INTERNATIONAL COURT OF JUSTICE DISPUTE CONCERNING THE LAND BOUNDARY IN THE NORTHERN PART OF ISLA PORTILLOS (COSTA RICA v. NICARAGUA) COUNTER- MEMORIAL OF THE REPUBLIC OF NICARAGUA 18 APRIL 2017 INTERNATIONAL COURT OF JUSTICE DISPUTE CONCERNING THE LAND BOUNDARY IN THE NORTHERN PART OF ISLA PORTILLOS (COSTA RICA v. NICARAGUA) COUNTER- MEMORIAL OF THE REPUBLIC OF NICARAGUA 18 APRIL 2017 INTERNATIONAL COURT OF JUSTICE DISPUTE CONCERNING THE LAND BOUNDARY IN THE NORTHERN PART OF ISLA PORTILLOS (COSTA RICA v.

INTERNATIONAL COURT OF JUSTICE LAND BOUNDARY IN THE NORTHERN PART OF ISLA PORTILLOS (COSTA RICA v. NICARAGUA) MEMORIAL OF COSTA RICA 2 MARCH 2017 TABLE OF CONTENTS CHAPTER 1: INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 A. Origin and Scope of the Dispute . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 B. The Court’s Jurisdiction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 C. Structure of this Memorial . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

INTERNATIONAL COURT OF JUSTICE DISPUTE CONCERNING MARITIME DELIMITATION IN THE CARIBBEAN SEA AND THE PACIFIC OCEAN (COSTA RICA V. NICARAGUA) COUNTER - MEMORIAL OF THE REPUBLIC OF NICARAGUA 08 December 2015 INTERNATIONAL COURT OF JUSTICE DISPUTE CONCERNING MARITIME DELIMITATION IN THE CARIBBEAN SEA AND THE PACIFIC OCEAN (COSTA RICA V. NICARAGUA) COUNTER - MEMORIAL OF THE REPUBLIC OF NICARAGUA 08 December 2015 INTERNATIONAL COURT OF JUSTICE DISPUTE CONCERNING MARITIME DELIMITATION IN THE CARIBBEAN SEA AND THE PACIFIC OCEAN (COSTA RICA V.

INTERNATIONAL COURT OF JUSTICE DISPUTE CONCERNING MARITIME DELIMITATION IN THE CARIBBEAN SEA AND THE PACIFIC OCEAN COSTA RICA v. NICARAGUA MEMORIAL OF COSTA RICA VOLUME I 3 FEBRUARY 2015 iii TABLE OF CONTENTS CHAPTER 1 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 A The Disputes Submitted to the Court . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 B. The Court’s Jurisdiction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 C. Summary of Costa Rica’s Position . . . . . . . . . . . . .

Response to the question of Judge Tomka on the Report submitted on 30 April2017 by the
experts appointed by the Court
The text of a question asked by Judge T omka on our Report was transmitled to us by a letter of
the Registrar dated 12 June 2017. ln this document, we provide an answer to the question:
Text and question by Judge Tom ka
Could the Experts provide information, based on their observations during the two site visits
(December 2016 and March 2017), on whether they saw, in the close vicinity of the Caribbean

RESPONSE TO THE COMMENTS OF COSTA RICA ON THE REPORT SUDMITTED ON
30 APRIL 2017 8\' THE EXPERTS APPOINTED BV THE COURT
IN THE CASE CONCERNING MARITIME DELIMITATION IN THE CARIBBEAN SEA AND THE
PACIFIC OCEAN (COSTA RICA V. NICARAGUA)
Costa Rica's written observations on our Report of 30 April 2017 were transmitted tous by a
letter of the Registrar dated 2 June 2017. This letter also informed us thal Nicaragua indicated
that it would not make written observations on our Report.

Exccllcncy,
EMDASSY OF NICARAGUA
THE HAGUE
The llaguc, 1 June 20 17
REF: HOL-EMB-123
1 have the honour to refer to the case concerning Maritime Delimitation in the Caribbean Sea and
the Pacifie Ocean (Costa Rica v. Nicaragua) which has been joined with the case concerning the Land
Boundary in lhe Northern part of Isla Porti/los (Costa Rica v. Nicaragua), particularly to your lener
148492 transmitting the report prepared by the experts appointed by the Court, as wells as the meeting