TIM S.A. (NYSE: TIMB) renews 9,000-tower American Tower partnership to 2034
Rhea-AI Filing Summary
TIM S.A. reports that its Board of Directors approved a new strategic agreement with American Tower do Brasil, redefining their long-term partnership for mobile network infrastructure. The agreement covers approximately 9,000 towers, which is about 30% of TIM’s entire infrastructure, and consolidates multiple existing contracts into a single framework with a unified term running until 2034.
The new structure is designed to simplify and improve the efficiency of managing this tower portfolio and is described as an important step in the long-term relationship between the two companies. TIM links this agreement directly to its Lease Efficiency Plan, which is part of its broader strategic plan focused on operational efficiency, governance simplification, and sustainable evolution of its mobile network.
TIM also notes that the Lease Efficiency Plan includes other contract negotiations, infrastructure sharing projects, and initiatives under a “MAKE” model, where TIM may build its own sites with or without partners. The company states it will keep shareholders and the market informed about relevant developments.
Positive
- None.
Negative
- None.
Insights
TIM consolidates 9,000-tower deal with American Tower to 2034.
TIM S.A. is formalizing a new strategic agreement with American Tower do Brasil that now governs around 9,000 towers, roughly 30% of TIM’s infrastructure. All previous contracts are being rolled into a single framework with a unified term through
The company positions this move as part of a broader Lease Efficiency Plan, aimed at operational efficiency, governance simplification, and sustainable network evolution. While no financial figures are disclosed here, consolidating tower agreements can influence future lease expense visibility and negotiation leverage.
The notice also highlights complementary paths: further contract negotiations, infrastructure sharing, and a “MAKE” model where TIM may build its own sites. The actual financial and competitive impact will depend on detailed commercial terms and execution of these initiatives, which TIM indicates will be reported in future updates.
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: January 21, 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 – 12th 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
TIM announces agreement with American Tower seeking sustainability and evolution of its mobile network
TIM S.A. ("TIM" or "Company") (B3: TIMS3; NYSE: TIMB), in accordance with article 157 of Law No. 6,404 and the provisions of CVM Resolution No. 44/21, hereby informs its shareholders, the market in general and other interested parties that, as of today, the Company's Board of Directors approved the execution of a new strategic agreement ("Agreement") with American Tower do Brasil - Cessão de Infraestruturas S.A. ("ATC") that redefines the framework of the partnership between the parties.
The Agreement covers the entire park that makes up the current relationship between TIM and ATC, totaling approximately 9,000 towers, which represents about 30% of TIM's entire infrastructure. The new framework consolidates all previous contracts into one, unifying the term until 2034.
The negotiation brings simplification and greater efficiency to the management of the infrastructure park, with emphasis on the following benefits:
| • | Updating and aligning contractual clauses with current market conditions, providing greater sustainability and predictability of expenses; |
| • | Consolidation and unification of rules and contractual aspects, reducing the burden of administrative activities and improving the management process; |
| • | Predictability for new projects with flexibility to implement solutions that meet the network development plan. |
The initiative represents a relevant step in the long-term relationship between TIM and ATC, reinforcing the Company's continuous commitment to operational efficiency, simplification of governance and sustainable evolution of the network. The Agreement is part of TIM's Lease Efficiency Plan ("Efficiency Plan") that has been communicated to the market over the last few quarters and supports the achievement of the objectives and goals that make up the Company's strategic plan.
The Company will keep its shareholders and the market in general informed, pursuant to CVM Resolution No. 44 and the applicable legislation, about the relevant updates related to the Efficiency Plan, which includes (i) other contractual negotiation initiatives, (ii) evolution of the infrastructure sharing project, and (iii) "MAKE" model initiatives[1].
Rio de Janeiro, January 21, 2026.
TIM S.A.
Vicente de Moraes Ferreira
Investor Relations Officer
[1] The MAKE model refers to the construction of one's own sites with or without the help of third parties/partners in the process.
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: January 21, 2026 | By: | /s/ Alberto Mario Griselli | |
| Alberto Mario Griselli | |||
| Chief Executive Officer, Chief Financial Officer and Investor Relations Officer | |||
FAQ
What agreement did TIMB (TIM S.A.) announce with American Tower?
TIM S.A. announced that its Board of Directors approved a new strategic agreement with American Tower do Brasil, redefining the framework of their partnership for mobile network infrastructure.
How much of TIMB’s infrastructure is covered by the new American Tower agreement?
The agreement covers approximately 9,000 towers, which TIM states represent about 30% of the company’s entire infrastructure.
What is the duration of TIMB’s new agreement with American Tower?
The new agreement consolidates all previous contracts into a single framework and unifies the term until 2034, creating a long-dated structure for this portion of TIM’s network.
How does this agreement fit into TIMB’s Lease Efficiency Plan?
TIM explains that the agreement is part of its Lease Efficiency Plan, supporting objectives in its strategic plan focused on operational efficiency, governance simplification, and sustainable network evolution.
What other initiatives are included in TIMB’s Lease Efficiency Plan?
The plan includes (i) other contractual negotiation initiatives, (ii) the evolution of infrastructure sharing projects, and (iii) “MAKE” model initiatives where TIM may construct its own sites with or without partners.
What is the “MAKE” model mentioned by TIMB?
TIM defines the MAKE model as the construction of its own sites, either independently or with the help of third parties or partners in the process, as part of its network strategy.
