AK ALROSA was set up under Decree 158C of the President of the Russian Federation 'On the Establishment of the Almazy Rossii-Sakha Joint Stock Company' signed on 19 February 1992.
 
History

1954
Discovery of the Zarnitsa (Lightning) Pipe- the first kimberlite deposit in Russia.

1955
Discovery of the Mir (Peace) Pipe.
Discovery of the Udachnaya (Lucky Strike) Pipe.

1957
On January 4, 1957, the Board of the USSR Ministry of Non-ferrous Metallurgy adopted the resolution "On Industrial Development of the Vilyui Diamond Deposits" which provided for the construction of diamond mining and processing facilities in the vicinity of the Mir Pipe and the Khabardin Valley and Irelyakh River alluvial placers. The Yakutalmaz Trust with Victor Tikhonov as its Director was established on the basis of the existing Dzhugdzhugzoloto Trust in Mirny to manage the construction activities.
The commercial development of diamond deposits started when a pilot processing factory was built by the Vilyui expedition and commissioned on June 10, 1956. In December 1956 the factory was incorporated into Yakutalmaz as 1 Ore Processing Factory.

1959
The USSR sold its first 13,000-carat lot of Yakut diamonds on the world market.
Dredge ¹ 201 (a floating concentrating factory) started producing diamonds in October.

1961
The Aikhal mine was set up and the construction of Processing Factory ¹ 8 started in January. The Factory produced its first diamonds in August. At the end of January the Factory began processing the rock mass from the Mir Pipe.
Factory ¹ 5 was put into operation.

1979  
The Udachny mine was re-organized into the Udachny Integrated Mining and Processing Plant in February. The first batch of powerful 120-ton Kamatsu dump trucks started operating at the Udachnaya pit.

1994  
The Botuobinskaya kimberlite pipe was discovered on March 29, 1994.

1997   
Trial operation started at the processing facility at the Catoca deposit in Angola on July 31, 1997, and the first diamonds were produced shortly after.
ALROSA and De Beers signed a trade agreement in Moscow.

1999
The Internationalnaya underground mine and ALROSA's Nyurba pilot processing factory were put into operation on August 13-14.

2006
On October 31, 2006 the talks between the presidents of the Russian Federation and the Republic of Angola in Moscow concluded in signing a Memorandum of Understanding between ALROSA and ENDIAMA (Angola’s national diamond mining enterprise).
The MOU defined the grounds for cooperation between the parties in diamond exploration and development, and personnel training in the fields of scientific research and technology.
ALROSA, ZARUBEZHNEFT JSC and DARK OIL COMPANY also signed a Memorandum of Understanding on joint prospecting, exploration and production of hydrocarbons with SONANGOL (Angola’s national oil and gas exploration and production company).

2007
The Company has exceeded the maximum volume of prospecting and exploration works performed by the USSR diamond mining industry.
ALROSA, Sonangol (Angolan National Energy Company), and Dark Oil (an Angolan oil company) signed an agreement on prospecting and exploration for oil and gas in the Lower Congo and Upper Kwanza zones, in the basins of the Etosha, Okawango and Kassanje Rivers, and in the shelf zone of Angola.
A certificate establishing the fact of discovery in 2007 of the primary kimberlite deposit of Verkhne-Munskoye in the Olenyok Ulus (district) of the Repubublic of Sakha (Yakutia) has been issued to ALROSA by the Federal Agency for Subsoil Use under the RF Ministry of Natural Resources.

2009
Commissioning of Mir Underground Mine

Shareholders of OJSC AK ALROSA are:
The Russian Federation represented by the Federal Agency for Management of State Property with 50.9256% of shares;
The Republic of Sakha (Yakutia) represented by the Ministry of Property Relations of the Republic of Sakha (Yakutia) with 32.0002% of shares;
Administrations of 8 municipal districts (uluses) of the Republic of Sakha (Yakutia) with 8.0003% of shares;
Other legal entities and individuals with 9.0739% of shares.
 
Market position
ALROSA is Russia's largest diamond company engaged in exploration, mining, manufacture and sales of diamonds and one of the world's major rough diamond producers.
ALROSA accounts for 25% in the global diamond production in terms of value (18% in 2002).
ALROSA is among the top ten of Russia’s most efficient enterprises.
ALROSA accounts for 96% of Russia’s overall diamond output.

Production
In 2010 ALROSA’s aggregate rough diamond production (including the production of OJSC ALROSA-Nyurba) amounted to 34.3 million carats, i.e. USD 2,180 million in value terms, with rough diamond sales of USD 3,483.6 million, which is a record-breaking amount throughout the Company’s history.
ALROSA’s cutting and polishing branch Brillianty ALROSA produces and sells some USD 140.0 million worth of polished diamonds on an annual basis.

Sales of products
The current average annual core product sales revenues (including those generated by the Company’s subsidiaries) amount to over USD 2.7 billion.
ALROSA is developing a new distribution network based on a combination of long-term partnerships with major purchasers of rough and polished diamonds and regional diversification of sales.

Resources
ALROSA probable reserves make up about one third of the world’s diamond resources.
About 95% of the ALROSA total diamond production (in terms of value) are gem and near-gem quality diamonds.
ALROSA has its own advanced exploration complex enabling it to maintain and expand its proven reserves.

Structure of ALROSA Group

General Meeting of Shareholders

Supervisory Board

President (CEO)

Executive Committee

Enterprises:
- Mining and Processing Divisions:
    Mirny Mining and Processing Division, Mirny
    Udachny Mining and Processing Division, Udachny
    Aikhal Mining and Processing Division, Aikhal Settlement
    Nyurba Mining and Processing Division, Nakyn

- Marketing and Sales Divisions:
    United Selling Organization, Moscow
    Brillianty ALROSA, Moscow
    Diamond sorting centre, Mirny
    YAPTA (Yakutsk Diamond Trading Enterprise), Yakutsk

- Industrial Infrastructure Units:
    Almazavtomatika Specialized Enterprise, Mirny
    Yakutniproalmaz Research and Design Institute, Mirny
    Capital Construction Division, Mirny
    Supplies and Logistics Division, Mirny
    Sovkhoz Novy (Agricultural Enterprise), Mirny
    Mirny Aviation Division, Mirny
    Almazdortrans production Division, Lensk
    Heating and Water Supply enterprise, Mirny
    ALROSA-Transsnab Division, Moscow
    Utilities and Communal Services Disivion, Mirny
    Lensk Heating and Water Supply enterprise, Lensk
    The Mirny Automobile Roads Division, Mirny

- Exploration Divisions and Affiliates:
    Amakinskaya Exploration Expedition, Aihal Settlement
    Botuobinskaya Exploration Expedition, Mirny
    Mirny Exploration Expedition, Mirny
    Arctic Exploration Expedition, Jigansk
    NIGP – Specialized Geo-Scientific Research Enterprise, Mirny

- Social Facilities:
    The HR Training Center, Mirny
    Culture and Sports Center, Nirny
    Almazny Krai (Diamond Land) TV and Broadcasting Company, Mirny
    Prometheus Health and Recreation Centre, Nebug Settlement, Krasnodar Region

- Representative Offices and Branches:
    ALROSA Executive office in Moscow, Moscow
    ALROSA Executive office in Mirny, Yakutsk
    ALROSA Representative Office in St. Petersburg, St.Petersburg
    ALROSA Representative Office in Orel, Oryol
    ALROSA Representative Office in Angola, Luanda, Angola


Dependant Companies:
- Diamond Mining and Manufacturing:
    OJSC ALROSA-Nyurba, Nakyn
    JSC Severalmaz, Arkhangelsk
    OJSC Almazy Anabara, Anabar
    Catoca Ltd. Mining Co., Lunda Sul
    LLC Barnaul Kristall Factory, Barnaul
    LLC Orel-ALROSA, Oryol
    OJSC Almazny Mir, Moscow
    CJSC ALROSA-Africa, St. Petersburg
    CJSC Almaz-Neva, St.Petersburg


- Foreign-based Diamond Trading Companies:
    ARCOS Hong Kong Ltd., Hong Kong
    ARCOS Limited, Great Britain
    ARCOS East DMCC, UAE
    ARCOS USA Inc., USA
    ARCOS Belgium N.V., Antwerp Belgium
    ARCOS Diamond Israel Ltd., Israel

- Industrial and Exploration Companies:
    OJSC Burevestnik Scientific & Production Enterprise, St. Petersburg
    OJSC Vilyui GES-3 Hydro Power Plant, Svetly
    OJSC ALROSA-Gas, Mirny
    CJSC Irelyakhneft, Mirny

- Construction Copmanies:
    OJSC ALROSA-VGS, Mirny
    ALROSA-Vneshstroy Ltd., Lunda Sul
    Hydrochikapa S.A.R.L., Luanda, Angola

- Supply, Logistics and Transport Companies:
    JSC ALROSA-Lena, Lensk

- Credit and Finance Organizations:
    LLC SK ALROSA Insurance Company, Moscow
    OJSC Mirny Commercial Bank MAK-Bank, Moscow

- Trade Companies, Hotels, Resorts and other businesses:
    CJSC ALROSA Hotels, Moscow
    CJSC Golubaya Volna Resort, Gelendzhik