NOTE 30 - EARNINGS / (LOSS) PER SHARE
| For the period ended | ||||||||||||
| December 31, | ||||||||||||
| Basic earnings / (loss) per share | 2017 | 2016 | 2015 | |||||||||
| Earnings / (loss) attributable to owners of the parent (ThUS$) | 155,304 | 69,220 | (219,274 | ) | ||||||||
| Weighted average number of shares, basic | 606,407,693 | 546,559,599 | 545,547,819 | |||||||||
| Basic earnings / (loss) per share (US$) | 0.25610 | 0.12665 | (0.40193 | ) | ||||||||
| For the period ended | ||||||||||||
| December 31, | ||||||||||||
| Diluted earnings / (loss) per share | 2017 | 2016 | 2015 | |||||||||
| Earnings / (loss) attributable to owners of the parent (ThUS$) | 155,304 | 69,220 | (219,274 | ) | ||||||||
| Weighted average number of shares, basic | 606,407,693 | 546,559,599 | (*) | 545,547,819 | ||||||||
| Weighted average number of shares, diluted | 606,407,693 | 546,559,599 | 545,547,819 | |||||||||
| Diluted earnings / (loss) per share (US$) | 0.25610 | 0.12665 | (0.40193 | ) | ||||||||
(*) In the calculation of diluted earnings per share have not been considered the compensation plan disclosed in Note 34 (a.1), because the average market price is lower than the price of options.