financial highlights
(In millions of constant pesos as of December 31, 1999, except where indicated otherwise; dollar figures are in millions of US dollars(1)).

(1) Dollar figures reported herein are in nominal dollars resulting from dividing each month¼s nominal pesos by that month¼s ending exchange rate, except as indicated.
(2) Change from 1998 to 1999.
(3) Change from 1997 to 1998.
(4) The amounts of Income Statement have been restated to present Anchor and Mining Operations as a discontinued operation.
* Calculated using constant pesos as of December 31, 1998.
** Calculated using constant pesos as of December 31, 1997.