CIEX No. 51/2021: Operating Hours for December 24 and 31, 2021

Calle Ayacucho esquina Mercado - Teléfono: (591-2) 2409090 - Fax: (591-2) 2661590 www.bcb.gob.bo - bancocentraldebolivia@bcb.gob.bo - La Paz – Bolivia EXTERNAL CIRCULAR La Paz, December 23, 2021 CIEX No. 51/2021 FROM: GENERAL MANAGEMENT FINANCIAL ENTITIES MANAGEMENT TO: MINISTRY OF ECONOMY AND PUBLIC FINANCES, FINANCIAL ENTITIES, PUBLIC AND PRIVATE ENTITIES, AND PARTICIPANTS IN THE INTEGRATED PAYMENT LIQUIDATION SYSTEM (LIP) SUBJECT: OPERATING HOURS FOR DECEMBER 24 AND 31, 2021

Gentlemen: The Central Bank of Bolivia communicates that, in accordance with the schedule established by Communication No. 047/21 of the Ministry of Labor, Employment and Social Security, operations for December 24 and 31, 2021, will be subject to the following schedule:

No. TYPE OF OPERATION SCHEDULE 1 Fund Transfer Requests to and from Abroad (Financial System) Until 12:30 2 Sale of USD during the day 10:00 to 12:00 3 Sale of USD through the Exchange Until 12:30 4 Sale of BUSA dollars on behalf of the BCB Until 12:00 5 Report of USD sales in the BUSA Until 12:30 6 Direct Attention Sale of Securities at the BCB Until 13:00 7 Submission of checks and/or Payment Orders from Financial Intermediation Entities to the Sub-Management of Analysis and Monetary Material Programming Until 11:00 8 Monetary Material Deposits Monetary Material Withdrawals Until 11:00 Until 12:00 9 Deposits with Third-Party Checks Until 10:15 10 Public Counter Service Until 13:30 11 LIP Transfers for Sale of Securities to Individuals Until 16:00 12 Fund Transfers to the CUT; T01; T02; E18; E46, E49, E73, E75 and E76 Until 13:00 13 Fund Transfers from Current and Reserve Accounts, Reserve Account and Liquidity Credits for LIP participants declared in contingency (Documentary) Until 12:30

Calle Ayacucho esquina Mercado - Teléfono: (591-2) 2409090 - Fax: (591-2) 2661590 www.bcb.gob.bo - bancocentraldebolivia@bcb.gob.bo - La Paz – Bolivia No. TYPE OF OPERATION SCHEDULE 14 Written Requests for:

• Credit to current and/or reserve accounts at the request of the last holders for the payment of public securities maturity and/or early cancellations.
• Authorization of debit by the Clearing Bank for placement of allocated securities for financial entities that do not have accounts at the BCB.
• Authorization of credit and/or debit by the Clearing Bank for Repo operations with the BCB. Until 12:00 Until 12:00 Until 12:00 15 Written communication from the EDV of:
• List of dematerialized public securities to be paid.
• Communication of maturities of dematerialized public securities with list of last holders to be paid.
• Report of cancellation of dematerialized public securities. Until 12:00 Until 12:00 Until 12:00 16 Custody Fund Operations (F01 and F03) Until 12:00 17 Custody Fund Provision (F02) Until 11:30 18 Reversal of unwithdrawn custody funds (F04) Until 12:30 19 Custody Fund Reports via MIPRE Until 13:00 20 Fiscal Account Reports – National Consolidated (CAF 03 and Annex 3X) Until 12:30 21 Treasury Payment System (SPT) Operations
• SPT Asynchronous
• SPT Batches 08:00 to 13:00 08:00 to 12:45 22 Financial System Requests for transfer to TGN accounts Until 12:30 23 TGN Requests for credit to Current and Legal Reserve Accounts and Fiscal Current Accounts at Banco Unión Until 12:30 24 Transfer of Tax and Customs Collection Funds in National and Foreign Currency via LIP (E04 Tax, E05 Customs and E15 IDH) Until 12:00

ACCL Operations (CCC-ACH) Long Cycle: 25 PMND Payment (E17) 09:00 to 09:45 26 PMNA Payment (E08) 09:45:01 to 10:25 27 Submission of Uncovered PMND ACCL Schedule Report (M03) 09:45:01 to 10:00 First Cycle: 28 PMND Limit Increase (E07) 09:00 to 11:00 29 PMND Payment (E17) 11:05 to 11:20 30 PMNA Payment (E08) 11:20:01 to 11:45 31 Submission of Uncovered PMND ACCL Schedule Report (M03) 11:20:01 to 11:30 Second Cycle: 32 PMND Limit Increase (E07) 11:10 to 12:00 33 PMND Payment (E17) 12:05 to 12:10

Calle Ayacucho esquina Mercado - Teléfono: (591-2) 2409090 - Fax: (591-2) 2661590 www.bcb.gob.bo - bancocentraldebolivia@bcb.gob.bo - La Paz – Bolivia No. TYPE OF OPERATION SCHEDULE 34 PMNA Payment (E08) 12:10:01 to 12:30 35 Submission of Uncovered PMND ACCL Schedule Report (M03) 12:10:01 to 12:15 Delayed Settlement Module (MLD) Operations Long Cycle: 36 PMND Payment (E43) 09:00 to 09:45 37 PMNA Payment (E44) 09:45:01 to 10:25 38 Submission of Uncovered PMND MLD Schedule Report (M07) 09:45:01 to 10:00 First Cycle: 39 PMND Limit Increase (E42) 09:00 to 11:00 40 PMND Payment (E43) 11:05 to 11:20 41 PMNA Payment (E44) 11:20:01 to 11:45 42 Submission of Uncovered PMND MLD Schedule Report (M07) 11:20:01 to 11:30 Second Cycle: 43 PMND Limit Increase (E42) 11:10 to 12:00 44 PMND Payment (E43) 12:05 to 12:10 45 PMNA Payment (E44) 12:10:01 to 12:30 46 Submission of Uncovered PMND MLD Schedule Report (M07) 12:10:01 to 12:15 UNILINK Operations Long Cycle: 47 PMND Payment (E39) 09:00 to 09:45 48 PMNA Payment (E40) 09:45:01 to 10:25 49 Submission of Uncovered PMND UNILINK Schedule Report (M06) 09:45:01 to 10:00 First Cycle: 50 PMND Limit Increase (E41) 09:00 to 11:00 51 PMND Payment (E39) 11:05 to 11:20 52 PMNA Payment (E40) 11:20:01 to 11:45 53 Submission of Uncovered PMND UNILINK Schedule Report (M06) 11:20:01 to 11:30 Second Cycle: 54 PMND Limit Increase (E41) 11:10 to 12:00 55 PMND Payment (E39) 12:05 to 12:10 56 PMNA Payment (E40) 12:10:01 to 12:30 57 Submission of Uncovered PMND UNILINK Schedule Report (M06) 12:10:01 to 12:15 ACCL-MLD-UNILINK Operations Long Cycle: 58 Net Multilateral Position Payment (E47) MLD-ACH-UNILINK 10:00:01 to 10:05 59 Submission of Uncovered MLD-ACH-UNILINK PMND Schedule (M08) 10:05:01 to 10:15 First Cycle: 60 Net Multilateral Position Payment (E47) MLD-ACH-UNILINK 11:30:01 to 11:35

Calle Ayacucho esquina Mercado - Teléfono: (591-2) 2409090 - Fax: (591-2) 2661590 www.bcb.gob.bo - bancocentraldebolivia@bcb.gob.bo - La Paz – Bolivia No. TYPE OF OPERATION SCHEDULE 61 Submission of Uncovered MLD-ACH-UNILINK PMND Schedule (M08) 11:35:01 to 11:40 Second Cycle: 62 Net Multilateral Position Payment (E47) MLD-ACH-UNILINK 12:15:01 to 12:20 63 Submission of Uncovered MLD-ACH-UNILINK PMND Schedule (M08) 12:20:01 to 12:25 EDV, ATC, LINKSER and EATE Operations 64 PMND Payment EDV (E02) – Single Cycle 09:00 to 13:00 65 PMNA Payment EDV (E03) – Single Cycle 10:00 to 13:00 66 Economic Rights Payment to EDV (E77) 07:30 to 13:00 67 PMND Limit Increase ATC (E14) – (Single Cycle) 10:30 to 11:00 68 PMND Payment ATC (E12) – Single Cycle 11:00 to 11:30 69 PMNA Payment ATC (E13) – Single Cycle 11:30 to 12:00 70 Uncovered PMND ATC Settlement Schedule: (M04) – Single Cycle 11:30 to 12:00 71 PMND Limit Increase LINKSER (E38) – (Single Cycle) 09:01 to 09:55 72 PMND Payment LINKSER (E36) – Single Cycle 10:00 to 11:30 73 PMNA Payment LINKSER (E37) – Single Cycle 11:31 to 13:00 74 Uncovered PMND LINKSER Settlement Schedule: (M05) – Single Cycle 11:31 to 12:00 ATC - LINKSER Bilateral Settlement Operations 75 EATE PMND Payment (E79) – Single Cycle 11:31 to 12:00 76 Uncovered PMND Schedule – Card Settlement: (M10) – Single Cycle 12:01 to 12:30 77 Stage II Registration (E24) Until 12:00 78 Credit Portfolio Purchase – Financial Entities (E32) Until 12:00 79 LIP Operations 07:30 to 13:00

The External Circulars SGDB No. 061/2015 dated December 22, 2015, SGDB No. 044/2018 dated December 24, 2018, CIEX No. 77/2019 dated December 20, 2019, and CIEX No. 60/2020 dated December 23, 2020 are hereby repealed.

Sincerely. DIGITALLY SIGNED DOCUMENT Rolando Sergio Colque Soldado FINANCIAL ENTITIES MANAGER Rubén Gonzalo Ticona Chique GENERAL MANAGER Validate digital signatures at validar.firmadigital.bo RGTCH/RSCS/ropr/tet/mscv/opqn/sta/ampm/mnlc