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CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY - BRL (R$) R$ in Thousands | Total Parent company's interest | Capital | Treasury Stocks | Capital Reserve | Legal reserve | Tax Incentives Reserve | Investments and working capital reserve | Retained earnings | Operations with noncontrolling interests | Gains and losses on net investment hedge | Gains and losses on financial instruments | Cumulative translation adjustment | Pension Plan | Stock Options | Non-controlling interests | Total
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Equity at beginning of period at Dec. 31, 2014 | R$ 32,200,819 | R$ 19,249,181 | R$ (233,142) | R$ 11,597 | R$ 628,228 | R$ 611,531 | R$ 10,475,045 |  | R$ (1,732,962) | R$ (2,472,853) | R$ (923) | R$ 5,874,714 | R$ (347,847) | R$ 138,250 | R$ 1,053,715 | R$ 33,254,534
Net income (loss) | (4,551,438) |  |  |  |  |  |  | R$ (4,551,438) |  |  |  |  |  |  | (44,548) | (4,595,986)
Other comprehensive income (loss) recognized in the year | 5,586,602 |  |  |  |  |  |  |  |  | (3,610,435) | 17,007 | 9,147,164 | 32,866 |  | 103,732 | 5,690,334
Total comprehensive income (loss) for the year, net of tax | 1,035,164 |  |  |  |  |  |  | (4,551,438) |  | (3,610,435) | 17,007 | 9,147,164 | 32,866 |  | 59,184 | 1,094,348
Supplementary dividend | 944 |  |  |  |  |  | 944 |  |  |  |  |  |  |  |  | 944
Stock option expenses recognized in the year | (128) |  |  |  |  |  |  |  |  |  |  |  |  | (128) | (409) | (537)
Treasury stocks | (186,033) |  | (186,033) |  |  |  |  |  |  |  |  |  |  |  | (3,038) | (189,071)
Stock option exercised during the year | 32,537 |  | 35,812 |  |  |  | (3,275) |  |  |  |  |  |  |  | 3,365 | 35,902
Effect of interest changes in subsidiaries | (1,144,526) |  |  |  |  |  |  |  | (1,144,526) |  |  |  |  |  | (824,711) | (1,969,237)
Absorption of net loss proposed to the shareholders |  |  |  |  |  |  | (4,551,438) | 4,551,438 |  |  |  |  |  |  |  |
Dividends/interest on capital | (252,976) |  |  |  |  |  | (252,976) |  |  |  |  |  |  |  | (3,524) | (256,500)
Equity at end of period at Dec. 31, 2015 | 31,685,801 | 19,249,181 | (383,363) | 11,597 | 628,228 | 611,531 | 5,668,300 |  | (2,877,488) | (6,083,288) | 16,084 | 15,021,878 | (314,981) | 138,122 | 284,582 | 31,970,383
Net income (loss) | (2,890,811) |  |  |  |  |  |  | (2,890,811) |  |  |  |  |  |  | 4,882 | (2,885,929)
Other comprehensive income (loss) recognized in the year | (4,852,813) |  |  |  |  |  |  |  |  | 1,678,852 | 239 | (6,489,813) | (42,091) |  | (34,800) | (4,887,613)
Total comprehensive income (loss) for the year, net of tax | (7,743,624) |  |  |  |  |  |  | (2,890,811) |  | 1,678,852 | 239 | (6,489,813) | (42,091) |  | (29,918) | (7,773,542)
Stock option expenses recognized in the year | 51,230 |  |  |  |  |  |  |  |  |  |  |  |  | 51,230 | 184 | 51,414
Treasury stocks | (95,343) |  | (95,343) |  |  |  |  |  |  |  |  |  |  |  | (27) | (95,370)
Stock option exercised during the year | 5,496 |  | 10,461 |  |  |  | (4,965) |  |  |  |  |  |  |  | 64 | 5,560
Assignment of preferred shares | 205,800 |  | 369,499 |  |  |  | (163,699) |  |  |  |  |  |  |  |  | 205,800
Effect of interest changes in subsidiaries | 4,153 |  |  |  |  |  |  |  | 4,153 |  |  |  |  |  | (6,405) | (2,252)
Absorption of net loss proposed to the shareholders |  |  |  |  |  |  | (2,890,811) | 2,890,811 |  |  |  |  |  |  |  |
Dividends/interest on capital | (85,377) |  |  |  |  |  | (85,377) |  |  |  |  |  |  |  | (1,963) | (87,340)
Equity at end of period at Dec. 31, 2016 | 24,028,136 | 19,249,181 | (98,746) | 11,597 | 628,228 | 611,531 | 2,523,448 |  | (2,873,335) | (4,404,436) | 16,323 | 8,532,065 | (357,072) | 189,352 | 246,517 | 24,274,653
Net income (loss) | (359,360) |  |  |  |  |  |  | (359,360) |  |  |  |  |  |  | 20,693 | (338,667)
Other comprehensive income (loss) recognized in the year | 34,100 |  |  |  |  |  |  |  |  | (148,548) | (11,351) | 309,385 | (115,386) |  | 6,201 | 40,301
Total comprehensive income (loss) for the year, net of tax | (325,260) |  |  |  |  |  |  | (359,360) |  | (148,548) | (11,351) | 309,385 | (115,386) |  | 26,894 | (298,366)
Stock option expenses recognized in the year | 5,633 |  |  |  |  |  |  |  |  |  |  |  |  | 5,633 | 15 | 5,648
Stock option exercised during the year | 19,650 |  | 22,661 |  |  |  | (3,011) |  |  |  |  |  |  |  | 32 | 19,682
Effect of interest changes in subsidiaries | 2,504 |  |  |  |  |  |  |  | 2,504 |  |  |  |  |  | (21,698) | (19,194)
Absorption of net loss proposed to the shareholders |  |  |  |  |  |  | (359,360) | R$ 359,360 |  |  |  |  |  |  |  |
Dividends/interest on capital | (85,462) |  |  |  |  |  | (85,462) |  |  |  |  |  |  |  | (3,020) | (88,482)
Equity at end of period at Dec. 31, 2017 | R$ 23,645,201 | R$ 19,249,181 | R$ (76,085) | R$ 11,597 | R$ 628,228 | R$ 611,531 | R$ 2,075,615 |  | R$ (2,870,831) | R$ (4,552,984) | R$ 4,972 | R$ 8,841,450 | R$ (472,458) | R$ 194,985 | R$ 248,740 | R$ 23,893,941

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