(Reuters) - Dollar Tree Inc (DLTR.O) reported a 2.6 percent fall in quarterly profit as costs increased.
Net income fell to $121.5 million, or 59 cents per share, in the second quarter ended Aug. 2 from $124.7 million, or $1.25 per share, a year earlier.
Revenue jumped 9.5 percent to $2.03 billion.
Same-store sales rose 4.5 percent on a constant-currency basis. Analysts on average had expected a 2.5 percent rise, according to research firm Consensus Metrix.
Dollar Tree, which operates the Dollar Tree, Deal$ and Dollar Bills stores, agreed to buy Family Dollar Stores Inc FDO.N in July. The bid has since been trumped by Dollar General Corp (DG.N).
Reporting by Devika Krishna Kumar in Bangalore; Editing by Joyjeet Das