Canadian frozen seafood giant High Liner posted a 5 percent decline in first quarter adjusted earnings before interest, taxes, depreciation and amortization (EBITDA) to $30.7 million (€28.2 million), despite what CEO Rod Hepponstall called an "unprecedented" surge in retail demand.

Revenue slipped 3 percent to $268.6 million (€247.2 million) and as sales volumes edged 1.5