20 October 2023

GCP Infrastructure Investments Limited

(the "Company" or "GCP Infra")

LEI: 213800W64MNATSIV5Z47

Transaction in own shares

GCP Infra today announces that pursuant to the general authority granted by shareholders of the Company at the annual general meeting on 15 February 2023 to make market purchases of its own ordinary shares, it repurchased 250,000 ordinary shares at a weighted average price of 61.87 pence per share, to be held in treasury, on 20 October 2023.

Following this transaction, the Company has in issue 884,797,669 ordinary shares of which 16,165,019  are held in treasury.

For reporting purposes under the FCA's Disclosure Guidance and Transparency Rules the market should exclude any shares held in treasury and should use the figure of 868,632,650 voting rights when determining if they are required to notify their interest in, or a change to their interest in the Company.

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Notes to Editors

GCP Infra is a closed-ended investment company and FTSE-250 constituent whose shares are traded on the main market of the London Stock Exchange. Its 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.