Slide 1: Annual Results Presentation 2025
Annual Results Presentation 2025 April 8, 2026
Slide 2: World Leader in MBE
The Reference Equipment Manufacturer for Compound Semiconductors World Leader in MBE 2
Slide 3: A global leader built on an integrated model
A global leader built on an integrated model OUR RESOURCES OUR CONTRIBUTIONS OUR STRENGTHS OUR AMBITION Fully mastered industrial A key player in the A differentiating MBE At the heart of strategic know-how European value chain technology technological challenges • 100% in-house: • 70% of suppliers
Slide 4: Our positioning within our ecosystem
Our positioning within our ecosystem Epitaxy creates the epiwafer, the core of advanced chips. Wafer Epitaxy Chip fabrication Testing and assembly System e.g., chip inside a transceiver and more… and more… and more… and more… and more… and more… 4
Slide 5: From research to industry: MBE driving innovation
From research to industry: MBE driving innovation Each generation of RIBER machines has increased productivity, material compatibility, and industrial integration. 1978 1992 1997 First industrial MBE system MBE 49 MBE 6000 First multi-wafer system Transition to mass for production production 1997 20
Slide 6: Our markets increasingly oriented toward photonics
Our markets increasingly oriented toward photonics DATACOM / DEFENSE & MEDICAL AUTOMOTIVE DISPLAYS UV LEDS TÉLÉCOM SPACE IMAGING PHOTONICS Sensors Ultra-high-sensitivity µLED with pixel LED with the stability ability to Lasers with high thermal stability / low power consumption / long lifetime destr
Slide 7: A complete and integrated offering dedicated to performance and productivity
A complete and integrated offering dedicated to performance and productivity Production machines Embedded instrumentation MBE 49, MBE 6000 EZ instruments High-productivity platforms for Proprietary in-situ measurement industrial environments tools for real-time process control Services Process and t
Slide 8: 2025 Annual Results
2025 Annual Results Strengthened financial fundamentals 8
Slide 9: 2025: growth in line with the target, improved margins and a solid balance sheet
2025: growth in line with the target, improved margins and a solid balance sheet Revenues Net income Financial structure (in €m) (in €m) (in €m) 41,2 40,3 5,2 +27% 27,3 39,3 -2% 23,6 4,1 21,2 3,4 4,7 5,7 3,8 2023 2024 2025 2023 2024 2025 2023 2024 2025 8.7% 10.0% 13.0% Net cash (% of revenues) Share
Slide 10: Systems Business: Sales momentum and ramp-up of ROSIE
Systems Business: Sales momentum and ramp-up of ROSIE Revenues Order book by half-year at December 31 12 systems delivered in 2025, including (in €m) (in €m) 9 production machines 31,0 30,9 First ROSIE unit delivered in H2 2025 29,0 20,2 20,3* +22% Order backlog at end-2025 up +22%: 16,7 6 systems,
Slide 11: Services and Accessories Business: rebound in H2 and growing order book
Services and Accessories Business: rebound in H2 and growing order book Revenues Order book by half-year at December 31 (in €m) (in €m) 2025 revenue impacted by budget restrictions in the United States 10,3 10,2 9,4 -8% Recovery in H2: +8.5% 6,7 5,9 6,6 +31% 6,1 H2 6,4 5,0 Order book up: €6.6m Produ
Slide 12: Increased diversification of served markets
Increased diversification of served markets Revenues Revenues Order book by activity by geographic area by geographic area as of December 31, 2025 as of December 31, 2025 as of December 31, 2025 North America Others Services & Accessories 11% 23% 15% North America 23% €40.3m €40.3m €26.9m* 43% Europ
Slide 13: 2025 Income Statement: Improved margins and strong increase in net income
2025 Income Statement: Improved margins and strong increase in net income €40.3m (en M€ - normes IFRS) 2025 2024 ∆* Revenues Revenues 40.3 41.2 -2.1% (–2%) Slightly lower revenue. The gross Systems revenues 30.9 31.0 -0.3% margin increased with the Services & accessories revenues 9.4 10.2 -7.8% prod
Slide 14: Consolidated Balance Sheet: Strengthening of equity and reduction of debt
Consolidated Balance Sheet: Strengthening of equity and reduction of debt €27.3m At December 31 - in €m 2025 2024 ∆ shareholders’ equity Fixed assets 7.2 7.9 -0.8 (+€3.7m) Deferred tax assets 2.4 1.4 +0.9 Financial and non-current assets 2.2 2.5 -0.2 €1.7m Raw material inventories 8.0 8.2 -0.2 finan
Slide 15: Consolidated Cash Flow Statement
Consolidated Cash Flow Statement At December 31 – in €m 2025 2024 ∆ Consolidated net income 5.2 4.1 +1.1 Operating cash effect 3.0 2.7 +0.3 Cash flow from operations 8.2 6.8 +1.4 before net interest expense and tax - Tax Payments (0.2) (0.1) -0.0 + / - Change in working capital requirements from ope
Slide 16: 2025 Key Financial Ratios
2025 Key Financial Ratios Strengthened profitability and solidity ROCE 17,6% Return on Capital Employed 2025 2024 ∆ ROE 19,2% ROCE (Return on Capital Employed) 17.6% 15.9% +1.7pt Return on Equity ROE (Return on Equity) 19.2% 17.5% +1.7pt Gearing -21% Net financial debt to equity Gearing -21.0% -20.0
Slide 17: Proposed distribution to the Annual General Meeting on June 17
Proposed distribution to the Annual General Meeting on June 17 Distribution Dividend evolution €0.10 (€ per share) (per share action) 0,10 +25% Share price as of December 31, 2025 €3.50 (per share) 0,08 0,07 Yield 2.9% 0,05 0,05 Cash distribution, paid from the share premium account Payment date: Ju
Slide 18: Stock Market Performance
Stock Market Performance Share price performance compared to the CAC Mid & Small index Shareholding structure as of December 31, 2025 ISA Finance, Socodol, Mr. et Mrs. Raboutet 21,3% Free float Ormylia SAS and 54,9% Jacques Kielwasser 2023 2024 2025 2026 23,8% • Market capitalization: • Indexes €117
Slide 19: Our Development Prospects: Strengthening MBE Technology
Our Development Prospects Strengthening MBE Technology 19
Slide 20: RIBER strengthens its MBE technology
RIBER strengthens its MBE technology High-value hybrid platforms Quantum platform - Topological qubit Quantum platform – Topological qubit Cold-deposition chamber at –150 °C for superconducting materials Automated dual platform EPICENTRE project - Automated platform 20 20
Slide 21: Amplifying capabilities through hybridization
RIBER strengthens its MBE technology Amplifying capabilities through hybridization Modularity Flexibility Versatility Active MBE zone MBE + RPCVD MBE + Sputtering 21
Slide 22: Toward machine-learning-enhanced technology
RIBER strengthens its MBE technology Toward machine-learning-enhanced technology Input data Processing, Final objective: Analysis & Increase productivity Control Structural Simulation Software Reproducibility characterization module Machine Stability Process Equipment characterization analytics Unif
Slide 23: Our Development Prospects in silicon-based integrated photonics
Our Development Prospects in silicon-based integrated photonics 23
Slide 24: AI: an industrial challenge
AI: an industrial challenge To address this challenge, data is transmitted in the form of a light wave. NVIDIA is investing $4 billion in photonics for its AI data centers source: NVIDIA – March 2026 24
Slide 25: Information transmission in a data center
Information transmission in a data center Data rates are exploding with AI At the heart of the transceiver lies a key element: ◼ Connections between servers must support the electro-optic modulator speeds of: 100G => 400G => 800 G, … ◼ … while ensuring high speed, minimal latency, low loss, and high
Slide 26: BTO and MBE, two key elements
BTO and MBE, two key elements Comparison of Materials for Electro-Optic Modulators Comparison of Deposition Techniques Techniques Crystal Quality Advantages Drawbacks Maturity - Atomic-level control – Very high - Slow Advanced MBE (excellent) quality - Expensive R&D - Clean interfaces - Good crystal
Slide 27: The Datacom market… and beyond
The Datacom market… and beyond The remarkable properties of BTO/STO/Si will also address the RF and quantum technology markets. 6G / 7G mobile New quantum technologies RF transmitter / receiver Pharmacology Finance Industrial and logistics Chemistry Cryptography optimization STO on Silicon $1–2bn in
Slide 28: RIBER: positioning within this ecosystem
RIBER: positioning within this ecosystem LASER RIBER modulator PHOTODETECTOR RIBER schematic / concept of a photonic chip for Datacom 28
Slide 29: RIBER and the ROSIE Project
RIBER and the ROSIE Project LASER RIBER RIBER ROSIE PHOTODETECTOR RIBER schematic / concept of a photonic chip for Datacom 29
Slide 30: ROSIE: a strategic piece of equipment
ROSIE: a strategic piece of equipment ROSIE – Riber Oxide Silicon Epitaxy A machine compatible with the 300 mm silicon industry A machine using a BTO/STO process to produce the next generation of electro-optic modulators. 30
Slide 31: Our roadmap for ROSIE
Our roadmap for ROSIE ROSIE 1 DEVELOPMENT OF BTO MARKET LAUNCH OF BTO MODULATORS MODULATORS 2025 2026 2027 2028 reactor PHASE 1: PROCESS QUALIFICATION Functional qualification Process qualification Deliveries of ROSIE 1 Samples Multiply productivity H2 2026 Commercial prospecting ROSIE 2 PHASE 2: IN
Slide 32: ROSIE 1: first commercial successes and key partnership
ROSIE 1: first commercial successes and key partnership 2025: POEM partnership 2026: Sale in the United States NQCP/NBI Denmark - EU 2025-2028 Qualification, development Leading player of BTO processes in quantum computing Quantum and Datacom/Telecom in the United States Sales / partnership / sampli
Slide 33: ROSIE 2: production machine configuration
ROSIE 2: production machine configuration cluster Chamber #2 Chamber #1 A CLUSTER VERSION THAT INCREASES CAPACITY, PRODUCTIVITY, AND FLEXIBILITY Completion by the end of 2026 33
Slide 34: ROSIE: mapping of expressions of interest (EOI)
ROSIE: mapping of expressions of interest (EOI) 1 EOI 5 EOI 12 EOI 1 EOI A GLOBAL INTEREST IN THE ROSIE TECHNOLOGY 34
Slide 35: ROSIE aligned with the growth of the BTO chip market
ROSIE aligned with the growth of the BTO chip market BTO Wafers 300 mm. BTO Chips (in units) (in millions of units) Source : Yole Group 2025 A market opportunity with strong acceleration starting in 2027 Demand for 300 mm BTO wafers is expected to be driven by growing needs in datacom and telecom. T
Slide 36: From ROSIE to a 300 mm range
From ROSIE to a 300 mm range DATACOM DISPLAY TELECOM HEALTH Q.COMPUTING LED UV, TELECOM DATACOM OEM µLED Transistor RF TELECOM BTO/STO Laser PIC GaInNAs/GaN AlN/GaN III-V 36
Slide 37: In conclusion
In conclusion A significant A market accelerated The first commercial A differentiating improvement in our by AI, data validations of ROSIE technology at the profitability infrastructures, and and a clear trajectory heart of photonics toward next-generation industrialization architectures Objective:
Slide 38: A strategic player in tomorrow's semiconductors
a strategic player in tomorrow's semiconductors 38
Slide 39: Context: What is MBE (Molecular Beam Epitaxy)?
Context What is MBE (Molecular Beam Epitaxy)? Power, richness, and performance of MBE technology MBE is characterized by an ultra-clean environment made possible through the mastery of ultra-high vacuum. This enables atomically controlled deposition (3 Angstroms) to create nanostructures with perfec