Exhibit 99.1
PE GREENLIGHT HOLDINGS, LLC
By: /s/ Mary Ann Sigler
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Name: Mary Ann Sigler
Title: President and Treasurer
PLATINUM EQUITY CAPITAL PARTNERS IV, L.P.
By: Platinum Equity Partners IV, L.P.,
Its: General Partner
By: Platinum Equity Partners IV, LLC,
Its: General Partner
By: /s/ Mary Ann Sigler
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Name: Mary Ann Sigler
Title: Vice President and Treasurer
PLATINUM EQUITY PARTNERS IV, L.P.
By: Platinum Equity Partners IV, LLC,
Its: General Partner
By: /s/ Mary Ann Sigler
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Name: Mary Ann Sigler
Title: Vice President and Treasurer
PLATINUM EQUITY PARTNERS IV, LLC
By: /s/ Mary Ann Sigler
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Name: Mary Ann Sigler
Title: Vice President and Treasurer
PLATINUM EQUITY INVESTMENT HOLDINGS IV, LLC
By: /s/ Mary Ann Sigler
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Name: Mary Ann Sigler
Title: Vice President and Treasurer
PLATINUM EQUITY INVESTMENT HOLDINGS IV MANAGER, LLC
By: /s/ Mary Ann Sigler
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Name: Mary Ann Sigler
Title: President
PLATINUM EQUITY INVESTCO, L.P.
By: Platinum Equity Investment Holdings IC (Cayman), LLC
Its: General Partner
By: /s/ Mary Ann Sigler
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Name: Mary Ann Sigler
Title: President
PLATINUM EQUITY INVESTMENT HOLDINGS IC (CAYMAN), LLC
By: /s/ Mary Ann Sigler
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Name: Mary Ann Sigler
Title: President
PLATINUM INVESTCO, LLC
By: /s/ Mary Ann Sigler
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Name: Mary Ann Sigler
Title: President
PLATINUM EQUITY, LLC
By: /s/ Mary Ann Sigler
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Name: Mary Ann Sigler
Title: Executive Vice President, Chief Financial Officer and Treasurer
TOM GORES
By: /s/ Mary Ann Sigler
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Name: Mary Ann Sigler
Title: Attorney-in-Fact
