Tranche Update on EWK Inc.'s Equity Buyback Plan announced on March 20, 2018.

Caelum Co Ltd, formerly EWK Inc, is a Korea-based company principally engaged in the manufacture and sale of chemical and liquefied natural gas (LNG) facilities. The Company operates its business through three segments. The Chemical and LNG Facility Business segment is engaged in the manufacture and sale of heat exchangers, air cooled condensers, pressure vessels and others. The Geothermal Power Plant Business segment is engaged in the manufacture and sale of condensers, piping spools, separators and others. The Product Business segment is engaged in the distribution of products within domestic market to overseas markets.