 INDIANAPOLIS, Feb. 22, 2022 GLOBE NEWSWIRE -- 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. 