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Erdene Renews Local Cooperation Agreement and Provides Environmental, Social and Governance Update

Partnerships & JV

TSX: ERD | MSE: ERDN

www.erdene.com 1 [email protected]

ERDENE RENEWS LOCAL COOPERATION AGREEMENT AND

PROVIDES ENVIRONMENTAL, SOCIAL AND GOVERNANCE UPDATE

Press Release

Halifax, Nova Scotia

2022.10.18

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

“Company”) is pleased to announce the execution of an updated Local Co operation

Agreement (“LCA”) for its 100% owned Bayan Khundii Gold Deposit, within the Khundii

Minerals District (the “District”) in southwest Mongolia , and to provide an update on

Environmental, Social and Governance (“ESG”) initiatives.

Quotes from the Company

“For nearly two decades, Erdene has been the leading explorer and developer in

Bayankhongor Province. Our commitment to sharing benefits with local stakeholders has

been unwavering and increasingly evident as we move towards production in this exciting

new district,” said Peter Akerley, Erdene’s President and CE O. “The execution of the

renewed Local Cooperation Agreement will see Erdene contribute US$1.2M (4.1 billion

MNT) to local deve lopment projects over the next two years , in addition to the US$1M

(3.4 billion MNT) invested over the past twelve months. I would like to thank the people

of Bayankhongor Province for their support, particularly Governor Munkhsaikhan, who

has been instrumental in reaching these agreements.”

“The development of the Khundii Minerals District has the potential to positively transform

the economy of Southwestern Mongolia,” continued Mr. Akerley. “With the expansion of

rail and road networks, ideal conditions for renewable power generation, and the

identification of large-scale precious and base metals deposits, including Erdene’s Bayan

Khundii Gold, Altan Nar Polymetallic and Zuun Mod Copper-Molybdenum deposits, the

region shows the potential to become an industrial powerhouse for the nation.”

Local Cooperation Agreement and Community Development

Erdene is pleased to announce the renewal of its LCA, effective through December 31,

2024. According to Mongolia’s Mineral s Law, the LCA is a mandatory arrangement

between mineral license holders and local governments , including Provinc ial and Sub-

Provincial administrations. In addition to the Company, t he parties to the LCA are as

follows:

• Bayankhongor Province: Governor, Mr. D. Munkhsaikhan

• Bayan-Undur Sub-Province: Governor, Mr. B. Idermunkh

• Shinejinst Sub-Province: Governor, Mr. B. Bat-Erdene

Bayankhongor Province is the fourth largest in Mongolia , covering 116,000 square

kilometers. Erdene’s licenses are located within the sub -provinces of Bayan-Undur and

Shinejinst, with sub-provincial centres located 110km and 90km, respectively, from the

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Bayan Khundii Gold Project site . Bayankhongor is one of the least densely populated

provinces in Mongolia and the sub-provinces of Bayan-Undur and Shinejinst have a total

population of approximately 5,000 residents. No permanent dwellings are located in the

vicinity of the Bayan Khundii Project site; however, approximately a dozen families have

historically grazed livestock within 10km of the site.

In this context, healthcare and infrastructure are critical community needs, accentuated

by the vast distances between homes and services, and have been a focus of investment

under the LCA.

The renewed LCA builds upon the initial agreement in July 2021 and commits Erdene

and local governments to soci al development in Southwestern Mongolia . Erdene has

invested US$1M (3.4 billion MNT) on such projects to date and has committed a further

US$1.2M (4.1 billion MNT) under the renewed LCA. Approximately 60% of LCA funding

is directed to Provincial initiatives and the remaining 40% is directed to programs in the

Sub-Provinces. The LCA is managed by a non-profit organization, led by representatives

of Erdene and local constituents , that receives, screens, approves, and ultimately

evaluates the performance of initiatives financed under the LCA.

Given the impact of the COVID pandemic over the past two years, 32% of funding under

the previous LCA was directed to investments in public health. Erdene’s support enabled

the supply of testing and diagnostic equipment, the procurement of personal protective

equipment for medical personnel and volunteers, and access to treatments and

medicines to ensure safety and well-being. Additionally, the Company supported training

to improve mental health and promote fitness in the Province and Sub-Provinces.

The Company also contributed approximately US$450,000 for local infrastructure

development projects and local livelihoods support in the Province and Sub -Provinces

over the past year under the LCA. Infrastructure initiatives including rehabilitation of public

park facilities in the Province centre, installation of air quality improvement equipment on

the central heating station, and supply of emergency livestock feed.

The remaining 20% of recent LCA funding was directed towards youth development and

public education. A key project provided local schools with equipment and training to

support remote learning during the pandemic . Additionally, support for local

commemorative and sporting events helped stakeholders build relationships and

celebrate culture.

In addition to the LCA funding, our Company invests commercially in the local economy.

Pre-construction activities at the Bayan Khundii Project site included programs to employ

and train local residents, initially focused on construction and environmental roles. Over

100 residents completed employment readiness and/or vocational training, of whom

nearly 30 were employed at site in 2022. As the Bayan Khundii Gold Project advances

towards production, Erdene will continue prioritizing local employment.

The Bayan Khundii Gold Project is forec ast to be the largest taxpayer in Bayankhonger

Province upon reaching commercial production. Nationally, one -quarter of public

revenues are derived from the minerals sector.

TSX: ERD | MSE: ERDN

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Environment

The Company continues to implement key elements of the environmental management

measures detailed in its statutory Mongolian Detailed Environmental Impact Assessment

(“DEIA”) and independent Environmental and Social Impact Assessment (“ESIA”). A

copy of the ESIA is available in English and Mongolian languages on the Company’s

website.

Erdene seeks to minimize the environmental impacts of its operations by identifying

potential risks prior to carrying out business activities and mitigating unavoidable impacts.

Environmental management measures are reviewed on a continual basis and evolve over

the life of a given minerals project. Potential impacts are measu red across multiple

domains, including water, waste, landscape, energy, and others.

In Q3 2022, Erdene initiated a participatory environmental monitoring program, with an

initial focus on water resources. As a result , local residents are invited to accompany

Erdene personnel to check water levels at selected points on the project site and within

the surrounding Sub -Province territory. Additionally, the Company is com mitted to

improving water access for l ocal families by rehabilitat ing and improving existing water

sources.

Currently, waste management activities at the Project site are focused on the reduction

and recycling of refuse generated from the Company’s roughly 150-bed accommodation

camp. As part of the future mine development, as described in the Bayan Khundii Project

Feasibility Study , DEIA, and ESIA, Erdene plans to manage mineral waste in an

integrated waste facility (“IWF”). The IWF will contain filtered dry cake tailings within mine

waste rock, reducing environmental risks during operations and closure and significantly

reducing the Project’s total land disturbance. The detailed design for the IWF recently

received full regulatory approval, the first of its nature and scale in Mongolia.

Similarly, Erdene has continued to progress its technical studies and assessment of the

Project’s energy requirements. Approval of the Project’s statutory power study earlier this

year reinforced the potential benefits of the planned hybrid power generation, consisting

of conventional and renewable sources. Over 20% of the mine’s power is expected to

come from an on-site solar farm.

By their nature, mineral exploration and mining operations require temporary land

disturbances. Erdene’s operations follow procedures through which potential

disturbances are assessed and planned to minimize adverse impacts and maximize

potential benefits. Beyond such mitigation measures, Erdene carries out additional

activities to restore and protect biodiversity within and outside of the Project site.

The Company has completed its first growing season of expanded planting trials at its

purpose built, 2-ha vegetation area at the Bayan Khundii site . The first season tested a

range of plants, including seeding 10,000 trees, as part of the Company’s one million tree

commitment in support of the of the Mongolian President’s Billion Trees Program.

Off-site, Mongolia’s comprehensive environmental protection rules stipulate the design

and implementation of biodiversity off -sets for mining projects. Although mining at

Erdene’s Projects has not yet commenced, the Company has provided su pport to

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rehabilitate approximately 14 ha of land damaged by illegal gold mining within the Ikh

Bogd Special Reserve Area—an important provincial park located in a mountainous area

approximately 170km from the Bayan Khundii Project.

Taken together, the Company is on track to achiev e a significa ntly increased

environmental management program by the end of 2022 – a cornerstone commitment for

advancing the development of the Bayan Khundii Project.

Corporate Governance

As the Company’s operations grow, Erdene remains commi tted to a culture of acting

ethically and responsibly. Our team works to build relationships with stakeholders and

make positive contributions to the communities within which we operate.

All personnel, including directors of the Board and senior management, receive training

and commit annually to Erdene’s Code of Ethics and Business Conduct . In addition,

Erdene’s board maintains a Corporate Governance Committee comp rised of th ree

independent Directors : Anna Biolik (Canada’s First Ambassado r to Mongolia), Layton

Croft (a mining industry professional with 25 years of experience in Mongolia), and John

Byrne (Erdene’s longest standing independent board member). The Committee ensures

that an environment of honesty, integrity and transparency is in place across the

organization. The Company has recently signed onto the Integrity Declaration with the

Canadian Government, a further reinforcement of Erdene’s commitment to transparency.

Erdene has been recognized by the G overnment of Mongolia and Mongolian industry

associations as a valuable partner with leading performance for nearly two decades. Our

CEO was awarded the Order of the Polar Star, Mongolia's highest civilian honour, for his

contribution to the country's development , and the Company has received various

accolades for its contribution to the development of Mongolia’s mining industry.

Erdene is the first and currently only foreign listed company to cross-list on the Mongolian

Stock Exchange (“MSE”). Listing on the MSE has the combined effect of enhancing

access to the Company’s shares amongst Mongolian investors as well as increasing

transparency and disclosure about the company’s operations . Approximately 5,000

Mongolian investors own shares in the Company, and all of Erdene’s publi c disclosure

documents are made available in English and Mongolian languages.

Health and Safety

Erdene believes that working safely is both a corporate obligation and an individual

responsibility. During the 2022 field season, Erdene introduced an expanded hazard

identification program as part of pre -construction, resulting in a series of preventive

measures to ensure workplace safety. The Company remains LTI -free in 2022 to date.

The Company is establishing the essential Health and Safety management system s

ahead of future mine development.

TSX: ERD | MSE: ERDN

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Sustainability

ESG performance is a core part of Erdene’s commitment to create value for all

stakeholders through the discovery and development of world -class resource projects.

Building and maintaining relations with key stakeholder groups is paramount to th is

process. Since 2017, Erdene has collaborated with the University of British Columbia

(UBC) to facilitate research and analysis of the Company’s approach to stakeholder

engagement and local cooperation. Our unique industry-academia partnership with UBC

has resulted in multiple publications, including most recently in the September 2022 issue

of the peer -reviewed journal Business Strategy and Development . Copies and links for

the publications can be found on the UBC website.

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 license s a nd an exploration license 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 inform ation 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

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

other sta tements t hat 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 cautions 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 materially from th ose

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 conditions. The f orward-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 obligation to revi se 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

TSX: ERD | MSE: ERDN

www.erdene.com 6 [email protected]

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-/