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UPDATE 1-Canada's TC Energy profit misses on lower Keystone volumes

(Compares with estimates, adds unit details)

Feb 13 (Reuters) - TC Energy Corp fell short of quarterly profit estimates on Thursday, hit by lower contribution from its Canadian natural gas pipelines and a decline in Keystone pipeline volumes.

The hit to Keystone volumes comes after a leak in North Dakota in late October temporarily shut down the pipeline that runs from Alberta to Nebraska.

The company's earnings from its oil pipelines, of which Keystone is the biggest contributor, plunged 33.3% to C$355 million in the fourth quarter, while profit from its Canadian natural gas pipelines fell 28.7% to C$321 million.

The Calgary, Alberta-based company's comparable earnings rose to C$970 million ($731 million) in the three months ended Dec. 31, from C$946 million a year earlier.

Excluding items, TC Energy earned C$1.03 per share, below analysts' average estimate of C$1.04, according to IBES data from Refinitiv.

Revenues fell 16.4% to C$3.26 billion.

Separately, the company said it approved two new expansion projects worth C$1.3 billion on its wholly owned natural gas pipeline systems. ($1 = 1.3262 Canadian dollars) (Reporting by Shanti S Nair in Bengaluru; Editing by Maju Samuel)