iSun Inc. Enters PJM Market

Estimated 3.2 MWs and $3.0 million contract award in Maryland

iSun, Inc. (NASDAQ: ISUN) (the "Company," or "iSun"), a leading solar energy and clean mobility infrastructure company with 50-years of experience accelerating the adoption of innovative electrical technologies, announces execution of a contract totaling 3.2 MW and $3.0 million in Maryland establishing a presence in the PJM market.

HIGHLIGHTS:

• 3.2 MW award establishes iSun’s presence in the PJM market.
• $3.0 million in new contract highlights iSun’s continued geographic expansion along the East Coast.
• Advances iSun’s 50-year mission to combat climate change and accelerate the transition to clean energy.

“The PJM market is one of the largest energy markets in the Country,” said Jeffrey Peck, Chairman and Chief Executive Officer of iSun. “We are proud to expand our installation footprint and bring our world class craftsmanship to this critical market. We are also proud to support one of our existing customers as they expand their manufacturer capabilities. We appreciate the trust that our customers place in our ability to design and develop a solution that meets their energy needs now and in the future. For our investors, we continue to execute on our strategic plan to create long-term valuation. As we previously stated, the transition to clean energy is the most important initiative of our generation. We are excited to contribute to the renewable goals of the PJM market.”

About iSun Inc.

Since 1972, iSun has accelerated the adoption of proven, life-improving innovations in electrification technology. iSun has been the trusted service provider to Fortune 500 companies for decades and has installed clean rooms, fiber optic cables, flight simulators, and over 600 megawatts of solar systems. The Company currently provides a comprehensive suite of solar services across residential, commercial, industrial & municipal, and utility scale projects and provides solar electric vehicle charging solutions for both grid-tied and battery backed solar EV charging systems. iSun believes that the transition to clean, renewable solar energy is the most important investment to make today and is focused on profitable growth opportunities. Please visit www.isunenergy.com for additional information.

Forward Looking Statements

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