Q2 Air Quality Update

The most recent Stellantis quarterly air monitoring data from April thru June demonstrates that the air quality in
the area continues to meet the standards for the analytes tested, including the National Ambient Air Quality
Standard (NAAQS) for Particulate Matter smaller than 2.5 microns (PM 2.5) and Nitrogen Dioxide (NO2), according
to the monitoring station on the Detroit Assembly Complex – Mack (DACM) property.

In June, due to the Canadian wildfires that prompted regional Air Quality Alerts across southeast Michigan, the
monthly PM 2.5 average air quality in the metro Detroit area was above the annual NAAQS. PM 2.5 concentration
levels at the DACM air monitoring station averaged 7.8 in April and May, and 23 in June. Other Michigan
Department of Environment, Great Lakes, and Energy (EGLE) monitoring sites in the area for June were
even higher, recording levels of 33 in Dearborn and 31 in Detroit Southwest and Detroit Police 4th Precinct.

Additionally, ambient air volatile organic compound (VOC) testing continues to show that no VOCs are present in
the air at a concentration above, or even close to, their respective Michigan Air Toxics Screening Levels.

Stellantis (NYSE: STLA) is one of the world’s leading automakers and a mobility provider, guided by a clear vision to offer freedom of movement with distinctive, affordable and reliable mobility solutions. In addition to the Group’s rich heritage and broad geographic presence, its greatest strengths lie in its sustainable performance, depth of experience and the wide-ranging talents of employees working around the globe. Stellantis will leverage its broad and iconic brand portfolio, which was founded by visionaries who infused the brands with passion and a competitive spirit that speaks to employees and customers alike. Stellantis aspires to become the greatest, not the biggest, while creating added value for all stakeholders, as well as the communities in which it operates.

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