POSCO FUTURE M

Agreement on investment on cathode material production

Corporate Citizenship Report of POSCO Chemical

- Introduction of environmental performance including technological innovations in secondary cell materials in response to climate change - Establishment of a safety management system and intensified corporate governance including the BOD, included as main achievements - CEO Min Kyung-zoon stressed, “We will promote sustainability through technological development in secondary cells and bold investment.”

POSCO Chemical make presence at InterBattery 2021

- Records consolidated sales of 467.2 billion and operating profit of 34.3 billion won in Q1, showing a sharp increase from last year - Debt-to-equity ratio drops by over twofold, strengthening financial soundness and accelerating investment on energy materials - Rise in sales to the EV sector improves sales of cathodes by 236% and anodes by 26% YOY - Increased profit by PMC Tech following the rising demand for electrode rods reflected in the net profit

POSCO Chemical has completed setting up smart factory model with world-best quality management, which will be utilized on further manufacturing effort

- POSCO Chemical to supply essential battery materials, cathodes and anodes, to Ultium Cells, and enter the global market in earnest - Developed proprietary anodes with low-volume expansion for GM EV batteries with longer life and rapid charging - Backed by the support of POSCO Group, synergy is expected from the integration of separate businesses, and R&D to obtain visible results in the secondary cell sector - Will accelerate growth with differentiated competitiveness by developing market-leading products and securing a value chain for raw materials

POSCO Chemical to supply essential battery materials, cathodes and anodes, to Ultium Cells, and enter the global market in earnest

- POSCO Chemical is set to secure market-leading technology and quality to rise to the global top-tier in chemicals and secondary cells - Safety at work presented as the highest value equivalent to the lives of employees and their families - Small scale event held under strict preventive measures at Pohang headquarters, and broadcast live to all employees through in-house broadcasting

Will expand the annual cathode output to 100,000 tons - The Gwangyang cathode plant is set to expand the high-nickel NCMA production line for next-generation EVs - Annual production capacity is set to grow by 30,000 tons, and a 100,000-ton production system will be running in 2023 - Investment on next-generation materials to secure a future growth engine and boost competitiveness of customers