Russia’s State Property Management Agency owns a 50.08 pct stake, the Republic of Bashkortostan a 25 percent stake, treasury shares account for a 4.4 percent stake, and the rest is free-float.

Below is a timeline of recent Bashneft privatisation and key bidders.

* The Russian government announced at the end of 2015 it aimed to raise 1 trillion roubles (11.96 billion pounds) from the privatisation of state assets, including a stake in Bashneft, in 2016

* President Vladimir Putin said in February 2016 the privatisation deals could not be funded by state banks and that any new owners must be registered in Russia  

* It emerged that Rosneft, Lukoil, Tatneft, Tatneftegaz, the Russian Direct Investment Fund, the Antipinsky refinery, Russneft, the Independent Petroleum Company, Fund Energy had all expressed interest

* In August, the government valued its stake in Bashneft at around 306 billion roubles and said it was aiming for an autumn deal

* Rosneft Chief Executive Igor Sechin was later reported to be trying to convince the government his company should be allowed to bid despite it being state-controlled    

* In August, Economy Minister Alexei Ulyukayev wrote to Prime Minister Dmitry Medvedev saying the government had no legal grounds for stopping state-controlled groups such as Rosneft from bidding

* The government on Aug. 16 decided to postpone the Bashneft privatisation for an unspecified period of time

KEY BIDDERS

* State-controlled Rosneft, Russia’s top oil producer headed by Sechin, a close ally of Putin

* Privately-owned Lukoil, Russia’s No.2 oil producer, headed by co-founder and one of Russia’s richest man Vagit Alekperov

* The Russian Direct Investment Fund, a state investment vehicle which plans to bring foreign investors into the deal

* Tycoon Mikhail Gutseriyev via his oil assets

* Mid-sized Independent Petroleum Company headed by ex-Rosneft CEO and close Sechin ally Eduard Khudainatov

(Reporting by Katya Golubkova; editing by Anna Willard)

Stocks treated in this article : NK Lukoil PAO, NK Rosneft' PAO, ANK Bashneft' PAO