Common use of DEFERRED TAX ASSETS AND DEFERRED TAX LIABILITIES Clause in Contracts

DEFERRED TAX ASSETS AND DEFERRED TAX LIABILITIES. Changes in deferred tax assets and deferred tax liabilities are summarized as follows: Balance as at Revenue (expenses) during the period Balance as at Dec. 31, 2021 In profit or loss In other comprehensive income Mar. 31, 2022 Deferred tax assets: Trade account receivables 619 35 - 654 Right-of-use assets 10 1 - 11 Employee benefit obligation 11,838 267 - 12,105 Total 12,467 303 - 12,770 Deferred tax liabilities: Unrealized gain on remeasuring Other - non current financial assets (30,227) - (2,666) (32,893) Total (30,227) - (2,666) (32,893)

DEFERRED TAX ASSETS AND DEFERRED TAX LIABILITIES. Changes in deferred tax assets and deferred tax liabilities are summarized as follows: Balance as at Revenue (expenses) during the period Balance as at Dec. 31, 2021 2019 In profit or loss In other comprehensive income Mar. 31, 2022 2020 Deferred tax assets: Trade account receivables 619 35 274 (25) - 654 249 Right-of-use assets 10 1 - 11 Employee 5 - 5 Non-current provision for employee benefit obligation 11,838 267 13,208 484 - 12,105 13,692 Total 12,467 303 13,482 464 - 12,770 13,946 Deferred tax liabilities: Unrealized gain on remeasuring Other - non current financial assets (30,22733,893) - 9,133 (2,666) (32,89324,760) Total (30,22733,893) - 9,133 (2,66624,760) Deferred tax assets (liabilities) - net (20,411) (32,89310,814)

DEFERRED TAX ASSETS AND DEFERRED TAX LIABILITIES. Changes in deferred tax assets and deferred tax liabilities are summarized as follows: Balance as at Revenue (expenses) during the period Balance as at Dec. 31, 2021 2019 In profit or loss In other comprehensive income Mar. 31Sep. 30, 2022 Deferred tax assets: 2020 Trade account receivables 619 35 274 (58) - 654 216 Right-of-use assets 10 1 - 11 Employee 12 - 12 Non-current provision for employee benefit obligation 11,838 267 13,208 1,233 - 12,105 14,441 Total 12,467 303 13,482 1,187 - 12,770 14,669 Deferred tax liabilities: Unrealized gain on remeasuring Other - non current financial assets (30,22733,893) - 8,467 (2,666) (32,89325,426) Total (30,22733,893) - 8,467 (2,66625,426) Deferred tax assets (liabilities) - net (20,411) (32,89310,757)

DEFERRED TAX ASSETS AND DEFERRED TAX LIABILITIES. Changes in deferred tax assets and deferred tax liabilities are summarized as follows: Balance as at Revenue (expenses) during the period Balance as at Dec. 31, 2021 2020 In profit or loss In other comprehensive income Mar. 31Jun. 30, 2022 2021 Deferred tax assets: Trade account receivables 619 35 194 (29) - 654 165 Right-of-use assets 10 1 13 (2) - 11 Employee Other current provisions 3,000 (170) - 2,830 Non-current provision for employee benefit obligation 11,838 267 15,068 1,270 - 12,105 16,338 Total 12,467 303 18,275 1,069 - 12,770 19,344 Deferred tax liabilities: Unrealized gain on remeasuring Other - non current financial assets (30,22727,160) - (2,6663,067) (32,89330,227) Total (30,22727,160) - (2,6663,067) (32,89330,227) Deferred tax assets (liabilities) - net (8,885) (10,883)