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Appendix B: Business Highlights (1/9) Company Proprietary Technologies KEY ENVIRONMENTAL CONCERNS ? Sludge is a by-product of wastewater treatment process Traditional sludge treatment-to-landfill disposal method leads to secondary pollution Huge shortage of landfill sites in China and globally In China, >60 million MT of sludge was produced in 2020* Rising wastewater discharge standards in China Our Treatment-as-a-Service Sludge Treatment Technologies Al Water Technologies 9 patented technologies to breakdown sludge treatment particles This reduces the total sludge treatment mass Optimum Heat & Pressure Dehydration 历史数据运行参数水质数据拟合比对 | 清洗输出算法模型前馈输出断面数据智能取样检测在线仪表系统数据仿真校准虚拟仪表后馈优化全流程可视全断面可控全参数可预测稳定达标排放后馈优化智能专家诊断智能优化操作指令结果输出优化运营预测结果推荐参数实时调整运行操作节能减耗和碳减排 Untreated Sludge Lysis Solution (>80% H2O) Treated Sludge (<40% H2O) о Treated Sludge can be incinerated to generate energy By-product of treated sludge treatment can be recycled to produce building materials etc. Through the application of the technologies: Average accuracy of water quality prediction will be over 90% Energy consumption will be reduced by 10- 35%, and drug consumption is reduced by 10- 70% Overall process visibility and precision management Source: Intelligence Research Company (2019), 污水处理行业, 市场运营态势及投资前景评估报告, Special report on AlWater technology 智能水务技术专项报告(2022) 16

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