3D ENERGI LIMITED — Capital/Financing Update 2025

Dec 15, 2025

ASX ANNOUNCEMENT

ASX: TDO 3D Energi Limited │

16 December 2025

Highly successful $14.5 million Placement

Highlights

• Firm commitments to raise $14.5 million (before costs) via a Placement at an issue price of $0.14 per share.

• The Placement was strongly supported by a number of offshore and domestic institutional investors, including both new and existing shareholders.

• Proceeds from the Placement will be applied towards testing at the Essington-1 well, drilling activities associated with the second well in the VIC/P79 (Charlemont-1) exploration program and general working capital purposes, including costs of the Placement.

3D Energi Limited (the “ Company ”; ASX: TDO) is pleased to advise that it has secured firm commitments from sophisticated and professional investors to raise $14.5 million (before costs) at an issue price of $0.14 per share (the “ Placement ”). The Placement was strongly supported by a number of new domestic and international institutional investors, as well as existing shareholders.

The Company will issue one (1) free attaching option for every one (1) new share issued under the Placement, subject to shareholder approval (“ Placement Options ”). The Placement Options are exercisable at $0.21 each, with an expiry date of 2 years from the date of issue. It is intended that the Placement Options will be listed, and an application will be made to the ASX for quotation of the options, subject to shareholder approval and meeting the ASX requirements for quotation of the options.

Proceeds from the Placement will be applied towards testing at the Essington-1 well, drilling the Charlemont-1 gas exploration well within the VIC/P79 exploration permit, the second well of the 2025 Otway Exploration Drilling Program (“ OEDP ”) and for general working capital purposes, including costs of the Placement. The Company looks forward to the drilling results from Charlemont-1, which aims to identify commercially viable natural gas reserves to support Australia’s East Coast market and meet current and future energy needs.

Placement Details

A total of 103,571,429 shares is intended to be issued under the Placement, with 61,687,710 shares under the Company’s ASX Listing Rule 7.1 placement capacity and 41,883,719 shares under the Company’s ASX Listing Rule 7.1A placement capacity. All Placement Options will be subject to shareholder approval at a General Meeting, which the Company expects to be held in late January 2026.

The Placement price of $0.14 per share represents a 17.6% discount to the last trading price of $0.17 on 11 December 2025 and a 18.5% discount to the 15-trading day volume weighted average price (“ VWAP ”) of $0.1719.

3D Energi Limited – ACN 105 597 279 Level 18, 41 Exhibition Street, Melbourne VIC 3000 Tel: +61 3 9650 9866 │ Email: info@3denergi.com.au │ www.3denergi.com.au

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ASX Announcement │ 3D Energi Limited

Placement Shares will be listed on the ASX and rank pari-passu with the existing fully paid ordinary shares. The Placement is expected to settle on 23 December 2025, with Shares allotted on or around 24 December 2025. The Placement Options will also be issued shortly following shareholder approval at the General Meeting.

Euroz Hartleys Limited and Canaccord Genuity (Australia) Limited acted as Joint Lead Managers to the Placement.

Executive Chairman’s Comments

Mr Noel Newell, Executive Chairman of 3D Energi, said “I am very pleased to see the strong support for this capital raise . These funds will be applied towards Essington well testing and drilling activities associated with the second well in the VIC/P79 (Charlemont-1) exploration campaign in the Otway Basin with our JV Partners ConocoPhillips and KNOC as well as providing funds for general work capital purposes, including costs of the Placement. The drilling campaign is the culmination of 12 years of technical work in derisking and advancing a large portfolio of gas prospects. As announced on 11 December 2025, drilling has commenced at the Charlemont-1 well and is expected to take approximately 32.9 days to drill to a total depth (TD) of 2830m True Vertical Depth Sub-Sea (TBDSS), subject to operational conditions, including wireline logging activities. We look forward to keeping shareholders updated as we progress through these milestone activities”.

This announcement is authorised for release by the Board of Directors of 3D Energi Limited.

Enquiries

For further information, please contact:

Noel Newell

Executive Chairman Email: info@3denergi.com.au Phone: +61 3 9650 9866

3D Energi Limited – ACN 105 597 279 Level 18, 41 Exhibition Street, Melbourne VIC 3000 Tel: +61 3 9650 9866 │ Email: info@3denergi.com.au │ www.3denergi.com.au

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