UNITED BREWERIES CO INC

We have adopted a Code of Business Conduct that applies to all of our executive officers and employees. Our Code of Business Conduct is available on our website at www.ccu.cl or www.ccuinvestor.com. This Code was updated in January 2026 and no waivers, either explicit or implicit, of provisions of the code of ethics have been granted to the chief executive officer, chief financial officer, or any other officer or employee. The information on our website is not incorporated by reference into this document.

In December 2013, we adopted a Code of Conduct of the Board of Directors that applies to all of the members of our board of directors, which was updated in 2015 and 2021. This Code of Conduct is available on our website at www.ccu.cl or www.ccuinvestor.com. The Code of Conduct sets forth certain basic principles intended to guide the actions of our directors, as well as certain procedures, policies and corporate governance best practices. The Code of Conduct covers matters of confidentiality, access to independent experts, and orientation of newly elected directors and review of information regarding candidates for election to the board of directors. The Code of Conduct also establishes rules and procedures regarding conflicts of interest. The information on our website is not incorporated by reference into this document.

The CCU Business Conduct Committee (Comité de Conducta en los Negocios or the "CCN"), is composed of the Corporate Human Resources Officer (who serves as chair), the Chief Executive Officer, the General Controller, the CFO and the General Counsel, and is responsible for keeping this Code up to date. It is also responsible for ensuring compliance with the Code, answering any queries that may be submitted to it in accordance with the Code, particularly those related to compliance with the law and regulations in force, and for receiving, hearing and analyzing any complaints received. It may also recommend or impose the application of the appropriate measures.

The CCN shall hold ordinary sessions at least eight times per calendar year, on the dates, times and places set by the CCN itself, and extraordinary sessions when specifically called by the Chair of the CCN, on his own behalf or by indication of one or more members. It shall be the obligation of the CCN to inform the audit committee of the complaints received every six months or immediately in the case of relevant matters.