EXHIBIT 99.1
This statement on Form 4 is filed jointly by each of the undersigned. The principal business address of each of the reporting persons is is 333 South Grand Avenue, 28th Floor, Los Angeles, California 90071.
Name of Designated Filer: OAKTREE CAPITAL GROUP, LLC
Date of Event Requiring Statement: December 31, 2018
Issuer Name: Infrastructure and Energy Alternatives, Inc. [IEA]
OAKTREE CAPITAL GROUP, LLC
By: Oaktree Capital Group Holdings GP, LLC
Its: Manager
By: /s/ Jamie Toothman
Name: Jamie Toothman
Title: Senior Vice President
OAKTREE CAPITAL GROUP HOLDINGS GP, LLC
By: /s/ Jamie Toothman
Name: Jamie Toothman
Title: Senior Vice President