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iSun Inc. To Participate in 25th Annual Roth Conference

WILLISTON, Vt., March 01, 2023–(BUSINESS WIRE)–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, today announced that it will participate in the 35th Annual Roth Capital Conference to be held March 12-14, 2023 at the Ritz Carlton Laguna Niguel at Dana Point, California. Representing iSun will be Jeffrey Peck, Chairman, Chief Executive Officer, and John Sullivan, Chief Financial Officer.

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.

Contacts

iSun Investor Relations
IR: IR@isunenergy.com

iSun Inc. Provides Preliminary Full Year 2022 Revenue

Expects full year 2022 revenues of $74 to $76 million, a 63% to 68% increase over 2021

Expects full year 2023 revenues of $95-100 million, a 27% to 33% increase over 2022

Plans to report final results on March 30, 2023, with investor call scheduled at 8:30 am

WILLISTON, Vt., February 28, 2023–(BUSINESS WIRE)–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, today announced that preliminary revenue for the full year 2022 was approximately $74-76 million, 63%-68% higher than the $45.3 million reported for full year 2021, and at the high end of the revenue range of $70-75 million forecasted in November 2022.

In addition, iSun expects total revenues for full year 2023 to be approximately $95-100 million, a 27%-33% increase over preliminary full year 2022 total revenues, reflecting the increased new business awards the company secured across its business in the second half of 2022 and its progress in working through its backlog.

HIGHLIGHTS:

“We are pleased by the solid progress we demonstrated in the last quarter of 2022, as our team accelerated the awards won, and we began to work through our backlog. With the higher revenue expectations we are sharing for 2023, we are confident that this trend will continue,” said Jeffrey Peck, Chairman and Chief Executive Officer of iSun. “While 2022 was a challenging year industry-wide due to supply chain issues, we believe our success in securing new business awards and our increased productivity and throughput position us well to continue to lead the transition to alternative forms of energy in the markets we serve. Moreover, as additional guidance on the Inflation Reduction Act of 2022 is released, we expect the positive momentum to continue in 2023 and the years ahead.”

Final Fourth Quarter 2022 Results

iSun plans to issue final fourth quarter and full year 2022 results before the market opens on Thursday, March 30, 2023.

A conference call to discuss the results will take place at 8:30 AM ET. To participate in the call, please dial 1-888-506-0062 (domestic) or 1-973-528-0011 (international), using conference ID 568326. The live webcast can be accessed through the Company’s Investor Relations website at investors.isunenergy.com.

A webcast replay of the call will be available at the same location beginning approximately one hour after the call’s completion. A telephonic replay will be available through April 13, 2023, and can be accessed by dialing 1-877-481-4010 (domestic) or 1-919-882-2331 (international), using conference code 47771.

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

This press release includes forward-looking statements within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934, which are made pursuant to the safe harbor provisions of the Private Securities Litigation Reform Act of 1995, as amended. Words or phrases such as “may,” “should,” “expects,” “could,” “intends,” “plans,” “anticipates,” “estimates,” “believes,” “forecasts,” “predicts” or other similar expressions are intended to identify forward-looking statements, which include, without limitation, earnings forecasts, effective tax rate, statements relating to our business strategy and statements of expectations, beliefs, future plans and strategies and anticipated developments concerning our industry, business, operations and financial performance and condition.

The forward-looking statements included in this press release are based on our current expectations, projections, estimates and assumptions. These statements are only predictions, not guarantees. Such forward-looking statements are subject to numerous risks and uncertainties that are difficult to predict. These risks and uncertainties may cause actual results to differ materially from what is forecast in such forward-looking statements, and include, without limitation, the risk factors described from time to time in our filings with the Securities and Exchange Commission, including our Annual Report on Form 10-K.

All forward-looking statements included in this press release are based on information currently available to us, and we assume no obligation to update any forward-looking statement except as may be required by law.

Contacts

iSun Investor Relations
IR: IR@isunenergy.com

iSun Inc. Announces Adjournment of 2023 Special Meeting of Stockholders

WILLISTON, Vt., January 25, 2023–(BUSINESS WIRE)–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, today announced that the Special Meeting of Stockholders which was scheduled for yesterday, January 24, 2023 was adjourned to provide additional time for the Company to solicit additional proxies. The 2023 Special Meeting of Stockholders will now be held on Tuesday, January 31, 2023, beginning at 2:00 P.M (Eastern Time).

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

This press release includes forward-looking statements within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934, which are made pursuant to the safe harbor provisions of the Private Securities Litigation Reform Act of 1995, as amended. Words or phrases such as “may,” “should,” “expects,” “could,” “intends,” “plans,” “anticipates,” “estimates,” “believes,” “forecasts,” “predicts” or other similar expressions are intended to identify forward-looking statements, which include, without limitation, earnings forecasts, effective tax rate, statements relating to our business strategy and statements of expectations, beliefs, future plans and strategies and anticipated developments concerning our industry, business, operations and financial performance and condition.

The forward-looking statements included in this press release are based on our current expectations, projections, estimates and assumptions. These statements are only predictions, not guarantees. Such forward-looking statements are subject to numerous risks and uncertainties that are difficult to predict. These risks and uncertainties may cause actual results to differ materially from what is forecast in such forward-looking statements, and include, without limitation, the risk factors described from time to time in our filings with the Securities and Exchange Commission, including our Annual Report on Form 10-K.

All forward-looking statements included in this press release are based on information currently available to us, and we assume no obligation to update any forward-looking statement except as may be required by law.

Contacts

iSun Investor Relations
IR: IR@isunenergy.com

iSun Inc. Wins New Solar Portfolio in Maine

Extends Maine presence with 16.00MW and $16.12 million contract

WILLISTON, Vt., January 24, 2023–(BUSINESS WIRE)–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, today announced that it has been awarded a portfolio of solar projects totaling 16.00MW and valued at $16.12 million in Maine, to expand community solar projects across that state.

HIGHLIGHTS:

“We are excited to expand our portfolio of solar projects in Maine, and happy to see our project backlog flowing into active contracts. These projects, along with other recently announced contract awards, bring our total recent contract awards to 47.5MW and $43.25 million. Execution of this portfolio of projects will start this quarter,” said Jeffrey Peck, Chairman and Chief Executive Officer of iSun. “Our team has developed excellent momentum in winning awards in Maine this year, driving confidence in our ability to provide the high-quality solar installations needed by customers in communities throughout Maine. This award demonstrates our strong commitment to bringing alternative energy to customers in New England. With this new contract, we are proud to continue to lead the transition in advancing Maine’s energy 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

This press release includes forward-looking statements within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934, which are made pursuant to the safe harbor provisions of the Private Securities Litigation Reform Act of 1995, as amended. Words or phrases such as “may,” “should,” “expects,” “could,” “intends,” “plans,” “anticipates,” “estimates,” “believes,” “forecasts,” “predicts” or other similar expressions are intended to identify forward-looking statements, which include, without limitation, earnings forecasts, effective tax rate, statements relating to our business strategy and statements of expectations, beliefs, future plans and strategies and anticipated developments concerning our industry, business, operations and financial performance and condition.

The forward-looking statements included in this press release are based on our current expectations, projections, estimates and assumptions. These statements are only predictions, not guarantees. Such forward-looking statements are subject to numerous risks and uncertainties that are difficult to predict. These risks and uncertainties may cause actual results to differ materially from what is forecast in such forward-looking statements, and include, without limitation, the risk factors described from time to time in our filings with the Securities and Exchange Commission, including our Annual Report on Form 10-K.

All forward-looking statements included in this press release are based on information currently available to us, and we assume no obligation to update any forward-looking statement except as may be required by law.

Contacts

iSun Investor Relations
IR: IR@isunenergy.com

iSun Inc. Wins $5.9 Million in New Solar Projects

New Awards Demonstrate Commercial Growth and Customer Confidence

Williston, VT, January 20, 2023 — 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, today announced that it was awarded contracts with combined value of $5.9 million to implement solar energy solutions for commercial properties with existing customers in Vermont.

HIGHLIGHTS:

“We are delighted to expand our work with existing customers to implement important new solar projects at commercial properties in Vermont,” said Jeffrey Peck, Chairman and Chief Executive Officer of iSun. “Our team is responding well to the heightened customer demand for solar energy across our markets, and finding continued success in cultivating long-term customer relationships for iSun. While we have a growing backlog of solar projects being implemented across New England, we are confident that our operational teams will effectively manage the labor utilization demands these projects present. The transition to clean energy remains the most important initiative of our generation and we are proud to assist more customers throughout our markets in achieving alternative energy solutions.”

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

This press release includes forward-looking statements within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934, which are made pursuant to the safe harbor provisions of the Private Securities Litigation Reform Act of 1995, as amended. Words or phrases such as “may,” “should,” “expects,” “could,” “intends,” “plans,” “anticipates,” “estimates,” “believes,” “forecasts,” “predicts” or other similar expressions are intended to identify forward-looking statements, which include, without limitation, earnings forecasts, effective tax rate, statements relating to our business strategy and statements of expectations, beliefs, future plans and strategies and anticipated developments concerning our industry, business, operations and financial performance and condition.

The forward-looking statements included in this press release are based on our current expectations, projections, estimates and assumptions. These statements are only predictions, not guarantees. Such forward-looking statements are subject to numerous risks and uncertainties that are difficult to predict. These risks and uncertainties may cause actual results to differ materially from what is forecast in such forward-looking statements, and include, without limitation, the risk factors described from time to time in our filings with the Securities and Exchange Commission, including our Annual Report on Form 10-K.

All forward-looking statements included in this press release are based on information currently available to us, and we assume no obligation to update any forward-looking statement except as may be required by law.

For more information contact:

iSun Investor Relations – IR@isunenergy.com

iSun Inc. Settles Pending Litigation

iSun, Sass Peress and Renewz Sustainable Solutions agree on Settlement

WILLISTON, Vt., January 20, 2023–(BUSINESS WIRE)–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, announced the settlement of the pending litigation initiated by Sass Peress.

HIGHLIGHTS:

“When we acquired iSun Energy, LLC in January of 2021, we embraced the innovative change pioneered by Sass Peress throughout his career in solar and e-mobility,” said Jeffrey Peck, Chairman and Chief Executive Officer of iSun. “We were able to leverage Sass’s existing industry connections to drive our growth strategy forward. We also knew that the innovation acquired would allow iSun the opportunity to build new relationships in new geographic regions. As a Company, we appreciate the opportunity to have worked collaboratively with Sass and his team throughout 2021 and wish him all the success in his path forward. We are happy to settle all disagreements in an amicable manner as our goals of accelerating the transition to clean energy and fighting climate change were aligned from the beginning.”

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

This press release includes forward-looking statements within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934, which are made pursuant to the safe harbor provisions of the Private Securities Litigation Reform Act of 1995, as amended. Words or phrases such as “may,” “should,” “expects,” “could,” “intends,” “plans,” “anticipates,” “estimates,” “believes,” “forecasts,” “predicts” or other similar expressions are intended to identify forward-looking statements, which include, without limitation, earnings forecasts, effective tax rate, statements relating to our business strategy and statements of expectations, beliefs, future plans and strategies and anticipated developments concerning our industry, business, operations and financial performance and condition.

The forward-looking statements included in this press release are based on our current expectations, projections, estimates and assumptions. These statements are only predictions, not guarantees. Such forward-looking statements are subject to numerous risks and uncertainties that are difficult to predict. These risks and uncertainties may cause actual results to differ materially from what is forecast in such forward-looking statements, and include, without limitation, the risk factors described from time to time in our filings with the Securities and Exchange Commission, including our Annual Report on Form 10-K.

All forward-looking statements included in this press release are based on information currently available to us, and we assume no obligation to update any forward-looking statement except as may be required by law.

Contacts

iSun Investor Relations
IR@isunenergy.com

iSun Inc. Wins Two More New Solar Contracts Valued at $6 Million in Northern New England

New Community Wins Latest in More Than $20 Million in Recent Solar Contract Awards

Williston, VT, January 17, 2023 — 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, today announced that it was awarded two new contracts valued at nearly $6 million combined to implement renewable energy solutions for community solar projects in Northern New England.

HIGHLIGHTS:

“We’re very pleased with our recent contract awards in two more communities as we assist more residents across northern New England in implementing alternative energy solutions,” said Jeffrey Peck, Chairman and Chief Executive Officer of iSun. “These awards, combined with our other recently announced wins, secure more than $20 million in contracts for iSun throughout New England as we show continued success in cultivating long-term customer relationships. The transition to clean energy remains the most important initiative of our generation and we are proud to assist more communities in achieving alternative energy solutions.”

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

This press release includes forward-looking statements within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934, which are made pursuant to the safe harbor provisions of the Private Securities Litigation Reform Act of 1995, as amended. Words or phrases such as “may,” “should,” “expects,” “could,” “intends,” “plans,” “anticipates,” “estimates,” “believes,” “forecasts,” “predicts” or other similar expressions are intended to identify forward-looking statements, which include, without limitation, earnings forecasts, effective tax rate, statements relating to our business strategy and statements of expectations, beliefs, future plans and strategies and anticipated developments concerning our industry, business, operations and financial performance and condition.

The forward-looking statements included in this press release are based on our current expectations, projections, estimates and assumptions. These statements are only predictions, not guarantees. Such forward-looking statements are subject to numerous risks and uncertainties that are difficult to predict. These risks and uncertainties may cause actual results to differ materially from what is forecast in such forward-looking statements, and include, without limitation, the risk factors described from time to time in our filings with the Securities and Exchange Commission, including our Annual Report on Form 10-K.

All forward-looking statements included in this press release are based on information currently available to us, and we assume no obligation to update any forward-looking statement except as may be required by law.

For more information contact:

iSun Investor Relations – IR@isunenergy.com

iSun Inc. Wins Three New Solar Contracts Valued at $9.7 Million

Projects Help Drive iSun’s Growth

Williston, VT, January 12, 2023 — 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, today announced that it was awarded three contracts with a total value of $9.7 million to implement solar energy solutions in communities in northern New England. The new projects result from a new partnership that iSun has formed with an integrated nationwide solar developer.

HIGHLIGHTS:

“The three project awards from our new partner represent important wins for our team as we continue to demonstrate our ability to expand our customer base across New England,” said Jeffrey Peck, Chairman and Chief Executive Officer of iSun. “We are working diligently to address the continued strong customer demand for solar energy in our markets, and I’m very pleased with the success of our team in cultivating long-term customer relationships for iSun. The transition to clean energy remains the most important initiative of our generation and we are proud to assist more customers throughout our markets in achieving alternative energy solutions.”

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

This press release includes forward-looking statements within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934, which are made pursuant to the safe harbor provisions of the Private Securities Litigation Reform Act of 1995, as amended. Words or phrases such as “may,” “should,” “expects,” “could,” “intends,” “plans,” “anticipates,” “estimates,” “believes,” “forecasts,” “predicts” or other similar expressions are intended to identify forward-looking statements, which include, without limitation, earnings forecasts, effective tax rate, statements relating to our business strategy and statements of expectations, beliefs, future plans and strategies and anticipated developments concerning our industry, business, operations and financial performance and condition.

The forward-looking statements included in this press release are based on our current expectations, projections, estimates and assumptions. These statements are only predictions, not guarantees. Such forward-looking statements are subject to numerous risks and uncertainties that are difficult to predict. These risks and uncertainties may cause actual results to differ materially from what is forecast in such forward-looking statements, and include, without limitation, the risk factors described from time to time in our filings with the Securities and Exchange Commission, including our Annual Report on Form 10-K.

All forward-looking statements included in this press release are based on information currently available to us, and we assume no obligation to update any forward-looking statement except as may be required by law.

For more information contact:

iSun Investor Relations – IR@isunenergy.com

iSun Inc. completes $16.4 million transaction of development project

iSun sells first fully-internally development asset and executes EPC contract

WILLISTON, VT, January 5, 2023–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, has agreed to sell a 7 MW solar asset valued at approximately $4.8 million in connection with the execution of an $11.6 million EPC contract.

HIGHLIGHTS:

“When we acquired Oakwood Construction’s IP assets in 2021, we positioned iSun to provide turnkey development and engineering services,” said Jeffrey Peck, Chairman and Chief Executive Officer of iSun. “We added meaningful value at each stage of the solar assets’ life cycle for our new partner. We executed substantially all of the development, engineering and technical work and as a result, we have now contracted to sell this asset to a leading investment firm and execute EPC contracts to complete the installation. We pride ourselves on our years of experience that have positioned the Company to handle all the many challenges involved in creating more valuable long-term assets for customers.”

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

This press release includes forward-looking statements within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934, which are made pursuant to the safe harbor provisions of the Private Securities Litigation Reform Act of 1995, as amended. Words or phrases such as “may,” “should,” “expects,” “could,” “intends,” “plans,” “anticipates,” “estimates,” “believes,” “forecasts,” “predicts” or other similar expressions are intended to identify forward-looking statements, which include, without limitation, earnings forecasts, effective tax rate, statements relating to our business strategy and statements of expectations, beliefs, future plans and strategies and anticipated developments concerning our industry, business, operations and financial performance and condition.

The forward-looking statements included in this press release are based on our current expectations, projections, estimates and assumptions. These statements are only predictions, not guarantees. Such forward-looking statements are subject to numerous risks and uncertainties that are difficult to predict. These risks and uncertainties may cause actual results to differ materially from what is forecast in such forward-looking statements, and include, without limitation, the risk factors described from time to time in our filings with the Securities and Exchange Commission, including our Annual Report on Form 10-K.

All forward-looking statements included in this press release are based on information currently available to us, and we assume no obligation to update any forward-looking statement except as may be required by law.

For more information contact iSun Investor Relations at IR@isunenergy.com

iSun Inc. Wins $3.1 Million New Solar Contract in Vermont

Middlebury Latest Community to Engage iSun’s Expertise

Williston, VT, December 12, 2022 — 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, today announced that it was awarded a $3.1 million contract to implement solar energy solutions in Middlebury, Vermont.

HIGHLIGHTS:

“We are very pleased by our continued progress in securing awards for solar projects throughout New England, with the latest win in Middlebury, Vermont,” said Jeffrey Peck, Chairman and Chief Executive Officer of iSun. “This demonstrates the continued strong customer demand for solar energy in our markets, and the success of our team in cultivating long-term customer relationships for iSun. The transition to clean energy remains the most important initiative of our generation and we are proud to assist more communities in achieving alternative energy solutions.”

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

This press release includes forward-looking statements within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934, which are made pursuant to the safe harbor provisions of the Private Securities Litigation Reform Act of 1995, as amended. Words or phrases such as “may,” “should,” “expects,” “could,” “intends,” “plans,” “anticipates,” “estimates,” “believes,” “forecasts,” “predicts” or other similar expressions are intended to identify forward-looking statements, which include, without limitation, earnings forecasts, effective tax rate, statements relating to our business strategy and statements of expectations, beliefs, future plans and strategies and anticipated developments concerning our industry, business, operations and financial performance and condition.

The forward-looking statements included in this press release are based on our current expectations, projections, estimates and assumptions. These statements are only predictions, not guarantees. Such forward-looking statements are subject to numerous risks and uncertainties that are difficult to predict. These risks and uncertainties may cause actual results to differ materially from what is forecast in such forward-looking statements, and include, without limitation, the risk factors described from time to time in our filings with the Securities and Exchange Commission, including our Annual Report on Form 10-K.

All forward-looking statements included in this press release are based on information currently available to us, and we assume no obligation to update any forward-looking statement except as may be required by law.

For more information contact:

iSun Investor Relations – IR@isunenergy.com