S EPARATE OPINION OF J UDGE AD HOC D UGARD

Table of Contents

Paragraphs

I. Separate opinion.....................................................................1-2.............................

II. Territorial integrity................................................................3................................

DECLARATION OF JUDGE AD HOC GUILLAUME
[Translation]
I. Case concerning Certain Activities carried out by Nicaragua in the Border Area  New submissions presented by Costa Rica at the close of the hearings seeking recognition of its sovereignty over the disputed territory  Submissions belated and hence inadmissible  Nicaragua’s compliance with the Order of 8 March 2011  Freedom of navigation on the San Juan River  Régime applicable to transboundary harm caused by river dredging.

D ECLARATION OF JUDGE G EVORGIAN

Paragraph 1 of the dispositif  The Court’s finding that Costa Rica has sovereignty over
the “disputed territory” is unnecessary  The limits of that territory are not clear  The
geography of the area is unstable  Possible source of future disagreement  Article II of the

Treaty of Limits of 1858  First, second and third Alexander Awards  “First channel met”.