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Niagara Mohawk Power Corporation -- Correction to Text, March 29, 2019 Release: Moody's takes action on certain National Grid subsidiaries and affirms other ratings

In the list of Affected Ratings for Niagara Mohawk Power Corporation, changed the action for the Pref. This publication does not announce a credit rating action. For any credit ratings referenced in this publication, please see the ratings tab on the issuer/entity page on www.moodys.com for the most updated credit rating action information and rating history.