Meyer Burger Investor Presentation

Irradiation in W/(m²x μm) Meyer Burger and Oxford PV: Breaking through limitations in photovoltaics MEYER BURGER Principle of Perovskite - HJT Tandem Cells 2000 Tandem module AM 1.0 (sun in zenith) 4T 2T (2 Terminal Contacts) (4 Terminal contacts) 1500+ 1000+ 500 -AM 1.5 300 500 750 1000 1250 Top Cell Encapsulation Transparent contact Top cell Perowskite Transparent contact 1500 in nm Wavelength Single cell: Perovskite Bottom Cell Transparent contact I Bottom cell HJT (Si) Rear contact Encapsulation Optical coupling/ Single cells: HJT 20 Meyer Burger Technology Ltd, Presentation for Investors, Analysts and Media Tutorial ☐ ☐ ☐ Perovskite tandem solar cells consist of two independent solar cells combined in a single cell to capture not only the red part but also. more of the blue part of the solar spectrum Perovskite on silicon tandem solar cells have a theoretical efficiency limit of 43% compared to 29% for single-junction silicon solar cells Perovskite on heterojunction silicon solar cells is a perfect combination because: HJT (base) cells exhibit very high efficiency ■ HJT technology requires fewer production steps, hence, additional ease of integration with perovskite top cell ■ HJT cells use a transparent conductive oxide (TCO) layer embedded in the cell structure which is "shared" with perovskite top cell Oxford PV and MB focusing on accelerated industrialization and commercially available perovskite on silicon HJT modules

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