** Shares of Targa Resources Corp TRGP.N fall 4.3% to $163.50
** The pipeline operator reports lower-than-expected revenue in Q1, hurt by lower volumes across Targa's gathering and processing and logistics and transportation system
** Says, was negatively impacted by winter weather events which reduced system volumes
** Q1 revenue $4.56 billion vs analyst's estimate of $4.89 billion - data compiled by LSEG
** TRGP's adjusted core profit rose 5% to $1.18 billion vs estimates of $1.16 billion
** Including session's moves, company's shares down 8.4% YTD
(Reporting by Sumit Saha in Bengaluru)
((Sumit.Saha@thomsonreuters.com;))