2014 SUSTAINABILITY REPORT

All information is fully disclosed, unless otherwise indicated.

Strategy and Analysis

1.1

Message from the CEO

Organizational Profile

2.1

Name of the organization

The Doe Run Resources Corporation/DBA The Doe Run Company

2.2

Primary brands, products

2.3

Operational structure

2.4

Location of headquarters

St. Louis, Missouri, United States

2.5

Countries where the organization operates

United States (Missouri, Arizona and Washington)

2.6

Nature of ownership and legal form

The Doe Run Resources Corporation is a corporation, which is an indirect subsidiary of The Renco Group.

2.7

Markets served

Primary customers served include battery manufacturers in the U.S.; concentrates are sold globally. Organizational Profile

2.8

Scale of the reporting organization

As a private company, net sales, net revenue and total capitalization is proprietary information and viewed as business confidential. Organizational Profile, Financial Highlights

2.9

Significant changes

2.10

Awards received

Report Parameters

3.1

Reporting period

2014

3.2

Date of most recent previous report

Published in August 2014

3.3

Reporting cycle

Calendar (Fiscal year reporting is noted where appropriate.)

3.4

Contact point

3.5

Process for defining report content

3.6

Boundary of the report

All Doe Run entities have been reported. The report is based on GRI G3.1 Level C guidelines.

3.7

Any specific limitations on the scope or boundary of the report

All sizeable economic, environmental and social impacts required for G3.1 Level C are included either in the stories or the data.

3.8

Basis for reporting on joint ventures, subsidiaries, leased facilities, outsourced operations and other entities

Data covers Missouri-based production facilities, and a subsidiary in Arizona and Washington, unless otherwise noted.

3.10

Explanation of the effect of any re-statements of information provided in earlier reports, and the reasons for such re-statement

See footnotes on Environmental Performance

3.11

Significant changes from previous reporting periods

None

3.12

GRI Content Index

GRI Index

Governance, Commitments and Engagement

4.1

Governance structure of the organization

4.2

Indicate whether the Chair of the highest governance body is also an executive officer

No

4.3

State the number of members of the highest governance body who are independent and/or non-executive members

4.4

Mechanisms for shareholders and employees to provide recommendations or direction to the highest governance body

4.14

List of stakeholder groups engaged by the organization

4.15

Basis for identification and selection of stakeholders with whom to engage

Environmental

EN1

Materials used by weight or volume

EN2

Percentage of materials used that are recycled input materials

EN3

Direct energy consumption by primary energy source

EN4

Indirect energy consumption by primary source

EN16

Total direct and indirect greenhouse gas emissions by weight

EN17

Other relevant indirect greenhouse gas emissions by weight

EN20

NOX, SO2 and other significant air emissions by type and weight

EN21

Total water discharge by quality and destination

Optimizing Environmental Investments (Partially Disclosed)

EN28

Monetary value of significant fines and total number of non-monetary sanctions for noncompliance with environmental laws and regulations

Doe Run paid no ($0) significant fines for noncompliance with environmental laws and regulations in 2014.

EN30

Total environmental protection expenditures and investments by type

Social

SO1

Local community engagement, impact assessments and development programs

All operations implement a localized community engagement plan. Listening to Our Community

SO8

Monetary value of significant fines and total number of non-monetary sanctions for noncompliance with laws and regulations

In 2014, Doe Run paid approximately $262,999 in fines and non-monetary sanctions related to laws and regulations.

Labor Practices and Decent Work

LA1

Total workforce by employment type, employment contract, and region, broken down by gender

LA2

Total number and rate of new employee hires and employee turnover by age group, gender and region

Workforce Summary (Partially Disclosed)

LA7

Rates of injury, occupational diseases, lost days, and absenteeism, and number of work-related fatalities by region and by gender

Health and Safety Performance (Partially Disclosed)

LA8

Education, training, counseling, prevention and risk-control programs in place to assist workforce members, their families or community members regarding serious diseases

Companywide, employees completed more than 18,900 health and safety training hours in 2014, with approximately 4,500 hours focused on health. In addition, SEMO employees receive 40 hours of in-depth training on Mine Safety and Health Administration (MSHA) guidelines when they join Doe Run.

Economic

EC1

Direct economic value generated and distributed, including revenues, operating costs, employee compensation, donations and other community investments, retained earnings, and payments to capital providers and governments

Financial Highlights (Partially Disclosed)

EC6

Policy, practices and proportion of spending on locally based suppliers at significant locations of operation

EC8

Development and impact of infrastructure investments and services provided primarily for public benefit through commercial, in-kind or pro bono engagement

Product Responsibility

PR9

Monetary value of significant fines for noncompliance with laws and regulations concerning the provision and use of products and services

Doe Run paid no ($0) significant fines for noncompliance concerning provision and use of products and services in 2014.