Our Renewables Journey We have made significant strides in our decarbonisation journey. Solar PV programmes have made a significant contribution to this effort. In Singapore alone, we have installed an equivalent of over 17 football fields of solar PV panels with a combined capacity of 16.8 megawatt-peak (MWp). Our U.S. sites have also started on their solar implementation efforts. For example, our facility in San Antonio, U.S. installed a 0.3 MWp solar PV system on six of its hangar roofs and is considering an expansion. We also embarked on a study to identify additional renewable energy options for our U.S. business units. These efforts will accelerate the adoption of renewable energy in our business operations and reduce our overall GHG emissions. Information Tools Density of Aviation Kerosene Environmental Technology Centre, Environment Canada Acetylene Emission Factor Acetylene Emission Factor Singapore Grid Electricity Emission Factor Energy Market Authority - Singapore Density of Motor Gasoline and Diesel The Engineering Toolbox Emission factors and Net Calorific Values (NCV) for Aviation Gasoline, Motor Gasoline, Diesel, LPG and CNG 2019 Refinement to the 2006 IPCC Guidelines for National Greenhouse Gas Inventories, Volume 2 Density of Natural Gas The Engineering ToolBox Global Warming Potential Values GHG Protocol We include the following gases for conversion to CO2 equivalent in our GHG inventory – CO2, CH4, N2O, PFCs, HFC5, SF6 and NF3. In our Singapore operations, our GHG inventory also includes CFC, HCFC, CCl4 and CH3CCl3where applicable. We will progressively expand the gases included in our GHG inventory across our international units. Additionally, we take guidance from reputable sources for computation methodologies, conversion factors and calculation tools: Employee Commute Survey In 2022, we conducted a group-wide employee commute survey as part of our efforts to expand our GHG Scope 3 inventory. This includes emissions from the transportation of employees between their homes and their worksites via: • Personal automobile • Automobiles such as taxis, cabs and private-hire services • Public local and regional buses • Local, regional and intercity rail • Other modes of transportation. For example, walking and the use of personal mobility devices Our employees provided information on the frequency, distance and mode of transportation used in their commute. Using the results, we extrapolated our results from the sample size obtained from the survey responses using a distance-based approach. REGIONAL BREAKDOWN OF SURVEY RESPONDENTS (%) Singapore Americas Asia Pacific (excluding Singapore) Europe 7% 6% 21% 66% OVERVIEW OUR SUSTAINABILITY APPROACH ECONOMIC ENVIRONMENTAL SOCIAL GOVERNANCE INDEX 39
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