Alumasc Group Plc · LSE:ALU
Alumasc — H1 FY2025/26 Earnings Presentation
31 slides from Alumasc's earnings presentation, Feb 3, 2026
Slide 1: Interim Results, Six months to 31 December 2025
Interim Results Six months to 31 December 2025 Paul Hooper, Chief Executive Simon Dray, Group Finance Director 3 February 2026
Slide 2: Contents
Contents 01. Introducing Alumasc 02. H1 2025/26 Overview 03. Financial Review 04. Operational Performance 05. Underpinning Our Growth 06. Outlook 07. Appendices Alumasc Roofing - Warm BluRoof System with Blackdown Green Roof - Nelson Street, Belfast Image © Chris Humphreys Photography 2
Slide 3: Introducing Alumasc
01. Introducing Alumasc Paul Hooper, Chief Executive ARP - Sentinel Deepflow Aluminium Gutter, Colonnade Square Swaged Aluminium Downpipe, Trueline Aluminium Fascia and Soffit - Lady Byron House, Knowle
Slide 4: Who We Are: Our Divisions
Who We Are: Our Divisions Building Products for a Sustainable Future Water Building Housebuilding Management Envelope Products Climate change resilience through Building decarbonisation/greening/ Building decarbonisation through urban water and stormwater climate resilience through premium products
Slide 5: Clear and well-established growth strategy
Clear and well - established growth strategy Championing Sustainable Accelerating Organic Sales Driving Margin Value - Enhancing Building Products Growth Improvement Investment ➢ Portfolio aligned with ➢ Outperform general UK ➢ Operating margin target ➢ Investment supported by strategic growth marke
Slide 6: H1 2025/26 Overview
02. H1 2025/26 Overview Paul Hooper, Chief Executive Rainclear Systems – Canopy - Southwick, West Sussex
Slide 7: H1 FY26 highlights: resilient performance
H1 FY2 6 highlights: Resilient performance, on track for delivering on FY expectations Outperforming in challenging market conditions against a strong prior half year comparator Revenue £50.4m (H1 FY25: £57.4m) • UK demand headwinds seen in H2 FY25 continued into H1 FY26 • Building Safety Act delays
Slide 8: H1 FY26 highlights: order book and pipeline
H1 FY2 6 highlights: Resilient performance, on track for delivering on FY expectations Healthy and growing order book and robust pipeline of opportunities Order book strong with growing momentum • £14.5m of confirmed orders: excluding CLK, +27% vs December 2024, +50% vs December 2023 • Several overs
Slide 9: Financial Review
03. Financial Review Simon Dray, Group Finance Director Rainclear Systems – Bespoke extra wide canopy with lights
Slide 10: Income statement summary 6 months to 31 December
Income statement summary 6 months to 31 December H1 FY26 H1 FY25 Change £m £m % Revenue 50.4 57.4 (12.1)% Gross profit 18.2 21.6 Revenue -12.1% ( -3.1% excluding CLK) Gross margin % 36.2% 37.6% • UK - 4.9% to £46.9m (H1 FY25: £49.3m) Sales, general & administration overheads (13.7) (13.5) • UK marke
Slide 11: Revenue and profit bridges
Revenue and profit bridges 6 months to 31 December Challenging UK market conditions • Delays in core Water Management/Building Envelope mid - high rise developments • Resilient performance from Housebuilding Products CLK contribution to prior HY Export volumes Margins impacted by lower volumes • £1.
Slide 12: Cashflow statement summary 6 months to 31 December
Cashflow statement summary 6 months to 31 December H1 FY26 H1 FY25 Change £m £m £m EBITDA* 6.7 9.8 (3.1) Change in working capital (2.1) 1.1 Cash performance impacted by reduced profit and Pension scheme funding (0.5) (0.6) working capital movements Cash generated by underlying operating Average tra
Slide 13: Balance sheet summary at 31 December
Balance sheet summary at 31 December H1 FY26 H1 FY25 Change £m £m £m (restated*) Property, plant & Equipment 23.2 22.5 +0.7 Strong balance sheet with capacity to invest Intangible assets 18.5 19.1 (0.6) Bank facilities Working capital 15.5 10.8 +4.7 • £25m (+£20m accordion) Other net liabilities (4.
Slide 14: Operational Performance
04. Operational Performance Paul Hooper, Chief Executive Alumasc Water Management - Gatic UltraSlot – Port of Huelva, Andalusia, Spain
Slide 15: Water Management
Water Management H1 H1 FY26 FY25 Revenue (£m) 22.7 29.6 Underlying* operating profit (£m) 1.5 4.7 Underlying* operating margin (%) 6.4% 15.8% Operating profit (£m) 1.0 3.8 ➢ Revenue declined £6.9m (23%); 6% decline excluding CLK ➢ Subdued UK market ➢ Building Safety Act delaying mid - multi storey p
Slide 16: Building Envelope (Roofing)
Building Envelope (Roofing) H1 H1 FY26 FY25 Revenue (£m) 19.0 20.2 Underlying* operating profit (£m) 1.9 2.5 Underlying* operating margin (%) 10.0% 12.5% Operating profit (£m) 1.9 2.5 ➢ Revenue down 6%, underlying profit down 25% ➢ High level of activity, not reflected in sales performance ➢ Project
Slide 17: Housebuilding Products (Timloc)
Housebuilding Products (Timloc) H1 H1 FY26 FY25 Revenue (£m) 8.7 7.5 Underlying* operating profit (£m) 2.2 1.9 Underlying* operating margin (%) 25.4% 25.0% Operating profit (£m) 2.2 1.9 ➢ Record H1 performance despite continued low housebuilding volumes ➢ Benefiting from outstanding customer service
Slide 18: Underpinning Our Growth
05. Underpinning Our Growth Paul Hooper, Chief Executive ARP – Trueline Bespoke Aluminium Coping – Whitburn Conservation Coastal Centre
Slide 19: Strong momentum in order book and opportunity pipeline
Strong momentum in order book and opportunity pipeline Order book At 31 December Strong order book 12.8 • Momentum building over Q2 FY26 8.9 10.0 8.5 • Excluding CLK: £m • +27% vs December 2024 1.7 7.0 6.7 3.5 • +50% vs December 2023 2022 2023 2024 2025 • +43% vs December 2022 CLK Other • CLK airpor
Slide 20: UK opportunity pipeline £145m
UK opportunity pipeline £145m Residential £50m Strong and growing pipeline, backed by Health/ • Specification (75%+) Education/ Commercial/ Prisons Infrastructure • Increasing regulation and sustainability requirements £50m £29m • Supported by Government investment, especially • Defence • Health • E
Slide 21: Export opportunity pipeline £43m
Export opportunity pipeline £43m Europe £3m Middle East/ Asia India £27m £4m Robust pipeline of Water Management export Africa Americas £6m opportunities £3m • Investment in local technical sales resource helps create and defend specifications • Defence expenditure helping to drive demand • Signific
Slide 22: New product development
New product development Water Building Housebuilding Management Envelope Products Facades (Alumasc Rainscreen) Single ply membrane (Aluply) Loft door (Loftite) BBA - approved and CWCT - tested building Own - brand PVC - reinforced waterproofing Redesigned loft door facade membrane Exceeds L1/L2 requ
Slide 23: Championing sustainable building products
Championing sustainable building products Strengthening regulatory and sustainability drivers Building energy efficiency Urban water management Urban green spaces Improving building energy efficiency Climate change resilience through Habitat recreation in urban with products that improve insulation
Slide 24: Outlook
06. Outlook Paul Hooper, Chief Executive Simon Dray, Group Finance Director Alumasc Water Management – Infinity copper gutters/downpipes – Surrey Cottage
Slide 25: Outlook
Outlook ➢ Resilient performance, Board remains confident in Group achieving its full year forecast ➢ Strong order book and pipeline, with growing momentum ➢ Restructured cost base in Water Management with strengthened management team ➢ Expect £2m remaining CLK project orders to ship, and first call
Slide 26: Thank you
Thank you www.alumasc.co.uk The Alumasc Group plc 26
Slide 27: Appendices
07. Appendices Alumasc Water Management – Wade Linear Channel Drains and Gatic Parade Access Covers – Eclipse Leisure Centre, Staines - on - Thames
Slide 28: Underlying to statutory profit reconciliation
Appendix Underlying to statutory profit reconciliation (£m) H1 FY26 H1 FY25 Operating Profit/(loss) Operating Profit/(loss) Profit Before Tax Profit Before Tax £’000 £’000 £’000 £’000 Underlying profit 4.5 4.0 8.1 7.5 Amortisation of acquired intangible assets (0.2) (0.2) (0.2) (0.2) Net IAS 19 DB p
Slide 29: Diversified end markets
Appendix Diversified end markets Water Building Housebuilding Group Management Envelope Products >80% revenue derived % of Group revenue from environmental products >80% revenue % of Group profit supported by legislation/regulations Private vs Public Housebuilding vs Non -residential vs Commercial/i
Slide 30: Industry forecasts
Appendix Industry forecasts The Alumasc Group plc Source: CPA Winter 2025/26 forecasts 30
Slide 31: Medium/long term structural growth drivers
Appendix Medium/long term structural growth drivers Growth drivers Building Water Housebuilding Envelope Management Products Under - supply of new housing √ √√ √ √√ Ageing building stock √ √√ √ √√ √ Demand for more sustainable materials √ √√ √ √√ √√ Energy efficient buildings √ √√ √ √ √√ Urban drain