/**/ RNS Number : 1174W GCP Infrastructure Investments Ltd 10 March 2026 10 March 2026GCP Infrastructure Investments Limited(the "Company" or "GCP Infra")LEI: 213800W64MNATSIV5Z47Transaction in own sharesGCP Infrastructure Investments Limited ("Company") announces that, in accordance with the terms of its share buyback programme (the "Programme") announced on 12 December 2024, it has purchased the following number of its ordinary shares of 1 pence each ("Ordinary Shares") through RBC Europe Limited. Date of Purchase 10 March 2026 Number of ordinary shares purchased 352,824 Volume Weighted average price paid (p) 74.76 Highest price paid (p) 74.80 Lowest price paid (p) 74.60 Following the above transaction, the Company will have 884,797,669 Ordinary Shares in issue (including treasury shares). The total number of Ordinary Shares held in treasury is 53,771,793.The total number of voting rights in the Company, excluding treasury shares as at 10 March 2026 is 831,025,876. This figure may be used by shareholders (and others with notification obligations) as the denominator for the calculations by which they will determine if they are required to notify their interest in, or a change to their interest in, Company or its Group under the FCA's Disclosure and Transparency Rules.Since the announcement of the Programme on 12 December 2024, the Company has purchased 36,786,774 Ordinary Shares in aggregate for treasury.For further information, please contact: Gravis Capital Management LimitedPhilip KentRobyn MacHughCameron Gardner +44 (0)20 3405 8500 RBC Europe LimitedMatthew CoakesElizabeth Evans +44 (0)20 7653 4000 Canaccord Genuity LimitedEdward Gibson-WattStuart AndrewsElizabeth Halley-Stott +44 (0)20 7523 8000 Burson BuchananHelen TarbetNick CroysdillHenry Wilson +44 (0)20 7466 5000 In accordance with Article 5(1)(b) of Regulation (EU) No 596/2014 (the Market Abuse Regulation), a breakdown of the individual trades made by RBC Europe Limited on behalf of the Company as part of the Programme is detailed below: Platform Daily total volume(shares) Daily weighted average price of shares acquired (GBp) XLON 339,223 74.76 CHIX 7,162 74.73 BATE 2,316 74.75 TRQX 2,317 74.75 AQXE 1,806 74.77 Broker Transaction Date Time Volume Price (GBp) Trading venue Transaction reference number RBC Europe Limited 10/03/2026 08:10:00 1 74.60 TRQX 00324655560TRLO0 RBC Europe Limited 10/03/2026 08:12:19 7,800 74.60 XLON 00324656285TRLO0 RBC Europe Limited 10/03/2026 08:12:19 2,326 74.60 XLON 00324656286TRLO0 RBC Europe Limited 10/03/2026 08:12:19 2,277 74.60 XLON 00324656287TRLO0 RBC Europe Limited 10/03/2026 08:42:44 239 74.60 XLON 00324663459TRLO0 RBC Europe Limited 10/03/2026 10:53:05 184 74.60 CHIX 00324692086TRLO0 RBC Europe Limited 10/03/2026 11:50:50 256 74.60 CHIX 00324700814TRLO0 RBC Europe Limited 10/03/2026 13:49:46 25 74.60 AQXE 00324722699TRLO0 RBC Europe Limited 10/03/2026 13:59:57 245 74.60 AQXE 00324726721TRLO0 RBC Europe Limited 10/03/2026 14:25:00 37,755 74.80 XLON 00324733636TRLO0 RBC Europe Limited 10/03/2026 14:25:00 35,122 74.80 XLON 00324733637TRLO0 RBC Europe Limited 10/03/2026 14:25:00 34,522 74.80 XLON 00324733638TRLO0 RBC Europe Limited 10/03/2026 14:25:00 36,814 74.80 XLON 00324733639TRLO0 RBC Europe Limited 10/03/2026 14:25:00 6,283 74.80 XLON 00324733640TRLO0 RBC Europe Limited 10/03/2026 14:25:01 1,536 74.80 AQXE 00324733646TRLO0 RBC Europe Limited 10/03/2026 14:25:03 2,317 74.80 CHIX 00324733666TRLO0 RBC Europe Limited 10/03/2026 14:25:03 1,158 74.80 TRQX 00324733667TRLO0 RBC Europe Limited 10/03/2026 14:25:03 1,158 74.80 BATE 00324733668TRLO0 RBC Europe Limited 10/03/2026 14:25:03 432 74.80 XLON 00324733669TRLO0 RBC Europe Limited 10/03/2026 14:25:06 17,959 74.80 XLON 00324733688TRLO0 RBC Europe Limited 10/03/2026 14:25:06 20,592 74.80 XLON 00324733689TRLO0 RBC Europe Limited 10/03/2026 14:25:06 19,449 74.80 XLON 00324733690TRLO0 RBC Europe Limited 10/03/2026 14:26:27 1,743 74.80 XLON 00324734150TRLO0 RBC Europe Limited 10/03/2026 14:26:27 12,731 74.80 XLON 00324734151TRLO0 RBC Europe Limited 10/03/2026 14:26:27 526 74.80 XLON 00324734152TRLO0 RBC Europe Limited 10/03/2026 14:26:27 994 74.80 XLON 00324734153TRLO0 RBC Europe Limited 10/03/2026 14:26:54 810 74.80 XLON 00324734289TRLO0 RBC Europe Limited 10/03/2026 14:32:17 43 74.80 XLON 00324736561TRLO0 RBC Europe Limited 10/03/2026 14:32:17 2,412 74.80 XLON 00324736562TRLO0 RBC Europe Limited 10/03/2026 14:32:17 2,413 74.80 XLON 00324736563TRLO0 RBC Europe Limited 10/03/2026 14:32:17 1,799 74.80 XLON 00324736564TRLO0 RBC Europe Limited 10/03/2026 14:32:17 531 74.80 XLON 00324736565TRLO0 RBC Europe Limited 10/03/2026 14:50:30 343 74.70 CHIX 00324744740TRLO0 RBC Europe Limited 10/03/2026 15:02:09 360 74.70 CHIX 00324750385TRLO0 RBC Europe Limited 10/03/2026 15:04:51 4,955 74.70 XLON 00324751665TRLO0 RBC Europe Limited 10/03/2026 15:04:51 2,317 74.70 XLON 00324751666TRLO0 RBC Europe Limited 10/03/2026 15:04:51 2,366 74.70 XLON 00324751667TRLO0 RBC Europe Limited 10/03/2026 15:04:51 2,244 74.70 XLON 00324751668TRLO0 RBC Europe Limited 10/03/2026 15:17:30 351 74.70 CHIX 00324759125TRLO0 RBC Europe Limited 10/03/2026 15:22:40 346 74.70 CHIX 00324762340TRLO0 RBC Europe Limited 10/03/2026 15:39:08 342 74.70 CHIX 00324771505TRLO0 RBC Europe Limited 10/03/2026 15:41:02 346 74.70 CHIX 00324772173TRLO0 RBC Europe Limited 10/03/2026 16:03:25 44 74.70 XLON 00324781995TRLO0 RBC Europe Limited 10/03/2026 16:03:25 2,256 74.70 XLON 00324781996TRLO0 RBC Europe Limited 10/03/2026 16:03:25 10,364 74.70 XLON 00324781997TRLO0 RBC Europe Limited 10/03/2026 16:03:25 1,935 74.70 XLON 00324781998TRLO0 RBC Europe Limited 10/03/2026 16:03:25 2,371 74.70 XLON 00324781999TRLO0 RBC Europe Limited 10/03/2026 16:03:34 6 74.70 XLON 00324782086TRLO0 RBC Europe Limited 10/03/2026 16:03:34 34,538 74.70 XLON 00324782087TRLO0 RBC Europe Limited 10/03/2026 16:03:34 456 74.70 XLON 00324782088TRLO0 RBC Europe Limited 10/03/2026 16:03:34 2,135 74.70 XLON 00324782089TRLO0 RBC Europe Limited 10/03/2026 16:03:34 1,158 74.70 BATE 00324782090TRLO0 RBC Europe Limited 10/03/2026 16:03:34 1,158 74.70 TRQX 00324782091TRLO0 RBC Europe Limited 10/03/2026 16:03:34 2,317 74.70 CHIX 00324782092TRLO0 RBC Europe Limited 10/03/2026 16:07:49 16,242 74.70 XLON 00324783638TRLO0 RBC Europe Limited 10/03/2026 16:07:49 446 74.70 XLON 00324783639TRLO0 RBC Europe Limited 10/03/2026 16:07:49 2,326 74.70 XLON 00324783640TRLO0 RBC Europe Limited 10/03/2026 16:07:49 986 74.70 XLON 00324783641TRLO0 RBC Europe Limited 10/03/2026 16:09:52 1,279 74.70 XLON 00324784603TRLO0 RBC Europe Limited 10/03/2026 16:09:52 1,066 74.70 XLON 00324784604TRLO0 RBC Europe Limited 10/03/2026 16:13:49 355 74.70 XLON 00324786720TRLO0 RBC Europe Limited 10/03/2026 16:16:56 342 74.70 XLON 00324788182TRLO0 RBC Europe Limited 10/03/2026 16:22:47 253 74.70 XLON 00324790859TRLO0 RBC Europe Limited 10/03/2026 16:25:19 167 74.70 XLON 00324792400TRLO0 RBC Europe Limited 10/03/2026 16:25:54 271 74.70 XLON 00324792697TRLO0 RBC Europe Limited 10/03/2026 16:26:24 164 74.70 XLON 00324793064TRLO0 RBC Europe Limited 10/03/2026 16:26:24 2,306 74.70 XLON 00324793065TRLO0 RBC Europe Limited 10/03/2026 16:26:24 1,461 74.70 XLON 00324793066TRLO0 This announcement does not constitute, or form part of, an offer or any solicitation of an offer for securities in any jurisdiction. Notes to EditorsGCP 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. This information is provided by RNS, the news service of the London Stock Exchange. 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