(Compares results with estimates, adds Q2 details)
Aug 4 (Reuters) - Restaurant Brands International Inc QSR.TO QSR.N , owner of Burger King and the Tim Hortons coffee and doughnut chain, posted a better-than-expected quarterly profit, helped by lower costs.
Total operating costs and expenses fell 16.7 percent to $616.2 million in the second quarter, from a year earlier.
The company said it would repurchase up to $300 million of its common shares over the next five years.
Restaurant Brands' net profit attributable to shareholders jumped to $90.9 million, or 38 cents per share, in the quarter ended June 30, from $11 million, or 5 cents per share, a year earlier.
The year-ago quarter included a $27.4 million charge related to the merger of Burger King and Tim Hortons.
On an adjusted basis, Restaurant Brands earned 41 cents per share, beating the average analyst estimate of 34 cents, according to Thomson Reuters I/B/E/S.
The Oakville, Ontario-based company's revenue slipped to $1.040 billion from $1.042 billion. Analysts on average had expected $1.045 billion.