Through the application of Geographic Information Systems (GIS), Agincourt Resources uses spatial data to support biodiversity management while ensuring that operational activities remain aligned with environmental conservation objectives.

Every day, Agincourt Resources’ Biodiversity team carries out a range of field monitoring activities, including vegetation surveys, wildlife observations, camera trap inspections, and the mapping of orangutan food trees. Data collected using GPS devices and the Avenza Maps application are subsequently processed through GIS software to produce informative digital maps that facilitate accurate analysis and decision-making.

Rather than serving merely as collections of geographical coordinates, these data are transformed into meaningful insights that illustrate wildlife distribution patterns, the locations of key tree species, rehabilitation areas, wildlife corridors, and environmentally sensitive zones requiring particular attention. This spatial information provides a scientific foundation for more informed environmental management decisions.

GIS also strengthens the landscape approach adopted by Agincourt Resources in its biodiversity conservation efforts. By helping maintain habitat connectivity, the technology supports safe and sustainable movement for wildlife, including the Tapanuli orangutan (Pongo tapanuliensis). In addition, GIS enables the integration of multiple sources of information, including biodiversity survey results, camera trap records, wildlife corridor patrols, and research conducted in collaboration with conservation partners.

For Agincourt Resources, GIS is far more than a mapping tool. It is an integral part of an adaptive, science-based approach to biodiversity management. By developing a comprehensive understanding of the Batang Toru ecosystem, the Company continues to maintain a balance between responsible mining operations and environmental stewardship, creating lasting benefits for nature and future generations.

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Agincourt Resources has implemented an integrated domestic waste management system through waste segregation, the recovery of reusable materials, and the processing of organic waste into compost. These efforts aim to reduce the amount of waste sent to final disposal facilities while supporting the implementation of circular economy principles within operational areas.

Waste Sortation Facility, a Centre for Domestic Waste Segregation

One of the facilities supporting domestic waste management at the Martabe Gold Mine is the Waste Sortation Facility (WSF). This facility serves as a centre for sorting waste based on its type, including organic waste, recyclable materials, and residual waste requiring further handling.

Through this segregation process, previously mixed waste can be managed according to its characteristics. Materials that still have value can be recovered and reused, while organic waste is processed into products with added value. The implementation of this waste segregation system is also supported by employee awareness in disposing of waste according to the designated categories. Individual involvement plays an important role in ensuring that waste management processes are carried out effectively.

Turning Organic Waste into Compost

In addition to waste segregation, Agincourt Resources also processes organic waste, particularly food waste such as fruit and vegetable scraps, into compost. Through the composting process, organic waste undergoes natural decomposition to produce compost that can be reused.

The utilisation of organic waste into compost provides environmental benefits by reducing the volume of waste sent to final disposal facilities. The compost produced is also used to support greening activities and environmental maintenance around the Martabe Gold Mine operational areas.

Supporting the Implementation of a Circular Economy

Domestic waste management through WSF and compost processing forms part of the implementation of circular economy principles at the Martabe Gold Mine. Through the reduce, reuse, and recycle (3R) approach, Agincourt Resources optimises the utilisation of materials so they do not immediately become waste but can continue to provide additional benefits.

This practice demonstrates that waste management is not solely focused on final disposal but also on how materials can be managed and utilised in a more responsible manner.

Together, Maintaining the Sustainability of the Martabe Gold Mine

Effective waste management requires the involvement of all parties within the operational area. Through the habit of segregating waste, reducing the use of single-use materials, and supporting the established waste management system, everyone can contribute to protecting the environment.

With the implementation of ongoing domestic waste management practices, Agincourt Resources continues to demonstrate its commitment to conducting mining operations that are productive, responsible, and aligned with sustainability principles.

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As part of its commitment to community development, Agincourt Resources continues to support local entrepreneurs through its MSME development programme, helping them enhance their business management capabilities and increase the value of their products.

One of these initiatives was realised through the participation of Agincourt Resources’ supported MSMEs in UMKM Bisa 2026, an MSME capacity-building programme organised by Yayasan Astra–Yayasan Dharma Bhakti Astra (YDBA). The programme aims to improve the competence and competitiveness of MSMEs through a structured series of business development activities.

This year, 11 culinary MSMEs supported by Agincourt Resources took part in the UMKM Bisa 2026 programme. From a total of 270 participating MSMEs, 75 top-performing businesses were selected to attend the Business Masterclass in North Jakarta, where they received training on Branding Strategy and Packaging to strengthen their brand identity and enhance product value.

The Business Masterclass was held from 14th–17th July 2026 at the Yayasan Astra–Yayasan Dharma Bhakti Astra Office, while the Awarding Ceremony took place at the Ibis Styles Jakarta Sunter Ballroom. Three culinary MSMEs supported by Agincourt Resources—Eza Cake, Mak Bastian, and Bunda 2R—participated in the programme.

Through sessions on branding strategy and packaging, participants gained valuable insights into strengthening their product identity, increasing market value, and developing sustainable businesses. The programme concluded with the UMKM Bisa 2026 Awarding Ceremony, recognising 10 outstanding MSMEs for their growth, innovation, and commitment to business development.

One of Agincourt Resources’ supported MSMEs, Eza Cake, owned by Dian Anggraini Siregar, was recognised as one of the programme’s Top 10 Outstanding MSMEs.

Reflecting on her experience, Dian shared that participating in UMKM Bisa 2026 broadened her understanding that building a successful business is not only about selling products, but also about developing a strong brand, continuously improving quality, and embracing lifelong learning. She expressed her hope that Eza Cake will continue to grow with an even stronger brand while creating broader benefits for the community.

Through its collaboration with Yayasan Astra–YDBA, Agincourt Resources remains committed to empowering local MSMEs, enabling them to become more independent, competitive, and capable of delivering sustainable value to the communities they serve.

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Blue carbon refers to the carbon absorbed and stored by coastal and marine ecosystems, such as mangrove forests, seagrass meadows and tidal marshes. Unlike carbon stored in terrestrial forests, known as green carbon, blue carbon is primarily stored within underwater sediments. These conditions enable carbon to remain locked away for hundreds to thousands of years, making coastal ecosystems among the world’s most effective natural carbon sinks and valuable allies in climate change mitigation.

Mangroves: A Prime Example of a Blue Carbon Ecosystem

Among the various blue carbon ecosystems, mangrove forests are the most widely recognised. Mangroves thrive in coastal areas influenced by tidal movements and possess robust root systems that enable them to adapt to highly saline environments.

Through photosynthesis, mangroves absorb carbon dioxide (CO₂) from the atmosphere to support their growth. This carbon is stored not only in their trunks, leaves and roots, but also accumulates within the sediments beneath the mangrove stands. As leaves, branches and roots naturally die and fall, the organic material becomes buried in oxygen-poor sediments. Because decomposition occurs very slowly under these conditions, the carbon remains locked away for hundreds, or even thousands, of years, provided the mangrove ecosystem remains undisturbed.

In addition to mangroves, seagrass meadows and tidal marshes also play a vital role in storing blue carbon. Together, these three ecosystems naturally absorb carbon while maintaining the ecological balance of coastal environments.

Thanks to this natural process, coastal ecosystems can capture and store carbon at rates of up to ten times faster per hectare than tropical terrestrial forests.

The benefits of blue carbon extend far beyond reducing greenhouse gas emissions.

Mangrove forests serve as natural coastal defences, protecting shorelines from erosion, dissipating wave energy, reducing the impacts of storms and strengthening resilience against sea level rise. Meanwhile, seagrass meadows act as natural filters by trapping sediments and pollutants, helping to maintain water quality and support the health of surrounding marine ecosystems.

Coastal ecosystems also provide vital habitats and nursery grounds for a wide range of marine life, including fish, crabs, shellfish, sea turtles, seabirds and many other species. Their presence supports sustainable fisheries, conserves biodiversity and creates opportunities for ecotourism that generate long-term economic benefits for coastal communities.

As part of its commitment to sustainable environmental stewardship, Agincourt Resources has been undertaking mangrove ecosystem rehabilitation in the coastal area of Pandan Bay, Central Tapanuli Regency, since 2024.

The programme has restored 29 hectares of coastal habitat through the planting of more than 90,000 mangrove seedlings. In addition, the company has released tens of thousands of young shellfish and crabs as part of wider efforts to restore the ecological functions of the coastal ecosystem.

Based on current estimates, the rehabilitated area has the potential to store approximately 2,044 tonnes of carbon (C), equivalent to around 7,503 tonnes of carbon dioxide (CO₂). This initiative not only contributes to greenhouse gas emission reduction targets but also strengthens coastal ecosystem protection, conserves biodiversity and delivers lasting environmental and socio-economic benefits for local communities.

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As part of its commitment to supporting sustainable development in its operational areas, Agincourt Resources, through its Pengembangan dan Permberdayaan Masyarakat (PPM) programme, provided support for the construction of the Hutaraja Integrated Healthcare Service Post (Posyandu) building in Hutaraja Urban Village.

The inauguration and handover of the building construction assistance were conducted on 10 July 2026 through the signing of the Handover Minutes (BAST). The event was attended by Agincourt Resources Community Development Manager, Rohani Simbolon, together with the Community Relations Department (CRD) team, as well as representatives from the Muara Batang Toru District Government, Hutaraja Urban Village Government, village midwives, Family Welfare Empowerment (PKK) cadres, and the Hutaraja Posyandu Building construction committee.

The establishment of this new facility marks a tangible step towards improving community access to healthcare services that are more comfortable, safe, and well-organised. Previously, Posyandu activities in Hutaraja Urban Village were carried out in simple settings, such as residents’ terraces or garages. With the availability of a dedicated Posyandu building, the community now has a more adequate space to support various public health activities.

The Head of Hutaraja Urban Village, together with the local community, expressed their appreciation and gratitude for the support provided through the 2025 PPM programme, which contributed to the realisation of this facility. The Hutaraja Posyandu Building is expected to enable more organised healthcare services and deliver broader benefits for the community.

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The award acknowledges Agincourt Resources’ role in providing internship opportunities and recruiting PEPB graduates. This contribution has helped enhance students’ competencies while strengthening the connection between vocational education and industry, ensuring graduates are better prepared to enter the workforce.

The award was presented during the 2026 Mining Human Resources (HR) Forum, held under the theme Link and Match Campus–Industry: Competent, Work-Ready, PEPB Can!. The forum served as a platform for collaboration between vocational education institutions and stakeholders in the mining industry to align workforce requirements with graduates’ competencies.

The event was attended by the Head of the Human Resources Development Agency of the Ministry of Energy and Mineral Resources (BPSDM MEMR), Prahoro Yulianto Nurtjahyo, PhD, the Director General of Mineral and Coal, Dr Ing Tri Winarno, S.T., M.T., as well as approximately 80 representatives from mineral and coal mining companies, mineral processing and refining companies, and mining services companies. Agincourt Resources participated as one of the industry’s partners committed to supporting the advancement of vocational education in Indonesia.

During the forum, PEPB introduced its prospective graduates—who have completed competency-based training and obtained professional certifications—to industry representatives, while further strengthening collaboration between academia and industry. PEPB also shared updates on the development of its new campus in the Pasteur area of Bandung as part of its ongoing efforts to enhance the quality of vocational education in the energy and mining sectors.

As a vocational higher education institution under the Human Resources Development Agency of the Ministry of Energy and Mineral Resources (BPSDM MEMR), PEPB offers three-year diploma (Diploma III) programmes in Geological Technology, Mining Technology, and Metallurgical Technology. Ahead of the graduation of its fifth cohort in 2026, PEPB continues to strengthen partnerships with industry to ensure its graduates possess competencies that meet evolving industry needs.

Through sustained collaboration between educational institutions and industry, Agincourt Resources hopes to contribute to the development of more highly skilled professionals who are ready to support the continued advancement of Indonesia’s mining sector.

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The MCK facility was built to provide proper sanitation and ablution facilities for the Subululubidya Mosque. Previously, the mosque’s toilets were no longer considered fit for use as they lacked a septic tank, causing wastewater to flow directly into a nearby drainage channel. The existing structure had also deteriorated, while the available clean water source had begun to show signs of contamination. Limited financial resources within the mosque’s management had further delayed the construction work.

Although the project was disrupted by the flash floods of 25 November 2025, construction was eventually completed through the collaboration of all parties involved. In addition to the new MCK facility, the mosque’s ablution area was renovated to provide a safer and more comfortable environment for worshippers.

The Government and residents of Huta Godang Village expressed their appreciation for the support provided. The improved sanitation facilities are expected to enhance comfort for worshippers, promote better public health and contribute to the village’s ongoing post-disaster recovery efforts.

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Damai Mendrofa, Chair of the Yamantab Waste Bank, stated that the achievement of producing 10,000 ecobricks is tangible evidence that community habits can be changed gradually. This milestone represents the first achievement of the “From the Heart for the Earth” Ecobrick Program, launched by PT Agincourt Resources (PTAR) in 2025.

“Previously, household plastic waste was simply discarded. Now, community members collect it, sort it, and pack it into ecobricks. The result is something we can all see today: a park that can be enjoyed by the community,” said Damai during the official opening of the Ecobrick Park in Batang Toru, South Tapanuli, on Tuesday (June 30, 2026).

Beyond serving as the foundation of the park, thousands of the ecobricks have also been utilized as signage for Martabe Cocoa and Martabe Farm—PT Agincourt Resources’ local economic development initiatives located near Sopo Daganak.

This plastic waste collection and ecobrick production initiative involved the Yamantab Waste Bank and four other local waste banks in Batang Toru: Gocap, Satahi, Naposo Hamubaon, and Rap Hita Paias.

Katarina Siburian Hardono, Senior Manager Corporate Communications of PT Agincourt Resources, described the Ecobrick Park as a symbol of the circular economy principles that the company seeks to build together with local communities. Local waste banks have been actively involved in the initiative, with three of them are currently partners in the company’s community development program.

“The Ecobrick Park is more than just the result of plastic waste management; it is proof that meaningful change can begin with simple actions taken collectively. For us, the success of this program is measured not only by the number of ecobricks collected, but also by the growing awareness and habits within the community to manage waste independently and sustainably,” she said.

Communities Take Part in Environmental Monitoring

In addition to engaging communities in environmental conservation efforts, PTAR also encourages community participation in environmental monitoring. Within the conservation areas, a 14-member SMART Patrol team—some of whom are former hunters and illegal loggers—conducts daily patrols in the Aek Pahu and Ulu Ala Conservation Areas.

One of the team members, Parman Sitanggang from Wek 4 Village, has been working to protect the conservation area for nearly two years. He used to collect timber and hunt in the same area. During patrols, he records everything he observes in the field, including wildlife, signs of illegal logging, and hunting activities.

“If we find wildlife, logging activities, or signs of encroachment, we simply take a photo and record it in the application along with its coordinates,” he said.

On the other hand, monitoring the quality of treated water from the Martabe Gold Mine that is discharged into the Batang Toru River also involves representatives from communities in villages surrounding the mining area. One of them is Ali Marhot Siregar. A resident of Hapesong Baru Village, he has been part of the integrated water quality monitoring team since 2024.

“Water samples are collected from several monitoring points every month and then tested by an independent laboratory in Jakarta. The results are announced to the public every three months,” he said.

In addition to the opening of Ecobrick Park, PT Agincourt Resources (PTAR) marked World Environment Day 2026 by organizing a Mangrove Conservation Clean-Up Action and an Artificial Coral Reef Construction Training program in Central Tapanuli, involving both community members and employees.

END

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Since its launch from July to December 2025, the programme successfully collected 10,000 ecobrick bottles, equivalent to reducing approximately 2.5 tonnes of plastic waste from the environment. Thousands of these bottles have now been transformed into the Ecobrick Park at Sopo Daganak, as well as visual installations at Martabe Cocoa and Martabe Farm, serving not only as landscape features but also as educational spaces that remind people that plastic waste still holds value when managed through creativity and collective action.

The success of this programme reflects the active involvement of various stakeholders, including schools, waste banks, local government, media, and communities working together to build new habits in responsible waste management.

In his remarks, Senior Manager Processing Agincourt Resources, Altur Tambun, emphasised that the programme’s greatest achievement lies not merely in the number of ecobricks collected, but in the growing shared awareness that protecting the environment must begin with consistent everyday action.

This same spirit is reflected in the inspiring journey of SMP Negeri 1 Batang Toru, which successfully earned recognition as an Adiwiyata School through various initiatives aimed at building a strong culture of environmental responsibility within the school community. One of the practices continuously developed is the use of ecobricks as part of waste management education while instilling environmental awareness from an early age.

Another inspiring story comes from Sri Wahyuni, a community member who has demonstrated that waste management can also create new economic opportunities. Through her creativity, discarded packaging waste that once had no value has been transformed into products such as bags that carry both functional and economic value for the community.

Through collaboration involving communities, educational institutions, waste management groups, and the Company, Agincourt Resources continues to encourage real action aligned with the spirit of World Environment Day 2026 under the theme It’s Time to Work for Climate. This programme demonstrates that protecting the planet does not always begin with grand actions, but rather with simple habits carried out together and continuously nurtured into sustainable change for future generations.

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In Indonesia, the implementation of Good Mining Practice is not merely an operational standard, but a mandatory requirement regulated under Law Number 3 of 2020 and further strengthened through Ministerial Decree of the Ministry of Energy and Mineral Resources Number 1827 K/30/MEM/2018 as a technical guideline for conducting responsible mining activities.

In practice, Good Mining Practice begins at the mine planning stage. Companies cannot focus solely on extracting high-grade ore or cherry picking, but must ensure that mining plans are developed comprehensively, covering exploration, operations, and mine closure while referring to valid data and applicable technical standards.

Safety remains one of the highest priorities in the implementation of GMP. All operational activities must be supported by the implementation of the Mining Safety Management System (SMKP), effective risk control measures, and ensuring that every worker possesses competencies aligned with their respective roles and responsibilities.

From an environmental perspective, GMP ensures that mined-out areas are not simply left unmanaged until the end of mine life. Top soil separated during the early stages of operations is carefully stored to preserve its quality, before being reused during reclamation and revegetation processes so that land can be progressively restored. The management of acid mine drainage and tailings is also carried out through systems and technologies specifically designed to minimise potential impacts on the surrounding environment.

Beyond technical and environmental aspects, Good Mining Practice also places communities as an essential part of sustainable operations. Through Community Development and Empowerment Programmes mining companies must ensure their presence creates sustainable economic benefits, ranging from prioritising local employment opportunities, empowering local SMEs and vendors, to developing infrastructure that meets community needs. This approach forms an important part of maintaining the social licence to operate, or public trust towards company operations.

Although the implementation of GMP faces various challenges, including investment in environmentally friendly technology, complex geographical conditions, and pressure to meet production targets, these principles remain a critical foundation in ensuring mining operations are carried out responsibly and sustainably.

Through the consistent implementation of Good Mining Practice, the mining industry continues to demonstrate that responsible operations do not simply generate economic value, but also leave behind well-managed environments, stronger and more independent communities, and sustainable benefits for future generations.

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