Stellantis Media Site Stellantis and Factorial Energy to Jointly Develop Solid-state Batteries for Electric Vehicles Contact: John Williams Scoville PR Factorial (206) 660-5503 (office) jwilliams@scovillepr.com Pierre-Olivier Salmon Stellantis +33 6 76 86 45 (office) pierreolivier.salmon@stellantis.com Stellantis and Factorial Energy to Jointly Develop Solid-state Batteries for Electric Vehicles November 30, 2021,  Amsterdam - Stellantis N.V. (NYSE / MTA / Euronext Paris: STLA) and Factorial Energy (Factorial) announced today the signing of a joint development agreement to advance Factorial’s high-voltage traction solid-state battery technology. The agreement also includes a strategic investment from Stellantis. “Our investment in Factorial and other highly recognized battery partners boosts the speed and agility needed to provide cutting-edge technology for our electric vehicle portfolio,” said Stellantis CEO Carlos Tavares. “Initiatives like these will yield a faster time to market and a more cost-effective transition to solid-state technology.” Factorial has developed breakthrough solid-state technology that addresses key issues holding back wide-scale consumer adoption of electric vehicles: driving range and safety. “It is a great honor to partner with Stellantis, a leading global mobility player, which has some of the most iconic auto brands in the world,” said Siyu Huang, co-founder and CEO of Factorial Energy. “It is an incredible opportunity for us to advance the adoption of our clean, efficient and safe solid-state battery technology to the mass market.” Stellantis announced during its EV Day program in July 2021 its target of having the first competitive solid-state battery technology introduced by 2026. Factorial’s advances are based on FEST™ (Factorial Electrolyte System Technology), which leverages a proprietary solid electrolyte material that enables safe and reliable cell performance with high-voltage and high-capacity electrodes and has been scaled in 40Ah cells that perform at room temperature. FEST is safer than conventional lithium-ion technology, extends driving range, and is drop-in compatible for easy integration into existing lithium-ion battery manufacturing infrastructure.  Stellantis North AmericaStellantis (NYSE: STLA) is one of the world’s leading automakers, aiming to provide clean, safe and affordable freedom of mobility for all. In North America, it's best known for producing and selling vehicles in a portfolio of iconic, innovative and award-winning brands, including Jeep®, Chrysler, Dodge//SRT, Ram, Alfa Romeo and Fiat. Stellantis is executing its Dare Forward 2030, a bold strategic plan that paves the way to achieve the ambitious target of becoming a carbon net zero mobility tech company by 2038, while creating added value for all stakeholders. Follow company news and video on:Company blog: http://blog.stellantisnorthamerica.comMedia website: http://media.stellantisnorthamerica.comCompany website: www.stellantis.comLinkedIn: https://www.linkedin.com/company/StellantisFacebook: https://www.facebook.com/StellantisNAInstagram: https://www.instagram.com/stellantisnaTwitter: @StellantisNAYouTube: http://youtube.com/StellantisNA