Slide 1: H1'26 Financial Results
H1’26 FINANCIAL RESULTS November 20, 2025
Slide 2: Disclaimer
DISCLAIMER This document is provided by Soitec (the “Company”) for information purposes only. The Company’s business operations and financial position are described in the Company’s 2024-2025 Universal Registration Document (which notably includes the Annual Financial Report) and the Company’s 2025-
Slide 3: Agenda
AGENDA #01 #02 H1’26 H1’26 HIGHLIGHTS FINANCIALS #03 Q&A © Soitec 2025. No copying or distribution permitted. PAGE 3
Slide 4: H1'26 Highlights
H1’26 HIGHLIGHTS 1 H1’26 HIGHLIGHTS © Soitec 2025. No copying or distribution permitted. PAGE 4
Slide 5: In the face of a challenging environment, priority is given to inventory reduction
IN THE FACE OF A CHALLENGING ENVIRONMENT, PRIORITY IS GIVEN TO INVENTORY REDUCTION REVENUE EBITDA(2) OPERATING CASH FLOW -29% 33% 34% Y/Y(1) margin margin €338M €129M €231M €113M €79M €26M H1’25 H1’26 H1’25 H1’26 H1’25 H1’26 (1) At constant exchange rates and perimeter (2) The EBITDA represents oper
Slide 6: H1'26 revenue reflects different dynamics across our divisions
H1’26 REVENUE REFLECTS DIFFERENT DYNAMICS ACROSS OUR DIVISIONS H1’26 REVENUE: €231M, DOWN -29% Y/Y AT CONSTANT PERIMETER AND FX MOBILE COMMUNICATIONS EDGE & CLOUD AI AUTOMOTIVE & INDUSTRIAL €172M -30% -1% -74% Y/Y(1) Y/Y(1) Y/Y(1) €107M €119M €96M 124 61 76 52 €59M +72% +14% H1 Q/Q(1) Imager-SOI Q/Q
Slide 7: Mobile Communications
MOBILE COMMUNICATIONS ACCELERATING DIVERSIFICATION IN THE CONTEXT OF HIGH CUSTOMER INVENTORIES RF-SOI POI FD-SOI REFERENCE SUBSTRATE FOR BECOMING THE REFERENCE SUBSTRATE ONLY SOLUTION FOR FULLY INTEGRATED RF FRONT-END MODULES FOR ADVANCED SAW FILTERS 5G MMWAVE SYSTEM-ON-CHIP 5G CONNECTIVITY BATTERY
Slide 8: Edge & Cloud AI
EDGE & CLOUD AI STRONG MOMENTUM IN PHOTONICS-SOI & FD-SOI, DRIVEN BY AI-RELATED APPLICATIONS Photonics-SOI FD-SOI Imager-SOI OPTIMAL SOLUTION FOR BEST IN CLASS ENERGY-CONSUMPTION FOR IMPROVED IMAGER PERFORMANCE OPTICAL TRANSCEIVERS & CPOs IN DATA CENTERS & PROCESSING COST FOR EDGE AI IN NEAR INFRARE
Slide 9: Automotive & Industrial
AUTOMOTIVE & INDUSTRIAL H1 PERFORMANCE AFFECTED BY STRONG Q4 REPLENISHMENT – DIVERSIFICATION ONGOING Power-SOI FD-SOI SmartSiCTM PERFECT FIT FOR BATTERY MANAGEMENT SYSTEMS SUPERIOR PERFORMANCE FOR ADAS GREENER, FASTER, BETTER >10% SYSTEM HIGHER GOOD FIT FOR ~30% GREENHOUSE ~50% HIGHER ~50% DIE SIZE
Slide 10: New organization designed to strengthen Soitec key pillars
NEW ORGANIZATION DESIGNED TO STRENGTHEN SOITEC 4 KEY PILLARS CLIENT AND PRODUCT CENTRIC ORGANIZATION STRENGTHENS SOITEC’S READINESS TO EXPAND INTO NEW SOI AND BEYOND-SOI END MARKETS AND APPLICATIONS Accelerating product portfolio expansion Balancing exposure to customers and global markets Top 5 Nex
Slide 11: H1'26 Financials
H1’26 FINANCIALS 2 H1’26 FINANCIALS © Soitec 2025. No copying or distribution permitted. PAGE 11
Slide 12: H1'26 Financial Highlights
H1’26 FINANCIAL HIGHLIGHTS P&L CASH FLOW BALANCE SHEET €231m SALES €26m OPERATING CASH FLOW 0.5x LEVERAGE RATIO(4) -29% Y/Y at constant perimeter vs €129m in H1’25 vs 0.3x end of March 2025 and FX rate 34.1% EBITDA MARGIN (1) €56m CAPEX (2) €808m CASH POSITION* vs €120m in H1’25 +€120m vs end of Mar
Slide 13: Revenue in line with guidance
REVENUE IN LINE WITH GUIDANCE DIFFERENT DYNAMICS ACROSS END MARKETS %Change % Change % of H1'26 €m H1’26 H1’25 as reported at constant FX Revenue and scope 15% 11% China USA Mobile 119 172 -31% -30% 52% Communications €231M Edge & H1’26 96 107 -10% -1% 42% REVENUE Cloud AI* 42% 32% Asia excl. Automo
Slide 14: Current operating income at 4.7%
CURRENT OPERATING INCOME AT 4.7% STRICT COST CONTROL WHILE MAINTAINING INVESTMENTS IN R&D €m H1’26 H1’25 Change Gross Margin down 490bps y/y: Revenue 231 338 -32% • Disposal of Dolphin Design Gross profit 58 101 -43% • Lower fab loading compared with previous year (first step towards inventory reduc
Slide 15: Net profit down to -€67m in H1'26
NET PROFIT DOWN TO -€67m IN H1’26 €41m ONE-OFF IMPAIRMENT LOSS ON SMARTSICTM ASSETS €m H1’26 H1’25 €46m Other Operating expenses • €41m impairment loss on SmartSiCTM non-current assets Current operating income 11 28 • €3m Dolphin Design earn-out depreciation Other operating income and expenses (46)
Slide 16: Negative free cash flow at -€31m
NEGATIVE FREE CASH FLOW AT -€31m €m H1’26 H1’25 Aligning FCF definition with market practices. EBITDA(1) 79 113 New definition now includes: Change in working capital (57) 27 • Capital expenditures, irrespective of the way they Inventories (96) (75) are funded (capital expenditures financed through
Slide 17: Leverage ratio remains moderate at 0.5x
LEVERAGE RATIO REMAINS MODERATE AT 0.5X 0.3x Leverage ratio (3) 0.5x -€51m (94) (31) (4) (13) (3) (145) Net debt, Free cash Oceanes FX Others Net debt March 31, 2025 flow 25 Sept 30, 2025 (1) Soitec’s cash position stood at €808m as of September 30, 2025, reflecting a temporarily high level of liqui
Slide 18: Balance sheet
BALANCE SHEET ASSETS - in €m 30 Sept 2025 31 March 2025 LIABILITIES AND EQUITY - in €m 30 Sept 2025 31 March 2025 Intangible assets 99 130 Total Equity 1,474 1,595 Property, Plant & Equipment 919 1,003 Long-term financial debt 536 375 Other non-current assets 118 103 Provisions and other non-current
Slide 19: Q3'26 Outlook
Q3’26 OUTLOOK ORGANIC REVENUE EXPECTED TO GROW MID-TO-HIGH-SINGLE-DIGIT SEQUENTIALLY STRONG AI MOMENTUM OFFSET BY MOBILE INVENTORY CORRECTION & AUTOMOTIVE SOFTNESS Q3’26 ORGANIC REVENUE EXPECTED DISCIPLINED CAPITAL ALLOCATION H2’26 GROSS MARGIN UP MID-TO-HIGH-SINGLE-DIGIT Q/Q & AGILE INVESTMENT STRA
Slide 20: CEO Wrap-up
CEO WRAP-UP In a challenging environment, Focusing on execution and disciplined Q3’26 revenue expected up mid-to- H1’26 performance reflects: capital allocation high-single-digit q/q, organic: Revenue down -29% y/y organic Accelerated Further RF-SOI under-shipment to diversification correct customer
Slide 21: Thank you
THANK YC siitec
Slide 22: Appendix
APPEND siitec
Slide 23: Soitec gross debt maturity
SOITEC GROSS DEBT MATURITY SMOOTHER DEBT REDEMPTION PROFILE €953m Gross debt €953M FINANCIAL GROSS DEBT, INCLUDING €325M OCEANE FULLY REPAID On July 10, 2025, Soitec signed a Schuldschein loan contract, receiving €200m in H1’26 and an additional €22m on October 6, 2025. On September 10, 2025, Soitec