Alaska Airlines and Boeing announced that the carrier is exercising options to purchase five Boeing 737-900ER (extended range) aircraft. The five new aircraft are worth $481m at Boeing’s current list price. Two of the aircraft will arrive in 2015 followed by two more in 2016 and one in 2017. This order supplements the 31 aircraft on firm order for delivery by the end of 2017. Alaska Airlines expects to have 134 Boeing 737s in its fleet by the end of 2014.