Jan 3 (Reuters) - AltaGas Ltd ALA.TO
* AltaGas announces positive FID on Canada's first West Coast propane export terminal
* AltaGas Ltd - executed long-term agreements securing land tenure along with rail and marine infrastructure on Ridley Island
* AltaGas Ltd says will proceed with construction, ownership and operation of Ridley export terminal
* AltaGas Ltd -Ridley export terminal will be designed to ship 1.2 million tonnes of propane per year and is estimated to cost approximately $450 - $500 million
* AltaGas Ltd - along with FID, AltaGas will be offering a third party option to take an equity position of up to 30 percent in Ridley export terminal
* AltaGas - expects to underpin at least 40 percent of Ridley export terminal throughput under tolling arrangements with producers and other suppliers
* AltaGas - Ridley export terminal will be designed to ship 1.2 million tonnes of propane per year and is estimated to cost approximately $450 - $500 million
* AltaGas Ltd - AltaGas will be offering a third party option to take an equity position of up to 30 percent in Ridley export terminal Source text for Eikon: ID:nCCN9m92x8 Further company coverage: ALA.TO