The company said it would offer 519.75m shares to existing investors at THB 4 each, giving a potential total of THB 2.08bn ($64m).
One new share will be available for every two held.
Another 51.97m shares will be offered through convertible warrants. One warrant will be awarded for every 10 new shares bought.
These must be converted within three years.
Its net loss in 2014 was THB 82.3m
