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Erdene Receives Tax Stabilization Certificate FOR Bayan Khundii GOLD Project

Permits & Approvals

TSX: ERD | MSE: ERDN

www.erdene.com 1 [email protected]

ERDENE RECEIVES TAX STABILIZATION CERTIFICATE FOR BAYAN

KHUNDII GOLD PROJECT

Press Release

Halifax, Nova Scotia

2022.01.10

Erdene Resource Development Corporation (TSX:ERD | MSE:ERDN) (“Erdene” or the

“Company”) is pleased to announce that it has received a Tax Stabilization Certificate for

the Bayan Khundii Gold Project from the Mongolian Government’s National Development

Agency (NDA), effective December 21, 2021.

Quotes from the Company

“We are very pleased to receive a Tax Stabilization Certificate which protects the Bayan

Khundii Gold Project’s economics from potential statutory tax or royalty increases,” said

Peter Akerley, Erdene’s President and CEO . “The Tax Stabilization Certificate

demonstrates the Government of Mongolia’s commitment to regulatory stability and

promotes foreign direct investment in projects like Bayan Khundii, which benefit local

stakeholders and Erdene’s shareholders, including thousands of Mongolian investors.”

Stabilization Certificate – Mongolia’s Investment Law

Mongolia’s Investment Law guarantees fair, stable and globally competitive tax treatment

for investors through Stabilization Certificates, which fix the taxation rates applicable to

qualifying investments at the lower of those in place at the date investment and those

currently enacted.

The Tax Stabilization Certificate fixes the statutory tax rates applicable to Erdene’s Bayan

Khundii Gold Project until December 21, 2030 , at no less favorable than those

incorporated into the Bankable Feasibility Study, including:

• Gold Royalties: 5% of net revenues

• Corporate Income Tax: 25% of taxable income

• Value-added Tax (“VAT”): 10% of all goods and services

• Customs Duty: 5% for all process equipment, materials and consumables sourced

internationally

The Tax Stabilization Certificate is valid for nine (9) years, and may be extended for up

to half of the initial term, if certain conditions are met.

Receipt of the Tax Stabilization Certificate was contingent upon the approval of Erdene’s

Detailed Environmental Assessment, which was announced on December 7, 2021 (press

release here).

TSX: ERD | MSE: ERDN

www.erdene.com 2 [email protected]

Khundii Gold District

Erdene’s deposits are in the Edren Terrane, within the Central Asian Orogenic Belt, host

to some of the world’s largest gold and copper-gold deposits. The Company has been the

leader in exploration in southwest Mongolia over the past decade and is responsible for

the discovery of the Khundii Gold District comprised of multiple high -grade gold and

gold/base metal prospects, two of which are being c onsidered for development: the

100%-owned Bayan Khundii and Altan Nar projects. Together, these deposits comprise

the Khundii Gold Project. The Company also has a 100% interest in the Khuvyn Khar

license which hosts the large Zuun Mod molybdenum-copper deposit and multiple copper

and molybdenum porphyry targets, 30 kilometers east of the Khundii gold district.

The Bayan Khundii Gold Resource 1 includes 521,000 ounces of 3.16 g/t gold Measured

and Indicated (“M&I”)² and 103,000 ounces of Inferred resources at 3.68 g/t gold. Within

the M&I resource, a proven and probable open -pit reserve totals 409,000 ounces at 3.7

g/t (see the full press release here), providing significant potential growth of reserves with

the development of the remaining M&I and Inferred resources1.

In July 2020, Erdene announced the results of an independent Feasibility Study for the

Bayan Khundii Gold Project (press release here). The Feasibility Study results include an

after-tax Net Present Value at a 5% discount rate and a US$1,400/oz gold price of

US$100 million and Internal Rate of Return (“IRR”) of 42%. The Feasibility Study

envisions an open -pit mine at Bayan Khundii, prod ucing an average of 63,500 oz gold

per year, for seven years, at a head grade of 3.71 g/t gold, utilizing a conventional carbon

in pulp processing plant. Production is expected to commence in early 2023 based on the

current project schedule.

About Erdene

Erdene Resource Development Corp. is a Canada-based resource company focused on

the acquisition, exploration, and development of precious and base metals in

underexplored and highly prospective Mongolia. The Company has interests in three

mining licenses and two exploration licenses in Southwest Mongolia, where exploration

success has led to the discovery and definition of the Khundii Gold District. Erdene

Resource Development Corp. is listed on the Toronto and the Mongolian stock exchanges.

Further information is available at www.erdene.com. Important information may be

disseminated exclusively via the website; investors should consult the site to access this

information.

Forward-Looking Statements

Certain information regarding Erdene contained herein may constitute forward -looking

statements within the meaning of applicable securities laws. Forward-looking statements

1 For details of the Mineral Resources see Erdene’s Q2/2021 results press release, dated August 16, 2021, and the

Company’s Q2 2021 MD&A, available on the Company’s website or SEDAR.

2 M&I: 171,000 ounces of 3.77 g/t gold Measured, and 349,700 ounces of 2.93 g/t gold Indicated

TSX: ERD | MSE: ERDN

www.erdene.com 3 [email protected]

may include estimates, plans, expectations, opinions, forecasts, projections, guidance, or

other statements that are not statements of fact. Although Erdene believes that the

expectations reflected in such forward-looking statements are reasonable, it can give no

assurance that such expectations will prove to have been correct. Erdene cautio ns that

actual performance will be affected by a number of factors, most of which are beyond its

control, and that future events and results may vary substantially from what Erdene

currently foresees. Factors that could cause actual results to differ mater ially from those

in forward-looking statements include the ability to obtain required third party approvals,

market prices, exploitation, and exploration results, continued availability of capital and

financing and general economic, market or business cond itions. The forward -looking

statements are expressly qualified in their entirety by this cautionary statement. The

information contained herein is stated as of the current date and is subject to change after

that date. The Company does not assume the oblig ation to revise or update these

forward-looking statements, except as may be required under applicable securities laws.

NO REGULATORY AUTHORITY HAS APPROVED OR DISAPPROVED THE

CONTENTS OF THIS RELEASE

Erdene Contact Information

Peter C. Akerley, President and CEO, or

Robert Jenkins, CFO

Phone: (902) 423-6419

Email: [email protected]

Twitter: https://twitter.com/ErdeneRes

Facebook: https://www.facebook.com/ErdeneResource

LinkedIn: https://www.linkedin.com/company/erdene-resource-development-corp-/