OTTO MARINE LIMITED

(Company Registration Number 197902647M)

(Incorporated with limited liability in the Republic of Singapore on 5 September 1979)

EXERCISE OF OPTION TO ACQUIRE SHARES OF GO MARINE GROUP PTY LTD

The Board of Directors (the "Board") of Otto Marine Limited (the "Company") refers to the announcement made by the Company in relation to the Proposed Acquisition (as defined on the 1
February Announcement) on 1 February 2011 (the "1 February Announcement").
Unless otherwise defined, all terms used or referred to in this announcement have the meanings assigned to them in the 1 February Announcement.
Further to the 1 February Announcement, the Board is pleased to announce that the Company's wholly-owned subsidiary, OVPL, has issued a notice for conversion of the second tranche of the Convertible Facility into: (a) 70,604,373 new ordinary shares; and (b) 2,017,268 new non-voting shares, in the share capital of Go Marine, at an exercise price of A$1.
Following the conversion of the second tranche of the Convertible Facility, OVPL will have an approximate effective shareholding of 55.0% and 49.0% in the enlarged paid-up and issued ordinary and non-voting shares of Go Marine (on a full conversion basis) respectively.
The OVPL's higher effective shareholding in the ordinary shares of Go Marine of approximately 55.0% as compared to the former estimated shareholding of approximately 49.0% is attributable to a selective share buyback and capital reduction exercise undertaken by Go Marine in respect of 20,888,888 ordinary shares held by one of its former directors.
The Company expects that the conversion of the Convertible Facility will have a positive contribution to its financial results for its full year 2011.
None of the directors or controlling Shareholders of the Company has any interest, whether direct or indirect, in the transactions described in this announcement other than through their shareholdings in the Company.

INFORMATION ON GO MARINE

Go Marine is an Australian-incorporated company in the business of providing of offshore and inshore marine services to the oil and gas industry. Its core competencies include: (a) ship management; (b) marine / construction crewing; (c) marine consultancy; (d) rig moving; and (e) the supply of anchor handlers, barges, PSV's and tugs to the oil and gas industry.
BY ORDER OF THE BOARD See Kian Heng
Company Secretary
2 November 2011