Boston, MA — June 16, 2020 — STAG Industrial, Inc. (the “Company”) (NYSE:STAG) today announced the groundbreaking of 4 new solar rooftop systems in Massachusetts and one in New Jersey. The projects will deliver energy to the local electrical grid, ultimately powering homes and businesses. Black Bear Energy facilitated the project in partnership with STAG. These systems have an aggregate capacity of 8.5MW, which will generate over 10 million kWh of electricity annually - the equivalent to powering nearly 1,000 homes with solar. With the addition of these sites, STAG now hosts over 10 MW of solar nationally. The MA projects are being developed by Nautilus Solar Energy, LLC as part of the Solar Massachusetts Renewable Program (SMART) - a program to cost-effectively bring new distributed solar resources in the state.