Shell said it expects its second-quarter performance to be hit by weaker trading in its core integrated gas division, prompting a decline in its shares by around 3% on Monday.The British energy company said trading in the division–which includes its market-leading liquefied-natural-gas business–is expected to be “significantly lower” than in the first quarter.

Shell slides to its lowest in nearly a month after saying it expects Q2 earnings will be dragged down by "significantly lower" trading in its core integrated gas trading division.

Shell trimmed the second-quarter outlook for its integrated gas division output and liquefied natural gas production and guided for weaker trading results in a quarterly update published on Monday ahead of full results.