OPAL Fuels to Host Virtual Investor Event on Friday, May 6, 2022, at 8:00 AM EDT

WHITE PLAINS, N.Y. – (April 25, 2022) – OPAL Fuels LLC, a vertically integrated producer and distributor of renewable natural gas (RNG), today announced that it will host a Virtual Investor Event on Friday, May 6, 2022, at 8:00 AM EDT.

The virtual format will feature presentations from Adam Comora and Jonathan Maurer, Co-CEOs, and Ann Anthony, CFO. The OPAL Fuels executive team will also hold a Question & Answer session. Any questions for the management team should be submitted to OPALFuelsIR@icrinc.com before or during the event. Viewers will also be able to ask questions via the webcast platform during the event.

Registration for the event is currently open. Please click here to register for and access the webcast on the day of the event. The webcast and presentation materials, as well as a replay of the webcast following the event, can also be accessed on the OPAL Fuels investor page here.

On December 2, 2021, OPAL Fuels announced an agreement for a business combination with ArcLight Clean Transition Corp. II (Nasdaq: ACTD), which is expected to result in OPAL Fuels becoming a public company listed on the Nasdaq Stock Exchange in second quarter of 2022, subject to customary closing conditions.

About OPAL Fuels LLC
OPAL Fuels LLC, a FORTISTAR portfolio company, is a leading vertically integrated renewable fuels platform involved in the production and distribution of renewable natural gas (RNG) for the heavy-duty truck market. RNG is a proven low-carbon fuel that is rapidly decarbonizing the transportation industry now while also significantly reducing costs for fleet owners. OPAL Fuels captures harmful methane emissions at the source and recycles the trapped energy into a commercially viable, lower-cost alternative to diesel fuel. OPAL Fuels also develops and constructs RNG and hydrogen fueling stations. As a producer and distributor of carbon-reducing fuel for heavy-duty truck fleets for more than a decade, the company delivers best-in-class, complete renewable solutions to customers and production partners. To learn more about OPAL Fuels and how it is leading the effort to capture North America’s harmful methane emissions and decarbonize the transportation industry, please visit www.opalfuels.com and follow the company on LinkedIn and Twitter at @OPALFuels.

OPAL Fuels also previously announced an agreement for a business combination with ArcLight Clean Transition Corp. II (Nasdaq: ACTD) (“ArcLight”), which is expected to result in OPAL Fuels becoming a public company listed on the Nasdaq Stock Exchange in second quarter of 2022, subject to customary closing conditions.

About ArcLight Clean Transition Corp. II
ArcLight, ArcLight Clean Transition Corp. II, led by Chairman Daniel Revers and President and Chief Executive Officer Jake Erhard, is a special purpose acquisition company formed for the purpose of effecting a capital stock exchange, asset acquisition, share purchase, reorganization, or similar business combination with one or more businesses focused on opportunities created by the accelerating transition toward sustainable use of energy and natural resources.

Additional Information
ArcLight has filed with the SEC a Registration Statement on Form S-4 (as amended, the “Registration Statement”), which includes a preliminary proxy statement/prospectus of ArcLight, in connection with the proposed merger transaction (the “Business Combination”) involving ArcLight and OPAL Fuels. After the Registration Statement is declared effective, ArcLight will mail a definitive proxy statement/prospectus and other relevant documents to stockholders of ArcLight as of a record date to be established for voting on the Business Combination. ArcLight’s stockholders and other interested persons are advised to read, the preliminary proxy statement/prospectus, and amendments thereto, and, when available, the definitive proxy statement/prospectus in connection with ArcLight’s solicitation of proxies for its stockholders’ meeting to be held to approve the Business Combination because the proxy statement/prospectus will contain important information about ArcLight, OPAL Fuels and the Business Combination. Stockholders will also be able to obtain copies of the Registration Statement, without charge, once available, at the SEC’s website at www.sec.gov. In addition, the documents filed by ArcLight may be obtained free of charge from ArcLight at https://www.arclightclean.com or by directing a request to: ArcLight Clean Transition Corp. II, 200 Clarendon Street, 55th Floor, Boston, MA 02116.

Participants in the Solicitation
ArcLight, OPAL Fuels and their respective directors, executive officers, other members of management and employees, under SEC rules, may be deemed to be participants in the solicitation of proxies of ArcLight’s shareholders in connection with the Business Combination. Investors and security holders may obtain more detailed information regarding the names and interests in the Business Combination of ArcLight’s directors and officers, and OPAL Fuels’ directors and executive officers, in ArcLight’s filings with the SEC, including the Registration Statement.

Forward-Looking Statements
Certain statements in this communication may be considered forward-looking statements. Forward-looking statements are statements that are not historical facts and generally relate to future events or ArcLight’s or the OPAL Fuels’ future financial or other performance metrics. In some cases, you can identify forward-looking statements by terminology such as “believe,” “may,” “will,” “potentially,” “estimate,” “continue,” “anticipate,” “intend,” “could,” “would,” “project,” “target,” “plan,” “expect,” or the negatives of these terms or variations of them or similar terminology. Such forward-looking statements, including the identification of a target business and a potential business combination or other such transaction are subject to risks and uncertainties, which could cause actual results to differ materially from those expressed or implied by such forward looking statements. New risks and uncertainties may emerge from time to time, and it is not possible to predict all risks and uncertainties. These forward-looking statements are based upon estimates and assumptions that, while considered reasonable by ArcLight and its management, and OPAL Fuels and its management, as the case may be, are inherently uncertain and subject to material change. Factors that may cause actual results to differ materially from current expectations include, but are not limited to, various factors beyond management’s control, including general economic conditions and other risks, uncertainties and factors set forth in the section entitled “Risk Factors” and “Cautionary Note Regarding Forward-Looking Statements” in the Registration Statement and other filings with the Securities and Exchange Commission (SEC), as well as (1) the inability to complete the proposed transaction; (2) factors associated with companies, such as OPAL Fuels, that are engaged in the production and integration of renewable natural gas (RNG), including anticipated trends, growth rates, and challenges in those businesses and in the markets in which they operate; (3) macroeconomic conditions related to the global COVID-19 pandemic; (4) the effects of increased competition; (5) contractual arrangements with, and the cooperation of, landfill and livestock waste site owners and operators, on which OPAL Fuels operates its landfill gas and livestock waste projects that generate electricity and RNG prices for environmental attributes, low carbon fuel standard credits and other incentives; (6) the ability to identify, acquire, develop and operate renewable projects and RNG fueling stations; (7) the failure to realize the anticipated benefits of the proposed transaction, which may be affected by, among other things, competition, the ability of the combined company to grow and manage growth profitably, maintain relationships with customers and suppliers and retain key employees; (8) delays in obtaining, adverse conditions contained in, or the inability to obtain necessary regulatory approvals or complete regulatory reviews required to complete the proposed transaction; (9) the outcome of any legal proceedings that may be instituted in connection with the proposed transaction; (10) the amount of redemption requests made by ArcLight’s public shareholders; and (11) the ability of the combined company that results from the proposed transaction to issue equity or equity-linked securities or obtain debt financing in connection with the transaction or in the future. Nothing in this communication should be regarded as a representation by any person that the forward-looking statements set forth herein will be achieved or that any of the contemplated results of such forward-looking statements will be achieved. You should not place undue reliance on forward-looking statements in this communication, which speak only as of the date they are made and are qualified in their entirety by reference to the cautionary statements herein. Both ArcLight and OPAL Fuels expressly disclaim any obligations or undertaking to release publicly any updates or revisions to any forward-looking statements contained herein to reflect any change in ArcLight’s or OPAL Fuels’ expectations with respect thereto or any change in events, conditions or circumstances on which any statement is based.

Disclaimer
This communication is for informational purposes only and is neither an offer to purchase, nor a solicitation of an offer to sell, subscribe for or buy, any securities or the solicitation of any vote in any jurisdiction pursuant to the Business Combination or otherwise, nor shall there be any sale, issuance or transfer or securities in any jurisdiction in contravention of applicable law. No offer of securities shall be made except by means of a prospectus meeting the requirements of Section 10 of the Securities Act.

Contact information

OPAL Fuels

Media
Jason Stewart
Senior Director Public Relations and Marketing
914-421-5336
jstewart@opalfuels.com

ICR, Inc.
OPALFuelsPR@icrinc.com

Investors
ICR, Inc.
OPALFuelsIR@icrinc.com

ArcLight Clean Transition Corp. II

Marco Gatti
Chief Financial Officer
617-531-6300
investor.relations@arclightclean.com