June 11 (Reuters) - Canada's Dollarama ( DLMAF ) beat

quarterly sales estimates on Wednesday, as consumers favored

discounted alternatives for household supplies and groceries

amid domestic economic uncertainty.

The company reported comparable store sales of 4.9%, above

estimates of 3.4% in the quarter ended May 4, according to data

compiled by LSEG.

Dollarama ( DLMAF ) posted net sales of C$1.52 billion ($1.11

billion)for the first quarter, compared with analysts' estimates

of C$1.5 billion.

($1 = 1.3682 Canadian dollars)