May 4 (Reuters) - TC Pipelines LP TCP.N :
* TC Pipelines LP announces 2017 first quarter financial results and agreement to acquire interests in iroquois and pngts
* TC Pipelines LP qtrly net income per common unit $1.05
* TC Pipelines LP - expect to again recommend a six percent increase in distribution in july
* TC Pipelines LP - reached agreements to purchase a 49.3 percent interest in Iroquois Gas Transmission System LP from Transcanada Source text for Eikon: ID:nCCN9F722w Further company coverage: TCP.N