The bank will use the proceeds from the capital hike in the capital commitment of the Islamic bank that it plans to establish as a wholly-owned subsidiary, Halkbank said in a bourse filing on Friday.
At the beginning of December, Halkbank applied for regulatory approval to set up an Islamic banking unit.
Four Islamic banks are currently operating in Turkey - also called participation banks because they do not collect interest but share the profit or loss of their borrowers.
State-controlled lender Ziraat Bank received, in October, regulatory approval to establish an Islamic banking unit with a registered capital of $300 million.
(1 euro = 2.8427 Turkish lira)