Mailpac Group Ltd’s revenue grew 10 per cent for its first quarter ended March, as the company continues to benefit from rising online shopping.Revenue totalled $790 million, up 10.3 per cent year-over-year. Net profit rose six per cent to $64.6 million, while cash and bank balances stood at $245.3 million. The company delivered another quarter of revenue and earnings growth while “continuing to invest” in its operations and software, according to Executive Chairman Khary Robinson in the directors’ report to shareholders.