On September 25, 2024, the Board of Directors of Kilroy Realty Corporation (the “Company”) adopted an amended and restated Code of Business Conduct and Ethics (the “Code”), which became effective as of September 25, 2024. The Code is applicable to all directors, officers, and employees of the Company, including the Company's principal executive officer, principal financial officer and principal accounting officer. The amendments to the Code update various Company policies addressed in the Code, including but not limited to, relating to (i) confidential information, (ii) public communications and regulation fair disclosure, (iii) social media, (iv) environment, health and safety, and (v) political contributions and activities.