Aperam S.A.

Pre-Annual General Meeting Information • Apr 8, 2013

Aperam announces the publication of the convening notice for its annual general meeting of shareholders

Luxembourg, 8 April 2013 - Aperam announces the publication of the convening notice for its annual general meeting of shareholders to be held on Wednesday 8 May 2013 at 3pm at Hotel Le Royal at 12, Boulevard Royal, L-2449 Luxembourg, Grand-Duchy of Luxembourg.

Shareholders entitled to vote are those who are shareholders of Aperam on the record date of 24 April 2013 at midnight (12pm) Central European Time and 6pm New York time.

The convening notice, Aperam's annual report 2012, the participation forms and other shareholding materials are available on www.aperam.com under "About" - "Investors & shareholders" - "8 May 2013 - Annual General Meeting of Shareholders".

About Aperam

Aperam is a global player in stainless, electrical and specialty steel, with operations in more than 40 countries.

The business is organized in three divisions: Stainless & Electrical Steel, Services & Solutions and Alloys & Specialties. Aperam has 2.5 million tonnes of flat stainless steel capacity in Brazil and Europe and is a leader in high value added niches - alloys and specialties. Aperam has a highly integrated distribution, processing and services network and a unique capability to produce stainless and specialty from low cost biomass (charcoal).

Its industrial network is concentrated in six main plants located in Brazil, Belgium and France. Aperam has about 9,800 employees. Aperam commits to operate in a responsible way with respect to health, safety and the wellbeing of its employees, contractors and the communities in which it operates. It is also committed to the

sustainable management of the environment and of finite resources. In 2012, Aperam had revenues of USD 5.3 billion and shipments of 1.68 million tonnes.

For further information, please refer to our website at www.aperam.com

Contacts:

Investor Relations - Laurent Beauloye: +352 27 36 27 36 Corporate Communications - Jean Lasar: +352 27 36 27 27