TIM S.A. comments on Telecom Italia public offer

TIM S.A. reports that its indirect parent, Telecom Italia S.p.A., has announced the launch of a public offering promoted by Poste Italiane S.p.A.

Rhea-AI Filing Summary

TIM S.A. reports that its indirect parent, Telecom Italia S.p.A., has announced the launch of a public offering promoted by Poste Italiane S.p.A. TIM explains that all related discussions are occurring solely at the Telecom Italia level and that it has no additional information beyond what has already been publicly disclosed by its parent. The company emphasizes its commitment to diligence and transparency, stating it is closely monitoring the situation and will update the market in line with applicable regulations.

FAQ

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

What public offer involving Telecom Italia is referenced by TIMB in this 6-K?

The report states that Telecom Italia S.p.A.’s Board registered the launch of a public offering promoted by Poste Italiane S.p.A. TIM S.A. notes this initiative occurs at the Telecom Italia level and that it only became aware through Telecom Italia’s press release.

How is TIM S.A. (TIMB) involved in the Poste Italiane public offer?

TIM S.A. clarifies it is not directly involved in the public offer. Discussions and evaluations are taking place exclusively within Telecom Italia S.p.A., TIM’s indirect parent, and TIM has no additional information beyond what Telecom Italia has publicly disclosed so far.

Did TIM S.A. disclose any new transaction details in this March 2026 6-K?

No new transaction details are disclosed by TIM S.A. It simply reports awareness of Telecom Italia’s press release about the public offer and confirms that it has not received further information beyond what is already public from its indirect parent company.

What commitment does TIMB highlight to investors in this 6-K filing?

TIM S.A. reiterates its commitment to diligence and transparency toward shareholders and the market. It states that it is closely monitoring developments related to the Telecom Italia public offer and will keep the market informed in accordance with applicable regulations and disclosure rules.

Who signed the TIMB Form 6-K related to the Telecom Italia public offer?

The Form 6-K is signed on behalf of TIM S.A. by Alberto Mario Griselli. He is identified as the company’s Chief Executive Officer, Chief Financial Officer, and Investor Relations Officer, indicating his responsibility for both management and capital markets communication.

What regulations does TIM S.A. cite in communicating this market notice?

TIM S.A. cites compliance with CVM Resolution No. 44/21, which governs disclosure obligations in Brazil. The company frames the communication as a market notice designed to inform shareholders and other interested parties about the situation involving its indirect parent, Telecom Italia S.p.A.

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

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Accepted by SEC EDGAR 03/23/2026 - 05:53 PM EDT 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: March 23, 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

Clarifications Regarding the Public Offer Addressed to Telecom Italia S.p.A.

TIM S.A. ("TIM" or "Company") (B3: TIMS3; NYSE: TIMB), in accordance with the provisions of CVM Resolution No. 44/21, informs its shareholders, the market in general and other interested parties that it has become aware of a press release issued today by its indirect parent company, Telecom Italia S.p.A. ("Telecom Italia"), in which the Board of Directors of that company registered the launch of a Public Offering promoted by Poste Italiane S.p.A..

TIM clarifies that such discussions and evaluations take place exclusively within the scope of Telecom Italia and that after consulting directly with the management of its indirect parent company, it was informed that, so far, there is no additional information on the subject, other than that already publicly disclosed.

Reiterating its posture of diligence and transparency, the Company continues to closely monitor developments and will keep the market informed under the terms of the applicable regulations.

Rio de Janeiro, 23 March 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: March 23, 2026		By:	/s/ Alberto Mario Griselli
			Alberto Mario Griselli
			Chief Executive Officer, Chief Financial Officer and Investor Relations Officer