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Date: August 7, 2025

Company: Copper World, Inc.

About Hudbay:

Hudbay (TSX, NYSE: HBM) is a copper-focused mining company with three long-life operations and a world-class pipeline of copper growth projects in tier-one mining-friendly jurisdictions of Canada, Peru and the United States.

Hudbay’s operating portfolio includes the Constancia mine in Cusco (Peru), the Snow Lake operations in Manitoba (Canada) and the Copper Mountain mine in British Columbia (Canada). Copper is the primary metal produced by the company, which is complemented by meaningful gold production. Hudbay’s growth pipeline includes the Copper World project in Arizona, the Mason project in Nevada (United States), the Llaguen project in La Libertad (Peru) and several expansion and exploration opportunities near its existing operations.

The value Hudbay creates and the impact it has is embodied in its purpose statement: “We care about our people, our communities and our planet. Hudbay provides the metals the world needs. We work sustainably, transform lives and create better futures for communities.” Hudbay’s mission is to create sustainable value and strong returns by leveraging its core strengths in community relations, focused exploration, mine development and efficient operations.

Mission:

To create sustainable value and strong returns by leveraging our core strengths in community relations, focused exploration, mine development and efficient operations.

Purpose of Role:

The Senior STP Engineer is responsible for developing, optimizing, and implementing daily, weekly, and monthly mine plans that ensure a safe, efficient, and cost-effective extraction of ore and waste in Hudbay Copper World open-pit mining operation. This role focuses on translating long-term strategic goals into actionable operational plans, managing geological and geotechnical constraints, and collaborating closely with mine operations, processing, geology, and other technical teams to maximize production and achieve key performance indicators.

Role Accountabilities:

• Mine Planning: Develop and implement strategic, long-term and short-term mine plans, ensuring

resource optimization and efficient production. Key accountabilities include:

•  Pit Design and Optimization
•  Strategic Schedule
• Ore Reserves Reporting
• Cost and Cutoff Grade Analysis
• Cash Flow Analyses
• Life-of-Mine Budgets and Forecasts: Prepare budgets and forecasts for the mine operation.
• Project Support: Provide mine planning support to the Copper World Integrated project team.
• Short-Term Mine Planning: Develop three-monthly, monthly, weekly, and daily mine plans.
• Facility Planning: Plan waste dumps, stockpiles, and the support of construction of other

facilities across all time horizons, from daily to life-of-mine.

• Drill and Blast Engineering: Plan of operation and ongoing improvements in drill and blast

engineering.

• Productivity Analyses: Conduct productivity analyses and improvement studies.
• Production Accounting: Oversee production accounting.
• Stockpile Inventory Accounting: Manage stockpile inventory accounting.
• Mine Equipment Studies: Conduct studies on mine equipment.
• Mine Surveying: Ensure compliance with survey operating standards.
• Technical Data: Compile and analyze technical data.
• Mine Model: Provide leadership and ownership of the Long-Term Planning and Medium-Term Planning

Block Models including coordinating the handover from Resource Modelers and the validation of data to

be used as a basis for Mine Design and Mine Planning.

• Team Leadership: Supervise and develop a team of mine planners, engineers, and other relevant staff,

ensuring they have the skills and knowledge to perform their roles effectively.

• Team development
• Coaching and Mentoring: Coach, mentor, and develop Senior Engineers to build both

technical and leadership skills.

• Operational Efficiency: Optimizes mine operations by ensuring that plans are practical, economical, and

meet all relevant standards and regulations.

• Budget Management: Manages the mine planning budget, ensuring that resources are allocated

effectively and efficiently.

• Project Support: Be part of the Copper World Integrated project team.
• Reporting and Communication: Provides regular reports to management on the status of mine plans,

schedules, and performance.

• Business Improvement: Participate in Identifying business improvement opportunities.
• Generate innovative solutions, which continuously improve the performance of existing

assets, products, services, or processes.

• Continuous Improvement: Identifies opportunities for improvement in mine planning processes and

operations, implementing changes to enhance efficiency and safety.

• Risk Assessment: Assess risks for all tasks and ensure they are controlled before and during task

execution.

• Health, Safety and Environmental compliance: Become familiar with and strictly adhere to Hudbay’s

Health, Safety and Environmental standards.

• Drive and develop the safety culture within the Mine Planning department,

ensuring all designs prioritize safe production.

• Act as a role model in complying with and supporting Hudbay’s Health, Safety and

Environmental standards and practices.

• Report all incidents and accidents, ensure they are investigated, and complete corrective

safety actions on time.

• Stakeholder Management: Liaises with various stakeholders, including other departments within the

company, government agencies, and community representatives. Develop and maintain constructive

relationships with internal stakeholders (Corporate, Projects, Operations, other.) and external

stakeholders (Regulatory Agencies and Authorities, Minerals Commission) to establish and adapt to

existing and changing societal and regulatory expectations and requirements.

Minimum Qualifications and Education:

• Bachelor’s degree: A degree in mining engineering is required.
• Advanced Degree: A post-graduate degree is considered a strong asset.
• Experience: A minimum of ten (10) years of proven experience in mine engineering in open pit

operations, of which are at least three (3) years at senior supervisory level within a technical

department.

• Specialized Mine Planning Software: Proficiency in mine design and planning software is essential;

demonstrated experience with HxGN MinePlan Products, MineMax Scheduler and Geovia Whittle is

advantageous.

• Reporting and Presentations: Proficient in the use of Microsoft Office software (Word, Excel, Power

point)

• Technical Expertise: Possesses a strong technical background in mining engineering, geology, surveying

and related fields, allowing for the effective design and implementation of mine plans.

• Communication Skills: Excellent communication skills are required.

NOTE: This job description is not intended to be all-inclusive. Employees may perform other related duties as needed to meet the ongoing needs of the organization.

Other Requirements:

Physical – The physical demands described here are representative of those that must be met by an employee to perform the essential functions of this job successfully. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

While performing the duties of this job, the employee is regularly required to talk or hear. The employee frequently is required to stand; walk; sit; use hands to finger, handle or feel; and reach with hands and arms. The employee is occasionally required to climb or balance; stoop, kneel, crouch, or crawl; and taste or smell. The employee must regularly lift and/or move up to 10 pounds, frequently lift and/or move up to 25 pounds, and occasionally lift and/or move up to 50 pounds. Specific vision abilities may be required for this position.

Work Environment – The work environment characteristics described here are representative of those an employee encounters while performing the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

The work environment will necessitate work near moving mechanical parts and outside weather conditions such as hot and/or dry conditions. Work will be conducted in locations where noise, fumes, dust, toxic or caustic chemicals, and vibration may exist.

Employee will be expected to drive a company vehicle, rental vehicle and/or his/her own vehicle in the course of performing the job,  Employee must be able to perform the physical functions of operating a motor vehicle, including use of eyes, ears, arms, hands, legs, and feet.  Employee must be able to prove that he/she has a current and valid driver's license.

 Why Hudbay?

• At Hudbay, our values of Dignity & Respect, Caring, Openness, and Trustworthiness are embedded into our culture by the way we work and how we interact with one another.
• We pride ourselves in providing our employees with competitive total rewards that include:
  1. Annual performance bonuses
  2. Affordable medical, dental and vision benefits for you and your family.
  3. Company paid Life insurance, AD&D, Short- & Long-term Disability. 
  4. 401(k) plan with employer contribution/match 
  5. An Employee Share Purchase Plan with contribution matching
  6. Employee Assistance Program
  7. Paid time off, paid sick time and holiday pay.
• Regular performance appraisals to acknowledge our employees for their contributions, strengths and work well done.

Hudbay is an Equal Opportunity Employer.   Candidates may be required to undergo educational and criminal background checks.  Chosen candidates will be requ