#1Zurich, 20 March 2024 Investor presentation Andreas Müller, CEO | Mads Joergensen, CFO +GF+ © GF v3.0#2+ Disclaimer This publication constitutes neither an offer to sell nor a solicitation to buy securities of Georg Fischer AG or of any other company and it does not constitute a prospectus or similar notice within the meaning of articles 35 et seqq. or 69 of the Swiss Financial Services Act. Copies of this publication may not be sent to jurisdictions or distributed in or sent from or otherwise made publicly available in jurisdictions, in which this is barred or prohibited by law. This publication constitutes advertising in accordance with article 68 of the Swiss Financial Services Act. Such advertisements are communications to investors aiming to draw their attention to financial instruments. Any investment decisions with respect to any securities should not be made based on this advertisement. This communication is being distributed only to, and is directed only at (i) persons outside the United Kingdom, (ii) persons who have professional experience in matters relating to investments falling within article 19(5) of the Financial Services and Markets Act 2000 (Financial Promotion) Order 2005 (the "Order") or (iii) high net worth entities, and other persons to whom it may otherwise lawfully be communicated, falling within Article 49(2) of the Order (all such persons together being referred to as "Relevant Persons"). Any investment or investment activity to which this communication relates is available only to Relevant Persons and will be engaged in only with Relevant Persons. Any person who is not a Relevant Person must not act or rely on this communication or any of its contents. This communication does not constitute an "offer of securities to the public" within the meaning of Regulation 2017/1129 of the European Union (the "Prospectus Regulation") of the securities referred to in it (the "Securities") in any member state of the European Economic Area (the "EEA") or, in the United Kingdom ("UK"), the Regulation (EU) 2017/1129 as it forms part of domestic law by virtue of the European Union (Withdrawal) Act 2018, as amended (the "UK Prospectus Regulation"). Any placements of the Securities to persons in the EEA or the UK will be made pursuant to an exemption under the Prospectus Regulation or the UK Prospectus Regulation (as applicable), as implemented in member states of the EEA or the UK, from the requirement to produce a prospectus for offers of the Securities. The securities referred to herein have not been and will not be registered under the US Securities Act of 1933, as amended (the "Securities Act"), and may not be offered or sold in the United States or to US persons (as such term is defined in Regulation S under the Securities Act) unless the securities are registered under the Securities Act, or an exemption from the registration requirements of the Securities Act is available. The issuer of the securities has not registered, and does not intend to register, any portion of the placements in the United States, and does not intend to conduct a public offer of securities in the United States. The securities are being offered and sold outside the United States in reliance on Regulation S and within the United States to "Qualified Institutional Buyers" (as defined in Rule 144A under the Securities Act ("Rule 144A")) in reliance on Rule 144A. Prospective purchasers are hereby notified that sellers of the Securities may be relying on the exemption from the provisions of Section 5 of the Securities Act provided by Rule 144A. This publication or the information contained therein is not being issued and may not be distributed in the United States of America, Canada, Australia, Japan or any other jurisdiction in which the distribution or release would be unlawful or require registration or any other measure and does not constitute an offer of securities for sale in such countries. Opinions expressed herein reflect the current judgement of the management of GF. The presentation contains forward-looking statements that involve risks and uncertainties. The actual results of GF may differ materially from those anticipated in these forward-looking statements and forecasts as a result of a number of factors. The management of GF does not accept any liability whatsoever with respect to the use of this presentation. 2 Zurich, March 20 2024 | Investor presentation | Kepler Cheuvreux 25th Swiss Seminar +GF+ © GF v3.0#3+ Investor presentation Pioneering industrial technology GF Corporate GF Piping Systems GF Casting Solutions GF Machining Solutions GF Uponor 1802 GF founded in Schaffhausen 1864 1897 First piping First automotive 1921 First systems product part +GF+ 2 Johann Conrad Fischer Malleable iron fitting As of 1900 GF develops wheels made of cast steel for trucks and cars 3 Zurich, March 20 2024 | Investor presentation | Kepler Cheuvreux 25th Swiss Seminar machinery 2023 A fourth division Uponor GF acquires the Machine Factory Rauschenbach for agricultural machinery GF acquires the Finnish company Uponor +GF+ © GF v3.0#4+ Investor presentation Strong performance on par with last year's record level (in CHF) Sales 4.0 billion consolidated excl. Uponor 3.9 billion 3.7% organic growth EBIT margin 9.1% consolidated 9.7% comparable* 9.8% excl. Uponor excluding PPA effects on inventory and items affecting comparability related to Uponor acquisition 4 Zurich, March 20 2024 | Investor presentation | Kepler Cheuvreux 25th Swiss Seminar EBITDA margin Dividend proposed 12.7 % comparable* 1.30 CHF per share Free cash flow 134 million before acquisitions ROIC 23.8% excl. Uponor +GF+ © GF v3.0#5+ Investor presentation Going forward: A strong global presence with focus on flow solutions 2023 sales pro forma* / (full-year 2022) 2023 sales pro forma* per division (in CHF million) Water and Flow solutions share 64% per region (in %) Rest of world GF Machining Solutions 4% (5%) 887 Asia 23% Europe (30%) 2'066 48% 5.1 (43%) billion GF Casting Solutions 910 5.1 billion 25% (22%) Americas Uponor included pro forma for the full-year 2023 5 Zurich, March 20 2024 | Investor presentation | Kepler Cheuvreux 25th Swiss Seminar GF Uponor GF Piping 1'187 Systems +GF+ © GF v3.0#6+ Investor presentation Strong positions in a diverse portfolio of markets and industries Consumer goods Aerospace Industrial water treatment. Home appliances Infrastructure Chemical Process industry Packaging Building ICT/Electronics Life science technology Automotive 6 Zurich, March 20 2024 | Investor presentation | Kepler Cheuvreux 25th Swiss Seminar Microelectronics Industrial applications General education Medical Cooling Machinery Marine Data Center +GF+ © GF v3.0#7+ Investor presentation Becoming the leader in Water and Flow Solutions; Uponor acquisition major milestone 2023 peers overall and piping sales in EUR billion - pro-forma 5.1 36% 4.1 3.3 3.2 2.5 46% 100% 67% 1.9 Legend: 64% 1.3 Overall sales 1.0 54% 50% Other businesses 100% 100% 100% 33% 50% Piping share +GF+ uponor Oaliaxis aalberts IGEBERIT wavin viega MUELLER Source: Company information & filings; Geberit Piping: Piping Systems division; Aalberts Piping: Building Technology division; Wavin is Orbia's Building & Infrastructure division 7 Zurich, March 20 2024 | Investor presentation | Kepler Cheuvreux 25th Swiss Seminar +GF+ © GF v3.0#8+ Investor presentation Leader in corporate sustainability CDP DISCLOSURE INSIGHT ACTION A LIST 2023 CLIMATE GOLD 2023 ecovadis Sustainability Rating 3× Sales with social or environmental 3x benefits as % of total sales 80 70 68% 70 63% 60 60 CO₂e emissions2 Scope 1 and 2, in 1'000 tonnes 350 330 70% 300 273 250 236 231 214 31% newly appointed managers are women² (Target 2025: 25%) 50 40 40 30 20 10 200 150 100 50 0 0 2022 2023 Target 2025 Baseline 2021 2022 2023 Target 2026 1 excluding GF Uponor 2 excluding GF Uponor and GF Corys 8 Zurich, March 20 2024 | Investor presentation | Kepler Cheuvreux 25th Swiss Seminar +GF+ © GF v3.0#9+ Investor presentation Strong ESG profile with proven track record well aligned with recent acquisitionsand ratings Rating agency CDP DISCLOSURE INSIGHT ACTION ecovadis SUSTAINALYTICS Rating A (transparency and performance on climate change) Gold for GF Piping Systems, GF Uponor, GF Casting Solutions; Silver for GF Machining Solutions Ranking 121 out of 588 Sustainability achievements across divisions and regions GOLD 2023 ecovadis Sustainability Rating MSCI AA SCIENCE BASED TARGETS DRIVING AMBITIOUS CORPORATE CLIMATE ACTION ISS ESG Successfully validated Targets for greenhouse gas reduction B- prime status Source: Company information, Sustainalytics, CDP, ISS and Ecovadis 9 Zurich, March 20 2024 | Investor presentation | Kepler Cheuvreux 25th Swiss Seminar FORM P350 +GF+ +GF+ Econowatt PVC PV Bio-Attributed Bio-A +GF+ © GF v3.0#1010 + Investor presentation Strategy targets 2025 lifted following the acquisition of Uponor (in CHF) CHF 4.4 - 5.0 billion* Sales *including acquisitions CHF 5.0 5.5 billion* Sales - *including acquisitions / Uponor x 9 - 11% EBIT margin 20-22% Return on invested capital 13-15% EBITDA margin 10-12% EBIT margin 20-24% Return on invested capital GF plus Strategy 2025 Zurich, March 20 2024 | Investor presentation | Kepler Cheuvreux 25th Swiss Seminar +GF+ © GF v3.0#11+ Investor presentation Outlook 2024: GF is well positioned to benefit from global long-term trends Energy efficiency in buildings Urbanization & immigration Digitalization & Al Labor shortage & automation Water scarcity 47 Energy transition 11 Zurich, March 20 2024 | Investor presentation | Kepler Cheuvreux 25th Swiss Seminar Despite subdued economic conditions, gradual improvement expected during the year. Further organic growth for the full year 2024. Profitability expected within revised strategic range 2025. +GF+ © GF v3.0#1212 + Investor presentation Thank you Becoming better every day - since 1802 Zurich, March 20 2024 | Investor presentation | Kepler Cheuvreux 25th Swiss Seminar +GF+ © GF v3.0