JUNIORMETRICS

Erdene Resource Development CorporationE

ERDCF·ERD·US$4.10 (CAD 5.81)·US$268.3M cap
Goldalso:Bayan Khundii Gold Mine + Dark Horse (Khundii Minerals District, Mongolia) Map

Erdene Resource Development Corporation (TSX: ERD) is a Canadian-headquartered gold and base-metals explorer/developer focused on the Khundii Minerals District in southwestern Mongolia. Its flagship Bayan Khundii Gold Mine achieved first gold pour in Q3 2025 and commercial production in Q1 2026, operated via Erdene Mongol LLC (jointly owned with Mongolian Mining Corporation). Q1 2026: 8,527 oz gold sold at an average US$4,872/oz, generating US$42M revenue; Q2 2026 output of 11,709 oz represented a 37% increase on Q1, with throughput reaching 94% of nameplate capacity (1,682 tpd). The mine plan includes the nearby high-grade Dark Horse satellite deposit, mined/processed starting Q3 2027 per the company's own 2025 disclosures. Beyond the operating mine, Erdene continues to explore Altan Nar (a separate polymetallic gold-silver-base-metals deposit ~16km north of Bayan Khundii) and Zuun Mod (a molybdenum-tungsten porphyry project), both earlier-stage and not the current production driver, as part of a stated multi-mine district strategy.

Notable vs. Peers

  • Jurisdiction risk score of 5/10 is meaningfully riskier than the peer average of 7.8/10.

Lifecycle Milestones

Grassroots
Resource Def.
PEA
PFS
Feasibility
Permitting
Construction
ProductionCurrent

Construction Milestones

5 of 5 reached
  1. Aug 2019 · Source
  2. Jan 2024 · Source
  3. Jan 2024 · Source
  4. Sep 2025 · Source
  5. Reached — date not disclosed · Source

Milestones are recorded only from a company's own dated disclosure. A milestone with no date shown is one we can confirm was reached but for which no date was disclosed — we don't estimate one. "Not yet reached" means exactly that, not that a date is missing. An "Expected" line likewise only ever reflects the company's own guidance (e.g. a study or permit decision targeted for a stated quarter) — most not-yet-reached milestones have none, and that absence means no such guidance has been disclosed, not that one is overdue.

Prior Ownership & Infrastructure
Bayan Khundii Gold Mine + Dark Horse (Khundii Minerals District, Mongolia)
Existing MillTailings FacilityRoad AccessGrid Power10/10 built out

Combined view across 2 projects. Figures below are only combined where the underlying basis genuinely matches -- see the notes under each.

Combined resource
992.4K oz Au
Sum of 2 of 2 projects with a disclosed figure
IRR, per project
  • 35.3%Bayan Khundii Gold Mine + Dark Horse (Khundii Minerals District, Mongolia)
Each project's own figure -- IRR is not additive across independent projects, so these are never combined
Mine life, per project
  • 6 yrsBayan Khundii Gold Mine + Dark Horse (Khundii Minerals District, Mongolia)
Each project's own figure -- independent mine lives are never added or averaged
Combined NPV, by discount-rate basis
$170.1M
At 5% discount rate -- Bayan Khundii Gold Mine + Dark Horse (Khundii Minerals District, Mongolia)
6/10
Weak track recordStrong track record
6/10 vs.
7/10
Thin runwayWell-capitalized
7/10 vs.
How this is calculated
5/10
Weaker depositStronger deposit
5/10 vs.
How this is calculated
7/10
Harder place to buildEasier place to build
7/10 vs.
What goes into it
  • Jurisdiction (40%)5/10

    The Bayan Khundii mine is in southwestern Mongolia's Khundii Minerals District, operated through Erdene Mongol LLC, jointly owned with Mongolian Mining Corporation. Mongolia has a mixed record with foreign mining investors (the long-running Oyu Tolgoi tax dispute, resolved in 2022), but a stable, government-supported local partner and a 30-year mining licence, extendable to 70 years, reduce the risk.

  • Infrastructure (40%)10/10

    A confirmed mill, confirmed road access, confirmed grid power, and a confirmed tailings facility at Bayan Khundii Gold Mine + Dark Horse (Khundii Minerals District, Mongolia).

  • Nearby producing mine (20%)Not yet researched

    No producing mine within 50 km in our reference list (nearest listed: Ying (Silvercorp Metals Inc.), 1529 km). That list doesn't cover every mining district yet, so a longer distance isn't scored as remote.

6.3/10
Weaker profileStronger profile
6.3/10 vs.
Price Chart
$5.78$6.03$4.75$3.35$3.95SepDecAprJulOct
Sep 19, 2025 – Oct 15, 2026
News
$4.10
+26.2%from low-47.7%from high
$3.25$7.83
$268.3M
Far belowFar above
$268.3M vs. $565.4M peer median
Price (USD - Local)
US$4.10 (CAD 5.81)
Cash Position (USD)
$19.9M
Far belowFar above
$19.9M vs. $94M peer median
Debt (USD)
$18.6K
Far aboveFar below
$18.6K vs. $6.5M peer median
$248.4M
Far belowFar above
$248.4M vs. $485.3M peer median
65.5M
Far aboveFar below
65.5M vs. 336.8M peer median
Jurisdiction
Mongolia
992,400 oz
Feeds Deposit Quality score
Measured394,000 oz
Indicated598,400 oz
Inferrednot scored198,500 oz
Total resource1,190,900 oz
Far belowFar above
992.4K oz vs. 1.3M oz peer median
Compares M&I only — Inferred isn't compared or scored.
$250.34/oz
M&I
Total resource (incl. Inferred)$208.61/oz
Peer median $66.65/oz
Far aboveFar below
$250.34/oz vs. $137.50/oz peer median
0.0688 oz/tCut-off: Bayan Khundii: 0.40 g/t Au, pit-constrained (effective 20 Apr 2023). Dark Horse: 0.35 g/t Au oxide/transition, 1.02 g/t Au fresh, pit-constrained (1 Nov 2022). Altan Nar: 0.7 g/t gold-equivalent block cut-off (7 May 2018)
Far belowFar above
0.0688 oz/t vs. 0.0379 oz/t peer median
See projects ↓
See projects ↓
See projects ↓
See projects ↓
1529 kmfrom Silvercorp Metals Inc.'s Ying
Outside typical bolt-on range

Acquisition Susceptibility

How this is calculated
3.3/10
Unlikely bolt-onFits the takeout profile

A relative ranking of how closely this company matches the profile of juniors that have actually been acquired — not a probability, and not a reason to buy. Acquisitions are rare: only a few dozen significant deals happen a year across a universe of thousands of juniors, so even a high score here describes a long shot. The strongest signal in the research, a producer that already owns part of the company, is scored from its disclosed strategic shareholders. A producer that is a joint-venture or earn-in partner on the project, rather than a shareholder, isn't captured yet.

How this score is built

  • Disclosed pending deal
    Sub-score: Not scored

    No pending acquisition or merger disclosed (checked)

    Not scored: having no deal in flight isn't held against a company.

    Weight 26.25%
  • Producer's strategic stake
    Sub-score: Not scored

    No producer holds a disclosed stake on file (holder register researched) See holders

    Not scored: most juniors that do get bought had no prior toehold, so a missing stake says little either way.

    Weight 25%
  • Distance to a producing mine
    Sub-score:
    0/10

    Nearest producing mine: Ying (Silvercorp Metals Inc.), 1529 km

    10 next to a producing mine, 8 at 20 km, 5 at 50 km, 0 beyond 200 km.

    Weight 22.5% · 46% here
  • Lifecycle stage
    Sub-score:
    5.5/10

    Stage: Production

    Feasibility and permitting score 10, where deals cluster, and production 5.5; earlier stages score less, down to 1 at grassroots.

    Weight 15% · 31% here
  • Jurisdiction
    Sub-score:
    5/10

    Mongolia: jurisdiction score 5/10

    Our jurisdiction score, used as is: higher means lower political and permitting risk.

    Weight 6.75% · 14% here
  • Commodity
    Sub-score:
    10/10

    Primary commodity: Gold

    Gold 10, copper 8, silver 5, nickel and uranium 4, others 2: most majors' deals are for gold.

    Weight 4.5% · 9% here

Weight is each input's share of the full score. “Here” is its share of this company's score: inputs that aren't scored are left out and the rest re-weighted, never counted as zero.

Overall Score Trend
+14.5% since 2026-09-19 · -1.6% from peak

Your Rankings

Community Sentiment
—SELLINGBUYING
CategoryCommunityYour Ranking
Overall— (0) 
Management— (0) 
Financials— (0) 
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Management Team

President, CEO and Director of Erdene Resource Development Corporation, re-elected at the 28 May 2026 AGM (99.61% for) and designated President/CEO by the board following the meeting.

Director of Erdene Resource Development Corporation, re-elected at the 28 May 2026 AGM (99.50% for). Member, Audit and Risk Management Committee.

Chairman and Director of Erdene Resource Development Corporation, re-elected at the 28 May 2026 AGM (99.12% for) and designated Chairman by the board following the meeting. Member, Audit and Risk Management Committee.

Director of Erdene Resource Development Corporation, re-elected at the 28 May 2026 AGM (99.57% for). Chair, Audit and Risk Management Committee.

Independent Non-Executive Chair and Director of Kincora Copper Limited; also a director of Erdene Resource Development Corporation. Experienced chairman, CEO and executive with full project development cycle experience across 4 countries and 3 continents. Former Rio Tinto Mongolia director.

CFO of Erdene Resource Development Corporation.

Corporate Secretary of Erdene Resource Development Corporation.

Chief Administrative Officer of Erdene Resource Development Corporation.

VP Exploration of Erdene Resource Development Corporation.

Chief Development Officer of Erdene Resource Development Corporation.

VP Business Development of Erdene Resource Development Corporation.

Insiders, Investors & Smart Money

Notable shareholders and insiders whose involvement is worth knowing about, plus what we're seeing from institutional/large-investor activity.

Smart money

No smart-money tracking (institutional/large-investor activity) for this miner yet — this is a planned feature, not live data.

No notable insiders tracked for this miner yet.

Reports, Presentations & Documents

Technical Report Takeaways

Erdene Resource Development operates the Bayan Khundii gold mine in the Khundii Minerals District of southwestern Mongolia through Erdene Mongol LLC, a 50:50 joint venture with Mongolian Mining Corporation. Bayan Khundii poured first gold on 15 September 2025 and reached commercial production in Q1 2026, and Q2 2026 output was 11,709 oz of gold, up 37% on Q1, with throughput at 94% of nameplate capacity. Measured and indicated resources at Bayan Khundii, the nearby Dark Horse satellite deposit and the Altan Nar deposit total 992,400 oz of gold (394,000 oz measured and 598,400 oz indicated) on a 100% basis, plus 198,500 oz inferred. The mine plan is based on a 513,700 oz proven and probable reserve from the August 2023 feasibility study, with Dark Horse scheduled to be mined from Q3 2027. Erdene also holds the Zuun Mod and Khuvyn Khar projects.