Mastermyne (ASX: MYE): A $255m Dendrobium Contract, an Earnings Beat and a 190% Quarterly Momentum Move

Written by Christopher Hall, AdvDipFP | Authorised Representative, AFSL 526688 | August 2026

Mastermyne Group Limited (ASX: MYE) is a Mackay-based underground mining services contractor that supplies development, contract mining, strata consolidation and specialist products to Australian underground coal operations. As at 11 August 2026, Mastermyne ranked #2 on the Finer Market Points ASX momentum list with a quarterly return of 190% — the third-highest quarterly return measured on that list — and gained 41.46% over the week, the third-strongest weekly return in the same dataset.

The catalyst: a Dendrobium contract worth up to $255 million

On 5 August 2026, Mastermyne executed a new mining services contract with GM³ for the Dendrobium underground metallurgical coal mine in New South Wales. The initial two-year term carries estimated gross revenues of approximately A$85 million, and the two two-year extension options, if exercised, would take total estimated gross revenues to approximately A$255 million over six years. The contract adds more than 140 new roles, is scheduled to commence in September 2026, and expands a scope at Dendrobium that previously covered strata consolidation and project work. GM³ is a metallurgical coal joint venture between Golden Energy and Resources and M Group, Mastermyne's largest shareholder — a related-party dimension a reader should weigh for themselves.

Mastermyne's Managing Director and CEO, Jeff Whiteman, said in the 5 August 2026 announcement:

"Looking ahead, we enter FY27 with considerable momentum and confidence. The Company's order book and pipeline of opportunities remains strong, underpinned by sustained demand for specialist underground coal mining services throughout the East coast coal basins."

The earnings step-up behind it

The contract landed two weeks after a result that beat the company's own guidance. On 22 July 2026, Mastermyne reported unaudited FY26 revenue of A$237.7 million and underlying EBITDA of A$20.3 million, above the upper end of guidance ranges of A$230 million and A$18.0 million respectively, and up from A$210.0 million and A$13.8 million in FY25. The order book stood at A$432 million at 30 June 2026, up from A$314 million a year earlier, against a pipeline of A$1.5 billion of targeted opportunities of which A$823 million is classed as near-term.

Net cash was A$46.5 million at 30 June 2026, up from A$33.1 million at 31 December 2025 — a figure the company states excludes a A$7.0 million financial penalty plus A$0.3 million of regulator's costs imposed by the District Court of Queensland on 1 May 2026 over a September 2021 incident at Crinum mine, against which Mastermyne has filed a notice of appeal. Audited FY26 results and the Annual Report are scheduled for 26 August 2026.

Key metrics

Metric	Value
Rank (FMP momentum list, 11 August 2026)	2
Momentum score	0.4172
Weekly return (rank 3)	+41.46%
Quarterly return (rank 3)	+190%
Trading sessions on the FMP Top 30	44
Launch Pad entry	None recorded
Sector (plain English)	Underground coal mining services and strata products
Data source	FMP Momentum Research, 11 August 2026

Mastermyne reached the Finer Market Points Top 10 for the first time on 8 August 2026 at rank #4, and moved to #2 by 11 August 2026 — reaching the list without a Launch Pad entry, which is uncommon among Top 10 names. Comparable coal-exposed names sit on the ASX coal stocks research hub.

Remember that past performance is no guarantee of future results, and all trading involves risk.

Frequently Asked Questions

What does Mastermyne Group (ASX: MYE) do?

Mastermyne Group Limited, founded in 1996 and headquartered in Mackay, Queensland, delivers underground mining services — strata consolidation, development, longwall and outbye support, technical services and products — across coal basins in Queensland and New South Wales. It trades under the Mastermyne and Wilson Mining brands, and on 20 January 2026 extended its exclusive Jennmar distribution agreement for strata consolidation products to 2047.

Is Mastermyne a coal miner?

No. Mastermyne is a services contractor to underground coal operations, not a coal producer, and it holds no tenements. Its revenue comes from contracted mining services and strata products supplied to mine owners, which is why its results track contract awards and the order book rather than the coal price directly.

Why has Mastermyne's share price gone up so much?

Mastermyne recorded a quarterly return of 190% as at 11 August 2026 on Finer Market Points momentum data. That quarter coincides with three dated announcements: a 20 May 2026 update guiding FY26 revenue and underlying EBITDA to the upper end of their ranges, unaudited FY26 results on 22 July 2026 that came in above those ranges at A$237.7 million and A$20.3 million, and the Dendrobium contract executed on 5 August 2026 worth up to approximately A$255 million over six years. The sequence is documented coincidence in timing; no causal attribution to any single announcement is made here.

How big is Mastermyne's order book?

A$432 million as at 30 June 2026, up from A$314 million at 30 June 2025, with contract extension options included in that figure. The company separately reported a pipeline of A$1.5 billion of targeted opportunities at the same date, of which A$823 million was considered near-term — meaning contracts where an award decision is expected within twelve months.

Is Mastermyne a top ASX coal stock?

Mastermyne is a mining services contractor with coal-sector exposure rather than a coal producer, so it is not directly comparable to ASX coal miners. A momentum-list appearance measures recent price momentum over a defined period, not company quality, balance-sheet strength or investment merit. This is general educational information, not a recommendation.

Access the weekly momentum data

FMP members access the weekly Top 30 ASX momentum data — the same proprietary research that flagged Mastermyne — 19 hours before the Gary Glover weekly session goes live. Find out more about FMP membership.

Sources

#	Source	Type
1	Mastermyne Group Limited, ASX announcement, 5 August 2026 — "Award of new Dendrobium mining services contract valued up to $255m"	Company announcement
2	Mastermyne Group Limited, ASX announcement, 22 July 2026 — "Mastermyne exceeds guidance with strong FY26 results (unaudited)"	Company announcement
3	Mastermyne Group Limited, ASX announcement, 20 May 2026 — "FY26 revenue and underlying EBITDA expected at upper end of guidance range"	Company announcement
4	Mastermyne Group Limited, ASX announcement, 20 January 2026 — "Exclusive strata products distribution agreement extended to 2047"	Company announcement
5	Finer Market Points Momentum Research — weekly ASX momentum dataset as at 11 August 2026	Proprietary data

Educational Disclaimer: This content is for educational purposes only and does not constitute financial advice. Past performance is no guarantee of future results. Consider your financial situation and seek professional advice before making investment decisions.

Finer Market Points Pty Ltd, CAR 1304002, AFSL 526688, ABN 87 645 284 680. This general information is educational only and not financial advice, recommendation, forecast or solicitation. Consider your objectives, financial situation and needs before acting. Seek appropriate professional advice. We accept no liability for any loss or damages arising from use. Authors and presenters may hold positions in discussed companies and investment products.