| 17. | Shareholders’ equity, net |
| (a) | Capital stock - |
| | | Number of shares | | Capital stock | | Capital stock | | |||
| | | | | | S/(000) | | US$(000) | | ||
| | | | | | | | | | | |
| Common shares | | | 274,889,924 | | | 2,748,899 | | | 813,162 | |
| Treasury shares | | | (21,174,734) | | | (211,747) | | | (62,665) | |
| | | | | | | | | | | |
| | | | 253,715,190 | | | 2,537,152 | | | 750,497 | |
| (b) | Investment shares - |
| | | Number of shares | | Number of shares | | Number of shares | | |||
| | | | | S/(000) | | US$(000) | | |||
| | | | | | | | | | | |
| Investment shares | | | 744,640 | | | 7,447 | | | 2,161 | |
| Treasury investment shares | | | (472,963) | | | (4,730) | | | (1,370) | |
| | | | | | | | | | | |
| | | | 271,677 | | | 2,717 | | | 791 | |
| (c) | Legal reserve - |
| (d) | Dividends declared and paid - |
| Meetings | | Date | | Dividends paid | | Dividend per share | | ||
| | | | | US$(000) | | US$ | | ||
| | | | | | | | | | |
| 2017 Dividends | | | | | | | | | |
| Mandatory Annual Shareholders’ Meeting | | March 28 | | | 15,711 | | | 0.056 | |
| Less - Dividends of treasury shares | | | | | (1,232) | | | | |
| | | | | | | | | | |
| | | | | | 14,479 | | | | |
| | | | | | | | | | |
| Board of Directors’ Meeting | | October 27 | | | 8,269 | | | 0.030 | |
| Less - Dividends of treasury shares | | | | | (649) | | | | |
| | | | | | | | | | |
| | | | | | 7,620 | | | | |
| | | | | | 22,099 | | | | |
| 2016 Dividends | | | | | | | | | |
| Board of Directors’ Meeting | | October 27 | | | 8,269 | | | 0.030 | |
| Less - Dividends of treasury shares | | | | | (648) | | | | |
| | | | | | | | | | |
| | | | | | 7,621 | | | | |
| (e) | Basic and diluted profit (loss) per share - |
| | | 2017 | | 2016 | | 2015 | | |||
| | | | | | | | | | | |
| Profit (loss) net (numerator) - US$ | | | 60,823,000 | | | (323,492,000) | | | (317,210,000) | |
| Total common and investment shares (denominator) | | | 253,986,867 | | | 253,986,867 | | | 254,186,867 | |
| | | | | | | | | | | |
| Profit (loss) net per basic share and diluted - US$ | | | 0.24 | | | (1.27) | | | (1.25) | |
| | | 2017 | | 2016 | | 2015 | | |||
| | | | | | | | | | | |
| Profit (loss) net (numerator) - US$ | | | 70,921,000 | | | (304,419,000) | | | (296,977,000) | |
| Total common and investment shares (denominator) | | | 253,986,867 | | | 253,986,867 | | | 254,186,867 | |
| | | | | | | | | | | |
| Profit (loss) net per basic share and diluted - US$ | | | 0.28 | | | (1.20) | | | (1.17) | |