Martin Andres Heine - 16 Mar 2026 Form 3 Insider Report for TELECOM ARGENTINA SA (TEO)

Role: Director of Digital Growth and Fintech. Exhibit List: Exhibit 24 - Power of Attorney
Signature: /s/ Luis Fernando Rial Ubago, Attorney-in-fact
Issuer symbol: TEO
Transactions as of: 16 Mar 2026
Net transactions value: $0
Form type: 3
Filing time: 16 Mar 2026, 21:45:26 UTC
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Heine Martin Andres	Director of Digital Growth and Fintech. Exhibit List: Exhibit 24 - Power of Attorney	GENERAL HORNOS 690, BUENOS AIRES, ARGENTINA	/s/ Luis Fernando Rial Ubago, Attorney-in-fact	16 Mar 2026	0002118333

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
holding	TEO	Class B Shares						34,500	16 Mar 2026	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The securities reported herein are held in the form of 6,900 American Depository Receipts ("ADRs"). Each ADR represents five Class B shares.

Remarks:

Director of Digital Growth and Fintech. Exhibit List: Exhibit 24 - Power of Attorney