Circular RUNOR 1-1950 R.I. ATM Networks

"2026 - YEAR OF ARGENTINE GREATNESS" COMMUNICATION “A” 8409 16/03/2026 TO THE ATM NETWORKS: Ref.: Circular RUNOR 1-1950: R.I. ATM Networks

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We address you regarding the provisions disseminated in Communication A 8376 related to the reporting regime referenced herein. In this regard, we provide you with the annexed consolidated text of Section 83 of “Submission of Information to the Central Bank”, which contains the respective operational instructions. It is highlighted that this requirement will take effect for information corresponding to the period of July 2026, with a deadline operating on 22/08/2026. We greet you cordially. CENTRAL BANK OF THE ARGENTINE REPUBLIC Rodrigo J. Danessa Estela M. del Pino Suárez Signature 2 Principal Manager of Reporting Regime and Information Hubs Deputy General Manager of Reporting Regime and Protection for Users of Financial Services Functional Position ANEXO

83.1. General Instructions. The information included in this section is of monthly frequency and will be recorded in variable-length files named “ATMSARGENTINA.TXT”, “ATMSEXTERIOR.TXT” and “CAJEROSNOBANCARIOS.TXT”, which will contain the data according to the record designs inserted in point 83.3, taking into account what is provided in point 1.2.3.1. of Section 1 of “Submission of Information to the Central Bank”. Submission will be carried out through the “MFT File Transfer Service”, according to the instructions in point 1.2.2. of the aforementioned regulation. Validation process results will be available as provided in point 1.2.4. of the aforementioned regulation. At the time of submitting the information, code 114 will be used in the “DETALLE.XML” file to identify this regime and code 1 for the requirement code. It is highlighted that this requirement will not accept the “OPERA=FALSE” option in the “DETALLE.XML” file.

83.2. Particular Instructions. In the “ATMSARGENTINA.TXT” and “ATMSEXTERIOR.TXT” files, transactions must be reported by totaling the fields “Total number of operations”/“Total number of withdrawals” and “Total amount by currency of origin” for the month's transactions covered under Sections A and B of Section II – Particular Instructions of the NP. The “ATMSEXTERIOR.TXT” file must only be submitted by networks that have associated financial entities. In the “CAJEROSNOBANCARIOS.TXT” file, transactions must be reported by totaling the field “Total number of automated teller machines” according to Section C of the aforementioned section.

83.3. Record Design. B.C.R.A. SUBMISSION OF INFORMATION TO THE CENTRAL BANK Section 83. R.I. ATM Networks. Version: 1st COMMUNICATION “A” 8409 Validity: 01/07/2026 Page 1

B.C.R.A. SUBMISSION OF INFORMATION TO THE CENTRAL BANK Section 83. R.I. ATM Networks. Designation: “ATMSARGENTINA.TXT” SECTION A Sheet 1 of 2 | N° | Field | Name | Type | Max Length (1) | Observations | | 1 | CUIT of the ATM owner for the operation | Numeric | 11 | According to point 1 of SECTION A of the NP. | | 2 | Code of the payment instrument used / received | Numeric | 3 | According to Table 1 of the NP. | | 3 | Payment scheme code | Numeric | 5 | According to Table 2 of the NP. Integrated when field “Code of payment instrument used / received” contains codes 101, 102 or 103. Remaining codes are integrated with null value (;;). | | 4 | Card issuance place / debited entity | Numeric | 2 | 01 = Argentina; 02 = Foreign | | 5 | CUIT of the entity that issued the card to the client / debited entity | Numeric | 11 | According to point 5 of SECTION A of the NP. Only when field “Card issuance place / debited entity” = 01. Remaining cases are integrated with null value (;;). | | 6 | ATM network code for debit card | Numeric | 3 | According to Table 3 of the NP. Integrated with code 301 or 302 when field “Code of payment instrument used / received” = 102, 121, 131 or 199 and field “Card issuance place / debited entity” = 01. Remaining cases are integrated with code 999. | (1) The delimiter “;” must be used as a field separator.

B.C.R.A. SUBMISSION OF INFORMATION TO THE CENTRAL BANK Section 83. R.I. ATM Networks. Designation: “ATMSARGENTINA.TXT” SECTION A Sheet 2 of 2 | N° | Field | Name | Type | Max Length (1) | Observations | | 7 | Operation type | Numeric | 2 | 01 = Withdrawal; 02 = Deposit | | 8 | Currency of origin | Character | 3 | According to SWIFT Country Codes encoding. | | 9 | Total number of operations | Numeric | 11 | In whole units. | | 10 | Total amount by currency of origin | Numeric | 15 | In thousands without decimals. | (1) The delimiter “;” must be used as a field separator.

B.C.R.A. SUBMISSION OF INFORMATION TO THE CENTRAL BANK Section 83. R.I. ATM Networks. Designation: “ATMSEXTERIOR.TXT” SECTION B Sheet 1 of 1 | N° | Field | Name | Type | Max Length (1) | Observations | | 1 | CUIT of the debited financial entity | Numeric | 11 | According to point 1 of SECTION B of the NP. | | 2 | Payment scheme code | Numeric | 5 | According to Table 2 of the NP. | | 3 | Currency of origin | Character | 3 | According to SWIFT Country Codes encoding. | | 4 | Total number of withdrawals | Numeric | 11 | In whole units. | | 5 | Total amount by currency of origin | Numeric | 15 | In thousands without decimals. | (1) The delimiter “;” must be used as a field separator.

B.C.R.A. SUBMISSION OF INFORMATION TO THE CENTRAL BANK Section 83. R.I. ATM Networks. Designation: “CAJEROSNOBANCARIOS.TXT” SECTION C Sheet 1 of 1 | N° | Field | Name | Type | Max Length (1) | Observations | | 1 | CUIT of the ATM owner | Numeric | 11 | According to point 1 of SECTION C of the NP. | | 2 | Province where devices are located | Numeric | 3 | According to Table 4 of the NP. | | 3 | Total number of automated teller machines | Numeric | 11 | In whole units. | (1) The delimiter “;” must be used as a field separator.

83.4. Validation Error Table. | Código | Leyenda | Causa | | 01 | FILE “ATMSARGENTINA.TXT” OR “ATMSEXTERIOR.TXT” OR “CAJEROSNOBANCARIOS.TXT” NOT FOUND | - Reference file was omitted from recording (not applicable to “ATMSEXTERIOR.TXT”) or the reported file does not match the record design, or<br>- “OPERA=FALSE” was declared in the “DETALLE.XML” file. | | 02 | SUBJECT CODE INCORRECTLY REPORTED | The subject code does not correspond to one authorized for this regime. | | 03 | INFORMATION DATE INCORRECT OR ADVANCED | - Information corresponding to a non-existent date was submitted, or<br>- A period was reported without the previous one being valid. | | 04 | INFORMATION ALREADY SUBMITTED AND ACCEPTED | Information corresponding to a validated period was submitted. | | 05 | INCORRECTLY REPORTED CORRECTIVE INFORMATION | Corrective information corresponding to a non-validated period was submitted. | | 06 | FORMAT ERROR – RECORD XXX | - The “XXXXX.TXT” file(s) do not respect the instructions provided in point 83.1.<br>- The detailed fields were not recorded according to the record design in point 83.3, as follows:<br>Design | Field | Admitted Value<br>“ATMSARGENTINA.TXT” | 2, 3 and 6 | Admitted codes according to NP tables.<br>4 and 7 | Admitted codes according to point 83.3<br>8 | Admitted code according to SWIFT Country Codes table<br>9 and 10 | Numeric values: - Does not admit zero (0) - Does not admit negative sign “-”<br>“ATMSEXTERIOR.TXT” | 2 | Admitted codes according to NP Table 2.<br>3 | Admitted code according to SWIFT Country Codes table<br>4 and 5 | Numeric values: - Does not admit zero (0) - Does not admit negative sign “-”<br>“CAJEROSNOBANCARIOS.TXT” | 2 | Admitted codes according to NP Table 4.<br>3 | Numeric values: - Does not admit zero (0) - Does not admit negative sign “-” | | 07 | INCORRECTLY REPORTED CUIT | The reported identification number does not correspond to a valid Unique Tax Identification Key (CUIT). | | 08 | “CODE OF PAYMENT INSTRUMENT USED / RECEIVED” INCONSISTENT INFORMATION - FILE “ATMSARGENTINA.TXT” | For the referenced record, fields were not integrated with admitted values as follows:<br>CODE OF PAYMENT INSTRUMENT USED / RECEIVED | CODE OF PAYMENT SCHEME | CARD ISSUANCE PLACE / DEBITED ENTITY<br>101, 102 or 103 | Admitted code different from 99999 | 01<br>121, 131 or 199 | Null value “;;” | 01 or 02 | | 09 | “CARD ISSUANCE PLACE / DEBITED ENTITY” INCONSISTENT INFORMATION - FILE “ATMSARGENTINA.TXT” | For the referenced record, fields were not integrated with admitted values as follows:<br>CARD ISSUANCE PLACE / DEBITED ENTITY | CODE OF PAYMENT INSTRUMENT USED | CUIT ISSUING / DEBITED ENTITY | ATM NETWORK CODE<br>01 | 102, 121, 131, 199 | CUIT | 301 or 302<br>01 | 101 or 103 | CUIT | 999<br>02 | Admitted code | Null value “;;” | 999 | | 10 | DUPLICATE NOVELTY | File “ATMSARGENTINA.TXT”<br>More than one record with identical combination of fields 1 to 8 was reported.<br>File “ATMSEXTERIOR.TXT”<br>More than one record with identical combination of fields 1 to 3 was reported.<br>File “CAJEROSNOBANCARIOS.TXT”<br>More than one record with identical combination of fields 1 and 2 was reported.