Forward-Looking Statements
This communication includes certain statements that may constitute forward-looking statements within the meaning of Section 27A of the
Securities Act of 1933, as amended (the Securities Act), and Section 21E of the Securities Exchange Act of 1934, as amended. Forward-looking statements include, but are not limited to, statements that refer to projections, forecasts
or other characterizations of future events or circumstances, including any underlying assumptions. The words anticipate, believe, continue, could, estimate, expect,
intends, may, might, plan, possible, potential, predict, project, should, would and similar expressions may identify
forward-looking statements, but the absence of these words does not mean that a statement is not forward-looking. Forward-looking statements may include, for example, statements about Hammerhead Resources Inc.s (Hammerhead) or
Decarbonization Plus Acquisition Corporation IVs (DCRD) ability to effectuate the proposed business combination discussed in this communication; the benefits of the proposed business combination; the future financial performance of
Hammerhead Energy Inc., which will be the go-forward public company following the completion of the business combination (NewCo), following the transactions; changes in Hammerheads
strategy, future operations, financial position, estimated revenues and losses, projected costs, prospects, plans and objectives of management. These forward-looking statements are based on information available as of the date of this communication,
and current expectations, forecasts and assumptions, and involve a number of judgments, risks and uncertainties. Accordingly, forward-looking statements should not be relied upon as representing NewCos, Hammerheads or DCRDs views
as of any subsequent date, and none of NewCo, Hammerhead or DCRD undertakes any obligation to update forward-looking statements to reflect events or circumstances after the date they were made, whether as a result of new information, future events
or otherwise, except as may be required under applicable securities laws. Neither NewCo nor DCRD gives any assurance that either NewCo or DCRD will achieve its expectations. You should not place undue reliance on these forward-looking statements. As
a result of a number of known and unknown risks and uncertainties, NewCos actual results or performance may be materially different from those expressed or implied by these forward-looking statements. Some factors that could cause actual
results to differ include: (i) the timing to complete the proposed business combination by DCRDs business combination deadline and the potential failure to obtain an extension of the business combination deadline if sought by DCRD;
(ii) the occurrence of any event, change or other circumstances that could give rise to the termination of the definitive agreements relating to the proposed business combination; (iii) the outcome of any legal, regulatory or governmental
proceedings that may be instituted against NewCo, DCRD, Hammerhead or any investigation or inquiry following announcement of the proposed business combination, including in connection with the proposed business combination; (iv) the inability
to complete the proposed business combination due to the failure to obtain approval of DCRDs shareholders; (v) Hammerheads and NewCos success in retaining or recruiting, or changes required in, its officers, key employees or
directors following the proposed business combination; (vi) the ability of the parties to obtain the listing of NewCos common shares and warrants on Nasdaq upon the closing of the proposed business combination; (vii) the risk that
the proposed business combination disrupts current plans and operations of Hammerhead; (viii) the ability to recognize the anticipated benefits of the proposed business combination; (ix) unexpected costs related to the proposed business
combination; (x) the amount of redemptions by DCRDs public shareholders being greater than expected; (xi) the management and board composition of NewCo following completion of the proposed business combination; (xii) limited
liquidity and trading of NewCos securities; (xiii) geopolitical risk and changes in applicable laws or regulations; (xiv) the possibility that Hammerhead or DCRD may be adversely affected by other economic, business, and/or
competitive factors; (xv) operational risks; (xvi) the possibility that the COVID-19 pandemic or another major disease disrupts Hammerheads business; (xvii) litigation and
regulatory enforcement risks, including the diversion of management time and attention and the additional costs and demands on Hammerheads resources;(xix) the risks that the consummation of the proposed business combination is substantially
delayed or does not occur; and (xx) other risks and uncertainties indicated from time to time in the proxy statement/prospectus relating to the proposed business combination, including those under Risk Factors therein, and in
DCRDs other filings with the Securities and Exchange Commission (SEC).