Core Points - Liberty Latin America and Millicom's proposed transaction to combine operations in Costa Rica has been rejected by the country's telecommunications regulator, SUTEL [1][3] - Both companies believe the transaction would have enhanced technology investment, market competitiveness, and the expansion of next-generation networks in Costa Rica [2][3] - The decision was unexpected as both companies had maintained ongoing dialogue with SUTEL and believed they had addressed potential concerns [3] Company Overview - Liberty Latin America Ltd. operates in the telecommunications sector, focusing on mobile and wireless services [1][6] - Millicom International Cellular S.A. is also a key player in the telecommunications industry, with a focus on mobile services [1][6]