March 4 (Reuters) - Precious metals miner Fresnillo Plc said its full-year pretax profit dropped 40 percent, hurt by falling gold and silver prices.
The company's pretax profit fell to $251.1 million in the year ended Dec. 31 from $418.7 million a year earlier.
Fresnillo, which produces silver and gold from six mines in Mexico, said total revenue fell 12.5 percent to $1.41 million.
The company said the average realised silver price decreased 18.4 percent to $18.6 per ounce in 2014, while average realised gold price fell 10.2 percent to $1,257.7 per ounce. (Reporting by Mamidipudi Soumithri in Bengaluru; Editing by Anupama Dwivedi)