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CONSOLIDATED STATEMENTS OF CASH FLOWS - BRL (R$) R$ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
OPERATING ACTIVITIES |  |  |  |
Net income (loss) for the year |  | R$ (10,714,935) | R$ (2,814,742) | R$ 319,814
Adjustment to |  |  |  |
Depreciation, depletion and amortization (Notes 27 and 30) | [1] | 6,565,441 | 7,898,775 | 1,563,223
Amortization of right of use (Note 19.1) |  | 186,768 | 154,217 |
Sublease of ships |  | (35,841) |  |
Interest expense on lease liabilities |  | 397,746 | 226,103 |
Results from sale, disposals and provision for losses (impairment) of property, plant and equipment and biological assets, net (Note 30) |  | (53,807) | 77,930 | 13,580
Income (loss) from associates and joint ventures (Note 14.2) |  | (36,142) | (31,993) | (7,576)
Exchange rate and monetary variations, net (Note 27) |  | 12,530,891 | 1,964,927 | 1,446,207
Interest expenses with financing, loans and debentures, net (Note 27) |  | 3,286,254 | 3,363,019 | 872,208
Premium expenses with repurchase of bonds (Note 27) |  | 391,390 |  |
Capitalized interest (Note 27) |  | (10,636) | (4,213) |
Accrual of interest on marketable securities |  | (94,868) | (392,018) | (127,037)
Amortization of fundraising costs (Notes 27) |  | 101,741 | 185,807 | 44,499
Derivative (gains) losses, net (Note 27) |  | 9,422,682 | 1,075,252 | 2,735,196
Fair value adjustment of biological assets (Note 13) |  | (466,484) | (185,399) | 129,187
Deferred income tax and social contribution expenses (Note 12.3) |  | (7,109,120) | (1,528,571) | (741,084)
Tax credits - gains in tax lawsuit (ICMS from the PIS/COFINS calculation basis) (note 9) |  |  | (128,115) |
Interest on employee benefits (Note 21.2) |  | 53,092 | 44,496 | 35,920
Provision for (reversal of) judicial liabilities, net (Note 20.1) |  | 1,288 | 26,807 | 13,285
Allowance for doubtful accounts, net (Note 7.3) |  | 6,022 | (12,286) | 6,450
Provision for (reversal of) inventory losses, net (Note 8.1) |  | 65,675 | 107,269 | (25,096)
Provision for loss of ICMS credits, net (Note 9.1) |  | (82,293) | 129,283 |
Impairment of non-financial assets (Note 16.1) |  | 45,435 |  |
Other |  | 35,451 | (56,517) | 235,081
Decrease (increase) in assets |  |  |  |
Trade accounts receivables |  | 884,451 | 991,476 | (186,026)
Inventories |  | 651,203 | 873,420 | (622,151)
Recoverable taxes |  | 659,930 | 241,934 | 50,960
Other assets |  | 54,651 | (26,478) | (12,720)
Increase (decrease) in liabilities |  |  |  |
Trade accounts payables |  | 140,480 | (1,555,697) | 1,473
Taxes payable |  | 47,212 | 240,871 | 432,603
Payroll and charges |  | 92,278 | (234,948) | (100,124)
Other liabilities |  | (266,546) | (62,294) | 225,616
Cash provided by operations, net |  | 16,749,409 | 10,568,315 | 6,303,488
Payment of interest with financing, loans and debentures (Note 18.2) |  | (3,244,949) | (2,977,957) | (806,758)
Payment of premium with repurchase of bonds (Note 18.2) |  | (378,381) |  |
Interest received from marketable securities |  | 186,853 | 377,804 |
Payment of income taxes |  | (188,296) | (391,725) | (327,282)
Cash provided by operating activities |  | 13,124,636 | 7,576,437 | 5,169,448
INVESTING ACTIVITIES |  |  |  |
Additions to property, plant and equipment (Note 15) |  | (1,503,255) | (2,001,674) | (1,251,486)
Additions to intangible assets (Note 16) |  | (2,307) | (17,715) | (7,217)
Additions to biological assets (Note 13) |  | (3,392,298) | (2,849,038) | (1,164,995)
Proceeds from sale of property, plant and equipment |  | 183,504 | 198,644 | 95,481
Increase of capital in subsidiaries and associates (Note 14.3) |  |  | (45,856) |
Marketable securities, net |  | 3,841,493 | 19,378,893 | (19,340,022)
Advance for acquisition of wood from operations with development |  | 135,693 | (355,447) | 1,402
Acquisition of subsidiaries, net cash |  |  | (26,002,540) | (294,473)
Dividends received |  | 753 |  |
Other investments |  |  | (286) |
Cash (used) in investing activities, net |  | (736,417) | (11,695,019) | (21,961,310)
FINANCING ACTIVITIES |  |  |  |
Proceeds from loans, financing and debentures (Note 18.2) |  | 14,761,796 | 18,993,837 | 25,645,822
Payment of derivative transactions (note 4.5.4) |  | (4,465,640) | (135,449) | (1,586,415)
Payment of loans, financing and debentures (note 18.2) |  | (19,092,810) | (13,994,708) | (3,738,577)
Payment of leases (note 19.2) |  | (824,245) | (645,071) |
Payment of dividends |  |  | (606,632) | (210,205)
Sale of treasury shares to meet stock-based compensation plan |  |  | (879) | 8,514
Liabilities for assets acquisitions and subsidiaries |  | (164,240) | (479,480) | (84,090)
Other financing |  |  | 10,191 |
Cash provided (used) by financing activities |  | (9,785,139) | 3,141,809 | 20,035,049
EXCHANGE VARIATION ON CASH AND CASH EQUIVALENTS |  | 982,850 | (161,553) | 67,433
Increase (reduction) in cash and cash equivalents, net |  | 3,585,930 | (1,138,326) | 3,310,620
Cash and cash equivalents at the beginning for the year |  | 3,249,127 | 4,387,453 | 1,076,833
Cash and cash equivalents at the end for the year |  | 6,835,057 | 3,249,127 | 4,387,453
Increase (reduction) in cash and cash equivalents, net |  | R$ 3,585,930 | R$ (1,138,326) | R$ 3,310,620
[1] | In the year ended December 31, 2019 includes the full amortization of the inventories step up, resulting from the business combination with Fibria, in the amount of R$2,178,903.

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