Independence Group Sustainability Report 2019

LTIFR Lost time injury frequency rate This is the frequency rate for lost time injuries. It is calculated by the number of lost time injuries / total hours worked (manhours) x 1,000,000 M Million Materiality Materiality is the threshold at which an issue or topic becomes important enough to be reported. Not all material topics are of equal importance, and the emphasis should reflect the relative priority of material topics and indicators. Material topic A topic that reflects a reporting organisation’s significant economic, environmental and social impacts; or that substantively influences the assessments and decisions of stakeholders. ML Megalitre. One million metric litres MLEM Moving-loop electromagnetic surveys MTI Medical treatment injury An injury that either requires treatment by, or under the specific order of, a medical practitioner, or could be considered as being one that would normally be treated by a medical practitioner. MTIFR Medically treated injury frequency rate This is the frequency rate for medically treated injuries. It is calculated by the number of MTI / total hours worked (manhours) x 1,000,000 Mt million metric tonnes Mtpa million metric tonnes per annum MW Megawatt MWh Megawatt hours NGER National Greenhouse and Energy Reporting The NGER scheme is a single national framework for reporting and disseminating company information about greenhouse gas emissions, energy production, energy consumption, and other information specified under NGER legislation. NNTAC Ngadju Native Title Aboriginal Corporation NPAT Net Profit After Tax NPI National pollutant inventory A publicly available internet database of emissions and transfers of 93 substances from industrial facilities and diffuse sources in Australia. Ni Nickel oz Ounce PDI Permanent disabling injury An injury that results in a person being totally and permanently disabled (as defined in Western Australian Law) as assessed by a physician to the extent that they are no longer able to work. Reporting period One financial year, beginning 1 July and ending 30 June ROM Run-of-mine pad RWI Restricted work injury Injuries that require an individual to do something other than their normal job. RWIFR Restricted work injury frequency rate This is the frequency rate for restricted work injuries. It is calculated by the number of RWI / total hours worked (manhours) x 1,000,000 Scope 1 greenhouse gas (GHG) emissions Emission of greenhouse gas, in relation to a facility, means the release of gas into the atmosphere as a direct result of an activity or series of activities (including ancillary activities) that constitute the facility. These are emissions owned or controlled by IGO. 98 — IGO SUSTAINABILITY REPORT 2019 GLOSSARY