Procedural Background

This document constitutes Procedural Order No. 1 issued by the ad hoc Committee in the annulment proceeding initiated by the Argentine Republic against Webuild S.p.A. The Order memorializes the agreements reached by the parties and the Committee's directives following the First Session held by video conference on June 2, 2026.

Procedural Rules and Organization

The Committee established the foundational procedural framework governing the annulment phase, confirming the application of the ICSID Arbitration Rules in force as of April 10, 2006, mutatis mutandis. The Order addresses standard administrative matters, including the constitution of the Committee, the apportionment of advance payments to ICSID, and the designation of Washington, D.C. as the place of the proceeding. English and Spanish were designated as the procedural languages.

Evidentiary and Pleading Directives

The Committee set strict limitations on the introduction of new evidence, emphasizing that the annulment proceeding will rely primarily on the evidentiary record from the underlying arbitration. New evidence may only be admitted under special circumstances upon a reasoned written request, with a notable exception for documentary evidence submitted in support of a request to stay enforcement of the Award. The Order concludes by adopting a comprehensive procedural calendar, scheduling the exchange of written submissions on both the continuation of the stay of enforcement and the merits of the annulment application.