17 August 2017

The Manager, Company Announcements ASX Limited

Exchange Centre 20 Bridge Street Sydney NSW 2000

Horizon Oil Limited ABN 51 009 799 455

Level 6, 134 William Street, Woolloomooloo NSW Australia 2011

Tel +61 2 9332 5000, Fax +61 2 9332 5050 www.horizonoil.com.au

HORIZON OIL (HZN) SEAAOC PRESENTATION

Attached is Horizon Oil's presentation to the Southeast Asia Australia Offshore & Onshore Conference (SEAAOC).

Yours faithfully,

Kylie Quinlivan

Corporate Counsel & Assistant Company Secretary

For more information please contact:

Horizon Oil Limited

T: +61 2 9332 5000

Level 6, 134 William St

Brent Emmett Chief Executive Officer

F: +61 2 9332 5050

E: info@horizonoil.com.au

Woolloomooloo NSW 2011

horizonoil.com.au

Media enquiries Gavan Collery ResourceComms Pty Ltd

M: +61 419 372 210

E: gavan@resourcecomms.com

HORIZON OIL LIMITED / ABN 51 009 799 455

Western LNG - developing gas in Papua New Guinea's foreland BrentEmmett CEO

Keyplayersintheregion-Projects& Initiatives

17August2017

SEAAOC

Southeast Asia Australia Offshore & Onshore Conference

Disclaimer

Statements contained in this material, particularly those regarding the possible or assumed future performance, costs, dividends, returns, production levels or rates, prices, reserves, potential growth of Horizon Oil Limited, industry growth or other trend projections and any estimated company earnings are or may be forward looking statements. Such statements relate to future events and expectations and as such involve known and unknown risks and uncertainties. Actual results, actions and developments may differ materially from those expressed or implied by these forward looking statements depending on a variety of factors.

While every effort is made to provide accurate and complete information, Horizon Oil accepts no responsibility for any loss, damage, cost or expense incurred by you as a result of any error, omission or misrepresentation in information in this presentation.

The reserve and resource information contained in this announcement is based on information compiled by Alan Fernie (Manager - Exploration and Development). Mr Fernie (B.Sc), who is a member of AAPG, has more than 38 years relevant experience within the industry and consents to the information in the form and context in which it appears.

All dollars in the presentation are United States dollars unless otherwise noted.

SEAAOC Presentation August 2017 2

Presentation outline

  • Papua New Guinea's LNG landscape

  • Appraised western foreland fields - gas and condensate ownership

  • Western LNG development schematic

  • Development concept selection

  • Project area terrain

  • Floating LNG facility

  • Asian LNG demand forecast and target markets

  • Western LNG key points

SEAAOC Presentation August 2017 3

Horizon Oil Limited published this content on 17 August 2017 and is solely responsible for the information contained herein.
Distributed by Public, unedited and unaltered, on 16 August 2017 23:36:05 UTC.

Original documenthttp://hzn.live.irmau.com/irm/PDF/2361_0/SEAAOCPresentation

Public permalinkhttp://www.publicnow.com/view/217BD551760D43C5342FB79761DDC2323597ACFF