Creating a Sustainable Energy Future for Everyone

2022 Sustainability Report

2022 Performance Highlights

95%

Achieved an average overall customer satisfaction rating of 95% over the past five years

Forbes’ List

Southwest Gas named to list of Best-in-State Employers for 2022

$1.2M

Invested $1.2 million in research, design and development (“RD&D”) focused on mitigating emissions and future clean energy technologies

10,000

Saved enough energy over the past five years to power nearly 10,000 homes for one year through energy-efficiency programs

28M

Delivered 28 million therms of natural gas for vehicles in place of diesel – the equivalent of avoiding more than 59,000 metric tons of GHG emissions

$1.17M

Distributed $1.17 million to 360 nonprofits and charitable organizations via the Southwest Gas Foundation

A Message from Our CEO

We recognize the important role we have in creating solutions that accelerate a sustainable future for those we serve while delivering long-term value to our stockholders.

Karen S. Haller
President and Chief Executive Officer

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RELEVANT SDGs

Goal 4:

Quality Education

Ensure inclusive and equitable quality education and promote lifelong learning opportunities for all

Goal 5:

Gender Equality

Achieve gender equality and empower all women and girls

Goal 7:

Affordable and Clean Energy

Ensure access to affordable, reliable, sustainable and modern energy for all

Goal 8:

Decent Work and Economic Growth

Promote sustained, inclusive and sustainable economic growth, full and productive employment and decent work for all

Goal 9:

Industry, Innovation and Infrastructure

Build resilient infrastructure, promote inclusive and sustainable industrialization and foster innovation

Goal 10:

Reduced Inequalities

Reduce inequality within and among countries

Goal 13:

Climate Action

Take urgent action to combat climate change and its impacts

Environmental Social Governance

Environmental

Southwest Gas provides customers with one of the cleanest, most reliable and affordable sources of energy available today. We will continually strive to provide services in a safe and environmentally responsible manner and protect and preserve natural resources.

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81%

Replaced 81% of miles of early vintage plastic pipes

18%

Reduced excavation damages to pipelines by 18% between 2019 and 2021

17%

17% of Southwest Gas’s service fleet is powered by compressed natural gas

25%

Centuri continues to work towards its GHG reduction target by installing advanced telematics in fleet vehicles to improve efficiencies

Governance

Clear management accountability and active oversight from our Board of Directors are essential for effectively mitigating risk, serving the interests of stakeholders and creating long-term, sustainable value.

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First Female CEO

Appointed Karen S. Haller Southwest Gas Holdings’ first female President and CEO

55%

Increased female representation on Board to 55%

Commitments

Adopted three public commitments – sustainability, environmental and human rights – to ensure we continually strive to exceed stakeholder expectations

Zero Cyber Incidents

Experienced no material cybersecurity breaches of pipelines, local distribution networks, company information, customer information or other significant assets or systems

TCFD

Conducted gap analysis of the Company’s climate-related risks and opportunities and disclosed to the Task Force on Climate-related Financial Disclosures (TCFD) framework for the first time

Intro Sustainability Environmental Human Rights

A Message from Our Sustainability Officer

We are building a sustainability program that continuously pushes us to improve so that we exceed the expectations of customers and other stakeholders. The Company’s public commitments guide our efforts to achieve its sustainability mission and vision.

Sustainability – To support our goal of being first-in-class in safety, stewardship and performance, we established targets to achieve above–industry average safety performance. For each business segment, these include the following goals:

Centuri – Days Away, Restricted or Transferred (“DART”) rate of less than 0.9 per 1 million hours worked
Southwest Gas – Less than 1.0 pipeline damages per 1,000 dig request tickets submitted
MountainWest – DART rate of less than 1.38 per 1 million hours worked

Laura S. Nelson, Ph.D.
Vice President of Sustainability and Public Policy

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Featured Stories

Learn more about our efforts to keep people safe, support the clean energy transition and build the next generation of diverse leaders in the following feature stories.

Southwest Gas Lab Instrumental in Understanding Pipeline Integrity

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RNG: A Promising Solution to the Energy Transition

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Partnering with Local Educational Institutions to Develop Next Generation of Business Leaders

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Awards and Recognition

Southwest Gas ranked highest in Customer Satisfaction with both Business and Large Residential Natural Gas Utilities in the West in the J.D. Power 2022 U.S. Gas Utility Residential and Business Customer Satisfaction Studies.

Southwest Gas named to Forbes’ list of Best-in-State Employers for 2022.

Centuri’s NPL business awarded “Outstanding Corporate Partner of the Year” by the Federation of Women Contractors.

Southwest Gas received the Western Regional Minority Supplier Development’s “Warrior” and “Impact” awards.

Centuri moved up to No. 4 on Engineering News-Record’s (“ENR”) annual Top 600 Specialty Contractors list in the Utility category. Riggs Distler, the newest member of the Centuri family, ranked No. 11 in the same category.

Received the Arizona Hispanic Chamber of Commerce’s Million Dollar Circle of Excellence for Southwest Gas’ supplier diversity program.

Frameworks and Disclosures

2022 Sustainability Report

Southwest Gas Holdings

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