Oaktree Power Opportunities Fund IV, L.P.
By: Oaktree Power Opportunities Fund IV GP, L.P.
Its: General Partner
By: Oaktree Fund GP, LLC
Its: General Partner
By: Oaktree Fund GP I, L.P.
Its: Managing Member
By: /s/ Henry Orren
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Name: Henry Orren
Title: Authorized Signatory
Oaktree Power Opportunities Fund IV (Parallel), L.P.
By: Oaktree Power Opportunities Fund IV GP, L.P.
Its: General Partner
By: Oaktree Fund GP, LLC
Its: General Partner
By: Oaktree Fund GP I, L.P.
Its: Managing Member
By: /s/ Henry Orren
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Name: Henry Orren
Title: Authorized Signatory
Oaktree ATI Investors, L.P.
By: Oaktree Power Opportunities Fund IV GP, L.P.
Its: General Partner
By: Oaktree Fund GP, LLC
Its: General Partner
By: Oaktree Fund GP I, L.P.
Its: Managing Member
By: /s/ Henry Orren
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Name: Henry Orren
Title: Authorized Signatory
Oaktree Capital Management, L.P.
By: /s/ Henry Orren
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Name: Henry Orren
Title: Vice President
Oaktree Capital Group, LLC
By: /s/ Henry Orren
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Name: Henry Orren
Title: Vice President
Atlas OCM Holdings, LLC
By: /s/ Henry Orren
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Name: Henry Orren
Title: Vice President
Brookfield Asset Management Inc.
By: /s/ Jessica Diab
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Name: Jessica Diab
Title: Vice President - Legal & Regulatory
Oaktree Capital Group Holdings, L.P.
By: Oaktree Capital Group Holding GP, LLC
Its: General Partner
By: /s/ Henry Orren
----------------------------
Name: Henry Orren
Title: Vice President
