Sustainability Report 2023/24

Adhering strictly to local government regulations, particularly the Hong Kong Water Pollution Control Ordinance, we ensure sewage is discharged responsibly. Residential and commercial effluent is meticulously discharged into government drainage systems, adhering to the prescribed guidelines. Moreover, we carefully treat our construction sewage, in line with applicable regulations, before its discharge. 34 managed properties signed the WSD Let’s Save 10L Water v2.0 Charter As part of the Enterprises Cherish Water Campaign, 65 of our managed properties signed the ECH 2 O water management charter Introduced water conservation measures at 46 managed properties ECH 2 O Car Park Cooling System High-efficiency Water Fixtures • Mikiki’s car park cooling system collects and reuses condensation water from air conditioning • Installed water flow controllers and automatic faucets in managed properties • Dual flush toilets are installed in construction sites Rainwater Collection On-site Wastewater Treatment • Adopted rainwater collection systems for irrigation at major malls • Sanfield collects rainwater and reuses onsite • Sanfield treats wastewater on site and reuses greywater for cleaning Regular Water Fixture Inspection Sensors Installation • Our subsidiary Superpower conducts pump inspections, carries out maintenance tasks, records data, and analyzes it using computers • We installed sensors for water taps to reduce water wastage Our water management achievements this year: Examples of our water-saving efforts at managed properties during the reporting year: Sun Hung Kai Properties Limited | Sustainability Report 2023/24 < 43 > Our Reporting Approach Message from the Sustainability Steering Committee Our Business Our Approach to Sustainability Value Created for the Environment Value Created for People Value Created for Customers Value Created for Supply Chain Value Created for Community Appendices