(a) Original Proceeding

• Claimant(s)/Nationality(ies): (i)
  Webuild S.p.A. (Italian)
• Respondent(s):
  Argentine Republic (Argentine)
• Date Registered:
  February 2, 2026

Party Representatives

• Claimant(s):
  King & Spalding, Houston, TX, U.S.A.
  Marval, O’Farrell & Mairal, Buenos Aires, Argentina
  Webuild S.p.A., Rozzano, Italy
• Respondent(s):
  Procurador del Tesoro de la Nación, Buenos Aires, Argentina
• Status of Proceeding:
  Pending
• Latest Development:
  February 2, 2026 - The Secretary-General registers a request for the institution of arbitration proceedings.