20 Feb 2026joint venture update● Neutral
The Mereenie JV agreed with Power and Water to push the deadline for signing a binding gas sales agreement from 20 February to 2 March 2026. The agreements are still unsigned.
Announcements, explained
Each one in plain English, with the numbers worked through for a shareholder.
29 Jan 2026quarterly activities report● Neutral
December quarter: production rose 18% to 578,393 boe with the first full quarter of Thai output; revenue US$27.4m; cash US$35.6m, net debt US$9.8m. Hedges cover 185,000 bbl at about US$64 through May 2026. Oil prices fell to US$60-65.
13 Jan 2026material agreement▲ GoodMajor
The Nam Phong joint venture approved a booster compressor in Thailand, expected to lift field output by at least 40% from mid-2026. Horizon's share of cost is under US$1.5m, funded from cash and revenue. Builds on the Thai acquisition completed in August 2025.
15 Dec 2025joint venture update▲ Good
Echelon (a third-party 42.5% Mereenie holder) says the Mereenie and Palm Valley JVs agreed non-binding terms with NT's Power and Water for gas sales to end-2034, enabling four new wells (two at Mereenie). Duplicates Horizon's own announcement.
15 Dec 2025contract award▲ GoodMajor
Mereenie JV (Horizon 25%) signed a binding letter of intent with NT's Power and Water for early works on two new wells, drilling targeted mid-2026, and firm gas supply to 2034. Binding gas sales agreements are targeted by 20 February 2026; follows the 2026-27 McArthur River deal.
15 Dec 2025joint venture update▲ Good
Central (Mereenie operator, a third party) says the JVs signed a binding letter of intent with Power and Water for early drilling works and gas supply to end-2034, with drilling targeted mid-2026. Duplicates Horizon's announcement.
19 Nov 2025investor presentation● Neutral
Chairman's and CEO's addresses to the 19 November 2025 AGM. Restates FY25 results, A$0.03 dividends, 15.5c returned over five years and the US$30.0m Thailand deal (3.5 MMboe 2P, 28% reserves addition). No new figures beyond known facts.
19 Nov 2025agm notice● Neutral
All seven AGM resolutions carried on 19 November 2025. The remuneration report passed with about 83% in favour; the others passed with over 98%, including Costello's election and Clement's re-election.
17 Nov 2025agm notice● Neutral
Logistics notice for the 19 November 2025 AGM, held in person in Sydney with a live webcast. Administrative only.
30 Oct 2025quarterly activities report▲ Good
September quarter: production rose 37% to 490,428 boe with two months of Thai output; revenue US$26.7m; cash US$46.0m, net debt US$2.0m. Final 1.5c dividend paid 24 October; Thai payback forecast within 24 months.
21 Oct 2025contract award▲ GoodMajor
The Mereenie JV signed a firm, take-or-pay, fixed-price gas deal with McArthur River Mining for 4.9 PJ over 2026–27 (1.3 PJ net to Horizon), plus as-available volumes. Addresses the gas being re-marketed after the Arafura deal lapsed.
21 Oct 2025joint venture update▲ Good
Central (Mereenie operator, a third party) says it signed a firm, fixed-price gas deal with McArthur River Mining for 2026–27, part of up to 4.9 PJ from the JV. Duplicates Horizon's announcement.
21 Oct 2025joint venture update▲ Good
Echelon (a third party, 42.5% Mereenie holder) reports the Mereenie JV signed a gas supply deal with McArthur River Mining for 2026 and 2027, with take-or-pay firm gas. Duplicates Horizon's own announcement.
10 Sept 2025investor presentation● Neutral
Conference presentation in Perth restating FY25 results, the 3c dividend and the portfolio across China, Thailand, Mereenie and Maari. No new information was readable beyond already-announced facts.
29 Aug 2025director officer appointment● Neutral
Sandra Birkensleigh retired from the board on 29 August 2025 after about nine and a half years, as previously flagged. Catherine Costello takes over as Audit Committee Chair; Peter Goode joins the Remuneration and Nomination Committee.
28 Aug 2025annual report▲ GoodMajor
FY25 results: production rose 13% to 1.62 MMboe, revenue US$105.3m (down 5.5%), profit before tax US$16.7m. Final dividend of 1.5c declared (3.0c for the year). Cash US$39.8m, net cash US$13.7m at 30 June.
28 Aug 2025investor presentation● Neutral
FY25 results presentation; the text is mostly unreadable chart fragments. Covers the same results as the annual announcement, with no further figures reliably extractable.
28 Aug 2025annual report● Neutral
FY25 sustainability report covering safety, community, governance and climate performance. Notes safety metrics better than the regulator benchmark and the Thailand completion after year end. Reporting document with no new financial or operating news.
28 Aug 2025annual report● Neutral
FY25 Corporate Governance Statement and Appendix 4G, approved by the board on 25 August 2025. Routine compliance document with no new business developments.
27 Aug 2025regulatory community update▲ GoodMajor
The Maari permit (Horizon 26%) was extended ten years, from December 2027 to December 2037, with no added work obligations. Resolves the extension application lodged in September 2024; field output was above 5,600 bopd in August.
26 Aug 2025agm notice● Neutral
Notice of a 28 August 2025 shareholder webcast on FY25 results, and that the AGM will be held 19 November 2025. Administrative only; a formal notice of meeting will follow.
1 Aug 2025asset acquisition disposition▲ GoodMajor
Horizon completed the Thailand purchase on 1 August 2025: effective 7.5% of Sinphuhorm and 60% of Nam Phong gas fields, adding about 2,100 boe/d. Net payable at completion was US$21.6m, funded mostly by the new Macquarie debt; up to US$7.5m contingent payments may follow.
1 Aug 2025investor presentation● Neutral
Presentation accompanying the Thailand completion, setting out the strategic rationale for the 7.5% Sinphuhorm and 60% Nam Phong interests. Repeats the same-day completion announcement; no new figures beyond it were readable in the text provided.
31 July 2025quarterly activities report● Neutral
Text not readable.
28 July 2025resource reserve update▼ BadMajor
At 30 June 2025, 2P reserves fell 9% to 9.0 MMboe from 9.9, as production of 1.6 MMboe outweighed a +0.8 Maari life-extension gain. 2C resources fell 8% to 12.3 MMboe. The Thai acquisition's 3.9 MMboe 2P is excluded until completion.
22 July 2025debt financing▲ Good
Financial close reached on the amended Macquarie facility. Tranches A and B1, about US$21.5m, are due to be drawn shortly to support completion of the Thailand acquisition. Terms repeat the 17 June announcement.
17 June 2025debt financing▲ GoodMajor
Horizon signs an amended Macquarie facility to fund the Thai deal: Mereenie debt rises to up to A$50m, plus new tranches of US$15m and US$10m. Remaining cash payable at completion is US$28.5m, expected to fall as cash flow accrues. Completion expected in coming months.
16 June 2025drilling result▲ Good
The A9H infill well in Block 22/12 (Horizon 26.95%) is producing, initially from an unexpected shallower reservoir at 372 bopd gross (100 net). Reserves to be booked at the pre-drill 0.4 mmbbl gross (0.1 net). Result matches the forecast made at spud.
2 June 2025director officer appointment● Neutral
Catherine Costello joins the board as independent non-executive director from 1 June 2025, part of the planned refresh. She will take over as Audit Committee Chair when Sandra Birkensleigh retires after the August FY25 results.
30 Apr 2025quarterly activities report● Neutral
March quarter: production 407,778 boe, revenue US$26.4m, cash US$51.5m, net cash US$26.4m. Interim dividend of 1.5c paid 24 April. Thai acquisition progressing, with a US$1.5m deposit paid; oil hedges 230,000 bbl at ~US$70/bbl.