PRESS RELEASE 1 (1) September 7, 2007 Studsvik signs teaming agreement with Waste Control Specialists LLC (WCS) Studsvik and WCS has entered into a teaming agreement for the treatment and storage of Class B & C Low-Level Radioactive Waste in the USA. The teaming agreement includes waste processing and stabilization by Studsvik and storage at the WCS facility in Texas. WCS has applied for the necessary permits to store B & C low-level waste at the Texas facility. Subject to successful completion of the licensing process, revenues related to the agreement are expected at the earliest during the second half of 2008. For more information please call: Magnus Groth, CEO Studsvik AB, +46 (0)155 22 10 86 or cell phone + 46 (0) 709 677 086 Lewis Johnsson, president Studsvik Inc., +1 423 735 6300 or cell phone +1 678 549 8958 Facts about Studsvik Studsvik is a leading service supplier to the international nuclear industry. The company has 60 years experience of nuclear technology and radiological services. Studsvik addresses a market in strong growth with specialized services in four Strategic Business Areas: Waste Treatment, Decommissioning, Operating Efficiency and Service and Maintenance. Studsvik has 1,200 employees in 7 countries and the company’s shares are listed on the OMX Nordic Stock Exchange Stockholm AB, MidCap. Facts about Waste Control Specialists LLC The WCS facility in Andrews County, Texas is licensed for the processing, storage and disposal of a broad range of hazardous, toxic and certain types of low-level and mixed low-level radioactive waste. WCS is a subsidiary of Valhi, Inc. (NYSE: VHI). Valhi is engaged in the titanium dioxide pigments, component products (security products, furniture components and performance marine components) and waste management industries. .