Water Stewardship

Performance Against Goal

Performance Summary 2022

Total Water Withdrawal

Total Water Withdrawal by Source

Water Withdrawal Intensity per Revenue Unit

Amount of Treated Wastewater

Quality of Treated Wastewater

Chemical Oxygen Demand : COD

Biochemical Oxygen Demand : BOD

Total dissolved solids : TDS

Total Suspended Solid : TSS

Remark: The amount of treated wastewater was measured according to the law and its scope was limited to CPRAM Co., Ltd. and CP ALL distribution centers

Proportion of Water Withdrawal from the Company’s Operation Sites with Water Stress

Sustainable Water Resource Management

Water, as a main resource vital towards living beings and businesses, continues to receive Company focus on terms of efficient water resource management throughout the value chain, water scarcity risks and impact mitigation, through the following projects:

Assessment of water risks throughout the supply chain

The nationwide water supply system, which is considered the main water source used by the Company, is required in general operations inclusive of washing, cleaning and production. Groundwater resources are also tapped in to for some CPRAM Co., Ltd. and Siam Makro Public Co., Ltd. operating areas. As a measure to prevent and reduce water shortage risks in communities surrounding business operations and potential ensuing affects toward business operations, the Company has implemented efficient water management and passed water stress assessments utilizing the World Resource Institute’s Aqueduct tool. The mentioned assessment pertains to all business areas with results presenting 19.02% of operating areas subject to Extremely High risk and 17.11% of operating areas subject to High risk as depicted in the image.

In response, the Company has planned to mitigate these risks through the appointment of the Water Management Committee tasked with establishing a water consumption reduction plan and implementing projects to support the reduction of water consumption as appropriate.

Water Stress

Additionally, the Company has conducted an evaluation on the risk of water scarcity for 119 Critical Tier 1 Suppliers using the Aqueduct tool. The result of the assessment revealed that 40 Critical Tier 1 Suppliers were in areas with Extremely High and High risks. In sequence to the assessment, the Company has continuously monitored and reassessed the risks to these suppliers. Concurrently, the Company has partnered with its suppliers to mitigate water-related risks through suitable and efficient means according to the law, such as collaborating with relevant agencies and communities to establish plans for mitigating risks related to water and reusing water. The collaboration extended to the restoration and development of water sources in communities to prevent any conflict with the communities. At present, the project has gained cooperation from Critical Tier 1 suppliers and 100% of the suppliers have continuously implemented projects to mitigate the risks and impact related to water.

Water Conservation Program

The Company is cognizant of wise water resource usage, efficient water management, and wastewater management for water reuse and reduction of wastewater discharge into public areas through a variety of projects including the following:

Project to reuse water from air conditioning systems at the Suvarnabhumi Distribution Center

Installation of wastewater tanks to drain water from air conditioner discharge pipes in canteens and reuse of stated water for watering plants, a measure which can save over 40.15 cubic meters of water per year.

Project to use treated wastewater in watering plants at the Bang Bua Thong Distribution Center and Buriram Distribution Center

Used standard treated wastewater to water plants via automatic sprinkler watering system within the distribution center, a measure to reduce groundwater consumption by 216 cubic meters per day.

Zero Wastewater Discharge (ต่อเนื่อง)

Efficiency Water Consumption Project by CPRAM Co., Ltd. Lat Lum Kaeo

Drawing water from underground water sources instead of surface water sources entails the pumping of 500 meter depth groundwater, with temperatures of up to 50 degrees Celsius, to cleanse production process equipment. This measure reduces electricity for water heating in addition to enabling wastewater treatment and water reuse from production processes. The treated water, which is of better quality than required by law, is completely reused in operations comprising cooling towersystems, plant watering, floor cleansing, etc.

Impacts and Benefits

23628  m3

Reduced the consumption of ground water in production processes

352510  kWh per year

Reduced electricity consumption

674836  m3

Reused of wastewater

Project to share clean water with farmers by CPRAM Co., Ltd., Lamphun Plant

The Company promotes water circulation for reuse as a measure for off-season cultivation upon rice farming water shortages among communities. Through requesting permission for quality assured and treated wastewater discharge from the production process in factories, the Ministry of Industry announced farmers within the factory vicinity with farms have benefited by the reduction of over 100,000 cubic meters per year of local water withdrawal.

Save Water, Love the Future Project by Siam Makro Public Company Limited

The installation of wastewater treatment systems to reuse wastewater for watering plants through automated systems within the distribution center has successfully assisted the “Rak Nam, Love the Future” project continuation since 2018 through groundwater usage reduction and cost savings. In 2022, a total of 72 distribution centers participated in the project, thus reducing tap water usage by 93,960-104,000 cubic meters per year.

Underground Water Bank Project by Siam Makro Public Company Limited

The Company aims to raise awareness of water scarcity with the community through introducing His Majesty King Rama IX's initiative to develop water holding areas for communities to mitigate drought effects. The Company has diverted treated water for collection and use when necessary and transferred excess water to allocated areas to replenish moisture, a measure which benefits crop cultivation. The project can reduce water scarcity impact and create good community relationships. The Company has initiated the mentioned pilot project at the Makro Distribution Center, Yasothon stores, since 2020 and plans for initiative expansion to other stores.

Impacts and Benefits

36  m3 per day

Treatment of over

16  m3 per day

Diversion to underground water banks at over

77760  Baht per year

Reduced expenses by over

720  hours per year

Reduced manual labor hours required for irrigation

Other Information

Performance Data of Water Stewardship

GRI Standared Required Data Unit 2019 2020 2021 2022
303-3 (a) Total water withdrawal Million m3 9.35 16.68 15.86 18.79
  - Groundwater Million m3 1.35 1.48 1.39 1.40
  - Third-Party Water Million m3 8.00 15.20 14.47 17.39
    - Surface municipal water Million m3 N/A 15.06 14.26 17.23
    - Groundwater municipal water Million m3 N/A 0.14 0.21 0.16
303-3 (b) Total water withdrawal from water stress area Million m3 3.67 4.87 4.58 8.52
  - Groundwater Million m3 1.29 1.32 1.23 1.27
  - Third-Party Water Million m3 2.38 3.55 3.35 7.24
    - Surface municipal water Million m3 N/A 3.48 3.23 7.14
    - Groundwater municipal water Million m3 N/A 0.07 0.12 0.10
303-3 (b) Total freshwater withdrawal Million m3 9.34 16.66 15.83 18.79
  - Freshwater (≤1,000 mg/L Total Dissolved Solids) Million m3 9.35 16.66 15.83 18.79
  - Reused and recycled water Million m3 0.51 0.75 0.41 0.39
  Water withdrawal intensity per revenue unit Million m3 per million Baht 16.38 30.52 27.00 22.04
303-4 (b) 2018 Treated wastewater (TDS ≤1,000 mg/L) Million m3 N/A N/A 10.42 11.41
  - COD mg/L N/A N/A 5.83 0.57
kg N/A N/A 60,793.06 6,546.79
  - BOD mg/L N/A N/A 2.17 0.03
kg N/A N/A 22,578.32 356.91
  - Total dissolved solids (TDS) mg/L N/A N/A 16.24 7.62
kg N/A N/A 169,224.54 86,887.51
303-4 (b) 2018 Treated wastewater (TDS> 1,000 mg/L) Million m3 N/A N/A N/A 11,569.00
  - COD mg/L N/A N/A N/A 0
kg N/A N/A N/A 0
  - BOD mg/L N/A N/A N/A 0
kg N/A N/A N/A 0
  - Total dissolved solids (TDS) mg/L N/A N/A N/A 0
kg N/A N/A N/A 0
303-4 (b) 2018 Treated wastewater send 3rd party (TDS≤ 1,000 mg/L) Million m3 N/A N/A N/A 0.25
  - COD mg/L N/A N/A N/A 50.76
kg N/A N/A N/A 12,622.52
  - BOD mg/L N/A N/A N/A 10.13
kg N/A N/A N/A 2,519.93
  - Total dissolved solids (TDS) mg/L N/A N/A N/A 577.20
kg N/A N/A N/A 143,541.21
303-4 (b) 2018 Treated wastewater send 3rd party (TDS> 1,000 mg/L) Million m3 N/A N/A N/A 0.36
  - COD mg/L N/A N/A N/A 422.85
kg N/A N/A N/A 153,905.29
  - BOD mg/L N/A N/A N/A 42.12
kg N/A N/A N/A 15,330.82
  - Total dissolved solids (TDS) mg/L N/A N/A N/A 1,211.08
kg N/A N/A N/A 440,835.69

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