIAL
FACT
BANCO
SANTANDER (BRASIL) S.A. ("Santander Brasil" or "Company"), in compliance with the provisions of
CVM Resolution No. 44/21 and Article 157, Paragraph 4, of Law No. 6,404/76, and in addition to the material fact disclosed on July 30,
2026 (“July 30, 2026, Material Fact”), hereby informs its shareholders and the market in general, in connection with
the intended voluntary exchange public offer in Brazil (“Brazilian Exchange Offer”) and the exchange offer in the
United States (“U.S. Exchange Offer” and, together with the Brazilian Exchange Offer, the “Exchange Offers”),
announced by Banco Santander, S.A. (“Offeror” or “Banco Santander”) and detailed by the Company
in the Material Fact issued on July 30, 2026 that the following filings were carried out by Banco Santander on this date:
| i. | the
request for registration of Banco Santander as a foreign issuer (publicly-held company –
category A) with the Brazilian Securities and Exchange Commission ("CVM"); |
| ii. | the
request for registration of Banco Santander’s Brazilian Depositary Receipts Program
with the CVM; |
| iii. | the
admission request of Banco Santander's Brazilian Depositary Receipts (“BDRs”)
to trading on B3 S.A. – Brasil, Bolsa, Balcão ("B3"); |
| iv. | the
request for registration of the Brazilian Exchange Offer with the CVM and B3; and |
| v. | the
filing of a registration statement on Form F-4 with the U.S. Securities and Exchange Commission
(the “SEC”). The Form F-4 has not yet been declared effective by the SEC. |
In addition,
the Company received today the appraisal report of Santander Brasil and Banco Santander to be used for purposes of the Brazilian Exchange
Offer, prepared by UBS BB Corretora de Câmbio, Títulos e Valores Mobiliários S.A. (“Appraisal Report”).
The Appraisal
Report was made available simultaneously with the disclosure of this Material Fact through the CVM’s and B3’s IPE System,
and disclosed on the Company’s website (https://www.santander.com.br/ri/), pursuant to
Article 18 of CVM Resolution No. 215, dated October 29, 2024.
This
Material Fact is for informational purposes only. This Material Fact shall not constitute an offer to sell or the solicitation of an
offer to buy any securities, nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale
would be unlawful prior to registration or qualification under the securities laws of any such jurisdiction.
Santander
Brasil will keep its shareholders and the market informed of any new relevant developments related to the Exchange Offers, in accordance
with applicable regulations.
São
Paulo, September 21, 2026
Carlos
Ignacio Muñiz Gonzalez Blanch
Executive
Vice President and Chief Investor Relations Officer
IMPORTANT INFORMATION FOR INVESTORS
REGARDING THE PROPOSED TRANSACTION
In connection with
the proposed transaction, Banco Santander has filed with the SEC a Registration Statement on Form F-4 that includes a prospectus and
offer to exchange. Banco Santander has also filed with the CVM a Tender Offer Notice (Edital de Oferta Pública de Aquisição)
in connection with the transaction and the prospective offer as required under applicable law. INVESTORS AND SECURITY HOLDERS ARE URGED
TO READ THE REGISTRATION STATEMENT, PROSPECTUS, OFFER TO EXCHANGE, TENDER OFFER NOTICE AND ALL OTHER RELEVANT DOCUMENTS THAT HAVE BEEN
FILED WITH THE SEC AND THE CVM REGARDING THE PROPOSED TRANSACTION BECAUSE THEY CONTAIN IMPORTANT INFORMATION.
All such documents
filed with the SEC are available free of charge at the SEC’s website at www.sec.gov and
through the CVM’s website at www.cvm.gov.br.
The information
included in the Form F-4 filed with the SEC and in the draft tender offer notice filed with the CVM and B3 is preliminary and may be
changed. The definitive terms and conditions of the Exchange Offers and other relevant information will be included in the definitive
offer documentation prepared and published in due course upon formal launch once announced conditions to the commencement of the Exchange
Offers have been fulfilled, which will complement, update and supersede the information included therein. Such documents are subject
to, and must be read in conjunction with, all other publicly available information, including, where relevant, any fuller disclosure
document published by Banco Santander. Any person at any time making any investment decision must do so only on the basis of such person’s
own judgment as to the merits or the suitability of the securities for its purpose and only on such information as is contained in the
definitive offer documentation having taken all such professional or other advice as it considers necessary or appropriate in the circumstances
and not in reliance on the information contained in other documents. No investment activity should be undertaken on the basis of the
information contained herein or in such documents. In making such documents available Banco Santander gives no advice and makes no recommendation
to buy, sell or otherwise deal in shares in Banco Santander or Santander Brasil or in any other securities or investments whatsoever.
This document is
not an offer of securities for sale into the United States, Brazil, Spain, the United Kingdom, Poland, Mexico or elsewhere. No offering
of securities shall be made in the United States except pursuant to registration under the U.S. Securities Act of 1933, as amended, or
an exemption therefrom, and no offering of securities shall be made in Brazil, Spain, the United Kingdom, Poland or Mexico except pursuant
to applicable law.
Forward-Looking
Statements
This communication
contains “forward-looking statements,” which may be identified by words like expect, project, anticipate, should, intend,
probability, risk, target, goal, objective, estimate, future and similar expressions and include, but are not limited to, statements
that are predictive in nature and depend upon or refer to future events, conditions, circumstances or the future performance of Banco
Santander or Santander Brasil or their respective affiliates, including as a result of the implementation of the transactions described
herein. These statements are based on management’s current expectations and are inherently subject to uncertainties and changes
in circumstance and a number of risks, uncertainties and other important factors may cause actual developments and results to differ
materially from current expectations.
Risks and uncertainties
include, among other things:
| · | general
economic or industry conditions (e.g., an economic downturn; higher volatility in the capital
markets; inflation; deflation; changes in demographics, consumer spending, investment or
saving habits; and the effects of the armed conflicts in Ukraine and the Middle East, or
the outbreak of public health emergencies in the global economy) in areas where we have significant
operations or investments; |
| · | exposure
to operational risks, including cyberattacks, data breaches, data losses and other security
incidents; |
| · | exposure
to market risks (e.g., risks from interest rates, foreign exchange rates, equity prices and
new benchmark indices); |
| · | potential
losses from early loan repayment, collateral depreciation or counterparty risk; |
| · | political
instability in Spain, the UK, other European countries, Latin America and the US; |
| · | changes
in monetary, fiscal and immigration policies and trade tensions, including the imposition
of tariffs and retaliatory responses; |
| · | legislative,
regulatory or tax changes (including regulatory capital and liquidity requirements) and greater
regulation prompted by financial crises; |
| · | acquisitions,
integrations, divestitures and challenges arising from deviating management’s resources
and attention from other strategic opportunities and operational matters; |
| · | reputational
risk and potential adverse reactions of stakeholders, including adverse effects on the market
price of our securities; |
| · | climate-related
conditions, regulations, targets and weather events; |
| · | uncertainty
over the scope of actions that may be required by us, governments and other to achieve goals
relating to climate, environmental and social matters, as well as the evolving nature of
underlying science and potential conflicts and inconsistencies among governmental standards
and regulations; |
| · | our
own decisions and actions, including those affecting or changing our practices, operations,
priorities, strategies, policies or procedures; and |
| · | changes
affecting our access to liquidity and funding on acceptable terms, especially due to credit
spread shifts or credit rating downgrade for the entire Santander Group or core subsidiaries. |
Additionally, important
factors that could cause Banco Santander’s and/or Santander Brasil’s actual results, financial condition and achievements
to differ materially from those indicated in these forward-looking statements include, in addition to those set forth in Banco Santander’s
and Santander Brasil’s filings with the SEC and the CVM, as applicable:
| · | risks
related to the proposed transaction, including uncertainties as to whether certain statutory
relief under the U.S. securities laws will be granted, the risk that the conditions to commencement
and/or consummation of the proposed transaction are not received or satisfied on a timely
basis or at all, and the risk of Santander Brasil shareholders not tendering their securities
in the proposed transaction or otherwise not supporting the terms of the proposed transaction; |
| · | the
expected timing and likelihood of completion of the transaction, including the timing, receipt
and terms and conditions of any required regulatory or shareholder approvals; |
| · | disruption
to the parties’ businesses as a result of the announcement and pendency of the proposed
transaction; |
| · | the
risk that matters relating to the transaction could have adverse effects on the market price
of the securities of Banco Santander or Santander Brasil; |
| · | the
risk that the transaction could have an adverse effect on the ability of Banco Santander
or Santander Brasil to retain customers and retain and hire key personnel and maintain relationships
with their suppliers and customers; |
| · | the
possibility that the proposed transaction may be more expensive to complete than anticipated,
including as a result of unexpected factors or events; |
| · | the
dilution caused by Banco Santander’s issuance of additional ordinary shares and corresponding
American depositary shares or BDRs, each representing the right to receive one of its ordinary
shares, or , in connection with the proposed transaction; and |
| · | compliance
with regulatory requirements. |
All such factors
are difficult to predict and are beyond Banco Santander’s and Santander Brasil’s control, including those other risks and
uncertainties discussed in (i) Banco Santander’s filings with the SEC, including the “Risk Factors” and “Cautionary
Statement Regarding Forward-Looking Statements” sections of Banco Santander’s most recent annual report on Form 20-F and
subsequent 6-Ks filed with, or furnished to, the SEC and (ii) Santander Brasil’s filings with the SEC and the CVM, as applicable,
including the “Risk Factors” and “Forward-Looking Statements” sections of Santander Brasil’s most recent
annual report on Form 20-F and subsequent 6-Ks filed with, or furnished to, the SEC and most recent Formulário de Referência
filed with the CVM.
You can obtain copies
of Banco Santander’s and Santander Brasil’s filings, as applicable, with the SEC and the CVM for free at the SEC’s
website (www.sec.gov) or at the CVM’s website (ww.cvm.gov.br). Other factors that may cause
actual results to differ materially include those that are set forth in the Registration Statement on Form F-4 and the related Offer
to Exchange/Prospectus, the Tender Offer Notice, and those that will be set forth in the Solicitation/Recommendation Statement on Schedule
14D-9 and other tender offer documents to be filed by Banco Santander and Santander Brasil. All forward-looking statements in this communication
are qualified in their entirety by this cautionary statement.
Our forward-looking
statements speak only as at the date of this communication and are informed by the knowledge, information and views available as at the
date of this communication. Banco Santander is not required to update or revise any forward-looking statements, regardless of new information,
future events or otherwise.