AMSTERDAM, Netherlands, June 6, 2014 (GLOBE NEWSWIRE) -- AMG Advanced Metallurgical Group N.V. ("AMG", EURONEXT AMSTERDAM: "AMG") announces that it has agreed to an amendment to modify the tangible net worth covenant in its existing revolving credit facility with its banking syndicate. This extends the amendment received in September 2013 for the remainder of the term of the credit facility, through April 2016. About AMG AMG creates and applies innovative metallurgical solutions to the global trend of sustainable development of natural resources and CO2 reduction. AMG produces highly engineered specialty metal products and advanced vacuum furnace systems for the Energy, Aerospace, Infrastructure, and Specialty Metals and Chemicals end markets. AMG Processing develops and produces specialty metals, alloys, and high performance materials. AMG is a significant producer of specialty metals, such as ferrovanadium, ferronickel-molybdenum, aluminum master alloys and additives, chromium metal and ferrotitanium, for Energy, Aerospace, Infrastructure and Specialty Metal and Chemicals applications. Other key products include specialty alloys for titanium and superalloys, coating materials and vanadium chemicals. AMG Engineering designs and produces advanced vacuum furnace systems, and operates vacuum heat treatment facilities, primarily for the Aerospace and Energy (including solar and nuclear) industries. Furnace systems produced by AMG include vacuum remelting, solar silicon melting and crystallization, vacuum induction melting, vacuum heat treatment and high pressure gas quenching, turbine blade coating and sintering. AMG also provides vacuum case-hardening heat treatment services on a tolling basis. AMG Mining produces critical materials utilizing its secure raw material sources in Africa, Asia, Europe, and South America. AMG Mining produces critical materials such as high purity natural graphite, tantalum, antimony and silicon metal. These materials are of significant importance to the global economy and are available in limited supply. End markets for these materials include electronics, energy efficiency, green energy, and infrastructure.