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SIGNIFICANT ACCOUNTING POLICIES (Tables) | 12 Months Ended
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Dec. 31, 2019
SIGNIFICANT ACCOUNTING POLICIES [Abstract] |
Subsidiary Control | Detailed data reflecting subsidiary control as of December 31, 2019 and 2018 is as follows:
Company | % of shareholding and votes | Country | Closing date | Main activity
Telcosur | 99.98 | Argentina | December 31 | Telecommunication Services
CTG (1) | 100.00 | Argentina | December 31 | Electricity related services
(1) 100% of the shares of this company were acquired on August 8, 2017. At present, it is in the process of being transformed into S.A.U.
Associates | In the table below, associates are disclosed, together with the percentage of shareholding and voting as of December 31, 2019 and 2018:
Company | % of shareholding and voting | Country | Main activity | Closing date
TGU | 49.00 | Uruguay | Pipeline maintenance | December 31
EGS (“in liquidation”) | 49.00 | Argentina | Pipeline exploitation and construction | December 31
Link | 49.00 | Argentina | Pipeline exploitation and construction | December 31
Earnings Per Share | Earnings per share as of December 31, 2019, 2018 and 2017 were calculated as follows:
|  | 2019 |  |  | 2018 |  |  | 2017 |
Net income attributable to owners of the Company |  |  | 12,805,105 |  |  |  | 17,561,249 |  |  |  | 8,847,196 |
Average number of outstanding shares (1) |  |  | 776,121,341 |  |  |  | 788,405,563 |  |  |  | 794,495,283 |
Basic and diluited earnings per share |  |  | 16.50 |  |  |  | 22.27 |  |  |  | 11.14 |
(1) The weighted average number of shares considers the effect of the weighted average of the changes originated in the transactions with the treasury shares made during the year.

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