Posco in US$4.5bn LFP cathode deal with Samsung SDI
Posco Future M, a unit of Posco Holdings, signed a $4.5 billion deal to supply Samsung SDI with 400,000 tons of LFP cathode materials from 2027 to 2032. This doubles their previous agreement and strengthens their partnership, which began in 2023. The deal aims to improve Posco's capacity utilization and raw material sourcing, with plans to expand into LMO cathodes and synthetic graphite anodes.
How this was made
The 30-second read
Why it matters
The deal is a material, first‑time disclosure that expands Posco's product line and secures Samsung SDI's raw‑material supply.
Market read
A $4.5 bn contract signals growth for the LFP market and may influence related stocks and sector sentiment.
What to watch
Potential regulatory changes on battery materials in key markets could affect contract economics.
Background
The article reports a newly disclosed, multi‑year supply agreement between two major South Korean battery players.
Ticker impact
Posco Future M announced a $4.5 bn five‑year LFP cathode supply deal with Samsung SDI, doubling its prior contract volume.
likely upward pressure as the market prices in higher long‑term demand for LFP cathodes.
Large dollar amount, first disclosure, and expansion of Posco's product portfolio.
Market effects
Strengthens the LFP cathode segment and may benefit other battery‑material suppliers.
Boosts South Korean battery supply chain credibility, supporting regional EV manufacturers.
Adds to global LFP supply capacity, potentially easing shortages for EV makers.
Counterpoint
If LFP demand softens, the long‑term contract could become a cost burden for Samsung SDI.
Key entities
- companyPosco Future M
Battery materials unit of Posco Holdings.
- companySamsung SDI
South Korean battery manufacturer.



