We are committed to delivering sustainable value to our employees, stakeholders and the communities where we operate. Put simply, this means we focus on being a good neighbour and a good employer.

Our sustainability approach is built on four pillars:

Health & Safety

Health & Safety

Ensuring the health and safety of our employees is our number one priority.

Health & Safety

Health & Safety

We consider this a collective responsibility which we extend to our subcontractors and host communities, and we work diligently to instill a personal sense of responsibility in all our employees.

Our health and safety site teams are committed to identifying occupational health and safety hazards based on job safety analysis and comprehensive hazard and risk assessments, using widely established methodologies. Going beyond the regulatory requirements, our prevention programs further include awareness sessions, operational training and inspections and are supplemented by additional initiatives that promote our health and safety objectives and policy.

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Community

Community

Our interaction with all local communities and stakeholders is based on mutual respect and the creation of lasting partnerships and prosperity.

Community

Community

We recognize that local communities are at the heart of our operations’ livelihoods and are fundamental to our day to day work. We are committed to building strong relationships and proactively engaging in dialogue with local communities and institutions, as well as the government at a local, regional, and national level. Ultimately, we believe that the construction and operation of our mines can serve as a catalyst for further long-term regional development.

Where resettlement is necessary, we engage with affected communities early on to assess and mitigate the potential impact and work closely with them throughout the process to ensure their expectations and needs are not only met, but exceeded.

We facilitate community development programs with a special focus on education and training – in addition to our mining investments, we are launching and financing other sustainable income-generating projects which seek to build the momentum that will attract other investors and ultimately create local sustainable economic capital for the region.

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Employees

Employees

We believe that developing our people and culture is a competitive strength and critical to our current and future success.

Employees

Our Employees

We are committed to excellence and strive to develop our local talents with continuous training and evaluations with the goal of promoting our people internally.

Our long-term goal is to hire over 90% of our workforce directly from the country in which each of our operations is located, to support the development of our host country. We actively promote gender equality and empower our female talent with the objective of accelerating individual and collective sustainable development. Mining programs are implemented on our sites to widen access to employment opportunities in the mining sector.

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Environment

Environment

We manage our responsibilities at all operations to ensure the environment is protected today and preserved for future generations.

Environment

Environment

We are committed to sustainable development and recognize that the long-term success of our business is dependent upon good stewardship of the environment, both in terms of exploration and the extraction of mineral resources. We closely monitor and seek to continuously improve our performance in dangerous substance management, waste management, water usage, emissions, biodiversity and energy sources.

Our operations are compliant with the environmental regulations of the countries in which we operate, and our site environment teams continually strive to improve our processes and operations in pursuit of improved environmental performance and risk management.

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Mine Tailings Disclosure

As requested by The Church of England Pensions Board and the Council on Ethics Swedish National Pension Funds
Dated August 16, 2019

The TSFs conform to Australian (ANCOLD, 2012) and local guidelines. Inspections are done on a regular basis and include an annual audit by Knight Piésold. Based on the site inspection and review of monitoring data, Knight Piésold has not highlighted any material concerns in its most recent annual report.

As all of the TSFs are constructed using the Downstream method, Endeavour Mining do not plan to change the way the facilities are operated, though will continue to ensure that good water management practices are applied at all times to minimise the size of the supernatant pond on each TSF.

1. "TAILINGS DAM" NAME/IDENTIFIER AGBAOU
GOLD MINE
HOUNDÉ
GOLD MINE
ITY
GOLD MINE
2. Location 6° 7'19.04"N, 5°14'16.64"W 11°25'3.28"N, 3°32'31.40"W 6°52'36"N, 8°07'33"W
3. Ownership Owned and Operated Owned and Operated Owned and Operated
4. Status Active Active Active
5. Date of initial operation 27 January 2014 1 November 2017 8 April 2019
6. Is the Dam currently operated or closed as per currently approved design? Currently operated in accordance with Knight Piesold (“KP”) operating manual: PE301-00167-04 TSF and WSD Operating Manual Currently operated in accordance with Knight Piesold (“KP”) operating manual: PE401-00067_14 TSF, WSD and WHD Operating Manual Currently operated in accordance with Knight Piesold (“KP”) operating manual: PE301-00505_19 TSF Operating Manual.
7. Raising method Downstream Downstream Downstream
8. Current Maximum Height Wall height varies against natural topography.
Average current wall height 26m. Maximum 30m.
Wall height varies against natural topography.
Average current wall height 17m. Maximum 22m for both Cell 1 and 2.
Wall height varies against natural topography.
Average current wall height 16m. Maximum 20m.
9. Current Tailings Storage Impoundment Volume 14.5 Mt or 11.2 Mm3 (Slurry settled density 1.3 t/m3) 4.2 Mt or 3.3 Mm3 (Slurry settled density 1.3 t/m3) Nil as of March 2019
10. Planned Tailings Storage Impoundment Volume in 5 years time The mine is planned to be closed based on current reserves and TSF will be rehabilitated 18.5 Mt or 14.2 Mm3 (Slurry settled density 1.3 t/m3) 30.4 Mt or 23 Mm3 (Slurry settled density 1.3 t/m3)
11.Most recent Independent Expert Review Latest KP Audit undertaken August 2019.
Independent ICMI (Cyanide Code) audit undertaken August 2019
Latest KP Audit undertaken August 2019.
Independent ICMI (Cyanide Code) audit undertaken August 2019.
Latest KP Audit undertaken August 2019.
Independent ICMI (Cyanide Code) audit undertaken August 2019.
12. Do you have full and complete relevant engineering records including design, construction, operation, maintenance and/or closure. Yes: for Stages 1-5.
Stage 6/7 Construction completed in July 2019, report yet to be published.
Yes: for Stages 1-2.
Stage 3 Construction completed in July 2019, report yet to be published.
Yes: for Stage 1 which was completed as part of the CIL Project construction and commissioned in March 2019.
13. What is your hazard categorisation of this facility, based on consequence of failure? High C. (ANCOLD 2012) High C. (ANCOLD 2012) High C. (ANCOLD 2012)
14. What guideline do you follow for the classification system? Australian National Committee on Large Dams (ANCOLD 2012) Guidelines. Australian National Committee on Large Dams (ANCOLD 2012) Guidelines. Australian National Committee on Large Dams (ANCOLD 2012) Guidelines.
15. Has this facility, at any point in its history, failed to be confirmed or certified as stable, or experienced notable stability concerns, as identified by an independent engineer (even if later certified as stable by the same or a different firm)? No No No
16. Do you have internal/in house engineering specialist oversight of this facility? Or do you have external engineering support for this purpose? External - Knight Piesold - who have been involved with each dam since inception. External - Knight Piesold - who have been involved with each dam since inception. External - Knight Piesold - who have been involved with each dam since inception.
17. Has a formal analysis of the downstream impact on communities, ecosystems and critical infrastructure in the event of catastrophic failure been undertaken and to reflect final conditions? If so, when did this assessment take place? Yes. Undertaken July 2016. Yes. Undertaken 29 April 2019. Yes. Undertaken during 2017/2018 design period.
18. Is there a) a closure plan in place for this dam, and b) does it include long term monitoring? Closure plan concept developed for Asset Reclamation Obligation. Detailed Closure Plan to be completed in Q4 2019. Closure plan concept developed for Asset Reclamation Obligation. Detailed Closure Plan to be completed in Q4 2019. Closure plan concept developed for Asset Reclamation Obligation. Detailed Closure Plan to be completed in Q4 2019.
19. Have you, or do you plan to assess your tailings facilities against the impact of more regular extreme weather events as a result of climate change, e.g. over the next two years? Yes. Due to location within considerable high rainfall area (average >1.5m pa), TSF is monitored with respect to catchment and wet season runoff from surrounding landscape.
TSF is also monitored in the case of extreme weather conditions. Example, in the event of a 1 in 100 AEP wet season or 72 hr flood.
Yes. TSF is monitored in the case of extreme weather conditions. Example 1 in 100 AEP wet season or 72 hr flood. Yes. Due to location within considerable high rainfall area (average >1.5m pa), TSF is monitored with respect to catchment and wet season runoff from surrounding landscape.
TSF is also monitored in the case of extreme weather conditions. Example, in the event of a 1 in 100 AEP wet season or 72 hr flood.
20. Any other relevant information and supporting documentation.
Please state if you have omitted any other exposure to tailings facilities through any joint ventures you may have.
Dam has a clay lining though no HDPE liner.
There are monitoring bores around the dam and piezometers in the walls. There is zero evidence of any leakage.
Dam has a clay lining and a HDPE liner.
There are monitoring bores around the dam and piezometers in the walls.
TSF has been designed with Underdrainage and a Leakage Collection and Recovery System (LCRS). There is zero evidence of any leakage.
Dam has a clay lining and a HDPE liner.
There are monitoring bores around the dam and piezometers in the walls.
TSF has been designed with Underdrainage and a Leakage Collection and Recovery System (LCRS). There is zero evidence of any leakage.

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