NiSource Reaffirms Commitment to a Diverse Energy Future with Launch of Multi-phase Hydrogen Blending Project

Initiative reaffirms customer, environmental benefits of blending hydrogen with natural gas

Charting a course to a sustainable energy future for all, NiSource Inc. (NYSE: NI) today announced the launch of a multi-phase hydrogen blending project – one of the first in the United States to use a blending skid in a controlled setting to mix hydrogen and natural gas at precise levels to determine optimal blend percentages and their environmental and consumer benefits.

Elected officials and community leaders joined NiSource President and Chief Executive Officer Lloyd Yates and other company officials on Oct. 5, at the program’s launch at the Columbia Gas of Pennsylvania Training Center’s Safety Town in Monaca, Pa., where the hydrogen blending skid has been constructed, to tout the possible benefits of this clean energy solution.

“At NiSource we believe that a balanced energy future is one where no one is left behind, and to achieve that goal, we must include a diverse portfolio of energy sources to meet our current and future energy needs,” said Yates. “Our existing natural gas infrastructure positions us well to bring our customers along into the energy of the future, and hydrogen blending is one promising solution we are exploring to enhance sustainability and to deliver a safe and reliable energy source to our customers.”

Columbia Gas of Pennsylvania, a subsidiary of NiSource, partnered with EN Engineering to construct the hydrogen blending skid, which allows for the controlled blending of hydrogen into Safety Town’s natural gas system at various percentages, ranging from two to 20 percent.

To demonstrate the efficacy of the blended fuel, NiSource built a specially designed on-site model home equipped with natural gas appliances to simulate everyday usage in a residential home environment. Ongoing field confirmations are being evaluated hydrogen’s effect on the natural gas itself, equipment, piping, and the net change in carbon emissions from blending, with favorable results.

Hydrogen is one of the most abundant elements on earth. It can be produced from a variety of energy sources, stored for future use, piped to where it is needed and converted into a clean source for heat and electricity. We believe that hydrogen can be a zero-carbon fuel because when combusted, hydrogen produces water vapor, not greenhouse gas emissions. We are exploring how hydrogen can be safely produced, transported, stored, and blended into the existing natural gas grid to help decarbonize natural gas pipelines.

Throughout the multi-phase hydrogen blending project, NiSource will continue to evaluate the viability of hydrogen-natural gas blends for other applications such as factories and power plants. Based on the results and data collected, future phases of the program could include the introduction of a hydrogen-blend into a live-gas environment using the company’s existing gas distribution infrastructure that serves customers today.

The blending program is one facet of NiSource’s overall Future of Energy strategy, which includes a dynamic range of clean energy solutions ranging from solar, wind, electricity and renewable natural gas to secure a sustainable energy future for all.

“Integrating hydrogen into our energy future is complementary to renewable energy and could further enhance the global energy transition underway,” said Yates. “Our overall goal remains to lower emissions and ensure the availability of an array of environmentally sustainable energy sources while balancing affordability, reliability and other economic considerations for our customers.”

About Columbia Gas of Pennsylvania

Columbia Gas of Pennsylvania delivers clean, affordable, and efficient natural gas to approximately 445,000 customers. With headquarters in Canonsburg, Pennsylvania, it is one of NiSource’s six regulated utility companies. NiSource (NYSE: NI) is one of the largest fully regulated utility companies in the United States, serving approximately 3.2 million natural gas customers and 500,000 electric customers through its local Columbia Gas and NIPSCO brands. More information about Columbia Gas of Pennsylvania and NiSource is available at www.ColumbiaGasPA.com and www.nisource.com.

About NiSource

NiSource Inc. (NYSE: NI) is one of the largest fully-regulated utility companies in the United States, serving approximately 3.2 million natural gas customers and 500,000 electric customers across six states through its local Columbia Gas and NIPSCO brands. Based in Merrillville, Indiana, NiSource's approximately 7,500 employees are focused on safely delivering reliable and affordable energy to our customers and communities we serve. NiSource is a member of the Dow Jones Sustainability Index - North America. Additional information about NiSource, its investments in modern infrastructure and systems, its commitments and its local brands can be found at www.nisource.com. Follow us at www.facebook.com/nisource, www.linkedin.com/company/nisource or www.twitter.com/nisourceinc. NI-F

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