(a) Original Proceeding

• Claimant(s)/Nationality(ies): (i)
  Compañia del Desarrollo de Santa Elena S.A. (Costa Rican)
• Respondent(s):
  Republic of Costa Rica (Costa Rican)
• Date Registered:
  March 22, 1996
• Date of Constitution of Tribunal:
  May 28, 1997

Composition of Tribunal

• President:
  L. Yves FORTIER (Canadian) - Appointed by the Parties
• Arbitrators:
  Elihu LAUTERPACHT (British) - Appointed by the Claimant(s)
  Prosper WEIL (French) - Appointed by the Respondent(s)

Party Representatives

• Claimant(s):
  Arnold & Porter, Washington, D.C., U.S.A.
• Respondent(s):
  White & Case, Washington, D.C., U.S.A.
• Language(s) of Proceeding:
  English
• Status of Proceeding:
  Concluded
• Outcome of Proceeding:
  Award rendered on February 17, 2000.

(b) Rectification Proceeding

• Applicant(s)/Requesting Party(ies): (i)
  Claimant(s)
• Date Registered:
  April 7, 2000 (Claimant(s))

Party Representatives

• Claimant(s):
  Arnold & Porter, Washington, D.C., U.S.A.
• Respondent(s):
  White & Case, Washington, D.C., U.S.A.
• Language(s) of Proceeding:
  English
• Status of Proceeding:
  Concluded
• Outcome of Proceeding:
  Rectification of the award issued on June 8, 2000.