US regional grocer Stater Bros. has booked rising first-quarter sales and earnings.

The retailer posted like-for-like sales growth of 3.3% for the 13 weeks to 30 December. Revenue rose 4.3% to $943m during the period.

Stater Bros. saw net income reach $10.8m, up from $9.9m a year earlier.

""The first quarter results were in line with management's projections," said Stater Bros. chairman and president and CEO Jack Brown.