2014 Annual Financial Report  macquarie.com.au  Macquarie Group Limited and its subsidiaries  Environmental, Social and Governance Report  continued  Carbon and energy data for corporate offices$^{(1)}$ and business air travel$^{(2)}$  (1)  Corporate offices are defined as:  (2) Business air travel is defined as travel ticketed through Macquarie’s Travel Management Companies for the primary purpose  of business.  (3) Note that the baseline for Scope 2 electricity emissions is FY2009 while, due to data availability, the baseline for Scope 3 business air  travel emissions is FY2010. Total Scope 2 and Scope 3 emissions reductions are calculated based on a FY2010 baseline.  (4) Some numbers in this column have been revised from last year's report to reflect updated invoice data.  (5) Emission factor for air travel was updated in FY2014 resulting in significantly reduced emissions. Emission factors for air travel in prior  years have not been adjusted as these remain valid.  –  offices leased by Macquarie operating entities that are also occupied by Macquarie staff and have a Net Usable Area (NUA) greater  than 100m$^{2}$  –  data centres considered to be under the ongoing operational control of a Macquarie Group operating entity  –  new offices from business acquisitions from the month of acquisition.  Baseline$^{(3)}$  Change  FY09  FY10  FY11  FY12  FY13$^{(4)}$  FY14  Prior  Year  Baseline  Scope 2 indirect electricity  emissions per capita (tCO2-e per person)  3.93 3.49 3.35 3.55 3.40 3.05 -11% -22% Total Scope 2 indirect  electricity emissions (tCO2-e)  49,632 50,923 51,941 52,497 46,499 41,355 -11% -17% Australia/NZ  31,874 31,881 28,883 28,453 25,679 24,094 -6% -24% International  17,758 19,042 23,058 24,044 20,820 17,261 -17% -3% Scope 3 indirect emissions  per capita (tCO2-e per person)  n/a 5.34 5.11 4.95 4.64 3.60 -22% -33% Scope 3 indirect emissions  business air travel (tCO2-e)  n/a 78,018 79,330 73,260 63,334 48,870 $^{(5)}$  -23% -37% Total Scope 2 and Scope 3  emissions (tCO2-e) – 128,941 131,271 125,756 109,832 90,225 -18% -30% Office energy use  (terajoules)  237 251 268 275 243 226 -7% -5% 18 