Koidu Limited a subsidiary of OCTÉA Limited, is a locally registered Company in the Republic of Sierra Leone. History Formation After a JV was formed on 1 June 2002 Koidu Limited acquired the remainder of the 25-year mining lease agreement originally signed in 1995. After the second successful post-war democratic election in 2007, the Government of Sierra Leone undertook to review all mining agreements in the country. The Mining Review Process commenced in July 2008 and Koidu Limited’s mining lease for the Koidu Kimberlite Project was one of the first to be reviewed. A new mining lease agreement was entered into between the Republic of Sierra Leone and Koidu Limited on 6 September 2010. The term of the mining lease was extended to 22 July 2030 and may be renewed for a further period of 15 years. Initial Operations After the end of the civil war in Sierra Leone in 2002 – and once the country had joined as a participant of the Kimberley Process Certification Scheme in 2003 – Koidu Limited was the first commercial diamond mining company to invest in the development of the resource sector in Sierra Leone, focusing initially on the kimberlite deposits at Koidu. Growth Strategy Vision Koidu Limited has developed a vision for the Company striving to do what is right and good, with a vision is to become the Company to host, to invest in and to work for in the Republic of Sierra Leone. Corporate Identity After the end of the civil war in the Republic of Sierra Leone in 2002 and once the country had joined as a participant of the Kimberly Process Certification Scheme in 2003, Koidu Limited was formed in 2003 and was the first commercial diamond mining company to invest in the development of the resource sector in the Republic of Sierra Leone, focusing initially on the kimberlite deposits at Koidu. Mining Leases Koidu Limited holds one mining leases in Sierra Leone: the Koidu Kimberlite Project (KKP). Koidu Kimberlite Project (KKP) The Koidu Kimberlite Project mining lease, located within the Tankoro Chiefdom of the Kono District, measures approximately 4.9 km2 and hosts two small kimberlite pipes, No. 1 Pipe (K1) and No. 2 Pipe (K2), and four kimberlite dyke zones, along which four small blows or enlargements have been discovered. Exploration and mining operations Koidu Kimberlite Project (KKP) Development of the mine commenced in 2003, with the construction