Earnings release
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PRESS RELEASE PAGE 1 OF 5 WWW.MERSEN.COM MERSEN: NINE-MONTH 2025 SALES OF €895 MILLION IN A CONTRASTING GLOBAL MARKET ENVIRONMENT • Quarterly sales of €285 million, bringing total nine -month sales to €895 million (down 4.1% on an organic basis) • Organic growth in the third quarter in line with the first half of the year, down 4.3%: o accelerated growth in the Electrical Power segment, thanks to power electronics and electrical distribution projects in North America o downturn in Advanced Materials, with a particularly low level of sales in the solar and SiC semiconductor markets, partially offset by continued momentum in transportation markets and a recovery in sales of silicon semiconductors • For full-year 2025, the Group now expects: o organic sales growth of between -5% and -3% (compared with between -5% and 0% previously); o EBITDA margin before non -recurring items of around 16% (compared with between 16% and 16.5% previously); o operating margin before non-recurring items confirmed between 9% and 9.5%; o capital expenditure revised downwards significantly, to between €140 million and €150 million (compared with between €160 million and €170 million previously). The Group is holding a webcast and conference call in French with simultaneous translation into English today at 6:00 p.m. CET (details on the last page). PARIS, OCTOBER 23, 2025 – Mersen (Euronext FR0000039620 – MRN), a global expert in electrical power and advanced materials, today reported consolidated sales of €895 million for the first nine months of 2025, representing a contraction of 4.1% on an organic basis. Luc Themelin, Mersen’s Chief Executive Officer, said: “In a contrasting environment, Mersen’s performance demonstrates the strength of its diversified business model , with good momentum in the aeronautics, rail, power electronics and electrical distribution markets partly offsetting the lackluster solar and SiC semiconductor segments. We do not expect any recovery in the solar market between now and the end of the year, which is why our sales forecasts have been revised to the lower end of the range initially forecasted. We remain focused on market opportunities and cash flow generation to suppor t the Group's sustainable performance and to achieve our medium-term objectives.”
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PRESS RELEASE PAGE 2 OF 5 WWW.MERSEN.COM NINE-MONTH 2025 SALES Mersen’s consolidated sales for the first nine months of 2025 totaled €895 million, down 4.1% on an organic basis versus the same period in 2024. Prices increased by around 1% over the period. The unfavorable currency effect represented around €22 million, and was mainly due to the depreciation of the Chinese renminbi and the US and Canadian dollars. The scope effect reflects the contribution of acquisitions made in 2024 in the United States. In millions of euros 9M 2025 9M 2024 Organic growth Scope effect Currency effect Reported growth Advanced Materials 464.2 520.1 -11.9% +3.5% -2.6% -10.7% Electrical Power 430.8 412.7 +5.8% +0.8% -2.0% +4.4% Europe 294.1 304.1 -3.2% +0.2% -0.3% -3.3% Asia-Pacific 187.7 225.6 -14.1% +0.2% -3.4% -16.8% North America 381.8 373.8 0.0% +5.5% -3.2% +2.2% Rest of the world 31.3 29.3 +12.5% -5.1% +6.8% Group 894.9 932.8 -4.1% +2.3% -2.3% -4.1% THIRD-QUARTER 2025 SALES Mersen reported consolidated sales of €285 million for the third quarter of 2025, representing a contraction of 4.3% on an organic basis. The most significant exchange rate fluctuations during the period concerned the depreciation of the US and Canadian dollars, and the Chinese renminbi. The scope effect corresponds to acquisitions made in the second half of 2024. In millions of euros Q3 2025 Q3 2024 Organic growth Scope effect Currency effect Reported growth Advanced Materials 141.1 173.4 -15.3% +0.4% -4.4% -18.6% Electrical Power 143.4 135.3 +9.8% +0.5% -4.0% +5.9% Europe 90.8 96.9 -5.9% 0.0% -0.5% -6.4% Asia-Pacific 59.3 70.6 -10.4% +0.1% -6.4% -16.0% North America 124.4 131.6 -0.6% +1.0% -5.9% -5.5% Rest of the world 10.1 9.6 +7.1% -2.6% +4.3% Group 284.5 308.8 -4.3% +0.5% -4.2% -7.8%
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PRESS RELEASE PAGE 3 OF 5 WWW.MERSEN.COM PERFORMANCE BY SEGMENT Advanced Materials sales totaled €141 million, down 15.3% on an organic basis versus the prior-year period. This trend mainly reflects an ongoing downturn in the solar and SiC semiconductor markets, partly offset by a gradual recovery in silicon semiconductors and good momentum in the rail and aeronautics markets. Deliveries for the chemicals and process industries markets were down, in line with expectations. Electrical Power sales amounted to €143 million, representing organic growth of 9.8% versus the same period in 2024. This significant increase reflects consistently strong demand in the rail and wind power markets and several power electronics projects, as well as healthy business activity in electrical distribution, particularly in the United States. PERFORMANCE BY REGION Sales in Europe saw a moderate decline, with a decline in SiC semiconductors and the energy market, offset by growth in the transportation markets. Business remained resilient in France, while Germany saw a decline. In Asia, Group sales declined 10.4% on an organic basis compared with last year, as a result of a sharp slowdown in the solar market in China and fewer deliveries in the chemicals market. India confirmed its strong growth, driven in particular by the rail market. In North America, business remained robust, despite a year -on-year decline in SiC semiconductor sales. The market for electrical distribution is dynamic, particularly in the data center and energy grid segments. MARKET TRENDS FOR THE FOURTH QUARTER In the fourth quarter, Mersen expects: • continued good momentum in wind power while the solar power market is expected to remain at a low level of sales; • a continued recovery in Si semiconductors and a sequential improvement in the SiC semiconductor market, which will however remain subdued; ongoing projects in power conversion for electricity transmission (HVDC); • continued positive trend s in transportation markets, thanks to numerous projects in rail and aeronautics and the ramp-up of deliveries for ACC for EV batteries; • a decline in the chemicals market, in line with expectations; • process industries that will evolve in line with global macroeconomic trends.
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PRESS RELEASE PAGE 4 OF 5 WWW.MERSEN.COM 2025 GUIDANCE Based on the results for the first nine months of the year, and in particular the low level of sales expected for the solar market, the Group now expects for the full-year 2025: • organic sales growth of between -5% and -3% (compared with between -5% and 0% previously); • EBITDA margin before non-recurring items of around 16% (compared with between 16% and 16.5% previously); • operating margin before non-recurring items confirmed between 9% and 9.5%; • capital expenditure revised downwards, to between €140 million and €150 million (compared with between €160 million and €170 million previously). Given the changes in the main exchange rates since the end of the first quarter, in particular the depreciation of the Chinese renminbi and the US and Canadian dollars, the Group's reported sales target is no longer suitable. The Group confirms its 2029 targets. GLOSSARY Organic growth: Calculated by comparing sales for the year with sales for the previous year, restated at the current year’s exchange rate, excluding the impact of acquisitions and disposals. Scope effect: Contribution from companies acquired in the year, less the contribution from companies sold in the previous year, in relation to sales for the previous year, restated at the exchange rate for the current year and for disposals. Currency effect: Calculated by comparing sales for the previous year at the exchange rate of the previous year with sales for the previous year at the exchange rate of the current year.
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PRESS RELEASE PAGE 5 OF 5 WWW.MERSEN.COM WEBCAST The Group is holding a webcast on October 23, 2025 at 6:00 p.m.: ACCESS LINK (in English) You can ask your questions via chat or by joining the conference call. To join the conference call in English, please register by clicking on this link. FINANCIAL CALENDAR: Full-year 2025 sales: January 28, 2026, after the markets close ------ ABOUT MERSEN Mersen is a global expert in electrical power and advanced materials for high-tech industries. With more than 50 industrial sites and 21 R&D centers in 33 countries around the world, Mersen develops custom- built solutions and delivers key products for clients in order to meet the new technological challenges shaping tomorrow’s world. For over 130 years, Mersen’s teams have focused tirelessly on innovation to accompany its clients and meet their needs. Be it in solar power, electronics, electric vehicles, aerospace or other sectors, wherever technology is progressing, you will always find a bit of Mersen. We work to constantly contribute to progress, striving daily to improve people’s lives and protect the planet. This corporate commitment has been recognized by external rating agencies, EcoVadis (Silver Medal) and MSCI (A rating). MERSEN IS LISTED ON EURONEXT PARIS – COMPARTMENT B INVESTOR AND ANALYST CONTACT MEDIA CONTACT Véronique Boca Guillaume Maujean/Stephan Burklin Mersen Brunswick Tel.: +33 (0)1 46 91 54 40 Tel.: +33 (0)6 89 73 87 86 Email: dri@mersen.com Email: mersen@brunswickgroup.com