The two main contenders for this year’s presidential election, President Nana Addo Dankwa Akufo-Addo of the New Patriotic Party (NPP) and former President John Dramani Mahama of the National Democratic Congress (NDC), will sign the Presidential Elections Peace Pact (PEPP) today to commit them and their parties and supporters to non-violence, the resort to judicial process to seek redress in case of disputes and work towards eradicating vigilantism.