Investor Presentaiton

☐ Cyber Security Continued enhancements and expansion to operational security through the implementation and monitoring of real time cyber security controls in addition to on-going improvements to our capabilities and situational awareness Continued cultivation of alliances within the federal government to deploy intelligent devices to monitor external threats Subject to mandatory NERC reliability standards including Critical Infrastructure cybersecurity standards Robust cyber security assessment program with 50 employees supporting a 24x7 Cyber Security Operations and Analysis Center to process threat intelligence and threat hunting Columbia Generating Station (Energy Northwest) is regulated by the Nuclear Regulatory Commission requiring a comprehensive cyber security program. Columbia fully implemented all requirements by December 31, 2017 High Voltage Transmission 18

View entire presentation