The two were detained by the army in northern Shan state in December after they were initially reported missing following heavy fighting between the government and a coalition of Kachin and three other ethnic guerrilla groups.
Pastor Dumdaw Nawng Lat and Baptist youth leader Langjaw Gam Seng helped journalists cover the aftermath of a military offensive in Mongko town where a Catholic church was bombed and destroyed in an airstrike in November 2016.
The military later accused them of providing support to an ethnic armed group.