SIKA DELIVERS 4.0% LOCAL CURRENCY REVENUE GROWTH AND UPGRADES FULL-YEAR GROWTH EXPECTATIONS

SIKA DELIVERS 4.0% LOCAL CURRENCY REVENUE GROWTH AND --> Accessibility: Skip TopNav English German SIKA DELIVERS 4.0% LOCAL CURRENCY REVENUE GROWTH AND UPGRADES FULL-YEAR GROWTH EXPECTATIONS July 27, 2026 23:00 ET | Source: Sika AG Sika AG Ad Hoc Announcement Pursuant to Article 53 of the SIX Exchange Regulation Listing Rules SIKA DELIVERS 4.0% LOCAL CURRENCY REVENUE GROWTH AND UPGRADES FULL-YEAR GROWTH EXPECTATIONS Sika posts half-year sales growth of 4.0% in local currencies; reported sales of CHF 5.59 billion; (-1.5% in CHF, including a foreign currency effect of -5.5%) Organic growth of 2.9%; acquisition effect of 1.1% Material margin up 60 bps year on year to 55.7% EBITDA of CHF 1.06 billion, with an EBITDA margin of 19.0%; up 10 bps year on year Net profit of CHF 552.1 million (2025: CHF 554.4 million); diluted earnings per share of CHF 3.43 (2025: CHF 3.45) Operating free cash flow of CHF 139.6 million (2025: CHF 181.9 million) Fast Forward program on track to deliver CHF 80 million in savings in 2026 Record employee engagement score of 88 index points, surpassing strategic target Outlook for 2026: Sales growth now expected 3% to 6% in local currencies; EBITDA margin of 19.0% to 19.5%. Sika is comfortable with current consensus CHF EBITDA expectations Medium-term targets for sustainable, profitable growth reaffirmed under Strategy 2028 In the first half of the year, Sika delivered 4.0% revenue growth in local currencies, with organic growth of 2.9%. In the second quarter, both local currency and organic growth accelerated compared to the first quarter, reaching 6.8% and 5.7%, respectively, with each region recording stronger revenue growth. Thomas Hasler, CEO: “In the first half of the year, Sika delivered improved momentum, with the second quarter building on our good start to the year. Our investments in industry-leading innovation, efficient global manufacturing and sourcing, and our digital transformation allowed us to continue to gain market share throughout the first half of the year. Our focus on delivering a best-in-class customer value proposition and forging strong customer partnerships meant that we outpaced the construction market. As a result of our accelerating leadership in strategically important growth segments such as infrastructure and data centers, we expect to continue outperforming the industry. More and more customers are relying on Sika for their most critical projects because of our expertise and innovative solutions. We continuously innovate to develop and offer industry-leading products, and we partner with customers to deliver the best solutions. Our customer focus allows us to protect our leading margins.” “The Fast Forward program further strengthens our competitive position and our profitability. We will accelerate innovation, channel investments, digitalization, and strengthen our customer focus while delivering CHF 80 million in cost savings this year.” “I am extremely proud of the outstanding results of our Global Employee Survey. The engagement score of 88 index points reflects the exceptional motivation and commitment of our employees worldwide. In the first half of the year, our teams once again contributed to our strong results through their dedication and customer focus. Their engagement is the driving force behind Sika’s success.” “Our year started strongly against a muted market and geopolitical uncertainty. Our continued share gains across our markets enable us to raise our revenue growth guidance from 1–4% to 3–6% in local currencies. We are comfortable with current consensus CHF EBITDA expectations.” INCREASED MATERIAL MARGIN – EBITDA MARGIN RISES TO 19.0% In the first half of 2026, Sika grew its material margin to 55.7% (2025: 55.1%). The key factors behind this increase were a sustained focus on product innovation, procurement efficiency, and pricing. Half-year EBITDA amounted to CHF 1,063.0 million (2025: CHF 1,070.4 million), representing a margin of 19.0% (2025: 18.9%). Net profit in the reporting period amounted to CHF 552.1 million (2025: CHF 554.4 million). Operating free cash flow amounted to CHF 139.6 million (2025: CHF 181.9 million). GAINS IN MARKET SHARE ACROSS ALL REGIONS Sika accelerated local currency growth in the EMEA region (Europe, Middle East, Africa) to 7.7% (2025: 1.9%) in the first half of the year. Eastern Europe in particular recorded strong growth. Germany showed an improved second quarter performance. After a dip in March, the Middle East showed significant momentum in the second quarter and achieved strong double-digit growth, driven by infrastructure investment projects. Across the EMEA region, Sika’s agile and resilient supply chain has proven to be a structural advantage – deepening existing customer partnerships and accelerating new wins. Sales in local currencies in the Americas region increased by 2.9% (2025: 3.5%). After a slow start to the year, regional performance improved in the second quarter. Infrastructure investme