The Ambassadors to Yemen from the Kingdom of Saudi Arabia, the United Arab Emirates, and the United Kingdom, and the Chargé d'Affaires of the United States met on 15 September to discuss the situation in Yemen, in particular matters related to Yemen's economy. The Quad nations noted with concern the depreciation of the riyal, corresponding rise in food prices, and severe impact on Yemen's economy and humanitarian situation. The Quad nations welcomed the significant contribution by the Kingdom of Saudi Arabia to Yemen's economy, including the oil derivatives grant , and called on the Government of Yemen to take all necessary steps to stabilize the economy. The Quad nations committed to supporting the Government in this effort, including through the work of its Technical Advisory Committee on the economy. The Quad nations highlighted the importance of swift progress in the implementation of the Riyadh Agreement, and welcomed the contributions of the Kingdom of Saudi Arabia and the United Arab Emirates to this agenda. The Quad nations also emphasised the need for the Government of Yemen to return to Aden as soon as possible, noting this would be necessary to oversee future international support for economic recovery. Finally, the Quad nations underlined their commitment to a comprehensive political solution for the conflict in Yemen and expressed full support for the new UN Special Envoy, Mr Hans Grundberg.