Tranche Update on Loma Negra Compañía Industrial Argentina Sociedad Anónima's Equity Buyback Plan announced on December 22, 2021.

From December 23, 2021 to December 30, 2021, the company has repurchased 327,000 shares, representing 0.28% for ARS 87.63 million. With this, the company has completed the repurchase of 327,000 shares, representing 0.28% for ARS 87.63 million under the buyback announced on December 22, 2021.