A Positive Gold-Antimony PEA Just Landed in a Fast-Track Jurisdiction, with 19,000 Metres of Drilling Already Underway

Rhea-AI Summary

Rua Gold (TSX: RUA) published a positive Preliminary Economic Assessment for the 100% owned Auld Creek gold-antimony project (May 5, 2026).

The base case shows an after-tax NPV5% of US$42M, IRR 17%, 3.3-year payback, US$132.6M initial capex, and a 5.5-year mine life. A 19,000-metre drill program is underway targeting resource growth and a planned PFS in Q4 2026.

AI-generated analysis. Not financial advice.

Positive

• After-tax NPV5% of US$42M and IRR of 17% (base case)
• At spot gold (US$4,700/oz) NPV rises to US$113M with IRR 36%
• High metallurgical recoveries: 95% gold and 85% antimony
• 19,000 metres infill and step-out drill program currently underway
• Two saleable concentrates produced with a no-cyanide grind-and-flotation flowsheet

Negative

• Short base-case mine life of 5.5 years
• Initial capital expenditure of US$132.6M (includes 29% contingency)
• Resource split skewed toward Inferred (1.3 Mt inferred vs 0.3 Mt indicated)

News Market Reaction – NFGC

+5.97%

3 alerts

+5.97% News Effect

+5.7% Peak Tracked

+$48M Valuation Impact

$852.66M Market Cap

0.1x Rel. Volume

On the day this news was published, NFGC gained 5.97%, reflecting a notable positive market reaction. Argus tracked a peak move of +5.7% during that session. Our momentum scanner triggered 3 alerts that day, indicating moderate trading interest and price volatility. This price movement added approximately $48M to the company's valuation, bringing the market cap to $852.66M at that time.

Data tracked by StockTitan Argus on the day of publication.

Key Figures

Drill intercept: 9.51 g/t Au over 19.85 m Drill intercept: 2.68 g/t Au over 16.40 m La Mina NPV5%: US$1.0 billion +5 more

8 metrics

Drill intercept 9.51 g/t Au over 19.85 m Queensway Gold Project, Keats West zone

Drill intercept 2.68 g/t Au over 16.40 m Queensway Gold Project step-out drilling

La Mina NPV5% US$1.0 billion GoldMining Inc. La Mina updated PEA base case

La Mina IRR 32.2% GoldMining Inc. La Mina updated PEA base case

La Mina initial capex US$523.3 million GoldMining Inc. La Mina updated PEA

La Mina AISC US$1,045/oz gold GoldMining Inc. La Mina updated PEA

Drill intercept 26.98 g/t Au, 48.4 g/t Ag over 7.0 m Mako Mining Las Conchitas South, Candelaria zone

Drill intercept 21.79 g/t Au, 23.0 g/t Ag over 5.0 m Mako Mining Las Conchitas South, Candelaria zone

Market Reality Check

Price: $2.17 Vol: Volume 1,370,866 is below...

normal vol

$2.17 Last Close

Volume Volume 1,370,866 is below the 20-day average of 1,765,914 ahead of this article. normal

Technical Shares at $2.01 are trading below the 200-day MA of $2.32, and about 44% under the 52-week high of $3.59.

Peers on Argus

NFGC was down 2.9% while momentum-screen peers THM, ODV, IAUX, and CNL were all ...

4 Up

NFGC was down 2.9% while momentum-screen peers THM, ODV, IAUX, and CNL were all up between 5.10% and 19.04%, indicating stock-specific weakness rather than a broad gold-sector move.

Historical Context

5 past events · Latest: May 04 (Positive)

Pattern 5 events

Date	Event	Sentiment	Move	Catalyst
May 04	Drill results Queensway	Positive	-1.4%	High-grade AFZ Core drilling results and continuity confirmation at Queensway.
Apr 27	Bought-deal financing	Positive	-1.4%	Closing of C$115M bought-deal share financing with insider participation.
Apr 22	Dropkick drilling	Positive	+1.8%	Expansion of Dropkick Zone with strong high-grade drill intercepts.
Apr 20	Finance package	Positive	+6.9%	Announcement of a C$205M finance package for Queensway and Hammerdown.
Mar 25	Year-end filings	Neutral	-7.7%	Filing of 2025 annual financial statements and related disclosure documents.

Pattern Detected

Recent news has often been positive (drilling success, financings, acquisition), yet price reactions have been mixed, with both alignments and divergences, including notable downside on neutral disclosure events.

Recent Company History

Over the last six weeks, NFGC has reported multiple operational and corporate milestones. Drilling updates on the Queensway AFZ Core and Dropkick zones highlighted high-grade intercepts and expanding mineralized strike, while a C$205M finance package and a bought-deal for 38,870,000 shares at C$2.96 strengthened project funding. The company also closed its Maritime Resources acquisition and filed 2025 year-end disclosure documents. Despite generally constructive news, share-price reactions have alternated between gains and pullbacks, suggesting inconsistent short-term responses to announcements.

Market Pulse Summary

The stock moved +6.0% in the session following this news. A strong positive reaction aligns with the...

Analysis

The stock moved +6.0% in the session following this news. A strong positive reaction aligns with the sector-wide focus on high-grade gold projects and growing interest in gold-antimony systems highlighted in this article. NFGC’s prior drilling at Queensway delivered intercepts such as 9.51 g/t Au over 19.85 m, and recent financings and a C$205M package have supported development plans. However, mixed historical reactions, including declines of 1–8% after upbeat updates, suggest that enthusiasm could fade if subsequent drill or technical results disappoint.

Key Terms

preliminary economic assessment, all-in sustaining costs, ni 43-101 technical report, qualified persons, +3 more

7 terms

preliminary economic assessment technical

"On May 5, the Company released the results of a positive Preliminary Economic Assessment"

A preliminary economic assessment is an initial analysis that estimates the potential profitability and feasibility of a project or resource, such as a new mineral deposit or development venture. It provides a rough idea of costs, benefits, and risks, helping investors decide whether to pursue more detailed studies. This early evaluation is important because it offers a snapshot of whether the project is worth further investment and development.

all-in sustaining costs financial

"Cash costs land at US$1,400/oz gold and AISC at US$1,850/oz"

All-in sustaining costs (AISC) is a per-unit measure used mainly in the mining sector that captures the full ongoing cost to produce a unit of metal, including operating expenses, sustaining capital (maintenance of current operations), and a share of corporate overhead and site-level costs. Investors use AISC to judge whether production generates real profit and sustainable cash flow—think of it as the total monthly household cost to keep a home running, not just the utility bill.

ni 43-101 technical report regulatory

"The Company will file an independent NI 43-101 Technical Report on SEDAR+ within 45 days"

A NI 43-101 technical report is a standardized, legally required study used in Canada that describes a mining project’s geology, exploration work, and estimates of how much mineral or ore might exist. Think of it as an independent inspector’s blueprint that explains the data, methods, and uncertainties behind those estimates so investors can judge how reliable the claims are and compare projects on a consistent basis.

qualified persons regulatory

"The PEA is signed off by three independent Qualified Persons within the meaning of NI 43-101"

A qualified person is a named professional who holds the legal credentials and expertise required by regulators to review and sign off on technical, scientific or safety-related information in public disclosures. For investors, this functions like a licensed inspector or certified auditor: it signals that key claims — about clinical results, mining resources, or product safety — have been checked by someone officially authorized, which increases trust and reduces the chance of misleading statements.

by-product credit financial

"the by-product credit is what drives the cost-per-ounce structure"

By-product credit is the income a company earns from selling secondary goods that are produced alongside its main product, and that income is subtracted from the main product’s reported production cost. Think of it like a baker who sells leftover crumbs to lower the effective cost of each loaf; for investors, by-product credits shrink reported unit costs and can boost margins or hide underlying cost trends, so they affect profitability and valuation.

all-in sustaining costs (aisc) financial

"Cash costs land at US$1,400/oz gold and AISC at US$1,850/oz"

All-in sustaining costs (AISC) is a per-unit measure that shows the total ongoing cost to keep a producing asset running, including operating expenses, routine maintenance, sustaining capital, and a share of corporate and administrative costs. For investors it provides a more complete picture than simple production cost numbers—think of it as the full monthly bill to maintain a business divided by its output—helping compare profitability and cash flow durability across producers.

open-pit technical

"The study contemplates an 11.2-year open-pit mine life processing 61.3 Mt of ore"

An open-pit is a surface mining method in which rock and soil are removed in successive layers to create a large, bowl-shaped excavation where ore is dug from the ground rather than from underground tunnels. For investors, it matters because open-pit operations usually allow higher-volume, lower-cost extraction but also require big upfront capital, long permitting and reclamation obligations, visible environmental impacts and limits on how deep and how long a mine can operate.

AI-generated analysis. Not financial advice.

Issued on behalf of Rua Gold Inc.

With antimony designated a U.S. Critical Mineral and gold pushing past US$4,500 per ounce, the small group of named developers with a positive PEA, a permitting pathway, and an active drill program just got a lot more interesting — one of them just published the numbers this week.

VANCOUVER, BC, May 6, 2026 /PRNewswire/ -- Equity-Insider.com News Commentary — Two stories collided this quarter and most generalist investors haven't connected them yet. Gold has spent 2026 making and re-making record highs as central banks keep buying and major producers keep guiding output declines. Antimony — quietly designated by the U.S. as a Critical Mineral after China's late-2024 export restrictions — has become one of the most strategically sensitive metals on the Department of War's watchlist[1]. The names that sit at the intersection of those two stories — gold-antimony developers in friendly jurisdictions, with a real economic study, a permitting path, and a drill rig in the ground — are a very short list.

That's the lane that just got crowded with new data. The supply side for both metals is breaking in slow motion. Major gold producers are guiding 2026 output lower because reserves are draining faster than discoveries can replace them. Antimony is even tighter — China still controls the majority of global supply, and the West is racing to stand up domestic and allied production. The premium goes to companies that are already permitted, already funded, and already turning the drill bits. Rua Gold Inc. just delivered all three at once.

Rua Gold Inc. (TSX: RUA) (NZX: RGI) (OTC: NZAUF) (FSE: X9R) is the textbook version of that profile. On May 5, the Company released the results of a positive Preliminary Economic Assessment ("PEA") for the 100%-owned Auld Creek Gold-Antimony Project, located in the historic Reefton Goldfield on New Zealand's South Island. The base case delivers an after-tax NPV5% of US$42 million and an after-tax IRR of 17% with a 3.3-year payback. At spot gold (US$4,700/oz), those numbers move to US$113 million NPV and 36% IRR with payback inside 2.2 years. Initial capex is US$132.6 million — including a 29% contingency — for a 5.5-year, 250,000 tpa underground operation producing two saleable concentrates: gold and antimony.

The PEA is a clean, conservative scoping study, not a stretch. Recoveries are 95% gold and 85% antimony from a simple grind-and-flotation circuit with no cyanide. The mine is underground decline access from surface portals, with the on-Crown-land footprint targeted at less than one hectare. Cash costs land at US$1,400/oz gold and AISC at US$1,850/oz, comfortably inside the global cost curve at any reasonable price deck. And critically, RUA GOLD has already initiated a 19,000-metre infill and step-out drill program targeting both Inferred-to-Indicated conversion ahead of a planned PFS and resource extension at depth and northwards — with the Inferred Resource open in both directions.

Robert Eckford, CEO of Rua Gold, framed the milestone directly[2]: "The Auld Creek PEA highlights the strong cash flow generation, compelling economics, and scalability potential within the Reefton Goldfield. This study represents only a portion of the broader district opportunity, with significant upside remaining at depth and along strike. With drilling underway and permitting advancing, we are well positioned to deliver a PFS in Q4 2026 and take advantage of New Zealand's Fast-Track Approvals permitting process."

The Investor's Five Questions, Answered

1. Why Auld Creek when there are larger gold deposits in the same conversation?

Because most larger projects don't have antimony as a dual-revenue stream, and most don't sit inside a Fast-Track Approvals jurisdiction. Auld Creek's PEA models contained metal of 84,000 ounces gold plus roughly 9,000 tonnes of antimony over the initial 5.5-year mine plan. The antimony exposure isn't a side note — at the PEA's US$27,000/t antimony price, the by-product credit is what drives the cost-per-ounce structure. And the Reefton Goldfield itself has historic production of more than 2 million ounces at grades reportedly between 9 and 50 g/t[2], with more than 120,000 hectares of permits under Rua Gold's control across the district.

2. What's the catalyst path from here?

It's a tight, well-defined sequence. RUA GOLD has already approved a work plan to advance the project to PFS stage, including the ongoing 19,000-metre drill program, metallurgical testing, geotechnical investigations, mine optimization and trade-off studies, detailed process design work, updated resource and mine plans, and baseline environmental and social surveys. Eckford has signaled the Company is positioned to deliver a PFS in Q4 2026 and to leverage New Zealand's Fast-Track Approvals permitting process — the same regime now being used by other large mining projects on both islands. The Company will file an independent NI 43-101 Technical Report on SEDAR+ within 45 days of the May 5 release.

3. How real is the PEA's growth potential beyond the base case?

Real enough that the next eighteen months are about expanding the deposit, not just confirming it. The current Mineral Resource Estimate for Auld Creek (effective February 27, 2026) reports 0.3 million tonnes Indicated at 5.67 g/t AuEq for 54,000 ounces, plus 1.3 million tonnes Inferred at 3.66 g/t AuEq for 150,000 ounces — at a 1.6 g/t cut-off. The Inferred Resource remains open at depth and to the north, and the active 19,000-metre infill and step-out drill program is specifically designed to target both directions. Per the Company's own disclosure, the program has the potential to further improve production volumes and extend the LOM beyond the current 5.5-year base case[2].

4. What about Glamorgan — is the second project a real second leg?

Glamorgan is the longer-dated optionality lever. The project is located in New Zealand's North Island Hauraki District, a region that has reportedly produced an impressive 15 million ounces of gold and 60 million ounces of silver historically[2]. It puts Rua Gold into both of New Zealand's most prolific historical gold districts at once — Reefton on the South Island for the near-term build, Hauraki on the North Island for the longer-cycle growth. Few small developers in any jurisdiction can claim that kind of district-scale footprint at this market cap.

5. Who's signing off on the technical work?

The PEA is signed off by three independent Qualified Persons within the meaning of NI 43-101: Abraham Whaanga, BSc, MAusIMM (CP) of RSC for the resource work; Gary Davison, FAusIMM, Principal Mining Engineer and Director of Mining One Consultants for mining methods, mining capital and operating costs, and economic analysis; and Marius Phillips, NHD Ex Met, MAusIMM (CP), RPEQ, Technical Director of Pitch Black Group for plant capital and operating costs, mineral processing, and metallurgical testing and recovery methods. Each QP has independently reviewed and verified the relevant underlying data and is independent of Rua Gold Inc. The PEA also identifies multiple Opportunities for Enhancement — including infill and exploration drilling, optimized metallurgical and process design, geotechnical optimization, and infrastructure scheduling — that the work plan is now systematically advancing.

Five Reasons This Is the Setup

1. PEA published, not pending. Auld Creek delivers US$42M after-tax NPV5%, 17% IRR, and 3.3-year payback at base case — and US$113M / 36% / 2.2 years at spot gold. The economic study isn't theoretical; it's on file as of May 5, 2026.

2. Two saleable concentrates, no cyanide. The flowsheet is conventional grind, rougher flotation, and four-stage cleaner flotation — producing a gold concentrate and a separate antimony concentrate. Recoveries are 95% gold and 85% antimony. Lower technical risk than refractory-ore projects.

3. Permitting pathway clarified. Per the CEO, the Company is positioned to take advantage of New Zealand's Fast-Track Approvals permitting process, with the PFS targeted for Q4 2026.

4. 19,000 metres turning right now. The infill and step-out drill program is underway, targeting both the conversion of Inferred Resources to Indicated ahead of PFS, and step-out drilling that has the potential to further improve production volumes and extend the LOM beyond the current 5.5-year base case.

5. Two world-class districts, one company. Reefton (South Island, >2 Moz historic at 9-50 g/t) for near-term build economics. Glamorgan (North Island Hauraki, ~15 Moz Au + 60 Moz Ag district-scale endowment) for longer-cycle growth.

NOTE: For a Cautionary Note on the PEA and on the inclusion of Inferred Resources, please see the Disclaimer below.

Read this and more news for Rua Gold at: https://equity-insider.com/rua-profile/

In other industry developments and happenings in the market include:

Nova Minerals Limited (NASDAQ: NVA) recently provided its quarterly activities update covering antimony grant progress, Estelle Project advancement, and corporate growth.

Nova advanced its U.S. Department of War-funded antimony work program at the Estelle Gold-Antimony Project in Alaska, with the grant supporting domestic critical mineral capacity development[3]. The Estelle Project is positioned as a strategic gold-antimony development in a U.S. jurisdiction, mirroring the dual-metal exposure thesis that has become a central theme for North American critical-mineral developers in 2026.

"The combination of gold and antimony at Estelle gives us exposure to two metals where U.S. policy support continues to strengthen," Nova has previously stated. The Department of War antimony grant work and the broader Estelle exploration program form the core of Nova's near-term value drivers.

GoldMining Inc. (NYSE American: GLDG) (TSX: GOLD) released results of an updated Preliminary Economic Assessment for its La Mina Project in Antioquia, Colombia[4].

The updated PEA reports an after-tax NPV5% of approximately US$1.0 billion and an after-tax internal rate of return of 32.2% at base-case metal prices, with initial capital costs of US$523.3 million. The study contemplates an 11.2-year open-pit mine life processing 61.3 Mt of ore at 15,000 tpd, with average life-of-mine annual production of approximately 137,000 ounces gold equivalent. Total cash costs are estimated at US$872 per ounce gold and all-in sustaining costs at US$1,045 per ounce gold on a by-product basis. At higher spot-price assumptions, after-tax NPV5% rises to US$1.8 billion with after-tax IRR of 49.1% and payback improving to 1.9 years.

"The updated Project PEA highlights the underlying quality of the La Mina porphyry gold-copper mineral system," said Alastair Still, CEO of GoldMining. "By capturing current market consensus metals pricing, the PEA conceptualizes a robust $1.0 billion base case project that is characterized with an efficient capital intensity."

New Found Gold Corp. (NYSE American: NFGC) (TSXV: NFG) released final 2025 infill and step-out drill results from the AFZ Core area at the Queensway Gold Project in Newfoundland and Labrador[5].

The results confirmed strong continuity of gold mineralization in the Phase 1 open pits at Keats West, Iceberg, and Keats, while step-out drilling intersected new high-grade zones below planned Phase 2 pits. Highlights include 9.51 g/t Au over 19.85 metres at Keats West and 2.68 g/t Au over 16.40 metres in step-out drilling. The Company has also restarted its 2026 Queensway drill program with four rigs currently active, focused on resource conversion ahead of an updated Queensway technical report planned for the second half of 2026.

Mako Mining Corp. (NASDAQ: MAKO) (TSXV: MKO) reported additional exploration results from the ongoing reverse-circulation and diamond drilling program at the San Albino Project's Las Conchitas area in northern Nicaragua[6].

Drilling at the Candelaria zone within the Las Conchitas South area extended the footprint of gold mineralization more than 450 metres along strike from the existing Limon-Mango-Bayacun pit. Standout intercepts included 26.98 grams per tonne gold and 48.4 g/t silver over 7.0 metres (6.8 metres estimated true width) and 21.79 g/t Au with 23.0 g/t Ag over 5.0 metres. The area is fully permitted for mining, and management indicated plans to begin development southwest of the Candelaria fault once the rainy season ends in Q4 2026.

"These drill results at the San Albino Project are among the most significant over the past six years of mining," said Akiba Leisman, CEO of Mako. "We intersected multiple 100 gram-meter intercepts over 450 meters of continuous strike. The current LMB pit remains open at depth, therefore if these results are proven economical, they have the potential to make the current LMB pit significantly larger."

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SOURCES:

[1] U.S. Department of War critical minerals designations and China antimony export restrictions effective late 2024.

[2] Rua Gold Inc. (May 5, 2026), "RUA GOLD Announces Positive PEA for the Auld Creek Gold-Antimony Project in Reefton, New Zealand."

[3] Nova Minerals Limited quarterly activities update (April 29, 2026).

[4] GoldMining Inc. (April 28, 2026), "GoldMining Announces Updated PEA Highlighting $1.0 Billion After-Tax NPV and 32% IRR at La Mina Project, Colombia."

[5] New Found Gold Corp. (May 4, 2026), drill program update — Queensway Gold Project AFZ Core.

[6] Mako Mining Corp. (May 4, 2026), "Mako Mining Intersects 26.98 g/t Au over 6.8 m Estimated True Width at Las Conchitas."

DISCLAIMER:

Nothing in this publication should be considered as personalized financial advice. We are not licensed under securities laws to address your particular financial situation. No communication by our employees to you should be deemed as personalized financial advice. Please consult a licensed financial advisor before making any investment decision. This is a paid advertisement and is neither an offer nor recommendation to buy or sell any security. We hold no investment licenses and are thus neither licensed nor qualified to provide investment advice. The content in this report or email is not provided to any individual with a view toward their individual circumstances. Equity Insider is a wholly-owned subsidiary of Market IQ Media Group, Inc. (MIQ). MIQ has been paid a fee for Rua Gold Inc. advertising and digital media. There may also be 3rd parties who may have shares of Rua Gold Inc. and may liquidate their shares which could have a negative effect on the price of the stock. This compensation constitutes a conflict of interest as to our ability to remain objective in our communication regarding the profiled company. Because of this conflict, individuals are strongly encouraged to not use this publication as the basis for any investment decision. The owner/operator of MIQ does not currently own shares of Rua Gold Inc. but reserves the right to buy and sell shares of Rua Gold Inc. at any time without any further notice commencing immediately and ongoing. We also expect further compensation as an ongoing digital media effort to increase visibility for the company, no further notice will be given, but let this disclaimer serve as notice that all material, including this article, has been approved by Rua Gold Inc.

Cautionary Note on Production Decision and PEA:

The PEA disclosed by Rua Gold Inc. for the Auld Creek Gold-Antimony Project is preliminary in nature; it includes Inferred Mineral Resources that are considered too speculative geologically to have the economic considerations applied to them that would enable them to be categorized as Mineral Reserves, and there is no certainty that the PEA will be realized. Mineral Resources that are not Mineral Reserves do not have demonstrated economic viability. Any decision to commence production at Auld Creek would not be based on a feasibility study of mineral reserves and therefore would involve increased uncertainty and a higher risk of economic and technical failure. Risks include, without limitation, variations in grade and recovery, unexpected geotechnical or metallurgical challenges, cost overruns, funding availability, and operational, regulatory, or permitting risks under New Zealand's Fast-Track Approvals framework or otherwise. This is a paid advertisement. While all information is believed to be reliable, it is not guaranteed by us to be accurate. Individuals should assume that all information contained in our newsletter is not trustworthy unless verified by their own independent research. Also, because events and circumstances frequently do not occur as expected, there will likely be differences between any predictions and actual results. Always consult a licensed investment professional before making any investment decision. Be extremely careful, investing in securities carries a high degree of risk; you may likely lose some or all of the investment.

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FAQ

What are the key economic metrics for Rua Gold's Auld Creek PEA (RUA) released May 5, 2026?

The PEA reports an after-tax NPV5% of US$42M, an after-tax IRR of 17%, and a 3.3-year payback. According to Rua Gold, initial capex is US$132.6M and the study models a 5.5-year mine life.

How does the Auld Creek PEA (RUA) treat gold and antimony recoveries and processing?

The study models a grind-and-flotation circuit with no cyanide and saleable concentrates for both metals. According to Rua Gold, recoveries are 95% for gold and 85% for antimony, lowering technical processing risk.

What drill program is Rua Gold running at Auld Creek and what is its objective (RUA)?

Rua Gold is conducting a 19,000-metre infill and step-out drill program currently underway. According to Rua Gold, the program targets Inferred-to-Indicated conversion and resource extension at depth and along strike ahead of a planned PFS.

When does Rua Gold expect to deliver a PFS for Auld Creek and what permitting path will it use (RUA)?

Rua Gold targets a PFS in Q4 2026 and plans to use New Zealand's Fast-Track Approvals permitting process. According to Rua Gold, permitting is advancing alongside metallurgical and geotechnical work.

What are the main investor risks from the Auld Creek PEA that shareholders should watch (RUA)?

Key risks include the short 5.5-year base-case mine life, the US$132.6M initial capex, and a resource base weighted toward Inferred material. According to Rua Gold, ongoing drilling aims to convert inferred tonnes to indicated.