The first cabinet led by Gerhard Schröder was sworn in on October 27, 1998, after the 1998 elections and laid down its function on October 22, 2002 after the formation of the Schröder Cabinet II, which was formed following the 2002 elections.
Unless noted otherwise, the minister served the entire term of the cabinet.
References
First Schröder cabinet Wikipedia(Text) CC BY-SA