Tuna giant Thai Union is gearing up to issue up to THB 4 billion (€119 million/$132 million) worth of debentures with an additional greenshoe of THB 2 billion (€59 million/$65 million), in a move to strengthen its financial foundation.

TRIS rating has given Thai Union A+ with a stable outlook and the subordinated perpetual debentures rating of A-.

The debenture will be charged at five percent annually for the first five years and will be payable quarterly.