AK Alrosa PAO. AK Alrosa PAO (Aktsionernaya kompaniya ALROSA PAO or ALROSA Company PJSC), formerly AK Alrosa OAO, is a Russia-based company which is principally engaged in the exploration, mining, manufacture and sales of diamonds. Its operations include five Integrated Mining and Processing Complexes: Mirny, Udachny, Aikhal, Anabar and Nyurba located in the Sakha Republic; sorting divisions and diamond cutting and polishing division. The Company is a member of variable diamonds associations. It operates through several representative offices, branches and subsidiaries, including Alrosa-Nyurba OAO, Almazy Anabara OAO and Severalmaz OAO.

MMC Norilsk Nickel PJSC is a global producer of nickel, palladium, platinum and copper. Co. also produces by-products, such as cobalt, chromium, rhodium, silver, gold, iridium, ruthenium, selenium, tellurium and sulfur. Co. is involved in prospecting, exploration, extraction, refining and metallurgical processing of minerals, as well as in production, marketing and sale of base and precious metals. Co.'s production facilities are located in five countries: Russia, Australia, Botswana, Finland, and South Africa. Co.'s production units are integrated and include: the Polar Division (the Taimyr Peninsula); and the Kola Mining and Metallurgical Company (Kola MMC or the Kola Peninsula).