Profit was 39 cents a share, compared with $12.5 million, or 30 cents a share, in the same period last year. Excluding one-time items, earnings reached 40 cents a share, ahead of the 34 cents expected by analysts surveyed by FactSet.

Same-store sales increased 2.5%, exceeding analysts’ forecast of 1.4%, and traffic grew 0.8%. Systemwide sales rose 12.8% to $644.8 million.

“Our improvements in restaurant operations continue to elevate the guest experience while delivering strong margins,” the company said in a shareholder letter. Shake Shack added that targeted media and digital investments continue to strengthen guest engagement and drive traffic growth.