Disclosures to PSE - 2017

Material Information Transactions

Document Title	Date

Extension of Subscription Call	November 29, 2017
Certificate of Attendance on In-House Corporate Governance Training Program	August 15, 2017
Board Approval of the CG and Nominations Committee Charter	July 19, 2017
Demobilisation of DSM I Galoc 7 7ST	May 3, 2017
Drilling Result Galoc 7ST1	May 3, 2017
Commencement of Operations at Galoc – 7/7ST	March 31, 2017
Mobilization of Deepsea Metro I	March 28, 2017
Approval of the 2016 Audited Financial Statements	March 28, 2017

Foreign Ownership Report

Document Title	Date

Foreign Ownership Report as of 30 November 2017	December 4, 2017
Foreign Ownership Report as of 31 October 2017	November 3, 2017
Foreign Ownership Report as of 30 September 2017	October 3, 2017
Foreign Ownership Report as of 31 August 2017	September 5, 2017
Foreign Ownership Report as of 31 July 2017	August 3, 2017
Foreign Ownership Report as of 30 June 2017	July 5, 2017
Foreign Ownership Report as of 31 May 2017	June 2, 2017
Foreign Ownership Report as of 30 April 2017	May 30, 2017
Foreign Ownership Report as of 31 March 2017	March 31, 2017
Foreign Ownership Report as of 28 February 2017	March 2, 2017
Foreign Ownership Report as of 31 January 2017	February 3, 2017
Foreign Ownership Report as of 31 December 2016	January 4, 2017

Report on Number of Shareholders

Document Title	Date

Report on Number of Shareholders as of 30 November 2017	December 4, 2017
Report on Number of Shareholders as of 31 October 2017	November 3, 2017
Report on Number of Shareholders as of 30 September 2017	October 3, 2017
Report on Number of Shareholders as of 31 August 2017	September 5, 2017
Report on Number of Shareholders as of 31 July 2017	August 3, 2017
Report on Number of Shareholders as of 30 June 2017	July 5, 2017
Report on Number of Shareholders as of 31 May 2017	June 2, 2017
Report on Number of Shareholders as of 30 April 2017	May 3, 2017
Report on Number of Shareholders as of 31 March 2017	March 31, 2017
Report on Number of Shareholders as of 28 February 2017	March 2, 2017
Report on Number of Shareholders as of 31 January 2017	February 3, 2017
Report on Number of Shareholders as of 31 December 2016	January 4, 2017

Public Ownership Report

Document Title	Date

Public Ownership Report as of 30 September 2017	October 10, 2017
Public Ownership Report as of 30 June 2017	July 6, 2017
Public Ownership Report as of 31 March 2017	March 31, 2017

Beneficial Ownership Report

Document Title	Date

Statement of Changes in Beneficial Ownership of Securities (Alakor Securities Corp.)	November 9, 2017
Statement of Changes in Beneficial Ownership of Securities (Alakor Securities Corp.)	October 5, 2017
Statement of Changes in Beneficial Ownership of Securities (Alakor Securities Corp.)	September 8, 2017
Statement of Changes in Beneficial Ownership of Securities (Alakor Securities Corp.)	August 8, 2017
Statement of Changes in Beneficial Ownership of Securities (Alakor Securities Corp.)	July 7, 2017
Statement of Changes in Beneficial Ownership of Securities (BDO Securities Corp.)	July 6, 2017
Statement of Changes in Beneficial Ownership of Securities (BDO Securities Corp.)	June 7, 2017
Statement of Changes in Beneficial Ownership of Securities (Alakor Securities Corp.)	May 10, 2017
Statement of Changes in Beneficial Ownership of Securities (BDO Securities Corp.)	May 10, 2017

Top 100 Stockholders

Document title	Date

List of Top 100 Stockholders as of 30 September 2017	October 9, 2017
List of Top 100 Stockholders as of 30 June 2017	July 7, 2017
List of Top 100 Stockholders as of 31 March 2017	March 31, 2017
List of Top 100 Stockholders as of 31 December 2016	January 10, 2017

Other Disclosures to PSE

Document Title	Date

Third Quarter Report - September 2017	November 8, 2017
Disbursement of Proceeds and Progress Report	October 4, 2017
[Amend-1] Legal Proceedings	September 21, 2017
[Amend-1] Legal Proceedings	September 21, 2017
Legal Proceedings	September 19, 2017
Legal Proceedings	September 19, 2017
Legal Proceedings - Subpoena to the Members of the Board	September 14, 2017
Legal Proceedings - Subpoena to the Corporate Officers	September 14, 2017
[ Amended-1] - Legal Proceedings	September 11, 2017
Second Quarter Report - June 2017	August 10, 2017
General Information Sheet 2017	July 11, 2017
Disbursement of Proceeds and Progress Report	July 4, 2017
Amendments to Articles of Incorporation	June 23, 2017
Results of the Annual Stockholders' Meeting	June 22, 2017
Results of Organizational Meeting of the Board of Directors	June 22, 2017
Other SEC Forms/ Reports/ Requirements (Corporate Governance Manual 2017)	May 31, 2017
Annual Corporate Governance Report	May 31, 2017
Definitive Information Statement	May 2, 2017
First Quarter Report - March 2017	May 2, 2017
Approval of Corporate Governance Policies	March 28, 2017
Compliance Report on Corporate Governance	March 29, 2017
2016 Annual Report	April 10, 2017
Preliminary Information Statement	April 17, 2017
Quarterly Progress Report on the application of the proceeds from stock rights offering for the period March 31, 2016	March 31, 2017
List of Stockholders as of March 15, 2017	March 16, 2017
Legal Proceedings	March 6, 2017
Board approval of the extension of corporate life	February 27, 2017
Quarterly Progress Report on the application of the proceeds from stock rights offering for the period December 31, 2016	January 4, 2017