SIKA
BUILDING TRUST

Ad hoc announcement pursuant to Art. 53 LR

▪ 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
▪ 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
▪ 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
▪ Details of investment and efficiency program to be presented at an investor and media conference on November 27, 2025

Sika is advancing its sustainability strategy with the introduction of the Sika® Carbon Compass – an automated platform for calculating Product Carbon Footprints (PCF). The calculation methodology has been independently verified by TÜV Rheinland, Germany, and is in line with internationally recognized standards. With this certified approach, Sika provides reliable, carbon emissions data, allowing its customers to make informed, climate-conscious decisions.

Sika has acquired Marlon Tørmørtel A/S, a mortar manufacturer in Denmark. The company is renowned for its strong product portfolio and its excellent customer service. The acquisition creates a growth platform for Sika in the Nordics, providing exciting opportunities for further market expansion and cross-selling with Sika’s complementary solutions.