SASB Index SASB Index The table below references the Sustainability Accounting Standards Board (SASB) Standards for the Telecommunication Services Industry, as defined by SASB’s Sustainable Industry Classification System. Topic SASB Code Requested Metric 2021 Response Environmental Footprint of Operations T C -T L- 1 3 0 a .1 (1) Total energy consumed 28,902,225 GJ Total energy consumed is calculated based on emissions sources included in scope 1 and 2 GHG emissions, namely diesel, gasoline, jet fuel, propane, natural gas, and electricity. For more information, refer to our Independent Assurance Statement, which can be found on our reporting page . T C -T L- 1 3 0 a . 2 (2) Percentage grid electricity 9 7. 2 % Percentage grid electricity is calculated as total electricity consumed as purchased from the grid (and reported for scope 2 GHG emissions) divided by total energy consumed. T C -T L- 1 3 0 a . 3 (3) Percentage renewable 9 7. 2 % Percentage renewable electricity is calculated as total renewable electricity generated on site or purchased in the form of renewable energy credits divided by total energy consumed. 2021 CORPORATE RESPONSIBILITY REPORT OUR PEOPLE OUR GOVERNANCE OUR COMMUNITIES 88 OUR COMPANY THE ENVIRONMENT THE NUMBERS AND SMALL PRINT