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Exhibit 7.2

Alternative performance measures

EBITDA, Earnings before interest, tax, depreciation and amortization.

EBITDA provides an analysis of the operating results excluding depreciation and amortization and impairments, as they are non-cash variables which can vary substantially from company to company depending on accounting policies and the accounting value of the assets. EBITDA is an approximation to pre-tax operating cash flow and reflects cash generation before working capital variation. EBITDA is widely used by investors when evaluating businesses (multiples valuation), as well as by rating agencies and creditors to evaluate the level of debt, comparing EBITDA with net debt. EBITDA is calculated in the following manner:

EBITDA = Operating results + Depreciation and amortization + Impairment charges/(reversals).

EBITDA is a non-IFRS alternative performance measure. Operating result for the year 2020 amounted to a loss of $663 million.

 


 For the year ended December 31,


Millions of U.S. dollars


2020


2019


2018


 


 


 


 


Operating (loss)/income


  (663)


  832


  872


Depreciation and amortization


  679


  540


  664


Impairment charge


  622


  -


  -


EBITDA


  638


  1,372


  1,536


 

Net cash/(debt) position

This is the net balance of cash and cash equivalents, other current investments and fixed income investments held to maturity less total borrowings. It provides a summary of the financial solvency and liquidity of the company. Net cash / (debt) is widely used by investors and rating agencies and creditors to assess the company’s leverage, financial strength, flexibility and risks.

Net cash/ debt is calculated in the following manner:

Net cash= Cash and cash equivalents + Other investments (Current and Non-Current) +/- Derivatives hedging borrowings and investments Borrowings (Current and Non-Current).

Net cash is a non-IFRS alternative performance measure.

Millions of U.S. dollars


2020


2019


2018


 


 


 


 


Cash and bank deposits


  585


  1,554


  428


Other current investments


  872


  210


  488


Non-current investments


  239


  18


  114


Derivatives hedging borrowings and investments


  8


  19


  (6)


Current borrowings


  (303)


  (781)


  (510)


Non-current borrowings


  (316)


  (41)


  (29)


Net cash position


  1,085


  980


  485


Free Cash Flow 

Free cash flow is a measure of financial performance, calculated as operating cash flow less capital expenditures. FCF represents the cash that a company is able to generate after spending the money required to maintain or expand its asset base. Free cash flow is calculated in the following manner:

Free cash flow = Net cash (used in) provided by operating activities – Capital expenditures.

Free cash flow is a non-IFRS alternative performance measure. Net cash provided by operating activities for the year 2020 amounted to $1,520 million.

 


 For the year ended December 31,


Millions of U.S. dollars


2020


2019


2018


 


 


 


 


Net cash provided by operating activities


  1,520


  1,528


  611


Capital expenditures


  (193)


  (350)


  (349)


Free cash flow


  1,327


  1,178


  261