Anna Szostak is among the most outstanding choral conductors in Poland. She has received many prizes at singing contests: at the International Choir Festival in M dzyzdroje (1982), at the Legnica Cantat All-Polish Choir Competition (1983, 1986), and at the Holsatia Cantat International Choir Competition w Neumünster (1990), among others. In 1993 she was awarded a Ministry of Culture and Arts Prize for her special cultural achievements. In 2004 she was awarded the Jerzy Kurczewski Prize, the only prize of this type in Poland, for achievements in the choral field.