It is the second division of the Ligue Nationale de Basket (LNB), which has organized the league since the year 1987.

The team that ends in first place in the table is named league champion and promotes to the LNB Pro A.

The top eight regular season teams, with exception for the league champion, qualify for the promotion playoffs.

The bottom two regular season teams are meanwhile relegated to the third tier Nationale Masculine 1 (NM1) league.

These are the current teams: Honneur (Honor) Excellence Nationale 2 (National 2)