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<title>Costain Group Plc — News on 6ix</title>
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<description>Latest news and press releases for Costain Group Plc on 6ix.</description>
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<title>Costain Group Plc</title>
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<title>Costain Secures c.£45m Contract with Severn Trent</title>
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<pubDate>Wed, 18 Mar 2026 07:00:00 GMT</pubDate>
<description>Costain Group PLC has secured a new contract valued at approximately £45 million with Severn Trent PLC to undertake critical infrastructure upgrades at the Rugby Newbold Sewage Treatment Works, with work scheduled to continue until 2028. As the principal contractor and designer, Costain will focus on constructing new facilities and enhancing existing systems to improve operational resilience and increase the site's capacity. This award extends Costain's long-standing partnership with Severn Tren</description>
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<title>£20m Share Buyback Programme</title>
<link>https://6ix.com/company/costain-group-plc/news/pound20m-share-buyback-programme</link>
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<pubDate>Tue, 10 Mar 2026 07:01:00 GMT</pubDate>
<description>Costain Group PLC has announced an on-market share buyback program of up to £20 million, following the removal of a dividend parity arrangement and considering its cash performance and strategic investments. This program, which will see purchased shares cancelled, is considered an appropriate use of cash to enhance shareholder value while maintaining financial flexibility. The buyback will be executed in two tranches, with each tranche managed by Panmure Liberum and Investec respectively, for a </description>
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<title>Final Results</title>
<link>https://6ix.com/company/costain-group-plc/news/final-results-316</link>
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<pubDate>Tue, 10 Mar 2026 07:00:00 GMT</pubDate>
<description>Costain Group PLC reported a strong performance for the year ended 31 December 2025, with adjusted operating profit increasing by 9.3% to £47.1 million and an improved adjusted operating margin of 4.5%. The company achieved a record forward work position of £7.0 billion, representing a 30% increase and nearly seven times its FY 25 revenue, providing significant visibility for future growth. Strong cash generation resulted in a net cash balance of £189.3 million, enabling increased shareholder re</description>
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<title>Directorate change</title>
<link>https://6ix.com/company/costain-group-plc/news/directorate-change-425</link>
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<pubDate>Wed, 04 Mar 2026 08:27:00 GMT</pubDate>
<description>Costain Group PLC announced that its Non-Executive Chair, Kate Rock, will join Chemring Group PLC as an Independent Non-Executive Director effective April 1, 2026, also taking on the roles of Senior Independent Director and member of Chemring's Audit, Nomination, and Remuneration Committees. This external appointment is being disclosed in accordance with UK Listing Rule 6.4.9R(2).
Disclaimer*</description>
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<title>Holding(s) in Company</title>
<link>https://6ix.com/company/costain-group-plc/news/holdings-in-company-584</link>
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<pubDate>Tue, 03 Mar 2026 10:57:00 GMT</pubDate>
<description>UBS Group AG's trading book holdings in Costain Group PLC have fallen below the 5% reporting threshold, resulting in a current holding of 0.000000% of voting rights. Previously, UBS held 5.528855% of voting rights. This reduction means UBS is no longer required to report its holdings in Costain Group PLC.
Disclaimer*</description>
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<title>Costain returns to FTSE 250</title>
<link>https://6ix.com/company/costain-group-plc/news/costain-returns-to-ftse-250</link>
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<pubDate>Mon, 02 Mar 2026 07:00:00 GMT</pubDate>
<description>Costain Group PLC has returned to the FTSE 250 index, marking its first re-entry in over two decades, attributed to consistent strong financial performance, growth in key markets, and increasing shareholder returns. The company's Chief Executive highlighted increased profitability, positive cash generation, and momentum in securing high-quality work as evidence of their successful strategy and people's commitment. Costain will announce its full-year results for the period ending 31 December 2025</description>
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<title>Ashtead Group</title>
<link>https://6ix.com/company/costain-group-plc/news/ashtead-group-1</link>
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<pubDate>Wed, 25 Feb 2026 18:00:00 GMT</pubDate>
<description>FTSE Russell has announced changes to the FTSE UK Index Series effective March 2, 2026, following Ashtead Group's transfer of listing category. Ashtead Group will be removed from the FTSE 100 index. Tritax Big Box REIT will be added to the FTSE 100 and removed from the FTSE 250, while Costain Group PLC will be added to the FTSE 250 and removed from the FTSE SmallCap index.
Disclaimer*</description>
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<title>Director Declaration</title>
<link>https://6ix.com/company/costain-group-plc/news/director-declaration-203</link>
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<pubDate>Tue, 24 Feb 2026 15:59:00 GMT</pubDate>
<description>Costain Group PLC has announced that Fiona MacAulay, a Non-Executive Director, has become an independent director of Dauch Corporation, which is listed on both the London and New York Stock Exchanges, effective from 3 February 2026, following the completion of the acquisition and merger of Dowlais Group plc into Dauch Corporation. This appointment follows her retirement from the Board of Chemring Group PLC on 20 February 2026, where she did not seek re-election.
Disclaimer*</description>
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<title>Investor Presentation via Investor Meet Company</title>
<link>https://6ix.com/company/costain-group-plc/news/investor-presentation-via-investor-meet-company-56</link>
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<pubDate>Mon, 09 Feb 2026 07:00:00 GMT</pubDate>
<description>Costain Group PLC has announced that its CEO and CFO will host an investor Q&A session on March 11, 2026, at 10:00 AM, following the release of its Full Year 2025 Results on March 10, 2026. This session, conducted via Investor Meet Company, is open to all shareholders and potential investors, allowing questions to be submitted in advance or during the live presentation.
Disclaimer*</description>
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<title>Costain Awarded Contract for New M5 Junction</title>
<link>https://6ix.com/company/costain-group-plc/news/costain-awarded-contract-for-new-m5-junction</link>
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<pubDate>Tue, 27 Jan 2026 07:00:00 GMT</pubDate>
<description>Costain Group PLC has secured a significant contract valued at approximately £100 million over five years to design and construct a new junction, 22A, on the M5 motorway. This project, awarded through the Regional Delivery Partnership framework, will provide crucial access to the Gravity Smart Campus and a £4 billion gigafactory being developed by Agratas, which is set to become Britain's largest electric vehicle battery manufacturing facility. Costain's role as delivery integration partner and </description>
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<title>New Pension Scheme Agreement & FY25 Trading Update</title>
<link>https://6ix.com/company/costain-group-plc/news/new-pension-scheme-agreement-and-fy25-trading-update</link>
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<pubDate>Mon, 26 Jan 2026 07:00:00 GMT</pubDate>
<description>Costain Group PLC announced a new pension scheme agreement, removing the dividend parity arrangement and eliminating future cash contributions to the scheme until January 2031. This, combined with strong FY 25 trading results, including adjusted operating profit in line with market expectations and net cash of £190m exceeding expectations, supports enhanced shareholder returns. The company intends to nearly double dividend payments in FY 26 by implementing a 3.0x dividend cover policy and plans </description>
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<title>Block listing Interim Review</title>
<link>https://6ix.com/company/costain-group-plc/news/block-listing-interim-review-148</link>
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<pubDate>Fri, 02 Jan 2026 11:09:00 GMT</pubDate>
<description>Costain Group PLC has reported a block listing six-monthly return for its Employee Sharesave Plan covering the period from July 1, 2025, to December 31, 2025. The company stated that there was no change in the balance of unallotted securities, which remained at 58,293 at the end of the period. No new securities were issued or allotted under the scheme during this reporting timeframe, and no increases to the block scheme were applied for.
Disclaimer*</description>
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<title>Notice of Trading Update</title>
<link>https://6ix.com/company/costain-group-plc/news/notice-of-trading-update-20</link>
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<pubDate>Fri, 19 Dec 2025 07:00:00 GMT</pubDate>
<description>Costain Group PLC has announced that it will release a trading update for the year ending 31 December 2025 on Monday 26 January 2026, with the full year results for the same period scheduled for publication on Tuesday 10 March 2026. This update provides investors with advance notice of key financial reporting dates.
Disclaimer*</description>
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<title>Director/PDMR Shareholding</title>
<link>https://6ix.com/company/costain-group-plc/news/directorpdmr-shareholding-533</link>
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<pubDate>Thu, 11 Dec 2025 16:15:00 GMT</pubDate>
<description>Costain Group PLC announced that Non-Executive Director Fiona MacAulay purchased 6,347 ordinary shares at £1.57 per share on December 10, 2025, increasing her total holding to 6,347 shares, which represents 0.00002% of the company's issued share capital. This transaction, conducted on XLON, is a positive indicator of insider confidence in the company's stock.
Disclaimer*</description>
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<title>Costain awarded contract extension with EDF</title>
<link>https://6ix.com/company/costain-group-plc/news/costain-awarded-contract-extension-with-edf</link>
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<pubDate>Tue, 18 Nov 2025 07:00:00 GMT</pubDate>
<description>Costain Group PLC has secured a five-year framework contract extension with EDF, valued at £75 million, to continue providing project controls services across EDF's eight UK nuclear power stations until 2030. This agreement builds upon Costain's existing partnership with EDF since 2017, supporting operations, plant life extension, and decommissioning efforts. The extension is expected to positively impact Costain's revenue and reinforces its strategic focus on long-term relationships with critic</description>
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<title>Total Voting Rights</title>
<link>https://6ix.com/company/costain-group-plc/news/total-voting-rights-407</link>
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<pubDate>Mon, 03 Nov 2025 11:59:00 GMT</pubDate>
<description>As of October 31, 2025, Costain Group PLC's issued share capital consists of 266,714,895 ordinary shares. Each share has a nominal value of 1 pence and carries one vote. The company does not hold any ordinary shares in treasury. The total number of shares, 266,714,895, can be used by shareholders to calculate if they need to notify the company of their interest in Costain according to FCA rules.
Disclaimer*</description>
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<title>Additional Listing</title>
<link>https://6ix.com/company/costain-group-plc/news/additional-listing-54</link>
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<pubDate>Tue, 14 Oct 2025 14:34:00 GMT</pubDate>
<description>Costain Group PLC announced that shareholders elected to receive 111,520 ordinary shares of 1p each in lieu of cash for their 2025 interim dividend. These shares were approved at the company's 2025 Annual General Meeting following the renewal of the scrip dividend scheme. Application has been made for admission of the new shares to the Official List of the UK Listing Authority and to trading on the London Stock Exchange, with dealings expected to commence on Friday, October 17, 2025. The new sha</description>
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<title>Costain Secures £1bn Programme With Sellafield</title>
<link>https://6ix.com/company/costain-group-plc/news/costain-secures-pound1bn-programme-with-sellafield</link>
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<pubDate>Mon, 13 Oct 2025 06:00:00 GMT</pubDate>
<description>Costain Group PLC has been selected as Sellafield's Utilities Delivery Partner for a major part of Sellafield's Infrastructure Delivery Partnership. The contract is expected to be worth up to £1 billion to Costain. The initial term of the contract is nine years, with the option to extend by a further six years, either in a single extension or multiple smaller extensions. The total value of Sellafield's IDP is worth up to £2.9 billion. Costain will refurbish and replace utility distribution syste</description>
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<title>Scrip Dividend Reference Price</title>
<link>https://6ix.com/company/costain-group-plc/news/scrip-dividend-reference-price-2</link>
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<pubDate>Thu, 18 Sep 2025 13:00:00 GMT</pubDate>
<description>Costain Group PLC announced the Scrip Dividend Reference Price for shareholders electing to receive the scrip dividend alternative for the interim dividend for the year ending December 31, 2025. The reference price is 127.28 pence per ordinary share of 1 pence each. This price was calculated as the average of the middle market quotations from the London Stock Exchange's Daily Official List for the five dealing days starting on the ex-dividend date, which was September 11, 2025. The interim divid</description>
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<title>Half-year Report</title>
<link>https://6ix.com/company/costain-group-plc/news/half-year-report-334</link>
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<pubDate>Wed, 20 Aug 2025 06:00:00 GMT</pubDate>
<description>Costain Group PLC reported H1 2025 results showing a revenue decrease to £525.4m (H1 24: £639.3m), primarily due to Transportation segment reductions from project completions and HS2 rescheduling, offset by Natural Resources growth. Despite lower revenue, adjusted operating profit increased by 3.1% to £16.8m (H1 24: £16.3m), resulting in a 70bps rise in adjusted operating margin to 3.2% (H1 24: 2.5%). Reported operating profit rose by 18% to £16.4m (H1 24: £13.9m). Adjusted EPS was 5.5p (H1 2</description>
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