FORM OF SUBSCRIPTION AGREEMENTSubscription Agreement • January 12th, 2021 • ArcLight Clean Transition Corp. • Blank checks • New York
Contract Type FiledJanuary 12th, 2021 Company Industry JurisdictionThis Subscription Agreement (this “Subscription Agreement”) is being entered into as of the date set forth on the signature page hereto, by and between ArcLight Clean Transition Corp., a Cayman Islands exempted company (“ArcLight”), and the undersigned subscriber (the “Investor”), in connection with the Agreement and Plan of Merger, dated as of the date hereof (as may be amended, supplemented or otherwise modified from time to time, the “Merger Agreement”), by and among ArcLight, Proterra Inc., a Delaware corporation (the “Company”), and Phoenix Merger Sub, Inc., a Delaware corporation (“Merger Sub”), pursuant to which, among other things, Merger Sub will merge with and into the Company, with the Company as the surviving company in the merger and, after giving effect to such merger, becoming a subsidiary of ArcLight, on the terms and subject to the conditions therein (such merger, the “Transaction”). In connection with the Transaction, ArcLight is seeking commitments from interested in
SPONSOR LETTER AGREEMENTSponsor Letter Agreement • January 12th, 2021 • ArcLight Clean Transition Corp. • Blank checks
Contract Type FiledJanuary 12th, 2021 Company IndustryThis SPONSOR LETTER AGREEMENT (this “Agreement”), dated as of January 11, 2021, is made by and among ArcLight CTC Holdings, L.P., a Delaware limited partnership (the “Sponsor”), ArcLight Clean Transition Corp., a Cayman Islands exempted company (“ACTC”), and Proterra Inc, a Delaware corporation (the “Company”). The Sponsor, ACTC and the Company are sometimes referred to herein individually as a “Party” and collectively as the “Parties”. Capitalized terms used but not otherwise defined herein shall have the meanings ascribed to such terms in the Merger Agreement (as defined below).