Prepayment proceeds of c. £31.5 million received

GCP Infrastructure Investments Ltd

17 August 2026

GCP Infrastructure Investments Limited

("GCP Infra" or the "Company")

LEI: 213800W64MNATSIV5Z47

Prepayment proceeds of c. £31.5 million received

17 August 2026

Prepayment

The Company is pleased to announce that a borrower to which the Company has extended a loan secured against a portfolio of operational renewable energy projects in the UK (the "Loan") has repaid in full the c. £31.5 million outstanding under the Loan. The original maturity of the Loan was June 2035, but repayment was brought forward by agreement with the Company following a change of control. This is materially in line with the valuation of such investment incorporated into the Company's net asset value as at 30 June 2026. The Loan was one of the Company's lower returning investments, relative to the Company's average annualised portfolio interest rate of 8.0% as at 30 June 2026. Cash proceeds of the repayment will be used in line with the Company's published capital allocation policy.

The Company also confirms that, in line with the announcement on 20 July 2026, the supported social housing disposal is still expected to complete in the coming months, and that the Company's revolving credit facility ("RCF") remains fully undrawn.

Capital allocation

Any excess cash balance will continue to be applied in accordance with the framework that the Company has set out for use of cash. At the prevailing discount at which the Company's ordinary shares trade to the Company's net asset value per ordinary share, such excess cash balance will be used to continue the Company's share buyback programme.

For further information please contact:

Gravis Capital Management Limited Philip Kent Robyn MacHugh Cameron Gardner	+44 (0)20 3405 8500
RBC Capital Markets Matthew Coakes Elizabeth Evans Sahil Suleman	+44 (0)20 7653 4000
Canaccord Genuity Limited Edward Gibson-Watt Stuart Andrews Elizabeth Halley-Stott	+44 (0)20 7523 8000
Burson Buchanan Helen Tarbet Henry Wilson Nick Croysdill	+44 (0)20 7466 5000

Notes to the Editor

About GCP Infra

GCP Infra is a closed-ended investment company and FTSE-250 constituent. Its shares are traded on the main market of the London Stock Exchange. The Company's objective is to provide shareholders with regular, sustained, long-term distributions and to preserve capital over the long term by generating exposure to UK infrastructure debt and related and/or similar assets.

The Company primarily targets investments in infrastructure projects with long term, public sector-backed, availability-based revenues. Where possible, investments are structured to benefit from partial inflation protection. GCP Infra is advised by Gravis Capital Management Limited.

GCP Infra has been awarded with the London Stock Exchange's Green Economy Mark in recognition of its contribution to positive environmental outcomes.

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