[4] The company entered an agreement with the Department of Energy for an exclusive right to develop, explore, and mine coal resources on Semirara Island in the town of Caluya, Antique.

[5] SCC, along with Austrian state firm Voest Alpine opened the first coal mining site in the island in Unong in 1984.

[5] In 1997, DMCI Holdings, Inc. began acquiring in SCC securing 40 percent of the company's common shares which it bought from Voest Alpine.

[5] By 1999, DMCI gained a controlling stake in SCC, introducing a new management to the company which was renamed as Semirara Mining Corporation.

[5] SMC exported its first coal to China in 2007 and has since then expanded its foreign market to include India, Hong Kong, Japan, Taiwan, and Thailand.