ARGEX APPOINTS HEAD OF TiO2

PIGMENT DEVELOPMENT

Montreal, Quebec – May 1st, 2013 – Argex Titanium Inc. (TSX-V: RGX) (“Argex” or the “Company”)

is pleased to announce the appointment of Peter Waugh as Head of TiO2 Pigment Development. The appointment is effective immediately.

“We are delighted to welcome Peter Waugh to the Argex team. Peter’s is a veteran in the TiO2 industry and has worked with some of the top producers in the world,” stated Roy Bonnell, President and CEO of Argex Titanium. “Peter will lead the development team at our Valleyfield facility and he will be actively involved in our business as we approach full commercial production.”

Mr. Waugh brings over 30 years experience in the mineral and chemical industries to Argex. For more than 20 years, he held senior roles, including that of Technical Director, with major TiO2 pigment supplier Tioxide which became Huntsman Pigments, where his work involved the commercial production of pigments and raw materials used in titanium dioxide.

A project leader in manufacturing process improvement, Mr. Waugh is an experienced practitioner of Lean Six Sigma, which is widely recognized by businesses around the world to improve operational productivity and competitiveness. During his career, he has taken the lead in a number of global continuous improvement projects in the manufacturing sector.

He holds a degree in Mining Geology from Imperial College in London England and is currently pursuing a Master’s degree at Durham University Business School

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On April 3, 2012, Argex announced the signing of a technology collaboration with PPG Industries, the second largest paint company in the world, to develop and optimize pigment grade TiO2 for paints and coatings. They will combine PPG’s coatings technology and expertise with Argex’s TiO2 proprietary processing technology. The TiO2 is intended to be compatible with various end-use applications for PPG and would be produced by Argex. Argex and PPG have agreed to certain terms of mutual exclusivity during the negotiation period of the purchase and supply agreement