SUSTAINABILITY COMMITMENT

Centuri Group, Inc. is a subsidiary of Southwest Gas Holdings, Inc. Driven by similar values we co-developed and share our Environmental and Sustainability Commitments.

Southwest Gas Holdings, Inc. (“Company”) is committed to safety, caring for the environment, providing affordable energy options for customers, supporting our local communities, being an employer of choice and creating economic value through sustainable and responsible business practices.

SAFETY

Our top priority is the safety of employees, customers and the general public. We foster a strong culture of safety where employees are empowered to embrace personal responsibility for the safety of themselves, their colleagues and the communities they serve. The Company requires strict occupational health and safety practices in accordance with regulatory and industry standards. Employee knowledge of and engagement in health and safety practices is achieved through ongoing training and communication.

ENVIRONMENT

We are dedicated to our environment through practices that provide our customers and communities with energy solutions and technologies that are balanced and environmentally friendly. We are devoted to stewarding our natural resources for generations to come, through programs such as methane emissions abatement best practices, vehicle emissions reduction, pipeline integrity management and energy-efficiency initiatives.

CUSTOMERS

Earning and maintaining our customers’ trust is key to sustaining a strong future. Our goal is to ensure positive experiences at every customer touchpoint. We are dedicated to continuously providing reliable and affordable energy solutions today and into the future.

COMMUNITY

We are dedicated to supporting the communities in which we live and work. Through our philanthropic giving and volunteering, we are committed to creating a better quality of life for those in need. We seek to enhance trusted relationships with community stakeholders.

EMPLOYEES

We are dedicated to making our Company an employer of choice. Employees are our most valued asset. We encourage the career development of our employees and offer tools and resources to help them achieve their professional goals. Employees may take advantage of skills-based training, continuing education, leadership development and other programs for their benefit. We are committed to promoting a safe, positive workplace and embrace a culture of diversity, equity and inclusivity that protects all employees regardless of race, color, religion, sex, sexual orientation, national origin, age, disability, pregnancy, veteran status or any other non-job-related characteristic.

SUPPLIERS

We encourage all suppliers and contractors to foster a commitment to a more sustainable supply chain. We require all suppliers and contractors doing business with our Company, to the extent applicable, to comply with the Company’s Code of Business Conduct and Ethics or subsidiary Vendor Code of Conduct.

ECONOMIC VALUE

As a core component of our strategy, we are committed to driving long-term value creation for customers, employees and our stockholders. We seek to sustain and grow the economies where we operate by creating jobs, providing energy infrastructure, helping local businesses and contributing to the tax base.