* Offers not available in conjunction with any other offer, and are subject to availability and acceptance on a mobile phone contract. Your EE monthly price plan charge will increase every year in March by the rate of most recently published RPI. * Your Three monthly package price plan will increase every year in May by the amount up to the RPI rate, published in the February that year. Price includes £5 monthly discount for paying by recurring method, such as direct debit. Other prices, such as call charges and roaming costs, may also go up during your plan. Promotion ends 30 Sept 2017.