Aperam S.A.

Report Publication Announcement • Aug 7, 2013

Aperam announces publication of its Half-Year Report 2013

Luxembourg, 7 August 2013 - Aperam has today published its Half-Year Report for the six month period ended 30 June 2013.

The report is available in the Luxembourg Stock Exchange's electronic database OAM on www.bourse.lu and on http://www.aperam.com under Investors & shareholders, Aperam Financial Reports.

About Aperam

Aperam is a global player in stainless, electrical a nd specialty steel, with operations in more than 30 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 stee l capacity in Brazil and Europe and is a leader in high value added niches - alloys and specialties.

Aperam has a highly integ rated 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 well-being 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

Corporate Communications / Jean Lasar: +352 27 36 27 27 Investor Relations / Romain Grandsart: +352 27 36 27 36