Sept 29 (Reuters) - TransCanada Corp TRP.TO :
* Says Prince Rupert gas transmission signs project agreement with metlakatla
first nation
* Says specific terms of the agreement remain confidential
* Project agreement outlines financial and other benefits and commitments that
will be provided for as long as project is in service
* Source text for Eikon ID:nCCNbtvV7n
* Further company coverage TRP.TO