As Member of the European Parliament, Laschet served on the Committee on Budgets between 1999 and 2001 and on the Committee on Foreign Affairs between 2002 and 2005.
In the negotiations to form a Grand Coalition of the Christian Democrats (CDU together with the Bavarian CSU) and the Social Democrats (SPD) following the 2013 federal elections, Laschet was part of the CDU/CSU delegation in the working group on energy policy, led by Peter Altmaier and Hannelore Kraft.