Annual SafeUp®

Training

Overview

1.EHS Vision

2.Introducing SafeUp®

3.Amentum EHS Principal Policy

4.New Amentum Standards of Safety Performance

5.EHS Management System Framework

EHS Vision

We relentlessly pursue Environmental, Health & Safety (EHS) excellence through our comprehensive program.

The well-being of our people and protection of the environment takes precedence over all other business concerns.

Our business and mission success are dependent on safeguarding our employees, contractors, customers, and the communities in which we work.

EHS is the key leading indicator for operational performance and enables a culture of quality, integrity, and achievement.

John VollmerChief Executive Officer

Amentum

Named “One of America’s Safest Companies” by Environmental Health & Safety Today magazine

Recognized hundreds of times by the National Safety Council since 2010. Awards include:

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• Industry Leader Award – 39 awards for projects having the lowest injury rate in the industry.• Occupational Excellence Achievement – 378 awards for projects having injury rates 50% below industry average.• Perfect Record – 284 awards for projects completing 12 consecutive months without an injury or illness • Million Work Hour – 84 awards for projects working one million consecutive hours without an injury or illness that

resulted in days away from work.• Safety Leadership –59 awards for projects working 5 consecutive years without an injury or illness that resulted in

days away from work.• Superior Safety Performance – 23 awards for projects working 10 consecutive years without an injury or illness

that resulted in days away from work.

13 projects have received the OSHA Voluntary Protection Program (VPP) Star Award for their exemplary efforts in occupational safety and health since 2010

We are committed to your safety

SafeUp® is the trademark name of our safety program at Amentum and our approach to achieving EHS excellence across our diverse portfolio of worldwide operations

Achieving excellence requires more than just a management system. Despite a diverse portfolio of worldwide operations, Amentum’s expectations for superior safety performance are consistent throughout our operations.

At Amentum, we believe that EHS Excellence is achievable, and we expect all personnel to embrace the four SafeUp® principles; Lead EHS at all Levels, Empower Employees, Manage Operational Risk, and Advance Organizational Learning

SafeUp® creates consistent expectations, tools, and training that will lead to superior safety performance and consistency throughout the company

SafeUp® will be our standard for achieving EHS excellence and reaching new levels in protecting our people from harm.

With SafeUp®, every employee has the opportunity to Be Safe, Be Well, and Excel

What is ?

EHS Policy

• This Policy establishes the fundamental direction for Environmental, Health & Safety (EHS) programs to safeguard our employees, contractors, customers, and the communities in which we work.

• This guidance, as well as that stipulated by contract, shall be followed unless work is performed under an equivalent or more protective EHS system approved by the Senior Vice President (SVP), EHS.

Principles of EHS Excellence

Lead EHS at all Levels

Empower Employees

Manage Operational Risk

Advance Organizational Learning

Principles of EHS Excellence

Managers and Supervisors execute our EHS program, safeguard employees, and foster an environment

where everyone is a safety champion. We will prevent incidents and injuries by using risk-informed,

conservative decision-making.

EHS Program Expectations:

• Integrate EHS programs throughout operations to control risk and deliver operational excellence

• Allocate budget and staff for safe planning and execution of work

• Openly communicate with employees and create an environment free from retribution

• Engage with employees when and where the work is being performed

• Recognize and reward positive EHS behaviors and results

Lead EHS at all Levels1

We foster an environment where safety is embraced and acted upon by every employee. Employees actively

engage in development of safe work practices and EHS improvements. Everyone will show care for people

and have the courage to speak up about unsafe work practices.

EHS Program Expectations:

• Participate in work planning and contribute expertise to EHS improvements

• Observe workplace conditions and work practices, speaking up to prevent injuries

• Identify and communicate hazards of daily work activities

• Mitigate hazards by using appropriate controls to prevent EHS incidents

• Stop or pause work if a task is unsafe or poses a danger to the environment

Principles of EHS Excellence

2 Empower Employees

We recognize, evaluate and manage risks to develop effective controls and provide safe and healthy working conditions to prevent incidents, injuries, illnesses, and environmental pollution. All EHS risks will be reduced to levels as low as reasonably achievable.

Expectations:

• Implement our comprehensive EHS program to protect people and preserve facilities, property, equipment and the environment

• Apply risk assessment programs to control risks across the company and on each project, job and task

• Manage work activities involving the eight critical risks with substitution, elimination or engineering controls

• Evaluate EHS programs for regulatory compliance and effectiveness of incident prevention

• Adhere to the Standards of Safety Performance to achieve zero incidents and injuries

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Principles of EHS Excellence

Manage Operational Risk

We continually improve our EHS system and work processes through performance monitoring, sharing of lessons learned, and creating best practices. EHS expectations and knowledge will be openly communicated and shared throughout the organization. We challenge existing work practices and develop innovative solutions to optimize performance.

Expectations:

• Promote a questioning attitude for employees to avoid complacency and challenge existing work practices

• Provide a system for open reporting and resolution of EHS observations, issues and incidents

• Investigate EHS incidents and near misses to identify contributing factors and root causes to prevent recurrence

• Provide effective training programs to instill EHS knowledge and optimize safe work practices

• Drive business and mission performance with innovative EHS solutions

4 Advance Organizational Learning

Principles of EHS Excellence

Managing the 8 Critical Risks

We recognize 8 critical risks at Amentum. Significant incidents in our business are a result of these risks

Managing and controlling these critical risks is how we live up to the first Amentum Value, to Live Safe and is an expectation for all Amentum personnel.

1. Uncontrolled Release of Non-Electrical Stored Energy

2. Impact with Vehicle or Mobile Equipment

3. Contact with Moving Parts and Machinery

4. Fall of Person

5. Fall of Material/Object

6. Failure of Lifting Equipment

7. Severe Physical Illness to Workers or Public

8. Uncontrolled Release of Electricity

Standards of Safety Performance We empower our people to always embrace safety first in order to be well, excel at our mission, and achieve business success. As a Condition of Employment in the fulfillment of duties as an Amentum employee, it is the responsibility of each employee to:

1.Comply with all applicable laws, regulations and company programs and procedures related to the Environmental, Health & Safety (EHS) aspects of the work we perform and the facilities we control.

Be responsible for your own safety as well as the safety of those working with and around you.

When you believe an EHS violation exists or that a situation poses the potential for physical harm or imminent danger affecting Amentum employees, its clients, subcontractors, general contractors, or the public, stop work and report the situation to a supervisor or manager with no fear of retribution

Immediately report to a supervisor 1) all occupational injuries and illnesses, no matter how minor and obtain management approval prior to seeking medical treatment for all non-emergency work-related injuries and illnesses and 2) any prescription medication that may affect your ability to work safely or operate machinery (including driving a vehicle).

Perform a Task Hazard Assessment (THA) before engaging in any physical activity that has one or more hazards associated with it.

Wear all furnished Personal Protective Equipment (PPE) in accordance with manufacturer instructions and applicable regulations. Always inspect equipment before each use.

Wear installed seat belts and shoulder harnesses when operating or riding in any vehicle on company business. Do not use a personal or company Mobile Communication Device (MCD) while driving a company vehicle, use a company MCD while driving a personal vehicle, or use a personal MCD while driving a personal vehicle on company business.

Only operate, perform maintenance or repair of equipment if properly trained and/or certified to operate, maintain and/or repair the equipment. Operate all vehicles and equipment in accordance with applicable regulations and manufacturer’s instructions.

Do not remove, damage, disable, or make ineffective any protective safety equipment, guarding, fire-fighting equipment, or first aid equipment.

Standards of Safety Performance

Report, remove from service, or have repaired any tool or equipment that is damaged, not working properly, or may otherwise be hazardous if used.

Complete all safety training required for your job function or tasks, including training that is specific to tools, equipment, or vehicles to be used.

Maintain good housekeeping at all times, keeping work areas neat, clean, and free of hazards. Never participate in horseplay of any kind while on the job or on company premises.

Remain alert at all times, heed all warning signs and posted safety instructions, and follow all work area guidelines and regulations for employee and environmental protection.

Standards of Safety Performance

Standards of Safety Performance

Every employee shall sign an acknowledgement that they have read and understand the Amentum Standards of Safety Performance upon completion of SafeUp® training.

Standards of Safety PerformanceAcknowledgement Form

Amentum EHS Policy, Procedure & Instruction (PPI) Structure

EHS Principal Policy - 03.000-000.000

EHS Policy - 03.100-000.000

•Lead EHS at All Levels - 03.100-001.000 Incident Reporting and Claims Management - 03.100-010.000

•Empower Employees - 03.100-002.000 Incident Investigation and Root Cause Analysis - 03.100-011.000Manage Operational Risk - 03.100-003.000 Recognition and Rewards - 03.100-012.000

•Advance Organizational Learning - 03.100-004.000 Projects with Elevated EHS Risk - 03.100-013.000

•EHS Regulatory Governance - 03.100-005.000 Pre-Bid EHS Risk and Transition Planning - 03.100-014.000

•Environmental Compliance - 03.100-006.000 Performance Monitoring and Metrics - 03.100-015.000

Standards of Safety Performance - 03.100-007.000 Records Management and Retention - 03.100-016.000 EHS

•Compliance Assurance - 03.100-008.000 Subcontractor Management - 03.100-017.000

Emergency Response Planning - 03.100-009.000 EHS Manual Authorization - 03.100-018.000

EHS Procedures

EHS Manual - 03.100-018.100

Quiz

What is SafeUp®?

a. It is the trademark name of our safety program at Amentum and our approach to achieving EHS excellence across our diverse portfolio of worldwide operations

b. It consists of the four principles; Lead EHS at all Levels, Empower Employees, Manage Operational Risk, and Advance Organizational Learning

c. It creates consistent expectations, tools, and training that will lead to superior safety performance and consistency throughout the company

d. It is our standard for achieving EHS excellence and reaching new levels in protecting our people from harm.

e. All of the above

Principles of EHS Excellence

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Implementing a comprehensive EHS program to protect people and preserve facilities, property, equipment and the environment is part of which Principle?

a. Lead EHS at all Levels

b.Empower Employees

c. Manage Operational Risk

d.Advance Organizational Learning

Managing the 8 Critical Risks

Which of the following is not one of the 8 Critical Risks?

a. Uncontrolled Release of Non-Electrical Stored Energy

b. Impact with Vehicle or Mobile Equipment

c. Contact with Moving Parts and Machinery

d. Fall of Person

e. Fall of Material/Object

f. Emergency Response

g. Failure of Lifting Equipment

h. Severe Physical Illness to Workers or Public

i. Uncontrolled Release of Electricity

Principles of EHS Excellence

Which of the following is not one of the Amentum Principles of EHS Excellence?

a. Lead EHS at all Levels

b.Manage EHS Programs

c. Empower Employees

d.Manage Operational Risk

e.Advance Organizational Learning

Standards of Safety Performance

The Standards of Safety Performance is a condition of employment and applies to every Amentum employee.

a. True

b. False