Slide 1: First-half results 2025
July 31, 2025 First-half res #LegrandImprov }
Slide 2: Agenda
Agenda = . Highlights H1 2025 strong growth in sales and very solid results 2025 full-year targets revised upward Active deployment of 2030 strategic roadmap Financial agenda & Corporate access gS a F Y PD Appendices Fe FIRST-HALF RESULTS 2025 LI fégrand
Slide 3: First-half results 2025
w G FIRST-HALF RESULTS 2025 oi
Slide 4: Highlights
s Highlights H1 2025 strong growth in sales and very solid results ~ Sales growth : +15% (organic and acquisitions) ~ Adjusted operating margin (after acquisitions) : 21.0% of sales - Net profit attributable to the Group : 13.2% of sales 2025 full-year targets revised upward — Sales growth : +10% a
Slide 5: H1 2025 results
2 H1 2025 results FIRST-HALF RESULTS 2025
Slide 6: H1 2025 - Change in net sales
H1 2025 - Change in net sales € millions 415% Organic + acquisitions 4.774 4,210 . Organic FX’ H1 2024 H1 2025 1, Based on acquisitions announced the overall impact should be, in 2025, around +4.5% full year 2, Based on the average exchange rates in June 2025 alone, the full-year exchange-rate effec
Slide 7: H1 2025 - Organic sales trends by destination
H1 2025 - Organic sales trends by destination EUROPE NORTH & CENTRAL AMERICA REST OF THE WORLD 38.8% OF GROUP 42.4% oF GROUP 18.8% OF GROUP +1.0% +20.5% +3.3% Market conditions remain contrasted overall United States +21.6% Asia-Pacific +4.6% Mature countries +1.3% (39.2% of Group) (12.2% of Group)
Slide 8: H1 2025 - Adjusted operating margin
H1 2025 - Adjusted operating margin Adjusted operating margin 20.7% Organic accretion on margin +0.2 pts Adjusted operating margin before acquisitions! 20.9% Acquisitions effect on margin +0.1 pts Adjusted operating margin 21.0% Strong profitability demonstrating the strength of Legrand’s strategic
Slide 9: Focus on US tariffs
Focus on US tariffs FY 2025 TARIFFS KEY EXPOSURE MITIGATING ACTIONS “a \ - Targeted sales price increases close to 50% + Saving plans of US Cost of Goods Sold } ~ Supply chains adjustments \ is imported / - Well-considered industrial footprint adaptation IN YL ; - and more The action plan launched a
Slide 10: H1 2025 - Value creation
H1 2025 - Value creation NET PROFIT ATTRIBUTABLE TO THE GROUP FREE CASH FLOW / 628MM \ / \ 13.2% of sales \ of €502MM Operating profit increase, partially offset by ° | the negative impact of financial result and / : +7.2% vs H1 2025 / \ a corporate income tax rate up +1pts / \ / \ (at 28% in H1 202
Slide 11: H1 2025 - Solid balance sheet
H1 2025 - Solid balance sheet NET DEBT TO EBITDA' RATIO DEBT STRUCTURE 7 \ - 7 . 15 \ Net debt €3.3bn ! +X } | Gross Debt ~90% fixed rate } \ end of H1 2025 / \ Bonds average maturity / \ J \ or nearly © years ; J 1, Based on EBITDA in the last twelve months FIRST-HALF RESULTS 2025 O legrand’ n
Slide 12: 2025 full-year targets revised upward
ee. 2025 full-year targets revised / upward FIRST-HALF RESULTS 2025 Oo legrand’ 12
Slide 13: 2025 full-year targets revised upward
2025 full-year targets revised upward In 2025, the Group is pursuing the profitable and responsible development laid out in its strategic roadmap. Taking into account the first six months of the year results and considering the world’s current macroeconomic outlook as well as a gradual normalization
Slide 14: Legrand
Oilegrand’ «
Slide 15: H1 2025 - Dynamic external growth momentum
H1 2025 - Dynamic external growth momentum UJLINKK CRS @impeno BUSWAY SYSTEMS COMPUTER ROOM SOLUTIONS PROJECT Power busbars White space infrastructure Busbars Beranang, Malaysia Mascot, Australia Murten, Switzerland Sales ~ €45mm Sales ~ €30mm Sales ~ €4mm =| Continued strengthening of leadership in
Slide 16: Connected healthcare
Connected healthcare Zeist, the Netherlands Sales > €20mm
Slide 17: Dynamic external growth momentum in buoyant segments
Dynamic external growth momentum in buoyant segments 6 acquisitions in 2025 totaling ~€200mm annual sales ACQUISITIONS SALES performati:n Dutch software player in connected healthcare >€20mm Digital Lifestyles Eogeléc French specialist in access control systems for buildings >€70mm Asian reference s
Slide 18: Numerous product launches throughout the year
Numerous product launches throughout the year 2025 - Products launched in energy and digital transition ENERGY TRANSITION DIGITAL LIFESTYLE DATACENTER i ’ a | il UPS HPi33 Evo DPX? 250 Netatmo™ Advance Home + Pro App Green Up™Home Solar Panel Solution DLM Touchscreen Radiant®Smart Lights = T-Series
Slide 19: Numerous product launches throughout the year
Numerous product launches throughout the year 2025 - Products launched in essential infrastructures HG _. = Galion™Up NEXY™ Niloe™ Step FIRST-HALF RESULTS i legrand’ 19
Slide 20: H1 2025 - Datacenters: continued positive momentum in H1
H1 2025 - Datacenters: continued positive momentum in H1 GROWING EXPOSURE BACKLOG 24% \ ( Backlog > €1bn of H1 2025 total Group sales / ; as of end of H1 2025 ° FIRST-HALF RESULTS 2025 O legrand 20
Slide 21: 2030 targets reaffirmed
2030 targets reaffirmed Building on its achievements and taking into account market trends observed over the past 12 months — particularly in datacenters, where Legrand now expects double-digit average annual organic growth in its accessible market between 2025 and 2030 — the Group is confident in i
Slide 22: Financial agenda & Corporate access
lagenda & Corporate access inancia hase B.F 1» a $ a n 5 5 a ia rm a = > Ez a £ z
Slide 23: Financial agenda
Financial agenda \ ' i) i} \ ' Q3 2025 ' FY 2025 ! General \ ' Release 1 Release 1 Assembly ' i) ' @ C ) CO) ' v 1 ' November 6,2025 | February 12,2026! May 27,2026 ' i) i} FIRST-HALF RESULTS 2025 LI fégrand
Slide 24: 2025 Corporate access calendar
2025 Corporate access calendar’ Date Sept. 2, 2025 Sept. 8, 2025 Sep. 9 to 12, 2025 Sept. 23, 2025 Sept. 24, 2025 Dec. 2, 2025 Dec. 4, 2025 Dec. 9, 2025 Roadshow & Conferences Conference Location Morgan Stanley - CEO Unplugged London Oxcap Analytics - Built to last Forum New York Roadshow US - Keple
Slide 25: Appendices
G FIRST-HALF RESULTS 2025 | 25
Slide 26: Glossary
Glossary Adjusted operating profit is defined as operating profit adjusted for: i/ amortization and depreciation of revaluation of assets at the time of acquisitions and for other P&L impacts relating to acquisitions and, ii/ where applicable, impairment of goodwill. Cash flow from operations is def
Slide 27: Change in net sales
Change in net sales Breakdown of change in H1 2025 net sales by destination (€mm) 232,2 564,0 350,0 29,5 - 65,7 —— 4774,3 North Rest of Europe & Central _— the America World XY ~- SY 1 +9.0% 4.4% Sespe ; +13.4% Organic growth consolidation Total H1 2024 H1 2025 1. Due to the consolidation of ZPE, Ne
Slide 28: 2025 First half - net sales by destination
2025 First half - net sales by destination In € millions H12024 H1 2025 chanwe eet “he for tike Currency Effect Europe 1,748.9 1,851.4 5.9% 5.0% 1.0% -0.2% North and Central America 1,638.5 2,024.7 23.6% 41% 20.5% -1.5% Rest of the World 822.9 898.2 9.2% 9.3% 3.3% -3,4% Total 4,210.3 4,774.3 13.4% 5
Slide 29: 2025 First quarter - net sales by destination
2025 First quarter - net sales by destination’ In € millions Qt 2024 Qt 2025 chanwe an He foreike Currency Effect Europe 886.0 932.4 5.2% 5.0% -0.3% 0.5% North and Central America 757.9 929.9 22.7% 0.9% 18.7% 2.4% Rest of the World 384.3 415.5 81% 41% 4.8% -0.9% Total 2,028.2 2,277.8 12.3% 3.3% 7.6%
Slide 30: 2025 Second quarter - net sales by destination
2025 Second quarter - net sales by destination' In € millions Q2 2024 Q2 2025 Chanae coe riko for tike Currency Effect Europe 862.9 919.0 6.5% 5.0% 2.3% -0.8% North and Central America 880.6 1,094.8 24.3% 6.9% 22.0% -4,7% Rest of the World 438.6 482.7 10.1% 14.0% 21% -5.4% Total 21824 2,496.5 14.4%
Slide 31: 2025 First half - net sales by origin
2025 First half - net sales by origin' In € millions H12024 H1 2025 chanwe eet “he for tike Currency Effect Europe 1,817.3 1,939.6 6.7% 5.9% 0.9% -0.1% North and Central America 1,659.3 2,043.8 23.2% 3.2% 21.3% -1.5% Rest of the World 733.7 790.9 7.8% 9.8% 2.0% -3.8% Total 4,210.3 4,774.3 13.4% 5.5%
Slide 32: 2025 First quarter - net sales by origin
2025 First quarter - net sales by origin! In € millions Qt 2024 Qt 2025 chanwe an He foreike Currency Effect Europe 918.9 974.0 6.0% 5.0% 0.4% 0.5% North and Central America 767.5 940.5 22.5% 0.7% 18.8% 2.4% Rest of the World 341.8 363.3 6.3% 4.6% 2.8% 11% Total 2,028.2 2,277.8 12.3% 3.3% 7.6% 1.0%
Slide 33: 2025 Second quarter - net sales by origin
2025 Second quarter - net sales by origin’ In € millions Q2 2024 Q2 2025 chanwe an He foreike Currency Effect Europe 898.4 965.6 7.5% 6.8% 1.4% -0.8% North and Central America 891.8 1,103.3 23.7% 5.3% 23.2% -4.7% Rest of the World 391.9 427.6 9.1% 14.4% 1.3% -5.9% Total 2,182.1 2,496.5 14.4% 7.6% 10
Slide 34: 2025 First half - P&L
2025 First half - P&L In € millions H1 2024 H1 2025 % change Net sales 4,210.3 4,774.3 +13.4% Gross profit 2,214.2 2,472.4 +11.7% as % of sales 52.6% 51.8% Adjusted operating profit 873.1 1,003.4 +14.9% as % of sales 20.7% 21.0%) Amortization & depreciation of revaluation of assets at the time of ac
Slide 35: 2025 First quarter - P&L
2025 First quarter - P&L In € millions Qi 2024 Q1 2025 % change Net sales 2,028.2 2,277.8 +12.3% Gross profit 1,076.2 1194.0 +10.9% as % of sales 53.1% 52.4% Adjusted operating profit 415.9 470.4 +13.1% as % of sales 20.5% 20.7%) Amortization & depreciation of revaluation of assets at the time of ac
Slide 36: 2025 Second quarter - P&L
2025 Second quarter - P&L In € millions Q2 2024 Q2 2025 % change Net sales 218241 2,496.5 +14.4% Gross profit 1138.0 1,278.4 +12.3% as % of sales 52.2% 51.2% Adjusted operating profit 457.2 533.0 +16.6% as % of sales 21.0% 21.3%) Amortization & depreciation of revaluation of assets at the time of ac
Slide 37: 2025 First half - adjusted operating profit by geographical region
2025 First half - adjusted operating profit before and after other operating income (expense) by geographical region North and 11 202 Europe Central Rest of Total (in € millions) P . the World America Net sales 1,939.6 2,043.8 790.9 4,774.3 Cost of sales (865.3) (999.4) (437.2) (2,301.9) Administrat
Slide 38: 2024 First half - adjusted operating profit by geographical region
2024 First half - adjusted operating profit before and after other operating income (expense) by geographical region North and ti 2024 Europe Central Rest of Total (in € millions) P . the World America Net sales 1,817.3 1,659.3 733.7 4,210.3 Cost of sales (810.7) (790.9) (394.5) (1,996.1) Administra
Slide 39: 2025 First quarter - adjusted operating profit by geographical region
2025 First quarter - adjusted operating profit before and after other operating income (expense) by geographical region Q12025 North and Rest of (in € millions) Europe Central the World Total America Net sales 974.0 940.5 363.3 2,277.8 Cost of sales (433.2) (446.9) (203.7) (1,083.8) Administrative a
Slide 40: 2024 First quarter - adjusted operating profit by geographical region
2024 First quarter - adjusted operating profit before and after other operating income (expense) by geographical region Q1 2024 North and Rest of (in € millions) Europe Central the World Total America Net sales 918.9 767.5 341.8 2,028.2 Cost of sales (411.2) (357.3) (183.5) (952.0) Administrative an
Slide 41: 2025 Second quarter - adjusted operating profit by geographical region
2025 Second quarter - adjusted operating profit before and after other operating income (expense) by geographical region North and Q2 2025 Rest of (in€ millions) Europe Central the World Total America Net sales 965.6 1103.3 427.6 2,496.5 Cost of sales (432.1) (552.5) (233.5) (1,218.1) Administrative
Slide 42: 2024 Second quarter - adjusted operating profit by geographical region
2024 Second quarter - adjusted operating profit before and after other operating income (expense) by geographical region North and Q2 2024 Rest of (in € millions) Europe Central the World Total America Net sales 898.4 891.8 391.9 21824 Cost of sales (399.5) (433.6) (211.0) (1,044.1) Administrative a
Slide 43: 2025 First half - reconciliation of cash flow from operations with profit
2025 First half - reconciliation of cash flow from operations with profit In € millions H12024 H12025 Profit 577.7 629.8 Depreciation, amortization and impairment 179.2 201.4 Changes in other non-current assets and liabilities and long-term deferred taxes 38.8 30.3 Unrealized exchange (gains)/losses
Slide 44: 2025 First half - reconciliation of free cash flow with cash flow from operations
2025 First half - reconciliation of free cash flow with cash flow from operations In€ millions H12024 H1 2025 % change Cash flow from operations 804.4 862.8 +7.3% as % of sales 19.1% 18.1% Decrease (Increase) in working capital requirement (258.1) (284.8) Net cash provided from operating activities
Slide 45: Scope of consolidation (1/2)
Scope of consolidation (1/2) 2024 Full consolidated method MSS ZPE Systems ENOVATION NETRACK DAVENHAM Vass UPSIsTEMAS APP Power Bus Way Circul'R FIRST-HALF RESULTS 2025 Qi Balance sheet only Balance sheet only H1 6 months Balance sheet only Balance sheet only Balance sheet only Balance sheet only Ba
Slide 46: Scope of consolidation (2/2)
Scope of consolidation (2/2) 2025 Full consolidated method MSS ZPE SysTEMs ENOVATION NETRACK DAVENHAM Vass UPSIsTEMAS APP Power Bus Way Circul'R PERFORMATION CRS Linkk Busway Systems AMPERIO PROJECT QuUITERIOS COGELEC FIRST-HALF RESULTS 2025 Qi 3 months 3 months 3 months 3 months 3 months 3 months 3
Slide 47: Investor Relations
s INVESTOR RELATIONS LEGRAND Ronan MARC Tel: +33 (0)1 49 72 53 53 ronan.marc@legrand.com PRESS RELATIONS TBWA Corporate Lucie DAUDIGNY Mob: +33 (0)6 77 20 7111 lucie.daudigny@tbwa-corporate.com Fe FIRST-HALF RESULTS 2025 LI fégrand a7
Slide 48: Disclaimer
Disclaimer The information contained in this presentation has not been independently verified and no representation or warranty expressed or implied is made as to, and no reliance should be placed on, the fairness, accuracy, completeness or correctness of the information or opinions contained herein