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SIKA – RESILIENT PERFORMANCE IN FIRST NINE MONTHS Sika Investor Presentation Nine-Month Results October 24, 2025
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RESILIENT PERFORMANCE IN FIRST NINE MONTHS 2 1. Nine-month results: resilient despite market weakness in China Sales increase of 1.1% in local currencies in the first nine months despite a double-digit decline in China’s construction business; foreign currency impact of -4.9% primarily due to weaker US dollar Material margin increases to 55.0% (previous year: 54.7%) and EBITDA margin rises to 19.2% (previous year: 19.1%) Key investments reinforce the Group’s market position: five acquisitions and seven new factories MBCC integration completed, realization of increased synergies on track 2. Investment and efficiency program “Fast Forward” Sika is making structural adjustments in ongoing weak markets, such as China, with anticipated one-off costs of CHF 80 to 100 million, incurring in 2025. The measures include a workforce reduction of up to 1,500 employees These adjustments are part of an investment and efficiency program, “Fast Forward”, which builds on Sika’s leadership position, enhances customer value, improves operational excellence through digital acceleration and thus drives growth and profitability The program also includes investments of CHF 120 to 150 million and will drive overall annual savings of CHF 150 to 200 million 3. Outlook for the 2025 business year and medium-term guidance Outlook for 2025: Sika confirms expectations of modest increase in local currency sales; EBITDA margin of approximately 19% after one-off costs Medium-term guidance: Sika confirms profitability and cash-flow expectations with 20%+ EBITDA margin targeted as of 2026; new growth guidance of 3-6% in local currencies reflects revised market growth assumption ACQUISITION GROWTH OF 1.1%
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NINE -MONTH RESULTS: RESILIENT DESPITE MARKET WEAKNESS IN CHINA
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GLOBAL GROWTH OF 1.1% IN LOCAL CURRENCIES 4 ACQUISITION EFFECT OF 1.1% +2.9% Americas +2.1% EMEA 3.00 3.83 -3.9% Asia/Pacific 1.75 +1.1% GROUP 8.58 9M 2024 (in CHF billion, growth in LC) 9M 2025
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5 NINE MONTHS SALES INCREASE IN LC OF 1.1% SALES IN CHF IMPACTED BY WEAKER US DOLLAR +95.7 9M 2024 (reported) +4.0 Organic Acquisitions 9M 2025 adj. in LC -436.5 FX Impact 9M 2025 (reported) 8’914.9 9’014.6 8’578.1 +1.1% FXOPERATIONAL -3.8% -4.9%
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SIKA ACHIEVES MARGIN EXPANSION IN FIRST NINE MONTHS 6 CATCHING UP WITH CASH FLOW in CHF mn 2024 NS 2025 NS Growth Net sales 8,914.9 100% 8,578.1 100% -3.8% Gross result 4,876 54.7% 4,714.7 55.0% -3.3% Personnel expenses -1,625.8 -18.2% -1,620.6 -18.9% -0.3% Other OPEX -1,549.4 -17.4% -1,449.4 -16.9% -6.5% EBITDA 1,701.7 19.1% 1,644.7 19.2% -3.3% Depreciation and amortization -407.0 -4.6% -406.8 -4.8% 0.0% EBIT 1,294.7 14.5% 1,237.9 14.4% -4.4% Net profit 922.6 10.3% 870.9 10.2% -5.6% Operating free cash flow 849.5 9.5% 629.8 7.3% -25.9%
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INCREASE IN EBITDA MARGIN 7 ABSOLUTE EBITDA IMPACTED BY HIGH FX EFFECT +22.9 +17.4 9M 2024 (reported) Organic Acquisitions 9M 2025 adj. in LC -97.3 FX Impact 9M 2025 (reported) 1’701.7 1’742.0 1’644.7 +2.4% FXOPERATIONAL 19.1% 19.2% 19.3%
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EBITDA MARGIN INCREASED TO 19.2% 8 NEGATIVE LEVERAGE OFFSET BY MATERIAL MARGIN & SYNERGIES in CHF mn EBITDA Sep 24 (reported) +0.3% Organic Material Margin Increase -0.5% Non-Mat Cost Growth / Negative Leverage +0.4% M&A Synergies -0.1% FX Impact EBITDA Sep 25 (reported) 1,701.7 19.1% 1,644.7 19.2% +0.1% Incremental Synergies 0.4%
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9 COMMISSIONING OF SEVEN NEW PLANTS SO FAR IN 2025 KEY INVESTMENTS IN FUTURE GROWTH New plant in Morocco State-of-the-art production technologies for admixtures and mortars New plants in China Xi'an plant: Tile adhesives, cementitious waterproofing, and flooring solutions Suzhou site extension: Advanced bonding and sealing solutions New site extension in Brazil Admixture production to support customers in ready-mix concrete, cement, and mining industries New plant in Kazakhstan Concrete admixtures and mortars New plant in Ecuador Mortar solutions for interior walls and tile adhesives New plant in Singapore Production of mortars
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Acquisitions in Singapore, United Kingdom, North America, and Qatar Investment and Joint Venture in Canada and Switzerland 10 FIVE BOLT-ON ACQUISITIONS SO FAR IN 2025 KEY INVESTMENTS IN FUTURE GROWTH Sika and Sulzer: Joint venture to advance plastics recycling in the construction industry. Pilot projects to commence in Germany, Austria, and Switzerland Giatec Scientific Inc.: Global leader in digital concrete technology platforms specializing in smart testing and AI- driven solutions to optimize concrete quality, durability, and sustainability Elmich Pte Ltd: Innovative and sustainable green roof solutions Cromar Building Products: Flat and pitched roofing products HPS North America, Inc.: Building Finishing Materials and waterproofing solutions Gulf Additive Factory LLC: Including concrete admixtures, mortars, flooring, waterproofing Marlon Tørmørtel A/S: Strong portfolio of mortar products
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MBCC INTEGRATION COMPLETED 11 Synergy generation with exceptional progress REALIZATION OF INCREASED SYNERGIES ON TRACK (in CHF million) 2023 2024 2025 2026 41 125 160 to 180 200 to 220 Synergy targets raised by CHF 20 million
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FAST FORWARD INVESTMENT AND EFFICIENCY PROGRAM
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Sika is making structural adjustments in ongoing weak markets, such as China, with anticipated one-off costs of CHF 80 to 100 million, incurring in 2025. The measures include a workforce reduction of up to 1,500 employees. These adjustments are part of an investment and efficiency program, “Fast Forward”, which builds on Sika’s leadership position, enhances customer value, improves operational excellence through digital acceleration, and thus drives growth and profitability. The program also includes investments of CHF 120 to 150 million and will drive overall annual savings of CHF 150 to 200 million. Full impact expected in 2028. 13 SIKA LAUNCHES STRATEGIC INVESTMENT PROGRAM TO FAST FORWARD ITS INDUSTRY LEADERSHIP Details of investment and efficiency program to be presented at an investor and media conference on November 27, 2025
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CONSISTENT STRATEGY EXECUTION
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SIKA’S UNIQUE POSITIONING AND SELLING PROPOSITION COMPETITIVE LANDSCAPE Sika Market Share 12% Leading Market Share Sika Target Markets Exceptional Positioning Top 30 competitors (incl. Sika) account for 50% of market Building Finishing ~20% of total sales Industry ~15% of total sales Roofing ~15% of total sales Engineered Refurbishment ~10% of total sales Waterproofing ~10% of total sales Sealing & Bonding ~10% of total sales Concrete ~15% of total sales Flooring & Coating ~10% of total sales 12% 15
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16 DUE TO REVISED MARKET GROWTH ASSUMPTION STRATEGY 2028 – WITH NEW GROWTH GUIDANCE
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OUTGROWING ITS PEERS SIKA GAINING MARKET SHARE IN CHALLENGING MARKETS 17 Average Organic Growth difference per year 2.8% Sika without China Construction vs Peers, Organic Growth 0.1% 1.8% 1.5% -3.1% -0.9% -1.0% 2023 2024 HY 2025 Sika wo China Construction Peers Average Organic Growth difference per year 2.6% Sika vs Peers, Organic Growth 1.2% 1.1% 0.6% -3.1% -0.9% -1.0% 2023 2024 HY 2025 Sika Peers 2023 – HY 2025
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INFRASTRUCTURE BALANCED BUSINESS MIX STRONG CROSS-SELLING IN THE VERTICAL MARKETS COMMERCIAL RESIDENTIAL AUTOMOTIVE & INDUSTRY 18 SALES 20% SALES 30% SALES 15% SALES 35%
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STRONG BUSINESS EXECUTION 19 GLOBAL SOLUTIONS FOR INFRASTRUCTURE AND DATA CENTERS With a length of 2.5 km, the longest cable- stayed bridge in North America Gordie Howe International Bridge, USA and Canada 16 tunnels and 20 bridges on a 41 km long highway section M2 Highway, Montenegro 95% reduction of sewage pollution into the River Thames Thames Tideway Tunnel, UK CHF 810 billion data center investment globally by 2028 Focus on speed, quality, and carbon footprint Solutions for Critical Infrastructure Projects Solutions for Data Centers
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20 GLOBAL SURGE IN DATA CENTER CONSTRUCTION DATA CENTERS Estimated global investment of CHF 810 billion by 2028 High costs for IT equipment (quality and protection) High-quality building envelope of vital importance Global double-digit annual power demand growth North America: 1,125 data centers Latin America: 50 data centers EMEA: 245 data centers Asia/Pacific: 531 data centers Demand for data center capacity is projected to quadruple by 2030
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21 SIKA’S “PEACE OF MIND” SOLUTIONS FOR DATA CENTER OWNERS DATA CENTERS Roofing Systems Waterproofing Concrete Admixtures & Fibers Movement Joints Fire Protection Flooring Systems
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STRONG BUSINESS EXECUTION 22 INNOVATION POWER Sika Fibers for Reinforced Concrete Concrete Recycling Self -healing Membrane for Modern Flat Roofs Higher durability and longer lifecycle of concrete Best practice for reducing CO2 emissions* A total of 500 million m3 of fresh concrete discarded every year Innovative admixtures that simplify recycling Membrane automatically seals damages when exposed to water, ensuring long-term waterproofing Higher lifespan, longer lifecycle *Avoided Emissions Initiative led by the World Business Council for Sustainable Development (WBCSD)
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STRONG BUSINESS EXECUTION 23 Sika conductive flooring systems eliminate transfer of electrical charge to sensitive electrical and electronic equipment Prevent damages to microelectronic parts INNOVATION POWER Quick and easy to apply, increased efficiency on job site and improved health & safety for applicator 50% lower carbon footprint Conductive Flooring Systems for Protection of Sensitive Equipment Cement -free Tile Adhesives
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STRONG BUSINESS EXECUTION 24 SIKA’S M&A STRATEGY IS HIGHLY ACCRETIVE Pre-synergy Multiple (EBITDA) Post-Synergy Multiple (EBITDA) Synergies drive multiples down by 4x on average* Strong track-record of accretive acquisitions, unlocking substantial post-synergy value Historic post-synergy acquisition multiples prove efficient synergy generation, boosting profitability, and successful capture of operational and revenue improvements *Multiples in third full year post closing
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STRONG BUSINESS EXECUTION HIGH ENGAGEMENT SCORE OF 86 25 ENGAGEMENT SCORE 86 HIGH ENGAGEMENT SCORE OF 86 Fueled by strong purpose and confidence in management and strategy
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OUTLOOK
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OUTLOOK 27 2025 BUSINESS YEAR AND MEDIUM-TERM GUIDANCE Outlook for 2025 Sika confirms expectations of modest increase in local currency sales; EBITDA margin of approximately 19% after one-off costs Medium-term guidance Sika confirms profitability and cash-flow expectations with 20%+ EBITDA margin targeted as of 2026; new growth guidance of 3-6% in local currencies reflects revised market growth assumption
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THANK YOU.
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FORWARD-LOOKING STATEMENT 29 This presentation contains certain forward-looking statements. These forward-looking statements may be identified by words such as ‘expects’, ‘believes’, ‘estimates’, ‘anticipates’, ‘projects’, ‘intends’, ‘should’, ‘seeks’, ‘future’ or similar expressions or by discussion of, among other things, strategy, goals, plans or intentions. Various factors may cause actual results to differ materially in the future from those reflected in forward-looking statements contained in this presentation, among others: Fluctuations in currency exchange rates and general financial market conditions Interruptions in production Legislative and regulatory developments and economic conditions Delay or inability in obtaining regulatory approvals or bringing products to market Pricing and product initiatives of competitors Uncertainties in the discovery, development or marketing of new products or new uses of existing products, including without limitation negative results of research projects, unexpected side-effects of pipeline or marketed products Increased government pricing pressures Loss of inability to obtain adequate protection for intellectual property rights Litigation Loss of key executives or other employees Adverse publicity and news coverage Any statements regarding earnings per share growth are not a profit forecast and should not be interpreted to mean that Sika’s earnings or earnings per share for this year or any subsequent period will necessarily match or exceed the historical published earnings or earnings per share of Sika. For marketed products discussed in this presentation, please see information on our website: www.sika.com All mentioned trademarks are legally protected.