TIM S.A. approves R$600M, R$70M unit capital injections

TIM S.A. approved capital contributions to its wholly owned subsidiaries I-Systems Soluções de Infraestrutura S.A. and V8 Consulting S.A.

Rhea-AI Filing Summary

TIM S.A. approved capital contributions to its wholly owned subsidiaries I-Systems Soluções de Infraestrutura S.A. and V8 Consulting S.A. (“V8 Tech”) of up to R$600 million and R$70 million, respectively, through capital injections funded with its own cash resources.

The funds are primarily intended to enable the early repayment of financial obligations at these subsidiaries, helping optimize the TIM Group’s capital structure and financing costs in Brazil. The action will not result in issuing TIM shares or changing the Company’s share capital or ownership interests in the subsidiaries.

Key Figures

Capital contribution to I-Systems: R$600 million Capital contribution to V8 Tech: R$70 million Number of subsidiaries receiving capital: 2 subsidiaries +1 more

4 metrics

Capital contribution to I-Systems R$600 million Maximum capital injection approved by the Board of Directors

Capital contribution to V8 Tech R$70 million Maximum capital injection approved by the Board of Directors

Number of subsidiaries receiving capital 2 subsidiaries I-Systems Soluções de Infraestrutura S.A. and V8 Consulting S.A.

Board approval date July 27, 2026 Date associated with approval of the capital contributions in Rio de Janeiro

Key Terms

capital contributions, wholly owned subsidiaries, early repayment of financial obligations, capital structure

4 terms

capital contributions financial

"approved capital contributions to its wholly owned subsidiaries"

wholly owned subsidiaries financial

"capital contributions to its wholly owned subsidiaries I-Systems and V8"

early repayment of financial obligations financial

"intended to enable the early repayment of financial obligations"

capital structure financial

"contributing to the optimization of the TIM Group’s capital structure"

Capital structure is the way a company finances its operations and growth by using different sources of money, such as borrowed funds (loans or bonds) and owner’s equity (investments from owners or shareholders). It’s like a recipe for baking a cake, where the balance of ingredients affects the final product's strength and taste; similarly, the mix of debt and equity influences a company's stability and risk. For investors, understanding a company's capital structure helps gauge how risky it might be to invest or lend money.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did TIMB (TIM S.A.) announce regarding capital contributions?

TIM S.A. announced Board approval for capital contributions of up to R$600 million to I-Systems and R$70 million to V8 Consulting S.A. (“V8 Tech”). These injections are internal, funded from existing cash, and focused on strengthening subsidiary balance sheets.

Which TIMB (TIM S.A.) subsidiaries will receive the new capital?

The Board authorized capital injections into two wholly owned subsidiaries: I-Systems Soluções de Infraestrutura S.A. and V8 Consulting S.A. (V8 Tech). Both entities are part of the TIM Group in Brazil and will use funds mainly to repay financial obligations early.

How will TIMB (TIM S.A.) fund these capital injections?

TIM S.A. will fund the capital contributions using its own cash resources. No external financing is mentioned, so the injections represent an internal redeployment of liquidity within the TIM Group to support early repayment of subsidiary financial obligations and reduce financing costs.

What is the purpose of TIMB (TIM S.A.)’s R$600M and R$70M allocations?

The primary purpose is to enable early repayment of financial obligations at I-Systems and V8 Tech. TIM S.A. states this is intended to contribute to optimizing the Group’s capital structure and financing costs in Brazil by strengthening these subsidiaries’ financial positions.

Will TIMB (TIM S.A.) issue new shares or change ownership due to these contributions?

No. TIM S.A. clarifies the transaction will not result in issuing new TIM shares and will not change the Company’s share capital or its ownership interests in I-Systems and V8 Tech. The contributions are internal transfers within an existing ownership structure.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 07/28/2026 - 08:09 AM Accepted by SEC EDGAR 07/27/2026 - 06:31 PM Learn about SEC filing dates

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER
PURSUANT TO RULE 13a-16 OR 15d-16
UNDER THE SECURITIES EXCHANGE ACT OF 1934

Date of Report: July 27, 2026

Commission File Number: 001-39570

TIM S.A.
(Exact name of Registrant as specified in its Charter)

João Cabral de Melo Neto Avenue, 850 – North Tower – 12^th floor
22775-057 Rio de Janeiro, RJ, Brazil
(Address of principal executive office)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

Form 20-F ☒ Form 40-F ☐

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1).

Yes ☐ No ☒

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7).

Yes ☐ No ☒

 

TIM S.A.

Publicly-held company

CNPJ/MF 02.421.421/0001-11

NIRE 33.300.324.631

Notice to the Market

Capital Contributions to Wholly Owned Subsidiaries of TIM S.A.

TIM S.A., ("TIM" or "Company") (B3: TIMS3; NYSE: TIMB), hereby informs its shareholders and the market in general that, at a meeting held on this date, the Company’s Board of Directors approved capital contributions to its wholly owned subsidiaries I-Systems Soluções de Infraestrutura S.A. (“I-Systems”) and V8 Consulting S.A. (“V8 Tech”), in amounts of up to R$600 million and R$70 million, respectively, through capital injections.

The contributions will be funded with the Company’s own cash resources and are primarily intended to enable the early repayment of financial obligations of the respective subsidiaries, contributing to the optimization of the TIM Group’s capital structure and financing costs in Brazil.

The Company further clarifies that the transaction will not result in the issuance of TIM shares, nor will it lead to any change in the Company’s share capital or in its ownership interest in the aforementioned subsidiaries.

Rio de Janeiro, July 27, 2026.

TIM S.A.

Vicente de Moraes Ferreira

Investor Relations Officer

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

		TIM S.A.
Date: July 27, 2026		By:	/s/ Alberto Mario Griselli
			Alberto Mario Griselli
			Chief Executive Officer