Based on insurer's stock closing price of Rs 410.25 on BSE today, the stake sale is estimated to fetch the bank Rs 1,178 crore.
"The Board of Directors of the bank today approved the sale of up to 2,87,11,100 shares, representing up to 2 per cent of the issued and the paid-up equity share capital of ICICI Prudential Life Insurance Company in one or more tranches," ICICI Bank said in a BSE filing.
The bank said the stake sale can be through any manner including 'offer for sale by promoters through stock exchange mechanism' (OFS).
While ICICI Bank held 54.88 per cent stake in the JV, Prudential's stake was at 25.83 per cent as on March 31, 2018, data on BSE showed. Rest of the equity is held by public and institutional investors.
ICICI Prudential Life came up with its initial public offer (IPO) in September 2016.
Stock of ICICI Bank closed at Rs 290.65 on BSE, up 1.18 per cent. ICICI Prudential Life ended 2.77 per cent down at Rs 410.25.
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