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SK Innovation Reabsorbs SKIET for Battery Separator Stability

SK Innovation will absorb its battery separator subsidiary, SK IE Technology (SKIET), bringing the unit back under direct control. This merger reverses a 2019 spinoff, targeting financial stability and operational streamlining for the struggling business.

By Marcus YeoPublished 30 August 20262 min read
Photo: Ayyeee Ayyeee / Pexels

Merger Details Emerge

SK Innovation will absorb its battery separator subsidiary, SK IE Technology (SKIET), reclaiming direct control of the business. The companies' boards approved the merger on Tuesday, aiming to strengthen SKIET’s financial stability. This move also seeks to streamline operations and enhance the separator business’s long-term competitiveness.

SK Innovation will remain the surviving entity, issuing new shares to SKIET shareholders. Each SKIET common share will convert into 0.117454 SK Innovation shares. This exchange ratio reflects recent market prices, calculated under South Korea’s capital markets law.

Approvals and Timeline

SK Innovation’s board and SKIET shareholders are scheduled to approve the deal on 24 November. The merger will become effective on 1 January 2027, with new SK Innovation shares listing on 18 January. This transaction qualifies as a small-scale merger for SK Innovation, meaning its shareholders will not vote on the deal.

They also will not receive appraisal rights, which allow shareholders to demand fair value for their shares. SKIET will follow the standard merger process. This deal effectively reverses SK Innovation’s 2019 spinoff of its materials business.

Rationale for Re-integration

SKIET listed on the Kospi in May 2021, when demand for lithium-ion battery separators surged with the global electric vehicle (EV) market. Its business environment has since worsened. Slowing EV growth, delayed demand recovery in North America, and intensifying price competition from Chinese manufacturers contributed to this downturn.

SK Innovation stated this downturn limited SKIET’s ability to improve profitability, generate cash, and raise funds independently. Integration therefore became more advantageous than maintaining SKIET as a separate company.

Why it matters

Following the merger, SK Innovation plans to reduce overlapping costs and financing expenses. It will combine its research capabilities with SKIET’s product development expertise. The company will also explore growth areas, such as separators for energy storage systems.

An SK Innovation official stated the merger will strengthen financial stability and streamline the business structure. This re-integration shows SK Innovation's strategy to consolidate core assets amid market pressures, aiming to secure its position in the evolving EV supply chain.

This article is journalism, not investment advice; consult a licensed professional before making financial decisions. Market data is indicative, may be delayed, and should be verified with your broker or exchange before use.

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