** Shares of utility company TXNM Energy TXNM.N rise 1.9% to $52.12 in extended trading

** Company's subsidiary TNMP receives approval from the Public Utility Commission of Texas for its 2025-2027 system resiliency plan

** Under the plan, TNMP will invest $545.8 million over three years to mitigate various types of resiliency events that pose material risk

** Plan encompasses operations and maintenance expenses associated with several programs, including vegetation management and wildfire mitigation

** Up till last close, stock up 4.1% YTD

(Reporting by Pooja Menon in Bengaluru)

((Pooja.Menon@thomsonreuters.com;))