CAPITAL INJECTION INTO GUARANTY TRUST BANK LTD.

Guaranty Trust Holding Company plc

ANNOUNCEMENT OF CAPITAL INJECTION INTO GUARANTY TRUST BANK LIMITED

Lagos, London - August 29, 2025: Guaranty Trust Holding Company Plc (NGX: GTCO; LSE: GTCO) (the "Company") announces that the Company has increased its investment in its wholly owned subsidiary, Guaranty Trust Bank Limited ("GTBank" or the "Bank") through the issue and allotment of 6,994,050,290 ordinary shares of fifty kobo each made by the Bank to the Company by way of a rights issue, for a total consideration of ₦365,850,403,572.67 (the "Capital Injection").

Following the Capital Injection, the Company continues to hold 100% of the entire issued and paid-up share capital of the Bank. None of the Directors of the Company has any interest, direct or indirect, in the Bank.

The Capital Injection was funded by the two-phased equity capital raising programme approved by the Company's Shareholders at its 2024 Annual General Meeting and subsequently executed in line with the approvals obtained from the relevant regulatory authorities.

Through this Capital Injection, the share capital of GTBank has been increased from N138,186,703,485.78 to N504,037,107,058.45 and ensures the Bank's compliance with the new minimum capital requirement for commercial banks with international authorisation stipulated by the Central Bank of Nigeria.

The additional equity capital will be deployed by GTBank primarily for branch network expansion and asset growth (loans/advances and investment securities portfolio), fortification of its information technology infrastructure and to leverage emerging opportunities in Nigeria and the operating environments where it maintains banking presence.

The legal entity identifier of the Company is 0292004488G9K8Y1I649.

Thank you.

For: GUARANTY TRUST HOLDING COMPANY PLC

ERHI OBEBEDUO

Group General Counsel/

Company Secretary

Media Enquiries

GTCO

Oyinade Adegite

ir@gtcoplc.com

+234 07001 238239