MECHEL SUPPLIES STEEL FOR CONSTRUCTION OF POWER OF SIBERIA AND ALTAI GAS
PIPELINES

Moscow, Russia — June 29, 2015 – Mechel OAO (MICEX:MTLR, NYSE: MTL), one of the
leading Russian mining and metals companies, reports supplying rebar, structural
shapes and hardware rolls for construction of Power of Siberia and Altai gas
pipelines.
Mechel’s products are used to produce ferroconcrete weights manufactured by
Berezovsky Structural Construction Plant for laying major mainline pipelines of
national importance — Power of Siberia and Altai.
The ferroconcrete weights are installed on pipes up to 1,420mm in diameter and
are used to balance oil and gas pipelines when crossing over swamps, rivers and
other water barriers, not allowing the pipes to float up to the surface.
Most of the steel products supplied were produced at Chelyabinsk Metallurgical
Plant.
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Mechel OAO
Ekaterina Videman
Tel: + 7 495 221 88 88
ekaterina.videman@mechel.com
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Mechel is an international mining and steel company which employs 67,000 people.
Its products are marketed in Europe, Asia, North and South America, Africa.
Mechel unites producers of coal, iron ore concentrate, steel, rolled products,
ferroalloys, heat and electric power. All of its enterprises work in a single
production chain, from raw materials to high value-added products.
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Some of the information in this press release may contain projections or other
forward-looking statements regarding future events or the future financial
performance of Mechel, as defined in the safe harbor provisions of the U.S.
Private Securities Litigation Reform Act of 1995. We wish to caution you that
these statements are only predictions and that actual events or results may
differ materially. We do not intend to update these statements. We refer you to
the documents Mechel files from time to time with the U.S. Securities and
Exchange Commission, including our Form 20-F. These documents contain and
identify important factors, including those contained in the section captioned
“Risk Factors” and “Cautionary Note Regarding Forward-Looking Statements” in our
Form 20-F, that could cause the actual results to differ materially from those
contained in our projections or forward-looking statements, including, among
others, the achievement of anticipated levels of profitability, growth, cost and
synergy of our recent acquisitions, the impact of competitive pricing, the
ability to obtain necessary regulatory approvals and licenses, the impact of
developments in the Russian economic, political and legal environment,
volatility in stock markets or in the price of our shares or ADRs, financial
risk management and the impact of general business and global economic
conditions.