SIKA
BUILDING TRUST

Ad hoc announcement pursuant to Article 53 of the Listing Rules of the SIX Exchange Regulation

▪ Sales of CHF 5,676.4 million (previous year: CHF 5,834.8 million) in first half of the year
▪ 1.6% sales increase in local currencies, with 0.6% attributable to organic growth and 1.0% to acquisition effect
▪ Weaker US dollar predominantly responsible for high foreign currency impact of -4.3%
▪ Material margin at a consistently high level of 55.1% (previous year: 55.1%)
▪ EBITDA margin increased to 18.9% (previous year: 18.7%), supported by strong synergy momentum; raised MBCC synergy targets for 2025 and 2026 by CHF 20 million

Targeted investments in future growth:
▪ Strategic acquisition of Elmich (Singapore), Cromar (UK), HPS (USA), and
Gulf Additive (Qatar)
▪ Global production capacity expanded with new factories in Singapore, Xi’an and Suzhou (China), Quito (Ecuador), Ust-Kamenogorsk (Kazakhstan), Belo Horizonte (Brazil), and Agadir (Morocco)

Outlook for the 2025 business year:
▪ Amid uncertain market development, Sika will continue to grow above the market and is focusing on margin improvement
▪ Modest sales increase in local currencies expected for the full year
▪ Successful integration of MBCC – increased synergy targets for 2025 and 2026
▪ Over-proportional EBITDA increase and EBITDA margin of between 19.5% and 19.8%

▪ Strategic medium-term targets for sustainable, profitable growth confirmed for 2028

Sika has acquired Gulf Additive Factory LLC in the State of Qatar. The company manufactures a wide range of construction chemical products and has a strong standing in the fast-growing Qatar construction market. The acquisition strengthens Sika’s foothold in the country and provides exciting opportunities for further expansion.

Sika continues to deliver on its Local-for-Local strategy with the launch of three new manufacturing investments in China, Brazil, and Morocco—reinforcing its commitment to serving customers with local production, global expertise, and sustainable innovation.