Infrastructure and Energy Alternatives Announces Fourth Quarter and Full-Year 2021 Results Conference Call Date

Infrastructure and Energy Alternatives, Inc. (NASDAQ: IEA) (“IEA” or the “Company”) a leading infrastructure company with renewable energy and specialty civil expertise, today announced that it will issue financial results for the fourth quarter and full-year 2021 after the market close on Monday, March 7, 2022. Management will conduct a conference call on Tuesday, March 8, 2022 at 11:00 am Eastern Time to discuss the quarterly and full-year results.

A webcast of the conference call and accompanying presentation materials will be available in the Investor Relations section of the Company’s corporate website at https://ir.iea.net/. To listen to a live broadcast, go to the site at least 15 minutes prior to the scheduled start time in order to register and download and install any necessary audio software.

To participate in the live teleconference:

Domestic Live:	1-877-407-0784
International Live:	1-201-689-8560

To listen to a replay of the teleconference, which will be available through April 8, 2022:

Domestic Replay:	1-844-512-2921
International Replay:	1-412-317-6671
Conference ID:	13726269

ABOUT IEA

Infrastructure and Energy Alternatives is a leading infrastructure construction company with renewable energy and specialty civil expertise. Headquartered in Indianapolis, Indiana, with operations throughout the country, IEA’s service offering spans the entire construction process. The Company offers a full spectrum of delivery models including full engineering, procurement, and construction, turnkey, design-build, balance of plant, and subcontracting services. IEA is one of the larger providers in the renewable energy industry and has completed more than 240 utility scale wind and solar projects across North America. In the heavy-civil space, IEA offers a number of specialty services including environmental remediation, industrial maintenance, specialty transportation infrastructure and other site development for public and private projects. For more information, please visit IEA’s website at www.iea.net or follow IEA on Facebook, LinkedIn and Twitter for the latest company news and events.

FORWARD-LOOKING STATEMENTS

This release contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. The use of words such as “anticipate,” “expect,” “could,” “may,” “intend,” “plan” and “believe,” among others, generally identify forward-looking statements. These forward-looking statements are based on currently available operating, financial, economic and other information, and are subject to a number of risks and uncertainties. Readers are cautioned that these forward-looking statements are only predictions and may differ materially from actual future events or results. A variety of factors, many of which are beyond our control, could cause actual future results or events to differ materially from those projected in the forward-looking statements in this release. For a full description of the risks and uncertainties which could cause actual results to differ from our forward-looking statements, please refer to IEA’s periodic filings with the Securities & Exchange Commission including those described as “Risk Factors” in IEA’s annual report on Form 10-K filed on March 8, 2021 and in any quarterly reports on Form 10-Q filed thereafter. IEA does not undertake any obligation to update forward-looking statements whether as a result of new information, future events or otherwise, except as may be required under applicable securities laws.

INVESTOR CONTACT

Aaron Reddington, [e-mail]