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altri ALTRI , SGPS , S.A. Public Company Financial Information – 1st Quarter of 2021 - This document is a translation of a document originally issued in Portuguese , prepared using accounting policies consistent with the International Financial Reporting Standards and in accordance with the International Accounting Standard 34 - Interim Financial Reporting , some of which may not conform or be required by generally accepted accounting principles in other countries . In the event of discrepancies , the Portuguese language version prevails . Head Office : Rua Manuel Pinto de Azevedo , 818 - Oporto Fiscal Number 507 172 086 Share Capital : 25,641,459 Euro