Net profit jumped 23 per cent in the first half to 624 million euros (USD 837 million) boosted by lower raw material costs, the company said in a statement.
The French company reaffirmed its 2014 full-year guidance for a 3.0-per cent rise in sales and a return on capital of more than 11.0 per cent.
"In a competitive environment that persisted through the first half, Michelin met its objective of delivering a further improvement in its performance," said chief executive Jean-Dominique Senard in a statement.
Investors cheered the news, sending Michelin shares up 3.2 per cent in Paris to 85.52 euros, against an 0.84 per cent gain in the broader markets.
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But Michelin warned that currency movements and weaker emerging demand were dragging on its outlook.
Adverse currency movements, particularly in its newer markets, wiped 173 million euros from first-half earnings as it expanded in China, Brazil and India.
Emerging markets outside China were also "seeing a slowdown, especially in the original equipment segment," with demand in Russia down by more than a third due to the Ukraine crisis.
"At a time of uncertain raw materials prices, the Group strove to maintain a tight pricing policy while driving a slight increase in tonnages," the statement said.