Sustained growth from existing assets and completion of new facilities and infrastructure to enhance the company’s global growth and leadership potential:
This included the launch of Tobolsk-Polymer, RusVinyl, the Purovsk-Tobolsk pipeline and other projects. At the end of 2014, SIBUR began work on the largest investment project ever undertaken in the Soviet and Russian petrochemical industry — the ZapSibNeftekhim complex.
In 2013, SIBUR's major shareholders reduced their total share in the company to 82.5%, and the current and former chief executives increased their share to 17.5%. In 2014, the business founded and owned by Deputy Chairman of SIBUR's Management Board Kirill Shamalov acquired the 17% previously beneficially owned by Gennady Timchenko. SIBUR’s main shareholders as of September 5, 2014 are: Leonid Mikhelson - 50.2% Kirill Shamalov - 21.3%, Gennady Timchenko - 15.3%, and SIBUR's current and former management (except Kirill Shamalov's share) - 13.2%.
In December 2015, Sinopec  completed the acquisition of a 10% stake in SIBUR as a strategic investor.
SIBUR identified and sold its non-core assets: the tire business and the mineral fertiliser business.
Leonid Mikhelson (majority shareholder), Gennady Timchenko, as well as the company's current and former CEOs Alexander Dyukov, Dmitry Konov, Mikhail Karisalov, and Mikhail Mikhailov became SIBUR's core shareholders.
A phased sale of SIBUR to businessman Leonid Mikhelson began.
Expansion and modernisation of existing capacity, optimisation and efficiency improvement.
SIBUR shares owned by Gazprom were sold to Gazfond in exchange for energy assets.
The Group was streamlined into three business lines operating as divisions: Hydrocarbon Feedstock, Synthetic Rubber and Plastics & Organic Synthesis. The tire and mineral fertilizer businesses were separated into new holding companies with a great deal of operational autonomy. SIBUR started the implementation of its 2015 capital investment programme with the objective to drive strong profitable growth.
Alexander Dyukov was appointed head of Gazprom Neft.
The new CEO of SIBUR, Dmitry Konov, proposed a vision for SIBUR’s growth as a leader of Russia's gas processing and petrochemical industry.
As part of the final stage of vertical integration, a number of legal entities founded AKS Holding, which received the assets of AK SIBUR.
In December 2005, AKS Holding was renamed SIBUR Holding.
Gazprombank (75%) and Gazprom (25%) became the owners of SIBUR.
Alexander Dyukov appointed CEO of SIBUR.
Under his leadership, the company initiated a major reorganisation and established its long-term growth strategy. SIBUR's solvency was restored and the company's balance sheet and debt levels were stabilised.
SIBUR was unable to service its financial obligations, pay interest and repay debt.
The major creditor initiated bankruptcy proceedings. Gazprom pursued active debt restructuring procedures. An amicable agreement was signed with creditors.
During this period SIBUR significantly grew its asset base and created a management structure to oversee financial and production activities.
As a result of acquisitions, the company comprised nearly 60 Russian enterprises. Almost all acquisitions were purchased using funds borrowed from Gazprom or from commercial banks under Gazprom's guarantee.
The Russian Federal Property Fund sold the government's remaining stake.
SIBUR began its transformation into a vertically integrated gas refining and petrochemical group active across the full production cycle from feedstock processing to finished products. This integration had its origins in the structure of petrochemical industry cooperation in the former USSR.
SIBUR incorporated as "Siberian-Ural Petrochemical Company" (OAO AK SIBUR).

The company included assets of the former Sibneftegazpererabotka (now the gas processing plants¬ of SiburTyumenGaz), the gas processing plant in Perm (now part of Sibur-Khimprom) and the NIPIgaspererabotka Design Institute. 38% of the company remained state-owned for another three years.