UK small-cap RNS · 17 Jun 2026
The key announcements of UK small & mid caps under £2bn on 17 Jun 2026 – situations they move are marked, with the share price since.
Key = all announcements except routine filings (voting rights, buybacks, holdings, director forms), plus director dealings and holdings that are part of a situation. Not investment advice.
| Date | Company | Mcap ↕ | Type | Announcement | |
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| 17 Jun | Pulsar Helium Inc PLSR | £112m | Director dealing | Stock Option Exercise, TVR and Director PDMR
O'Brien's 100,000 stock option exercise the underlying common shares were immediately sold to facilitate a cashless exercise. |
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| 17 Jun | Advanced Medical Solutions Group AMS | £615m | Result of AGM
Winsford, UK: Advanced Medical Solutions Group plc (AIM: AMS), the world-leading specialist in tissue-healing technologies, announces that at the Company's Annual General Meeting held today at 11 am at the Offices of Investec Bank plc, 30 Gresham Street, … |
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| 17 Jun | Anemoi International Ltd AMOI | £2.0m | Result of AGM | ||
| 17 Jun | Thalassa Holdings Ltd. THAL | £3.8m | Result of AGM
Thalassa Holdings Ltd (THAL) Thalassa Holdings Ltd: Results of AGM 17-Jun-2026 / 15:09 GMT/BST Thalassa Holdings Ltd (Reuters: THAL.L, Bloomberg: THAL:LN) ("Thalassa, "THAL" or the "Company") Results of AGM The Company held its Annual General Meeting (“AGM”) … |
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| 17 Jun | PPHE Hotel Group Ltd PPH | £608m | Completion of Freehold Acquisition and Funding
Completion of Park Plaza London Waterloo Freehold Acquisition and Funding |
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| 17 Jun | Faron Pharmaceuticals Oy FARN | £73m | Overhang | Holding(s) In Company | |
| 17 Jun | MPAC Group MPAC | £102m | Director dealing | PDMR Share Dealing
Mpac Group plc, a global leader in high-speed packaging and automation solutions, announces that it has been informed that today Duncan Tyler, Interim Chief Financial Officer, purchased 4,000 Ordinary Shares of 25 pence each ("Ordinary Shared") at a price of … |
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| 17 Jun | Wizz Air Holdings WIZZ | £1,012m | Wizz Air Omnibus Plan award grants
Geneva, 17 June 2026 - Wizz Air Holdings Plc ("Wizz Air" or the "Company"), one of the most sustainable European airlines, announces the granting of awards under Omnibus Share Plan ("Omnibus Plan") to a number of persons discharging management … |
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| 17 Jun | Staffline Group STAF | £46m | Insider conviction | Director/PDMR Shareholding | |
| 17 Jun | Nativo Resources NTVO | £4.4m | Director Disclosures - AIM Rule 17 & Schedule 2(g)
Nativo Resources plc (LON: NTVO), the precious metals company with gold mining and processing interests in Peru, provides the following update pursuant to AIM Rule 17 and Schedule 2(g) of the AIM Rules for Companies. |
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| 17 Jun | RWS Holdings RWS | £540m | Investor Presentation via Investor Meet Company
RWS Holdings plc (AIM: RWS.L) ("RWS", "the Group"), a global AI solutions company empowering the world's most trusted enterprise AI, is pleased to announce that Benjamin Faes, CEO and Stephen Lamb, CFO, will provide a live presentation covering its recent … |
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| 17 Jun | Sirius Real Estate Ltd. SRE | £1,472m | Notification of a transaction by a PCA with a PDMR
Notification of a transaction by a person closely associated ("PCA") with a Person Discharging Managerial Responsibilities ("PDMR") |
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| 17 Jun | Lords Group Trading LORD | £20m | AGM Statement
Lords, a leading distributor of building materials in the UK, announces that at the Company's Annual General Meeting ('AGM') due to be held tomorrow at 2:00 pm (BST) at the office of Burson Buchanan, Rose Court, 2 Southwark Bridge Road, London SE1 9HS, Gary … |
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| 17 Jun | Windar Photonics WPHO | £8.1m | Legal & regulatory | Potential Accounting Irregularities and Suspension
Potential Accounting Irregularities, Delay in Publication of FY 2025 Final Results and Temporary Suspension of Trading of Shares |
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| 17 Jun | Windar Photonics WPHO | £8.1m | Suspension - Windar Photonics Plc
At the request of the Company, trading on AIM for the under-mentioned securities was temporarily suspended from 17/06/2026 10:30am, pending clarification of the Company's financial position. |
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| 17 Jun | Zotefoams ZTF | £246m | Notification of Transactions of Directors/PDMRs
The Company has received notification from MUFG Corporate Markets Trustees (UK) Limited, the Trustee of the Company's Share Incentive Plan (the 'SIP'), that on 11 June 2026 the following Director and Person Discharging Managerial Responsibilities became … |
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| 17 Jun | Dar Global DAR | £928m | Business Update
('Dar Global', or the 'Company', or the 'Group') |
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| 17 Jun | Net Zero Infrastructure NZI | £1.4m | Result of General Meeting
The votes cast and votes withheld in relation to each resolution were as follows: |
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| 17 Jun | Oxford Metrics OMG | £38m | Insider conviction | Director/PDMR Shareholding | |
| 17 Jun | Coiled Therapeutics plc COIL | £29m | Grant of Share Options
Coiled Therapeutics (AIM:COIL) (OTCQB: COTXF), the clinical-stage oncology company developing precision medicines for hard-to-treat cancers, announces it has granted 6,200,000 share options ("Options") over the Company's ordinary shares of 1 pence each … |
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| 17 Jun | Borders & Southern Petroleum BOR | £100m | Exercise of Warrants
Borders & Southern Petroleum plc (AIM: BOR), the London based independent oil and gas exploration company with appraisal and exploration assets offshore the Falkland Islands, announces that it has received notification from a warrant holder to exercise … |
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| 17 Jun | Helical HLCL | £202m | Publication of 2026 Annual Report & Notice of AGM
Annual Report and Accounts and Notice of Annual General Meeting |
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| 17 Jun | Workspace Group WKP | £677m | Activist campaign | Holding(s) in Company | |
| 17 Jun | Oxford Metrics OMG | £38m | Investor Event and Strategy Update
Further to its announcement on 2 June 2026, Oxford Metrics plc (LSE: OMG), the smart sensing and measurement technology group servicing life sciences, entertainment, engineering and manufacturing markets, confirms that it will today host an investor event … |
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| 17 Jun | Christie Group CTG | £43m | Stake building towards control | Holding(s) in Company | |
| 17 Jun | IWG IWG | £1,745m | Tap Issuance
Guaranteed Bonds due 2032 (ISIN: XS3047978518) (the "Existing Bond") |
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| 17 Jun | Roadside Real Estate ROAD | £95m | Acquisition of Ross Road Petrol Filling Station
The total cash consideration of £2.9 million is for the freehold interest, fixtures & fittings and associated intangible assets. |
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| 17 Jun | Acuity RM Group ACRM | £4.5m | Fundraise | Retail Offer
The Board of Acuity (AIM: ACRM), the software group focused on cybersecurity risk management, is pleased to announce a retail offer via BookBuild (the " |
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| 17 Jun | Halo Minerals PLC HALO | £8.9m | Initiation of Equity Development Research Coverage
("Halo Minerals", the "Company" and, together with its subsidiaries, the "Group") |
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| 17 Jun | Hercules Plc HERC | £28m | Hercules Launches Landmark Skills Whitepaper
Hercules plc (AIM: HERC), a leading UK infrastructure and construction services group, has launched its landmark Whitepaper, The Skills Gulf, in the Houses of Parliament, bringing together industry insight and practical recommendations to help address one of … |
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| 17 Jun | ATC Music Group plc ATC | £45m | Commercial Update
ATC Music Group Plc (AIM: ATC), the independent music company providing an end-to-end music services platform spanning talent management, live touring, merchandising, e-commerce and digital engagement, is pleased to provide an update on recent commercial … |
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| 17 Jun | CleanTech Lithium CTL | £26m | Board change | CEO to Attend Fastmarkets in Las Vegas, USA
CleanTech Lithium PLC ("CTL", CleanTech Lithium" or the "Company") |
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| 17 Jun | Capital Metals CMET | £19m | Sri Lanka Mineral Sands Conference
Inaugural conference reflects Sri Lanka's commitment to advancing its minerals sector |
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| 17 Jun | Genflow Biosciences GENF | £10m | Company to present at Animal Longevity Summit 2026
Genflow Biosciences to Present SLAB Trial Results at Animal Longevity Summit 2026 |
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| 17 Jun | Aura Energy Limited AURA | £44m | Project milestones | Parliamentary vote facilitates mine development
Aura Energy Limited (ASX: AEE, AIM: AURA) ("Aura" or the "Company") is pleased to announce that on 11 June 2026 the Swedish Parliament voted to amend the country's Nuclear Activities Act so that uranium mining will no longer be regulated as a nuclear facility. |
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| 17 Jun | Churchill China CHH | £40m | Change of Auditor
Churchill China plc (AIM: CHH), the manufacturer of innovative performance ceramic products serving hospitality markets worldwide, announces that, as approved by shareholders at the annual general meeting of the Company held on 29 May 2026, the Company has … |
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| 17 Jun | Mercia Asset Management MERC | £130m | Investor Presentation
Mercia Asset Management PLC (AIM: MERC), the proactive, regionally focused private capital asset manager with over £2.0billion of assets under management, confirms the registration details for the online investor presentation of the Group's preliminary … |
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| 17 Jun | Coiled Therapeutics plc COIL | £29m | Establishment of Medical Advisory Board
Leading Oncology Drug Developers Join Coiled Therapeutics Medical Advisory Board to Support AO-252 Clinical Development |
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| 17 Jun | Rathbones Group RAT | £1,640m | Launch of share buyback programme
The Company today announces that, further to its announcement at its full year results on 27 February 2026, it is today launching a programme to purchase ordinary shares of 5 pence each in the Company ("Ordinary Shares"), up to a maximum consideration of £20 … |
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| 17 Jun | Tristel TSTL | £207m | Board change | Appointment of CEO
Tristel plc (AIM: TSTL), the manufacturer of infection prevention products, announces the appointment of Christopher ("Chris") Lee as Chief Executive Officer ("CEO"), with effect from 1 August 2026. |
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| 17 Jun | Everyman Media Group EMAN | £45m | Insider conviction | Director/PDMR Shareholding | |
| 17 Jun | Malvern International MLVN | £3.8m | Board change | Appointment of Chief Financial Officer
Malvern International plc (AIM: MLVN), the global learning and skills development partner, is pleased to announce the appointment of Daniel Chaffer as an executive director and CFO Designate with effect from 22 June 2026. |
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| 17 Jun | Georgina Energy plc GEX | £32m | Hussar EP513 Drill Mobilisation/Site Works
Georgina Energy Plc (LSE: GEX.L), a helium and hydrogen exploration company with strategic permits in Australia, is pleased to announce the payment, to Ensign Australia Pty Ltd, of the deposit for the supply of the Ensign 970 drill rig for the scheduled Q3 … |
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| 17 Jun | Roadside Real Estate ROAD | £95m | Completion of Acquisition
The Hoch portfolio comprises of 12 premium-quality, operational petrol station forecourts ("PFS") and a standalone convenience store, which are strategically clustered predominantly in Cumbria, Northwest England. |
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| 17 Jun | GreenX Metals Limited GRX | £162m | Study Finds Tannenberg Consistent with Polish Mine
· Tannenberg mineralisation consistent with producing Polish Kupferschiefer copper-silver mines. |
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| 17 Jun | Oxford Metrics OMG | £38m | Turnaround plan with targets | Unaudited Interim Results
Improved year-over-year performance; strategic priorities advanced, establishing the foundations for sustained, future growth |
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| 17 Jun | Frontier IP Group FIPP | £13m | Fundraise | Result of Placing and Subscription
Frontier IP Group plc (AIM: FIPP), a specialist in commercialising intellectual property, is pleased to announce that further to the announcement made at 4.58 p.m. on 16 June 2026 (the "Launch Announcement"), the Placing has successfully closed at the Issue … |
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| 17 Jun | Potentially AI Plc AGI | £15m | Takeover target | Audited Final Results
The Company announces its audited results for the year ended 31 December 2025. |
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| 17 Jun | AO World AO. | £516m | Results | Final Results
AO World plc ("AO" or "the Group"), the UK's most trusted electrical retailer, today announces its audited financial results for the financial year ended 31 March 2026 ("FY26"). |
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| 17 Jun | 80 Mile 80M | £56m | Project milestones | Company Update
80 Mile PLC ('80 Mile' or the 'Company'), the AIM, FSE, and OTC listed exploration and development company with projects in Greenland, Finland and Italy, is pleased to provide an update on recent developments across the Company's portfolio. |
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| 17 Jun | GreenRoc Strategic Materials Plc GROC | £10m | Amitsoq and AAM Pilot Plant Update
GreenRoc Strategic Materials Plc (AIM: GROC), a company focused on the development of critical mineral projects in Greenland, is pleased to announce that its subsidiary company, GreenRoc DK a/s, has signed an advisory services agreement (the "Agreement") with … |
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| 17 Jun | Meridian Mining plc MNO | £526m | Meridian Discovers 2nd VMS Layer at Santa Helena
Meridian Expands Upside Potential at Santa Helena With the Discovery of a Second Layer of Gold-Silver and Zinc-Lead VMS Mineralisation |
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| 17 Jun | Arrow Exploration Corp. (Cdi) AXL | £106m | Results | Exploration Well IC-2 Results
CALGARY, June 17, 2026 - Arrow Exploration Corp. |
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| 17 Jun | Brave Bison Group BBSN | £87m | AGM Statement
("Brave Bison" or the "Company", together with its subsidiaries "the Group") |
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| 17 Jun | CML Microsystems CML | £53m | Upgrade / downgrade cycle | Final Results
Strong second half recovery and strategic progress position CML for renewed growth |
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| 17 Jun | Tandem Group TND | £9.7m | Trading update | AGM Trading Statement
Tandem Group plc announces that at the Annual General Meeting of the Company to be held today at 11.00 am (the "AGM"), the chairman of the AGM will make the following statement. |
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| 17 Jun | Savannah Resources SAV | £159m | Stakeholder engagement & bypass road update
Savannah announces agreements with local entities, local business engagement initiative and bypass road public consultation |
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| 17 Jun | Hays HAS | £921m | Disposal of a part (break-up) | Reshaping of country portfolio
Hays announces that it has completed the sale of its operations in six European countries to Meraki Capital for net cash proceeds (after transaction costs) of c.£4 million. |
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| 17 Jun | Fulcrum Metals FMET | £11m | Exercise of Warrants & Total Voting Rights
Fulcrum Metals plc / EPIC: FMET / Market: AIM / Sector: Mining |
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| 17 Jun | Cadence Minerals KDNC | £22m | Azteca Execution Update
Mobilisation Completed and Refurbishment Programme Remains on Schedule |
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| 17 Jun | Wynnstay Properties WSP | £24m | Final Results and Notice of AGM
Wynnstay Properties PLC is pleased to announce the publication of its audited annual results for the year ended 25 March 2026. |
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| 17 Jun | Kosmos Energy KOS | £1,191m | Balance-sheet stress / refinancing | Completion Of Sale Of Equatorial Guinea Assets
Enhances portfolio, high grades capital allocation, lowers costs and enhances liquidity |
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| 17 Jun | Oriole Resources ORR | £13m | Drilling to Commence at Wapouzé Limestone Project
Oriole Resources (AIM: ORR), the AIM quoted exploration and development company focussed on Central and West Africa, is pleased to announce that it will shortly commence a maiden drilling programme (the "Programme") at its 85%-owned Wapouzé limestone project … |
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| 17 Jun | Likewise Group LIKE | £155m | AGM Statement
Likewise Group plc (AIM:LIKE), the fast-growing UK floor coverings distributor, is holding its Annual General Meeting ("AGM") later this morning and is pleased to announce further substantial progress as they approach the end of H1 26. |
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| 17 Jun | Speedy Hire SDY | £68m | Results | Final Results
Audited results for the year ended 31 March 2026 |
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| 17 Jun | Switch Metals Plc SWT | £6.9m | Maiden Drill Programme Commences at Issia
Maiden Drill Programme Commences at Issia, Targeting Hard-Rock Tantalum and Lithium |
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| 17 Jun | GSTechnologies GST | £7.4m | US$10 million Unsecured Loan Facility
GSTechnologies Limited (LSE: GST), the fintech company, is pleased to announce that it has entered into a US$10 million unsecured term loan facility agreement with Clarivan Group Kommanditbolag, a company incorporated in Sweden (the "Lender") (the "Facility"). |
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| 17 Jun | GEO Exploration Limited GEO | £4.5m | Results | Gorge Project – Initial Results - Airborne Surveys
GEO Exploration Limited (AIM: GEO) is pleased to announce the initial results from airborne geophysical surveys collected over the Gorge Project in Western Australia. |
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| 17 Jun | PZ Cussons PZC | £415m | Upgrade / downgrade cycle | Trading Update
PZ Cussons plc ("PZ Cussons" or "the Group") today issues a trading update for the year ended 31 May 2026. |
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| 17 Jun | Guardian Metal Resources plc GMET | £193m | Project milestones | Acquisition of Lincoln Estates & Water Rights
Guardian Metal Resources plc (NYSE.A: GMTL, LON: GMET, OTCQB: GMTLF), a strategic mineral exploration company focused on tungsten in Nevada, USA, is pleased to announce the acquisition of Lincoln Estates Group LLC ("Lincoln Estates") which includes 841 acres … |
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| 17 Jun | AdvancedAdvT Limited ADVT | £239m | Transaction in Own Shares
for the purposes of UK Market Abuse Regulation. |
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| 17 Jun | Castings CGS | £120m | Results | Final Results
Demand from our heavy truck customers, which make up over 70% of group revenue, continued at the reduced levels of the previous year compared to the very strong volumes seen in the year ended 31 March 2024. |
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| 17 Jun | Smiths News SNWS | £190m | Transformational contract / build-out | Contract Win - National Distribution
Smiths News (LSE: SNWS), the UK's largest news wholesaler and a leading provider of early morning end-to-end supply chain solutions, is pleased to announce that it has successfully secured a transformational long-term contract with News UK & Ireland Limited … |
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| 17 Jun | Caledonia Investments CLDN | £1,961m | Caledonia to invest in Blue Diamond Garden Centres
· Caledonia will invest approximately £60 million in Blue Diamond Limited, the UK and Channel Islands' leading garden centre operator. |
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| 17 Jun | Hargreaves Services HSP | £261m | Pre-close trading update & notice of results
Performance across all business areas expected to deliver growth in profitability |
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| 17 Jun | Pineapple Power Corporation PNPL | £5.0m | Change in Registered Office Address of Pineapple
Change in the Registered Office Address of Pineapple Power Corporation plc. |
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| 17 Jun | RC365 Holding RCGH | £10m | Merchant POS Agreement with StarCruises
Subsidiary Contract Win: Merchant POS Agreement Signed with StarCruises International Limited |
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| 17 Jun | Resolute Mining Limited RSG | £1,220m | Appendix 3Y - Gina Jardine
Part 1 - Change of director's relevant interests in securities |