Silver production increases 10.7% helped by output from the San Julián mine in Mexico, where phase 2 commissioning is due to conclude in Q2, while gold production slips.
The 44-day strike also delayed the commissioning of two projects at the Chilean copper mine, the world's biggest.
The deals on the table include the long-awaited agreement with Mercosur and 'updates' to accords with Mexico and Chile.
Company expects silver mine production to be 809Moz this year, based on a rebound in output in Mexico and continued growth in Peru and China.
The Canadian company cut its production guidance after selling a stake in its Veladero mine in Argentina, but stronger metals prices and higher gold output fattened its bottom line.
A two-week strike ended at Southern Copper's operations in Peru after the company agreed to improve medical services for workers and grant them loans.