172.1. Parole board decisions rendered under sections 136, 138, 140 and 143, the second paragraph of section 160 and sections 163, 167 and 171 are of a public nature, except information they contain that could(1) disclose personal information concerning a person to whom such a decision does not apply;
(2) endanger the safety of a person;
(3) reveal a source of information obtained confidentially; or
(4) hinder the reintegration of the offender.