SOURCE: The Doe Run Company

August 24, 2006 15:24 ET

Doe Run Peru Earns ISO 14001: 2004 Certification for Environmental Standards

First-Time Certification Recognizes Years of Improvements and Facility Upgrades

ST. LOUIS, MO -- (MARKET WIRE) -- August 24, 2006 -- Along with its subsidiary, Doe Run Peru, The Doe Run Company announced this week that for the first time in the facility's history, Doe Run Peru's La Oroya plant has attained the ISO 14001: 2004 environmental standard, earning a Certificate of Recognition from the third-party environmental auditing firm SRI International. The certification recognizes the environmental safeguards, procedures and management systems in place at the company's La Oroya metallurgical complex, one of the world's only multi-metal processing facilities.

"Since December 2005, we have been working diligently on this certification process, which represents an internationally recognized standard for environmental performance and systems," explained Jose Mogrovejo, vice president of environmental affairs at Doe Run Peru. "We are very proud of what we've been able to accomplish as a team, and ISO 14001: 2004 certification is a significant milestone in delivering on our commitments to our communities, our employees and the environment."

Not only is certification a tangible demonstration of Doe Run Peru's pledge to improve environmental performance, but according to Mogrovejo, certification directly resulted from the company's structured Environmental Management System, which Doe Run Peru began implementing upon its arrival in 1997 to prevent, reduce or eliminate the environmental impact of its activities, products and services.

Doe Run Peru plans to continue with additional environmental improvements and by December 2006 will have invested more than $108 million, exceeding its initial commitment set in 1997.

About ISO 14001: 2004

ISO 14001: 2004 is an internationally recognized environmental management system standard set by the International Standards Organization, concerning what an organization does to minimize harmful effects on the environment caused by its activities and achieving continual improvement of its environmental performance. ISO 14001: 2004 outlines several key requirements in its environmental management system. The five major elements are Environmental Policy, Planning, Implementation and Operations, Checking and Corrective Action, and Management Review. Generally, the advantages to be gained through the implementation of ISO 14001: 2004 include risk reduction, cost reductions and competitive advantages. ISO standards are implemented by more than 540,000 organizations in 160 countries. For more information, visit http://www.iso.ch.

About The Doe Run Company

Based in St. Louis, The Doe Run Company is a privately held natural resources company dedicated to environmentally responsible mineral production, metals fabrication, recycling and reclamation. The company and its subsidiaries deliver products and services needed to provide power, protection and convenience through premium products and associated metals including lead, zinc, copper, gold and silver. As the operator of one of the world's only multi-metal facilities and the Americas' largest integrated lead producer, Doe Run employs more than 5,000 people, with U.S. operations in Missouri, Washington and Arizona, and Peruvian operations in Cobriza and La Oroya. Committed to sustainable development, The Doe Run Company has helped bring electrical power, business training, educational opportunities and improved telecommunications to rural communities in Peru and the U.S. For more information, visit http://www.doerun.com.

"Safe Harbor" Statement under the Private Securities Litigation Reform Act of 1995: Statements in this press release that are not historical facts are "forward-looking statements." These forward-looking statements may be significantly impacted, either positively or negatively, by various factors, including without limitation, the Company's ability to satisfy its debt and environmental obligations, regulatory compliance with local state and federal governmental agencies, financing sources, potential and actual litigation, weather, permits, raw materials cost, competition and business conditions in the mining and recyclable industries. As a result, the forward-looking statements are subject to numerous risks and uncertainties that could cause actual results to differ materially from those expressed in or implied by the statements herein. For a discussion of such risks and uncertainties, see the risk factors set forth in the Company's Annual Report on Form 10-K for the most recently ended fiscal year.

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