Mersen – Terra Innovatum and Mersen achieve graphite prototype manufacturing and validation milestone to support first deployment of SOLO™ Micro-Reactor

• Milestone builds on prior agreement for nuclear-grade graphite and supports SOLO™ FOAK (First-of-a-Kind) deployment targeted for 2027 and NOAK (Nth-of-a-Kind) commercialization in 2028 
• Leveraging Mersen’s expertise in nuclear-grade materials, the companies successfully produced a graphite prototype (i.e. an engineering prototype) to support SOLO™ FOAK development 
• The graphite engineering prototype has been successfully manufactured to required tolerances, validating reactor system integration and readiness for scalable, serialized production

NEW YORK, NY / PARIS, FRANCE / GLOBE NEWSWIRE / April 14th, 2026 / – Terra Innovatum Global N.V. (NASDAQ: NKLR), developer of the SOLO™ Micro-Modular Reactor, and Mersen (Euronext FR0000039620 – MRN), a global expert in electrical power and advanced materials, today announced the successful production

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