Loma Negra Compania Industrial Argentina Sociedad Anonima

As of August 28, 2018, Loma Negra adopted and communicated the new version of the Code of Ethics, named Code of Business Conduct, which complies with NYSE and local regulation’s standards. Likewise, the Code of Business Conduct is posted on our web site at: http://www.lomanegra.com/en/compliance/. Such Code of Business Conduct applies to our employees, directors, managers, shareholders and officers as well as contractors, subcontractors, brokers, suppliers, customers and generally, all parties that provide services to Loma Negra, or on its behalf. Pursuant to Item 16B of Form 20-F, if a waiver or amendment of the code of conduct (including the code of ethics) applies to our chief executive officer, chief financial officer or other persons performing similar functions and relates to standards promoting any of the values described, we will disclose such waiver or amendment on our website within four business days following the date of amendment or waiver in accordance with the requirements of Instruction 4 to such Item 16B. In addition, we did not grant any waivers or make amendments to our Code of Business Conduct during the year ended December 31, 2023.