Complex sentence: In 1999 it was acquired by Grupo México, which itself began as ASARCO's 49%-owned Mexican subsidiary in 1965, and on August 17,2005, the company filed for Chapter 11 bankruptcy in Corpus Christi, Texas under then-president Daniel Tellechea.
Split into simpler sentences: In 1999 it was acquired by Grupo México, which itself began as ASARCO's 49%-owned Mexican subsidiary in 1965. On August 17,2005, ASARCO filed for Chapter 11 bankruptcy in Corpus Christi, Texas under then-president Daniel Tellechea.