40 Environmental, Social and Governance Report 2023 PILLAR 2: PROPERTY PORTFOLIO Sustainable & Efficient Operations The Group has a strategy to enhance the overall environmental performance of all our buildings across our entire portfolio, working continuously to improve (i) energy efficiency to reduce electricity and fuel consumption, (ii) emissions reduction to reduce our carbon footprint; (iii) water efficiency to reduce water consumption, including for our tenants; (iv) waste management to conserve natural resources, (v) adoption of sustainable materials for circularity; (vi) durability of building design and features. Measures include: Energy & Greenhouse Gas Emissions Management Environmental Resource (Water & Waste) Management Sustainable Materials Built to Last • Reducing energy load of the buildings through green walls, improved insulation of exterior walls, and thermal insulation of glass façade via solar shielding • Enhancing building equipment such as HVAC systems, as part of continual asset enhancement initiatives • Switching to energy efficient applicances and equipment as part of continual asset enhancement initiatives • Utilising renewable energy sources available on-site, such as solar/photovoltaic, biofuels, geothermal, hydro, or wind • Opting for renewable grids with low carbon emissions, if accessible • Adopting smart building technologies such as advanced building management systems, softwares and sensors where feasible • Enabling thermal temperature customisation in at least 50% of individual occupant spaces • Implementing lighting control functions in at least 90% of individual occupant spaces • Replacing conventional lighting with energy-saving alternatives, such as LEDs • Incorporating natural sunlight to illuminate building spaces, achieving at least 75% lighting in regularly occupied floor areas) • Utilising self-contained hot water systems that achieve an efficiency of 85% or higher • Managing cooling tower water efficiently to optimise recirculation cycles and minimise water usage • Implementing intelligent subsurface irrigation systems with soil moisture sensors that provide controlled drip irrigation for native plant species • Obtaining green ratings for our amenities such as the Water Sense label (US EPA) and LEEDv4 (fixture and fitting code requirements) • Using recycled water like treated wastewater and stormwater for nonpotable purposes • Providing appropriate on-site waste collection and segregation facilities or infrastructure • Ensuring proper and responsible waste disposal (e.g., proper management and disposal of recyclables, general waste, e-waste, hazardous waste, etc.) • Promoting waste diversion from landfill by prioritising waste management methods such as reducing, reusing, recycling, wasteto-energy, composting, etc. • Reducing amount of waste generation to improve resource conservation • Partnering with local suppliers to reduce carbon footprint and promote local businesses • Procuring materials with green certifications such as Carpet and Rug Institute Green Label, FloorScore and legally harvested timber • Using recycled content in our construction sites and office spaces • Reducing the use of ambient concentrations of chemical contaminants • Constructing robust external walls that apply to up to two metres from the ground • Installing hard-wearing floors to allow for easy maintenance and washing • Applying impact protection features on doors and corridors to reduce wear and tear • Creating kerbs for protection of external walls in delivery and vehicle drop-off areas
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