Key Financial Data
Year ended 31 December (RMB Million)
  2016 2017 2018
Operating Revenue 352,534 366,229 377,124
Service Revenue 309,812 331,044 350,434
Operating Profit 27,220 27,220 28,714
EBITDA 95,162 102,171 104,207
EBITDA Margin 30.7% 30.9% 29.7%
Net Profit 18,018 18,617 21,210

Please refer to the notes of the audited financial statements included in the Company's annual report for the related accounting policy.

Service Revenue = Operating Revenue - Sales of Mobile Terminals - Sales of Wireline Equipment - Other Non-Service Revenue

EBITDA Margin = EBITDA / Service Revenue

The financial data in the above table included the financial impact of the acquisition of satellite communications business and Shaanxi Zhonghe Hengtai Insurance Agent Limited occurred at end-2017