Minnesota State Highway 99 (MN 99) is a highway in south-central Minnesota, which runs from its intersection with U.S. Highway 14 in Nicollet and continues east to its eastern terminus at its intersection with State Highway 21 in Erin Township, near the city of Faribault.Highway 99 is 41 miles (66 km) in length and passes through the cities of St. Peter and Le Center.