Telecom Argentina faces court-ordered outage refunds

An Argentine appellate court kept Telecom Argentina free of compensatory liability but ordered proportional reimbursement to users for a 2015 service outage.

Rhea-AI Filing Summary

Telecom Argentina S.A. (TEO) reports a new ruling from the Federal Court of Appeals of Tucumán in the class action “Asociación de Consumidores del NOA versus Telecom Personal S.A. Re. Consumers´ Defense Law,” docket 15065/2016, related to a service outage on March 3, 2015.

The Court of Appeals upheld the lower court’s rejection of compensatory liability attributed to Telecom Argentina but reversed the decision regarding proportional reimbursement, ordering reimbursement to users of the price corresponding to the service not provided during the outage.

Key Figures

Docket number: 15065/2016 Service outage date: March 3, 2015 Prior material event date: December 2, 2025 +1 more

4 metrics

Docket number 15065/2016 Case Asociación de Consumidores del NOA versus Telecom Personal S.A.

Service outage date March 3, 2015 Outage underlying the Consumers´ Defense Law case

Prior material event date December 2, 2025 Earlier market disclosure referenced by the company

Form 6-K signing date September 11, 2026 Date the report was signed on behalf of Telecom Argentina

Key Terms

Consumers´ Defense Law, compensatory liability, proportional reimbursement, Federal Court of Appeals of Tucumán

4 terms

Consumers´ Defense Law regulatory

"Re. Consumers´ Defense Law” in the case caption"

compensatory liability regulatory

"rejected the compensatory liability attributed to Telecom Argentina"

proportional reimbursement financial

"rejected the proportional reimbursement to users of the price"

Federal Court of Appeals of Tucumán regulatory

"the ruling issued by the Federal Court of Appeals of Tucumán"

FAQ

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

What legal update did Telecom Argentina (TEO) disclose in this Form 6-K?

Telecom Argentina disclosed that the Federal Court of Appeals of Tucumán partially granted an appeal in the case “Asociación de Consumidores del NOA versus Telecom Personal S.A.,” modifying the earlier judgment only with respect to proportional reimbursement for a March 3, 2015 service outage.

How did the appeals court rule on Telecom Argentina’s compensatory liability?

The Federal Court of Appeals of Tucumán confirmed the lower court’s rejection of compensatory liability attributed to Telecom Argentina for the March 3, 2015 service outage, leaving that part of the original judgment unchanged.

What did the court decide regarding reimbursements to Telecom Argentina users?

The court reversed the lower court’s rejection of proportional reimbursement and ordered reimbursement to users of the price corresponding to the service not provided during the March 3, 2015 outage.

Which case involving TEO is referenced, and what is its docket number?

The referenced case is “Asociación de Consumidores del NOA versus Telecom Personal S.A. Re. Consumers´ Defense Law,” with docket number 15065/2016, before the Federal Court of Appeals of Tucumán.

Does this 6-K mention a prior disclosure by Telecom Argentina (TEO)?

Yes. Telecom Argentina notes that this report follows up on a material event published on December 2, 2025, indicating that the company had previously informed the market about developments in this legal proceeding.

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

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Available on EDGAR 09/11/2026 - 03:35 PM Accepted by SEC EDGAR 09/11/2026 - 03:35 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

of the Securities Exchange Act of 1934

For the month of September 2026

Commission File Number: 001-13464

Telecom Argentina S.A.

(Translation of registrant’s name into English)

General Hornos, No. 690, 1272

Buenos Aires, Argentina

(Address of principal executive offices)

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 x Form 40-F ¨

Telecom Argentina S.A.

TABLE OF CONTENTS

Item

1. English translation of letter dated September 11, 2026, to the Argentine Securities & Exchange Commission (Comisión Nacional de Valores)

FREE TRANSLATION   Buenos Aires, September 11, 2026   Comisión Nacional de Valores  

Re.: Report on decision of Federal Court of Appeals of Tucuman in the case entitled “Asociación de Consumidores del NOA versus Telecom Personal S.A. Re. Consumers´ Defense Law” Docket: 15065/2016

Dear Sirs,

I am writing to you in my capacity as Attorney-in-Fact of Telecom Argentina S.A. (“Telecom Argentina” or the “Company”), following up on the material event published on December 2nd, 2025.

We hereby inform you that the Company has been notified of the ruling issued by the Federal Court of Appeals of Tucumán that partially granted the appeal filed by the Asociación de Consumidores del NOA against the sentence of Federal Court No. 1 of Tucumán, which had ruled against the action brought by said Association.

In this respect, the Federal Court of Appeals of Tucumán confirmed the trial court’s judgment insofar as it rejected the compensatory liability attributed to Telecom Argentina for the service outage that occurred on March 3, 2015, and reversed it solely insofar as it rejected the proportional reimbursement to users of the price corresponding to the service not provided during the aforementioned outage.

Sincerely, 

Telecom Argentina S.A.

/s/Andrea V. Cerdán

Attorney-in-Fact

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.

		Telecom Argentina S.A.
Date:	September 11, 2026	By:	/s/ Luis Fernando Rial Ubago
			Name:	Luis Fernando Rial Ubago
			Title:	Responsible for Market Relations