SK IE Technology said on Wednesday that it has passed the preliminary review for its listing on KOSPI.
The subsidiary of SK Innovation is expected file its security report early next month. There will be a full review by Korea Exchange as well.
The company is expected commence retail and institutional demand forecast in mid-April.
Valuation of SK IE Technology has increased from between 4 trillion won to 5 trillion won to between 7 trillion won to 8 trillion won over the past year.
The global shortage in battery separators, which the company manufactures, is the likely cause.
SK IE Technology was formed when it split off from SK Innovation in April last year. Besides battery separators, the company also manufactures polyimide films used in smartphone displays.
Last year, it recorded 460.3 billion won in sales and 90.7 billion won in net income.