POSCO Holdings Completes Upstream Facility at Second Lithium Brine Plant in Argentina

POSCO Holdings completed an upstream facility at its second lithium brine plant in Argentina, with a $954 million investment. The plant has a 23,000-tonne annual lithium carbonate capacity, bringing the company's total to 48,000 tonnes. POSCO plans to expand production to 50,000 tonnes by 2027 and aims for 100,000 tonnes by 2033 with additional plants. The company signed an MOU with local governments for further investments.

Original reporting
Published Oct 7, 2026, 5:08 AM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Oct 7, 2026, 6:05 AM UTC. Informational, not investment advice.
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POSCO Holdings Completes Upstream Facility at Second Lithium Brine Plant in Argentina — source image
Decision brief

The 30-second read

Low
01

Why it matters

The completion expands POSCO's lithium supply chain, supporting its strategic shift toward resource development and battery materials.

02

Market read

First disclosure of a major lithium production facility, indicating a significant increase in supply capacity for the battery market.

03

What to watch

Currency risk in Argentina and potential regulatory changes could affect profitability.

Relevance 7/10Novelty 7/10Timing: today

Background

POSCO Holdings completed an upstream facility at its second lithium brine plant in Argentina, investing $954 million and targeting 50 kt of lithium hydroxide annual capacity.

Market effects

Adds supply capacity to the lithium sector, potentially easing price pressure.

Strengthens South Korean resource exposure and Argentine mining activity.

Contributes to global lithium supply growth, relevant for EV battery markets.

Counterpoint

The project may face operational delays or cost overruns, limiting near‑term impact.

Key entities

  • POSCO Holdings

    South Korean conglomerate expanding lithium production in Argentina.

  • Hombre Muerto salt flat

    Lithium brine resource in Argentina where the plant is located.

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