| Gécamines, SIMCO, Highwind Properties Limited, Pareas Limited, Interim Holdings Limited, Blue Narcissus Limited, Metalkol, JVA, 2010 (Main Contract) |
| Gécamines, Highwind Properties Limited, Dezita Investments SARL, Metalkol, JVA, 2016 |
| Gécamines, Multree Limited, Metalkol, Royalties Sale and Purchase Agreement, 2017 |
| Gécamines, SIMCO, Highwind Properties Limited, Pareas Limited, Interim Holdings Limited, Blue Narcissus Limited, Metalkol, Annex, 2010 |