Tranche Update on Horizon Oil Limited's Equity Buyback Plan announced on February 17, 2021.

From February 17, 2021 to June 28, 2021, the company has repurchased 20,300,000 shares, representing 1.56% for AUD 1.78 million. With this, the company has completed the repurchase of 20,300,000 shares, representing 1.56% for AUD 1.78 million under the buyback announced on February 17, 2021.