Circular Letter No. 01/2026, dated May 5

CIRCULAR LETTER NO. 01/2026 SUBJECT: FINANCIAL SYSTEM − Financial Relief Measures for Companies Affected by Natural Disasters.

Following the financial relief measures intended for companies and families demonstrably affected by natural disasters that have occurred in the Country since the beginning of 2026, in accordance with Instruction No. 01/26, of April 24;

Considering the need to adopt additional financial relief measures for companies operating within national territory, demonstrably affected by the aforementioned natural disasters;

The National Bank of Angola makes available, for the aforementioned companies, the following Financial Relief Measures:

1. Definitive purchase line for National Currency Bonds (OT – MN);
2. Definitive purchase line for Foreign Currency Bonds (OT – ME);
3. Forward foreign exchange sales line.

For the purpose of accessing the Financial Relief Measures, companies demonstrably affected must observe the terms and conditions contained in Annexes I, II, and III of this Circular Letter.

Luanda, May 5, 2026.

MARKETS DEPARTMENT

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Tania Patrícia de Oliveira Mendes Lopes -Director-

CONTINUATION OF CIRCULAR LETTER NO. 01/2026 page 2 of 4

ANNEX I DEFINITIVE PURCHASE LINE FOR NATIONAL CURRENCY BONDS (OT- MN)

Available Amount: AOA 30 Billion

Purpose Purchase of Non-Adjustable National Treasury Bonds (OTNR) with the objective of generating liquidity in national currency for companies and fostering economic activity.

Line Usage Period

1. The line will be available until: a. 6 months from the date of publication of the terms and conditions; or b. The total utilization of the available amount.
2. The National Bank of Angola may extend the usage period or adjust conditions, if there is justification for such.

Eligible Entities: Companies operating within national territory demonstrably affected by natural disasters in accordance with Instruction No. 01/26, of April 24.

Eligible Bonds

1. Non-Adjustable Treasury Bonds (OTNR).
2. Year of issuance: 2022 - 20251.
3. Residual maturity: up to 4 years.
4. That are not securing credit operations.

Maximum Amount per Company Up to AOA 500,000,000.00 (five hundred million Kwanzas)

Trading Conditions The National Bank of Angola will acquire the OTNR at par, provided that the yield to maturity is equal to or greater than 18%. Or, if not, at a discount so as to ensure a yield up to 18%.

Access Procedures

1. Companies must express their interest in selling their bonds through their banking financial institutions.
2. Banking financial institutions must: a. Verify the eligibility of the company and the bonds; b. Within 1 business day, send the proposals to the National Bank of Angola.
3. The National Bank of Angola evaluates the request and responds to the solicitation through the banking financial institutions.
4. The National Bank of Angola and the banking financial institution ensure the transfer of the bonds through SIGMA, with the respective financial settlement processed in SPTR.
5. The charging of other commissions beyond the defined one is prohibited.

Applicable Commission: 0.1%

Information The National Bank of Angola informs banking financial institutions and the market if the following conditions occur: a. Total utilization of the available amount before the deadline; b. Extension of the deadline or increase in the line amount.

Clarification of Doubts: Markets Department: dme@bna.ao 1 Other maturities are subject to the approval of the National Bank of Angola.

CONTINUATION OF CIRCULAR LETTER NO. 01/2026 page 3 of 4

ANNEX II DEFINITIVE PURCHASE LINE FOR FOREIGN CURRENCY BONDS (OT- ME)

Available Amount: USD 25 Million

Purpose Purchase of National Treasury Bonds in Foreign Currency (OTME) with the objective of generating liquidity in foreign currency for companies and fostering economic activity.

Line Usage Period

1. The line will be available until: a. 6 months from the date of publication of the terms and conditions; or b. Total utilization of the available amount.
2. The National Bank of Angola may extend the usage period or adjust conditions, if there is justification for such.

Eligible Entities: Companies operating within national territory demonstrably affected by natural disasters, in accordance with Instruction No. 01/26, of April 24.

Eligible Bonds

1. Non-Adjustable Treasury Bonds (OTME).
2. Year of issuance: 2022 - 20252.
3. Residual maturity: up to 4 years.
4. That are not securing credit operations.

Maximum Amount per Company: Up to USD 500,000.00 (five hundred thousand US dollars).

Trading Conditions The National Bank of Angola will acquire the OTME at par, provided that the yield to maturity is equal to or greater than 5%. Or, if not, at a discount so as to ensure a yield up to 5%.

Access Procedures

1. Companies must express their interest in selling their bonds through their banking financial institutions.
2. Banking financial institutions must: a. Verify the eligibility of the company and the bonds; b. Within 1 business day, send the proposals to the National Bank of Angola.
3. The National Bank of Angola evaluates the request and responds to the solicitation through the banking financial institution.
4. The National Bank of Angola and the banking financial institution ensure the transfer of the bonds through SIGMA, with the respective financial settlement processed through the counterparty credit to be indicated by the bank.
5. The charging of other commissions beyond the defined one is prohibited.

Applicable Commission: 0.1%

Information The National Bank of Angola informs banking financial institutions and the market if one of the following conditions occurs: a. Total utilization of the available amount before the deadline; b. Extension of the deadline or increase in the line amount.

Clarification of Doubts: Markets Department – dme@bna.ao 2 Other maturities are subject to the approval of the National Bank of Angola.

CONTINUATION OF CIRCULAR LETTER NO. 01/2026 page 4 of 4

ANNEX III FORWARD FOREIGN EXCHANGE SALES LINE

Line Amount: USD 30 Million or the equivalent in euros.

Purpose Forward foreign currency sales, with the objective of making foreign currency liquidity available to economic agents for the replacement of equipment and raw materials.

Line Usage Period

1. The line will be available until: a. 6 months from the date of publication of the terms and conditions; or b. Total utilization of the available amount.
2. The National Bank of Angola may extend the usage period or adjust conditions, if there is justification for such.

Maturity: 7 days

Eligible Entities: Companies operating within national territory affected by natural disasters, in accordance with Instruction No. 01/26, of April 24.

Maximum Amount per Company Up to USD 500,000.00 (five hundred thousand US dollars), or the equivalent in euros.

Trading Conditions Operations will be carried out in the form of quantity auctions on the Bloomberg FXGO platform, through the AUPD command, considering the average exchange rate of the BMatch closing of the day prior to the auction date.

Access Procedures

1. Companies must express their interest in purchasing foreign exchange through their banking financial institutions.
2. Auctions will be held on Tuesdays at 9:00 AM.
3. Banking financial institutions submit requests specifying the currency EUR or USD by Friday of the week preceding the intended auction.
4. The National Bank of Angola evaluates the request and confirms to the banking financial institutions the amount to be executed, 1 business day before the auction takes place.
5. For foreign exchange sales operations under this Line, and considering its purpose, banking financial institutions must refrain from practicing speculative or abusive spreads in the pass-through of the currency to the targeted entities.

Information The National Bank of Angola informs banking financial institutions and the market if the following conditions occur: a. Total utilization of the line before the deadline; b. Extension of the deadline or increase in the line amount.

Clarification of Doubts: Markets Department – dme@bna.ao