The second payment of $1.96 million has also been paid.
The acquisition is slated to be completed on Dec 1.
In the bourse filing, Cortina noted that the market value of the property is $49 million, which is equivalent to the purchase price. The value was derived from the valuation report issued by Edmund Tie & Company dated Oct 11. The report was commissioned by Cortina.
Shares in Cortina closed flat at $3.76 on Oct 13.