Core Values and Codes of Conduct We uphold the highest ethical standards and values through the Berkshire H athaway Code of Business Conduct and Ethics. We expec t employees to safeguard our organization’s reputation and protect us from fi nancial and legal harm, and provide a confi dential a nd anonymous hotline administered by a third-party organization called NAVEX Global (toll-free number 800-261-8651 or website at http://brk-hotline.com) where individuals can report potential misconduct for investigation. We also hold our organization accountable to provisions we include in the Berkshir e Hathaway Energy Code of Business Conduct th at demonstrate how to approach work, business relationships, decisions and actions, and include: • Treating customers with honesty, respect and dignity • Dealing fairly with customers, suppliers and competitors • Maintaining confi dentiality of information • Full, fair, accurate, timely and understandable fi nancial disclosures • Zero-tolerance policy on any type of harassment or behavior that is hostile, disrespectful, abusive or humiliating • Commitment to a safe and healthy environment for all employees We extend our expectations to our vendors and suppliers through a Supplier Code of Conduct addressing safety and health, ethical and legal requirements, human dignity and labor, asset and data security, environmental compliance and stewardship, and transparenc y and governance. www.brkenergy.com 3