^1/ Revenues from telephone and other services excluding interconnection (IC) revenue and network rental revenue

^2/ Activity ratios exclude contribution from asset sale to DIF to reflect cash cycle of the Company

^3/ Debt comprises short-term and long-term borrowings excluding liabilities under finance leases

^4/ Interest coverage ratio is derived from EBITDA/ (interest expenses and other financial fee) during the period
By calculating Interest coverage ratio using information from cash flows statement (Net cash flows generated from operating activities + interest paid + income tax paid)/ interest paid),
this ratio was 3.1 times in 2017, 3.8 times in 2016 and 4.2 times in 2015

^5/ Return on Equity = Net profit to shareholders of the parent company /Average total parent’s shareholders’ equity

^6/ Total Operating Expenses include Costs of Providing Services, Cost of Sales and Selling and Administrative Expenses