Ad hoc announcement pursuant to Art. 53 LR News Release

Key figures Oerlikon¹as of June 30, 2026 (CHF million)²

¹ Oerlikon refers to continuing operations. ² Due to rounding, some totals may not correspond with the sum of the separate figures. For the reconciliation of operational and reported EBITDA figures, please see earnings presentation. ³ Adjusted for FX change, there was no M&A impact in the comparable period. ⁴ Reported annually and semiannually only.

Michael Suess, Executive Chairman of Oerlikon, stated:

“The strong first half results confirm that Oerlikon is developing in the right direction. Some of our markets are showing steady growth, particularly Aerospace, Energy, Semiconductors and Defense, while a few markets are still flat. The combination of our industry exposure/diversification, regional presence and technology offering allows us to navigate this environment successfully. Based on the strong start of the year and improved visibility for the second half, we are raising our full-year guidance. We look forward to providing a deeper update on our strategy, growth opportunities and long-term financial ambitions at our Capital Markets Day in September.”

Oerlikon 2026 half-year overview

In the first half of 2026, Oerlikon’s order intake increased 19% compared to the first half 2025, to CHF 920 million and sales increased 6.7% to CHF 790 million, at constant FX.

These first six months were characterized by a fragmented geopolitical environment, with persistent trade tensions, ongoing regional conflicts and policy uncertainty. This situation continued to affect supply chains and certain customer decisions.

Despite this challenging context, activities in Aviation, Power Generation and General Industries continued to drive growth in orders and sales, supported by higher volumes and increased critical minerals prices, while Automotive partially offset this performance. Luxury remained stable on a like-for-like basis.

Operational EBITDA was CHF 156 million, or 19.7% of sales, supported by positive effects from footprint optimizations and cost-out actions initiated in 2025, favorable mix effect and inventory reevaluation resulting from higher raw materials prices. Net profit for the first half of the year reached CHF 328 million, including the gain from the Barmag divestment. In addition, Oerlikon successfully continued its deleveraging path, achieving a net debt/Operational EBITDA ratio of 2.5x at the end of H1’26 and reaching its end of year target already six months ahead of schedule.

Update on 2026 outlook

After a strong first half and increasing visibility for the remainder of the year, Oerlikon is raising its full-year guidance. Oerlikon now expects full year sales to increase by mid-single-digit percent at constant FX (previously low single-digit growth) and operational EBITDA margin in the range of 18.5% - 19.5% (previously ~17.5%), assuming Tungsten and Yttrium prices broadly stable at current level.

Segment information

Following the completion of the Barmag divestment in February 2026, Oerlikon has introduced a segment reporting structure that reflects the company’s focused portfolio. Reporting is now organized into three segments: Coating Services, Materials & Equipment and Components.

¹ Adjusted for FX change, there was no M&A impact in the comparable period, ² including Others ³ Operational EBITDA margin and Operational EBIT margin calculated on total sales including intercompany sales

In Coating Services, which comprises Oerlikon’s coating services activities, market conditions remained mixed, the growth in sales in Europe, APAC and the Americas was offset by FX headwinds. Profitability improved with favorable mix, operational leverage and cost-efficiency measures.

In Materials & Equipment, which comprises the production of coating systems, related aftermarket services and advanced materials orders remained strong as customers continue to secure supply of certain critical minerals amid trade tensions and higher raw materials prices. Sales growth was mainly driven by materials, while equipment continued to secure orders.

In Components, which comprises the manufacturing of precision parts, the lower activity in Automotive weighed on the overall segment performance, such as HRSflow, affected by fewer new vehicle model launches due to continued uncertainty in automotive markets. Luxury activities stabilized compared to the previous year with profitability being supported by the restructuring measures implemented in 2025.

Additional Information

To participate in the results’ conference call today at 10:00 CEST, please click on this link to join the webcast. To ask questions in the Q&A session, please dial in.

The interim (half-year) report 2026 in English can be downloaded at http://www.oerlikon.com/interimreport-2026, and the media release can be found at www.oerlikon.com/ir and www.oerlikon.com/pressreleases.

About Oerlikon

Oerlikon (SIX: OERL) is a global leader in surface technologies and advanced materials. With a unique portfolio spanning surface engineering, high-performance materials, coating equipment and components, we make products better by enhancing performance, efficiency and sustainability. Oerlikon serves a wide range of industries, including aerospace, automotive, energy, medical, luxury, semiconductors and tooling. Headquartered in Pfaeffikon, Switzerland, Oerlikon operates in 38 countries with a global workforce of around 10,000 people. In 2025, Oerlikon achieved sales of CHF 1.6 billion.