Saipem SpA: Information Document 2019-2021 Long Term Incentive Plan - in accordance with Article 114-bis of Legislative Decree No. 58/1998 (Consolidated Law of Finance) and Article 84-bis of Consob Regulation No. 11971 of 1999 (Issuers' Regulations). This document relates to item 5) on the Agenda ("New long-term incentive plan 2019-2021") of Saipem's General Shareholders' Meeting to be held on April 30, 2019 (single call).