GIIB (KLSE:GIIB) fixed the issue price for the private placement shares at 0.1518 ringgit per share, according to a Tuesday Malaysian bourse filing.
Shares surged about 32% in Wednesday's midday trade.
The manufacturer of rubber-related compounds plans to place up to 10% of its total issued shares.
The issue price represents a nearly 9.96% discount to the five-day volume-weighted average price of company shares up to May 11.