Description of Securities of the Registrant

Exhibit 4.5

DESCRIPTION OF REGISTRANT’S SECURITIES

The following description of the securities of Advanced Merger Partners, Inc. is a summary and does not purport to be complete. This summary is subject to and qualified in its entirety by reference to the full text of our amended and restated certificate of incorporation and our bylaws, each of which is incorporated by reference as an exhibit to the Annual Report on Form 10-K (the “Report”) of which this Exhibit 4.5 is a part. We encourage you to read our certificate of incorporation, our bylaws, and the applicable provisions of the General Corporation law of the State of Delaware for additional information.

In this document, unless the context otherwise requires, references to:

General

We are a Delaware corporation and our affairs are governed by our amended and restated certificate of incorporation and the Delaware General Corporation Law. Pursuant to our amended and restated certificate of incorporation, we are authorized to issue 220,000,000 shares of common stock, $0.0001 par value each, including 200,000,000 shares of Class A common stock and 20,000,000 shares of Class B common stock, as well as 1,000,000 shares of preferred stock, $0.0001 par value each. The following description summarizes certain terms of our capital stock as set out more particularly in our amended and restated certificate of incorporation. Because it is only a summary, it may not contain all the information that is important to you.

Units

Each unit consists of one share of Class A common stock and one-sixth of one redeemable warrant. Each whole warrant entitles the holder thereof to purchase one share of Class A common stock at a price of $11.50 per share, subject to adjustment as described in this prospectus. Pursuant to the warrant agreement, a warrant holder may exercise its warrants only for a whole number of shares of Class A common stock. This means only a whole warrant may be exercised at any given time by a warrant holder. Accordingly, unless you purchased at least six units, you will not be able to receive or trade a whole warrant.

The Class A common stock and warrants comprising the units began separate trading April 22, 2021. Holders have the option to continue to hold units or separate their units into the component securities. Holders will need to have their brokers contact our transfer agent in order to separate the units into Class A common stock and warrants. No fractional warrants will be issued upon separation of the units and only whole warrants will trade.

Common Stock

Stockholders of record are entitled to one vote for each share held on all matters to be voted on by stockholders. Prior to our initial business combination, only holders of our founder shares have the right to vote on the election of directors. Holders of our public shares are to entitled to vote on the election of directors during such time. In addition, prior to the completion of an initial business combination, holders of a majority of our founder shares may remove a member of the board of directors for any reason. These provisions of our amended and restated certificate of incorporation may only be amended by approval of a majority of at least 90% of our Class B common stock voting in an annual meeting. With respect to any other matter submitted to a vote of our stockholders, including any vote in connection with our initial business combination, except as required by law, holders of our founder shares and holders of our public shares will vote together as a single class, with each share entitling the holder to one vote. Unless specified in our amended and restated certificate of incorporation, or as required by applicable provisions of the DGCL or applicable stock exchange rules, the affirmative vote of a majority of our shares of common stock that are voted is required to approve any such matter voted on by our stockholders. There is no cumulative voting with respect to the election of directors, with the result that the holders of more than 50% of the shares voted for the election of directors can elect all of the directors. Our stockholders are entitled to receive ratable dividends when, as and if declared by the board of directors out of funds legally available therefor.

Because our amended and restated certificate of incorporation authorizes the issuance of up to 200,000,000 shares of Class A common stock, if we were to enter into a business combination, we may (depending on the terms of such a business combination) be required to increase the number of shares of Class A common stock which we are authorized to issue at the same time as our stockholders vote on the business combination to the extent we seek stockholder approval in connection with our initial business combination.

In accordance with the NYSE corporate governance requirements, we are not required to hold an annual meeting until no later than one year after our first full fiscal year end following our listing on the NYSE. Under Section 211(b) of the DGCL, we are, however, required to hold an annual meeting of stockholders for the purposes of electing directors in accordance with our bylaws, unless such election is made by written consent in lieu of such a meeting. We may not hold an annual meeting of stockholders to elect new directors prior to the consummation of our initial business combination, and thus we may not be in compliance with Section 211(b) of the DGCL, which requires an annual meeting. Therefore, if our stockholders want us to hold an annual meeting prior to the consummation of our initial business combination, they may attempt to force us to hold one by submitting an application to the Delaware Court of Chancery in accordance with Section 211(c) of the DGCL.

We will provide our public stockholders with the opportunity to redeem all or a portion of their public shares upon the completion of our initial business combination at a per-share price, payable in cash, equal to the aggregate amount then on deposit in the trust account calculated as of two business days prior to the consummation of our initial business combination, including interest earned on the funds held in the trust account and not previously released to us to pay our taxes, divided by the number of then outstanding public shares, subject to the limitations described herein. The amount in the trust account is initially anticipated to be $10.00 per public share. The per share amount we will distribute to investors who properly redeem their shares will not be reduced by the deferred underwriting commissions we will pay to the underwriters. Our initial stockholders, officers, and directors have

entered into a letter agreement with us, pursuant to which they have agreed to waive their redemption rights with respect to any founder shares and public shares they hold in connection with the completion of our initial business combination. Unlike many special purpose acquisition companies that hold stockholder votes and conduct proxy solicitations in conjunction with their initial business combinations and provide for related redemptions of public shares for cash upon completion of such initial business combinations even when a vote is not required by law, if a stockholder vote is not required by law and we do not decide to hold a stockholder vote for business or other legal reasons, we will, pursuant to our amended and restated certificate of incorporation, conduct the redemptions pursuant to the tender offer rules of the SEC, and file tender offer documents with the SEC prior to completing our initial business combination. Our amended and restated certificate of incorporation requires these tender offer documents to contain substantially the same financial and other information about our initial business combination and the redemption rights as is required under the SEC’s proxy rules. If, however, a stockholder approval of the transaction is required by law, or we decide to obtain stockholder approval for business or other legal reasons, we will, like many special purpose acquisition companies, offer to redeem shares in conjunction with a proxy solicitation pursuant to the proxy rules and not pursuant to the tender offer rules. If we seek stockholder approval, we will complete our initial business combination only if a majority of the shares of common stock voted are voted in favor of our initial business combination. However, the participation of our sponsor, officers, directors, advisors or their affiliates in privately-negotiated transactions (as described in this prospectus), if any, could result in the approval of our initial business combination even if a majority of our public stockholders vote, or indicate their intention to vote, against such initial business combination. For purposes of seeking approval of the majority of our outstanding shares of common stock, non-votes will have no effect on the approval of our initial business combination once a quorum is obtained.

If we seek stockholder approval of our initial business combination and we do not conduct redemptions in connection with our initial business combination pursuant to the tender offer rules, our amended and restated certificate of incorporation provides that a public stockholder, together with any affiliate of such stockholder or any other person with whom such stockholder is acting in concert or as a “group” (as defined under Section 13 of the Exchange Act), will be restricted from redeeming its shares with respect to Excess Shares, without our prior consent. However, we would not be restricting our stockholders’ ability to vote all of their shares (including Excess Shares) for or against our initial business combination. Our stockholders’ inability to redeem the Excess Shares will reduce their influence over our ability to complete our initial business combination, and such stockholders could suffer a material loss in their investment if they sell such Excess Shares on the open market. Additionally, such stockholders will not receive redemption distributions with respect to the Excess Shares if we complete our initial business combination. And, as a result, such stockholders will continue to hold that number of shares exceeding 15% and, in order to dispose such shares would be required to sell their shares in open market transactions, potentially at a loss.

If we seek stockholder approval in connection with our initial business combination, our initial stockholders, officers and directors have agreed to vote any founder shares they hold and any public shares purchased during or after our initial public offering in favor of our initial business combination. Additionally, each public stockholder may elect to redeem their public shares irrespective of whether they vote for or against the proposed transaction.

Pursuant to our amended and restated certificate of incorporation, if we are unable to complete our initial business combination by March 4, 2023, we will (i) cease all operations except for the purpose of winding up, (ii) as promptly as reasonably possible but no more than ten business days thereafter, redeem the public shares, at a per-share price, payable in cash, equal to the aggregate amount then on deposit in the trust account, including interest earned on the funds held in the trust account and not previously released to us (less taxes payable and up to $100,000 of interest to pay dissolution expenses), divided by the number of then outstanding public shares, which redemption will completely extinguish public stockholders’ rights as stockholders (including the right to receive further liquidating distributions, if any), and (iii) as promptly as reasonably possible following such redemption, subject to the approval of our remaining stockholders and our board of directors, liquidate and dissolve, subject in each case to our obligations under Delaware law to provide for claims of creditors and the requirements of other applicable law. Our initial stockholders have entered into agreements with us, pursuant to which they have agreed to waive their rights to liquidating distributions from the trust account with respect to their founder shares if we fail to complete our initial business combination by March 4, 2023 or during any Extension Period. However, if our initial stockholders or management team acquire public shares in or after our initial public offering, they will be entitled to liquidating distributions from the trust account with respect to such public shares if we fail to complete our initial business combination within the prescribed time period.

In the event of a liquidation, dissolution or winding up of the company after a business combination, our stockholders are entitled to share ratably in all assets remaining available for distribution to them after payment of liabilities and after provision is made for each class of shares, if any, having preference over the common stock. Our stockholders have no preemptive or other subscription rights. There are no sinking fund provisions applicable to the common stock, except that we will provide our public stockholders with the opportunity to redeem their public shares for cash at a per share price equal to the aggregate amount then on deposit in the trust account, including interest earned on the funds held in the trust account and not previously released to us to pay our taxes, divided by the number of then outstanding public shares, upon the completion of our initial business combination, subject to the limitations described herein.

Founder Shares

The founder shares are designated as Class B common stock and, except as described below, are identical to the shares of Class A common stock included in the units sold in our initial public offering, and holders of founder shares have the same stockholder rights as public stockholders, except that (i) the founder shares are subject to certain transfer restrictions, as described in more detail below, (ii) our initial stockholders, officers and directors have entered into a letter agreement with us, pursuant to which they have agreed (A) to waive their redemption rights with respect to any founder shares and public shares they hold in connection with the completion of our initial business combination, (B) to waive their redemption rights with respect to any founder shares and public shares they hold in connection with a stockholder vote to approve an amendment to our amended and restated certificate of incorporation to modify the substance or timing of our obligation to redeem 100% of our public shares if we have not consummated an initial business combination by March 4, 2023 or with respect to any other material provisions relating to stockholders’ rights or pre-initial business combination activity and (C) to waive their rights to liquidating distributions from the trust account with respect to any founder shares they hold if we fail to complete our initial business combination by March 4, 2023 or during any Extension Period, although they will be entitled to liquidating distributions from the trust account with respect to any public shares they hold if we fail to complete our initial business combination within such time period, (iii) the founder shares are automatically convertible into Class A common stock concurrently with or immediately following the consummation of our initial business combination on a one-for-one basis, subject to adjustment as described herein and in our amended and restated certificate of incorporation, and (iv) prior to the completion of our initial business combination, only our founder shares will have the right to vote on the election of our directors. If we submit our initial business combination to our public stockholders for a vote, our initial stockholders and each member of our management team have agreed to vote their founder shares and any public shares purchased during or after our initial public offering in favor of our initial business combination.

The founder shares will automatically convert into shares of Class A common stock concurrently with or immediately following the consummation of our initial business combination on a one-for-one basis, subject to adjustment for stock splits, stock dividends, reorganizations, recapitalizations and the like, and subject to further adjustment as provided herein. In the case that additional shares of Class A common stock or equity-linked securities are issued or deemed issued in connection with our initial business combination, the number of shares of Class A common stock issuable upon conversion of all founder shares will equal, in the aggregate, on an as-converted basis, 20% of the total number of shares of Class A common stock outstanding after such conversion (after giving effect to any redemptions of shares of Class A common stock by public stockholders), including the total number of shares of Class A common stock issued, or deemed issued or issuable upon conversion or exercise of any equity-linked securities or rights issued or deemed issued, by the Company in connection with or in relation to the consummation of the initial business combination, excluding any shares of Class A common stock or equity-linked securities or rights exercisable for or convertible into shares of Class A common stock issued, or to be issued, to any seller in the initial business combination and any private placement warrants issued to our sponsor or an affiliate of our sponsor, officers or directors upon conversion of working capital loans, provided that such conversion of founder shares will never occur on a less than one-for-one basis.

With certain limited exceptions, the founder shares are not transferable, assignable or salable until the earlier of (A) one year after the completion of our initial business combination or earlier if, subsequent to our initial business combination, the closing price of the Class A common stock equals or exceeds $12.00 per share (as adjusted for stock splits, stock capitalizations, reorganizations, recapitalizations and the like) for any 20 trading days within any 30-trading day period commencing at least 150 days after our initial business combination, and (B) the date following the completion of our initial business combination on which we complete a liquidation, merger, capital stock exchange or other similar transaction that results in all of our stockholders having the right to exchange their Class A common stock for cash, securities or other property.

Prior to our initial business combination, only holders of our founder shares have the right to vote on the election of directors. Holders of our public shares are not entitled to vote on the election of directors during such time. In addition, prior to the completion of an initial business combination, holders of a majority of our founder shares may remove a member of the board of directors for any reason. These provisions of our amended and restated certificate of incorporation may only be amended by approval of a majority of at least 90% of our Class B common stock voting in an annual meeting. With respect to any other matter submitted to a vote of our stockholders, including any vote in connection with our initial business combination, except as required by law, holders of our founder shares and holders of our public shares will vote together as a single class, with each share entitling the holder to one vote.

Preferred Stock

Our amended and restated certificate of incorporation authorizes 1,000,000 shares of preferred stock and provides that shares of preferred stock may be issued from time to time in one or more series. Our board of directors is authorized to fix the voting rights, if any, designations, powers, preferences, the relative, participating, optional or other special rights and any qualifications, limitations and restrictions thereof, applicable to the shares of each series. Our board of directors is able to, without stockholder approval, issue shares of preferred stock with voting and other rights that could adversely affect the voting power and other rights of the holders of the common stock and could have anti-takeover effects. The ability of our board of directors to issue shares of preferred stock without stockholder approval could have the effect of delaying, deferring or preventing a change of control of us or the removal of existing management. We have no preferred shares outstanding at the date hereof. Although we do not currently intend to issue any shares of preferred stock, we cannot assure you that we will not do so in the future. No shares of preferred stock were issued or registered in our initial public offering.

Warrants

Public Stockholders’ Warrants

Each whole warrant entitles the registered holder to purchase one share of Class A common stock at a price of $11.50 per share, subject to adjustment as discussed below, at any time commencing on the later of March 4, 2022 and 30 days after the completion of our initial business combination, provided in each case that we have an effective registration statement under the Securities Act covering the shares of Class A common stock issuable upon exercise of the warrants and a current prospectus relating to them is available (or we permit holders to exercise their warrants on a cashless basis under the circumstances specified in the warrant agreement) and such shares are registered, qualified or exempt from registration under the securities, or blue sky, laws of the state of residence of the holder. Pursuant to the warrant agreement, a warrant holder may exercise its warrants only for a whole number of shares of Class A common stock. This means only a whole warrant may be exercised at a given time by a warrant holder. No fractional warrants will be issued upon separation of the units and only whole warrants will trade. Accordingly, unless you purchase at least six units, you will not be able to receive or trade a whole warrant. The warrants will expire five years after the completion of our initial business combination, at 5:00 p.m., New York City time, or earlier upon redemption or liquidation.

We will not be obligated to deliver any Class A common stock pursuant to the exercise of a warrant and will have no obligation to settle such warrant exercise unless a registration statement under the Securities Act with respect to the Class A common stock underlying the warrants is then effective and a prospectus relating thereto is current, subject to our satisfying our obligations described below with respect to registration. No warrant will be exercisable and we will not be obligated to issue a share of Class A common stock upon exercise of a warrant unless the share of Class A common stock issuable upon such warrant exercise has been registered, qualified or deemed to be exempt under the securities laws of the state of residence of the registered holder of the warrants. In the event that the conditions in the two immediately preceding sentences are not satisfied with respect to a warrant, the holder of such warrant will not be entitled to exercise such warrant and such warrant may have no value and expire worthless. In no event will we be required to net cash settle any warrant. In the event that a registration statement is not effective for the exercised warrants, the purchaser of a unit containing such warrant will have paid the full purchase price for the unit solely for the share of Class A common stock underlying such unit.

We have agreed that as soon as practicable, but in no event later than fifteen (15) business days after the closing of our initial business combination, we will use our best efforts to file with the SEC a registration statement for the registration, under the Securities Act, of the Class A common stock issuable upon exercise of the warrants. We will use our best efforts to cause the same to become effective and to maintain the effectiveness of such registration statement, and a current prospectus relating thereto, until the expiration of the warrants in accordance with the provisions of the warrant agreement. If a registration statement covering the shares of Class A common stock issuable upon exercise of the warrants is not effective by the sixtieth (60th) business day after the closing of our initial business combination, warrant holders may, until such time as there is an effective registration statement and during any period when we will have failed to maintain an effective registration statement, exercise warrants on a “cashless basis” in accordance with Section 3(a)(9) of the Securities Act or another exemption. Notwithstanding the above, if our Class A common stock are at the time of any exercise of a warrant not listed on a national securities exchange such that they satisfy the definition of a “covered security” under Section 18(b)(1) of the Securities Act, we may, at our option, require holders of public warrants who exercise their warrants to do so on a “cashless basis” in accordance with Section 3(a)(9) of the Securities Act and, in the event we so elect, we will not be required to file or maintain in effect a registration statement, and in the event we do not so elect, we will use our best efforts to register or qualify the shares under applicable blue sky laws to the extent an exemption is not available. In such event, each holder would pay the exercise price by surrendering each such warrant for that number of shares of our Class A common stock equal to the lesser of (A) the quotient obtained by dividing (x) the product of the number of shares of our Class A common stock underlying the warrants, multiplied the excess of the “fair market value” less the exercise price of the warrants by (y) the fair market value and (B) 0.361. The “fair market value” shall mean the volume weighted average price of the shares of our Class A common stock for the ten trading days ending on the trading day prior to the date on which the notice of exercise is received by the warrant agent.

Redemption of Warrants When the Price per Share of Our Class A Common Stock Equals or Exceeds $18.00

Once the warrants become exercisable, we may redeem the outstanding warrants (except as described herein with respect to the private placement warrants):

If and when the warrants become redeemable by us for cash, we may exercise our redemption right even if we are unable to register or qualify the underlying securities for sale under all applicable state securities laws. However, we will not redeem the warrants unless an effective registration statement under the Securities Act covering the shares of our Class A common stock issuable upon exercise of the warrants is effective and a current prospectus relating to those shares of our Class A common stock is available throughout the 30-day redemption period.

We have established the last of the redemption criterion discussed above to prevent a redemption call unless there is at the time of the call a significant premium to the warrant exercise price. If the foregoing conditions are satisfied and we issue a notice of redemption of the warrants, each warrant holder will be entitled to exercise his, her or its warrant prior to the scheduled redemption date. However, the price of the Class A common stock may fall below the $18.00 redemption trigger price (as adjusted for stock splits, stock capitalizations, reorganizations, recapitalizations and the like) as well as the $11.50 warrant exercise price after the redemption notice is issued.

Redemption of Warrants When the Price per Share of Our Class A Common Stock Equals or Exceeds $10.00

Once the warrants become exercisable, we may redeem the outstanding warrants:

The numbers in the table below represent the number of shares of our Class A common stock that a warrant holder will receive upon exercise in connection with a redemption by us pursuant to this redemption feature, based on the “fair market value” of our Class A common stock on the corresponding redemption date (assuming holders elect to exercise their warrants and such warrants are not redeemed for $0.10 per warrant), determined based on volume-weighted average price of our Class A common stock as reported during the ten trading days immediately following the date on which the notice of redemption is sent to the holders of warrants, and the number of months that the corresponding redemption date precedes the expiration date of the warrants, each as set forth in the table below. We will provide our warrant holders with the final fair market value no later than one business day after the 10-trading day period described above ends.

Pursuant to the warrant agreement, references above to shares of our Class A common stock shall include a security other than shares of our Class A common stock into which the shares of our Class A common stock have been converted or exchanged for in the event we are not the surviving company in our initial business combination. The numbers in the table below will not be adjusted when determining the number of shares of our Class A common stock to be issued upon exercise of the warrants if we are not the surviving entity following our initial business combination.

The stock prices set forth in the column headings of the table below will be adjusted as of any date on which the number of shares issuable upon exercise of a warrant or the exercise price of a warrant is adjusted as set forth under the heading “—Anti-dilution Adjustments” below. If the number of shares issuable upon exercise of a warrant is adjusted, the adjusted stock prices in the column headings will equal the stock prices immediately prior to such adjustment, multiplied by a fraction, the numerator of which is the exercise price of the warrant after such adjustment and the denominator of which is the exercise price of the warrant immediately prior to such adjustment. In such an event, the number of shares in the table below shall be adjusted by multiplying such share amounts by a fraction, the numerator of which is the number of shares deliverable upon exercise of the warrant immediately prior to such adjustment and the denominator of which is the number of shares deliverable upon exercise of the warrant as so adjusted. If the exercise price of a warrant is adjusted, as a result of raising capital in connection with the initial business combination, the adjusted stock prices in the column headings will by multiplied by a fraction, the numerator of which is the higher of the Market Value and the Newly Issued Price as set forth under the heading “—Anti-dilution Adjustments” and the denominator of which is $10.00.

The exact fair market value and redemption date may not be set forth in the table above, in which case, if the fair market value is between two values in the table or the redemption date is between two redemption dates in the table, the number of shares of our Class A common stock to be issued for each warrant exercised will be determined by a straight-line interpolation between the number of shares set forth for the higher and lower fair market values and the earlier and later redemption dates, as applicable, based on a 365 or 366-day year, as applicable. For example, if the volume-weighted average price of our Class A common stock as reported during the ten trading days immediately following the date on which the notice of redemption is sent to the holders of the warrants is $11.00 per share, and at such time there are 57 months until the expiration of the warrants, holders may choose to, in connection with this redemption feature, exercise their warrants for 0.277 Class A common stock for each whole warrant. For an example where the exact fair market value and redemption date are not as set forth in the table above, if the volume-weighted average price of our Class A common stock as reported during the ten trading days immediately following the date on which the notice of redemption is sent to the holders of the warrants is $13.50 per share, and at such time there are 38 months until the expiration of the warrants, holders may choose to, in connection with this redemption feature, exercise their warrants for 0.298 Class A common stock for each whole warrant. In no event will the warrants be exercisable in connection with this redemption feature for more than 0.361 Class A common stock per warrant (subject to adjustment).

This redemption feature differs from the typical warrant redemption features used in many other blank check offerings, which typically only provide for a redemption of warrants for cash (other than the private placement warrants) when the trading price for the shares of our Class A common stock exceeds $18.00 per share for a specified period of time. This redemption feature is structured to allow for all of the outstanding warrants to be redeemed when the shares of our Class A common stock are trading at or above $10.00 per share, which may be at a time when the trading price of our shares of Class A common stock is below the exercise price of the warrants. We have established this redemption feature to provide us with the flexibility to redeem the warrants without the warrants having to reach the $18.00 per share threshold set forth above under “— Redemption of Warrants When the Price per Share of Our Class A Common Stock Equals or Exceeds $18.00.” Holders choosing to exercise their warrants in connection with a redemption pursuant to this feature will, in effect, receive a number of shares for their warrants based on an option pricing model with a fixed volatility input as of the date of this prospectus. This redemption right provides us with an additional mechanism by which to redeem all of the outstanding warrants, and therefore have certainty as to our capital structure as the warrants would no longer be outstanding and would have been exercised or redeemed. We will be required to pay the applicable redemption price to warrant holders if we

choose to exercise this redemption right and it will allow us to quickly proceed with a redemption of the warrants if we determine it is in our best interest to do so. As such, we would redeem the warrants in this manner when we believe it is in our best interest to update our capital structure to remove the warrants and pay the redemption price to the warrant holders.

As stated above, we can redeem the warrants when the shares of our Class A common stock are trading at a price starting at $10.00, which is below the exercise price of $11.50, because it will provide certainty with respect to our capital structure and cash position while providing warrant holders with the opportunity to exercise their warrants on a cashless basis for the applicable number of shares. If we choose to redeem the warrants when the shares of our Class A common stock are trading at a price below the exercise price of the warrants, this could result in the warrant holders receiving fewer Class A common stock than they would have received if they had chosen to wait to exercise their warrants for Class A common stock if and when such Class A common stock were trading at a price higher than the exercise price of $11.50.

No fractional shares of our Class A common stock will be issued upon exercise. If, upon exercise, a holder would be entitled to receive a fractional interest in a share, we will round down to the nearest whole number of the number of shares of our Class A common stock to be issued to the holder. If, at the time of redemption, the warrants are exercisable for a security other than the shares of our Class A common stock pursuant to the warrant agreement (for instance, if we are not the surviving company in our initial business combination), the warrants may be exercised for such security. At such time as the warrants become exercisable for a security other than the shares of our Class A common stock, the Company (or surviving company) will use its commercially reasonable efforts to register under the Securities Act the security issuable upon the exercise of the warrants.

Redemption Procedures. A holder of a warrant may notify us in writing in the event it elects to be subject to a requirement that such holder will not have the right to exercise such warrant, to the extent that after giving effect to such exercise, such person (together with such person’s affiliates), to the warrant agent’s actual knowledge, would beneficially own in excess of 4.9% or 9.8% (as specified by the holder) of the shares of our Class A common stock issued and outstanding immediately after giving effect to such exercise.

Anti-dilution Adjustments. If the number of outstanding shares of our Class A common stock is increased by a stock capitalization or stock dividend payable in shares of our Class A common stock, or by a split-up of common stock or other similar event, then, on the effective date of such stock capitalization or stock dividend, split-up or similar event, the number of shares of our Class A common stock issuable on exercise of each warrant will be increased in proportion to such increase in the outstanding shares of common stock. A rights offering to holders of common stock entitling holders to purchase Class A common stock at a price less than the “historical fair market value” (as defined below) will be deemed a stock dividend of a number of shares of our Class A common stock equal to the product of (i) the number of shares of our Class A common stock actually sold in such rights offering (or issuable under any other equity securities sold in such rights offering that are convertible into or exercisable for Class A common stock) and (ii) one minus the quotient of (x) the price per share of our Class A common stock paid in such rights offering and (y) the historical fair market value. For these purposes, (i) if the rights offering is for securities convertible into or exercisable for shares of our Class A common stock, in determining the price payable for Class A common stock, there will be taken into account any consideration received for such rights, as well as any additional amount payable upon exercise or conversion and (ii) “historical fair market value” means the volume-weighted average price of shares of our Class A common stock as reported during the ten (10) trading day period ending on the trading day prior to the first date on which the shares of our Class A common stock trade on the applicable exchange or in the applicable market, regular way, without the right to receive such rights.

In addition, if we, at any time while the warrants are outstanding and unexpired, pay a dividend or make a distribution in cash, securities or other assets to the holders of shares of our Class A common stock on account of such Class A common stock (or other securities into which the warrants are convertible), other than (a) as described above, (b) any cash dividends or cash distributions which, when combined on a per share basis with all other cash dividends and cash distributions paid on the shares of our Class A common stock during the 365-day period ending on the date of declaration of such dividend or distribution does not exceed $0.50 (as adjusted to appropriately reflect any other adjustments and excluding cash dividends or cash distributions that resulted in an adjustment to the exercise price or to the number of shares of our Class A common stock issuable on exercise of each warrant) but only with respect to the amount of the aggregate cash dividends or cash distributions equal to or less than $0.50 per

share, (c) to satisfy the redemption rights of the holders of our Class A common stock in connection with a proposed initial business combination, (d) to satisfy the redemption rights of the holders of our Class A common stock in connection with a stockholder vote to approve an amendment to our amended and restated certificate of incorporation to modify the substance or timing of our obligation to redeem 100% of our public shares if we have not consummated an initial business combination by March 4, 2023 or with respect to any other material provisions relating to stockholders’ rights or pre-initial business combination activity, or (e) in connection with the redemption of our public shares upon our failure to complete our initial business combination, then the warrant exercise price will be decreased, effective immediately after the effective date of such event, by the amount of cash and/or the fair market value of any securities or other assets paid on each share of our Class A common stock in respect of such event.

If the number of outstanding shares of our Class A common stock is decreased by a consolidation, combination, reverse share split or reclassification of our Class A common stock or other similar event, then, on the effective date of such consolidation, combination, reverse share split, reclassification or similar event, the number of shares of our Class A common stock issuable on exercise of each warrant will be decreased in proportion to such decrease in outstanding shares of our Class A common stock.

Whenever the number of shares of our Class A common stock purchasable upon the exercise of the warrants is adjusted, as described above, the warrant exercise price will be adjusted by multiplying the warrant exercise price immediately prior to such adjustment by a fraction (x) the numerator of which will be the number of shares of our Class A common stock purchasable upon the exercise of the warrants immediately prior to such adjustment and (y) the denominator of which will be the number of shares of our Class A common stock so purchasable immediately thereafter.

In addition, if (x) we issue additional shares of our Class A common stock or equity-linked securities for capital raising purposes in connection with the closing of our initial business combination at an issue price or effective issue price of less than $9.20 per share of our Class A common stock (with such issue price or effective issue price to be determined in good faith by our board of directors and, in the case of any such issuance to our initial stockholders or their affiliates, without taking into account any founder shares held by our initial stockholders or such affiliates, as applicable, prior to such issuance) (the “Newly Issued Price”), (y) the aggregate gross proceeds from such issuances represent more than 60% of the total equity proceeds, and interest thereon, available for the funding of our initial business combination on the date of the consummation of our initial business combination (net of redemptions), and (z) the volume-weighted average trading price of our Class A common stock during the 20 trading day period starting on the trading day after the day on which we complete our initial business combination (such price, the “Market Value”) is below $9.20 per share, the exercise price of the warrants will be adjusted (to the nearest cent) to be equal to 115% of the higher of the Market Value and the Newly Issued Price, and the $10.00 and $18.00 per share redemption trigger prices described adjacent to “Redemption of Warrants When the Price per Share of Our Class A Common Stock Equals or Exceeds $18.00” and “Redemption of Warrants When the Price per Share of Our Class A Common Stock Equals or Exceeds $10.00” will be adjusted (to the nearest cent) to be equal to 100% and 180% of the higher of the Market Value and the Newly Issued Price, respectively.

In case of any reclassification or reorganization of the outstanding Class A common stock (other than those described above or that solely affects the par value of such Class A common stock), or in the case of any merger or consolidation of us with or into another corporation (other than a consolidation or merger in which we are the continuing corporation and that does not result in any reclassification or reorganization of our outstanding Class A common stock), or in the case of any sale or conveyance to another corporation or entity of the assets or other property of us as an entirety or substantially as an entirety in connection with which we are dissolved, the holders of the warrants will thereafter have the right to purchase and receive, upon the basis and upon the terms and conditions specified in the warrants and in lieu of the shares of our Class A common stock immediately theretofore purchasable and receivable upon the exercise of the rights represented thereby, the kind and amount of our Class A common stock or other securities or property (including cash) receivable upon such reclassification, reorganization, merger or consolidation, or upon a dissolution following any such sale or transfer, that the holder of the warrants would have received if such holder had exercised their warrants immediately prior to such event. If less than 70% of the consideration receivable by the holders of our Class A common stock in such a transaction is payable in the form of our Class A common stock in the successor entity that is listed for trading on a national securities exchange or is quoted in an established over-the-counter market, or is to be so listed for trading or quoted immediately following

such event, and if the registered holder of the warrant properly exercises the warrant within thirty days following public disclosure of such transaction, the warrant exercise price will be reduced as specified in the warrant agreement based on the Black-Scholes value (as defined in the warrant agreement) of the warrant. The purpose of such exercise price reduction is to provide additional value to holders of the warrants when an extraordinary transaction occurs during the exercise period of the warrants pursuant to which the holders of the warrants otherwise do not receive the full potential value of the warrants.

The warrants were issued in registered form under a warrant agreement between Continental Stock Transfer & Trust Company, as warrant agent, and us. The warrant agreement provides that the terms of the warrants may be amended without the consent of any holder for the purpose of (i) curing any ambiguity or to correct any defective provision or mistake, including to conform the provisions of the warrant agreement to the description of the terms of the warrants and the warrant agreement set forth in this prospectus, (ii) adjusting the provisions relating to cash dividends on shares of common stock as contemplated by and in accordance with the warrant agreement or (iii) adding or changing any provisions with respect to matters or questions arising under the warrant agreement as the parties to the warrant agreement may deem necessary or desirable and that the parties deem to not adversely affect the rights of the registered holders of the warrants, provided that the approval by the holders of at least 50% of the then outstanding public warrants is required to make any change that adversely affects the interests of the registered holders of public warrants, and, solely with respect to any amendment to the terms of the private placement warrants, 50% of the then outstanding private placement warrants. You should review a copy of the warrant agreement, which was filed as an exhibit to the registration statement related to the initial public offering, for a complete description of the terms and conditions applicable to the warrants.

The warrants may be exercised upon surrender of the warrant certificate on or prior to the expiration date at the offices of the warrant agent, with the exercise form on the reverse side of the warrant certificate completed and executed as indicated, accompanied by full payment of the exercise price (or on a cashless basis, if applicable), by certified or official bank check payable to us, for the number of warrants being exercised. The warrant holders do not have the rights or privileges of holders of common stock and any voting rights until they exercise their warrants and receive Class A common stock. After the issuance of our Class A common stock upon exercise of the warrants, each holder will be entitled to one vote for each share held of record on all matters to be voted on by stockholders.

No fractional shares will be issued upon exercise of the warrants. If, upon exercise of the warrants, a holder would be entitled to receive a fractional interest in a share, we will, upon exercise, round down to the nearest whole number, the number of shares of our Class A common stock to be issued to the warrant holder.

Our warrant agreement provides that, subject to applicable law, (i) any action, proceeding or claim against us arising out of or relating in any way to the warrant agreement, including under the Securities Act, will be brought and enforced in the courts of the State of New York or the United States District Court for the Southern District of New York, and (ii) that we irrevocably submit to such jurisdiction, which jurisdiction shall be the exclusive forum for any such action, proceeding or claim. We will waive any objection to such exclusive jurisdiction and that such courts represent an inconvenient forum.

Notwithstanding the foregoing, these provisions of the warrant agreement do not apply to suits brought to enforce any liability or duty created by the Exchange Act or any other claim for which the federal district courts of the United States of America are the sole and exclusive forum. Any person or entity purchasing or otherwise acquiring any interest in any of our warrants shall be deemed to have notice of and to have consented to the forum provisions in our warrant agreement. If any action, the subject matter of which is within the scope of the forum provisions of the warrant agreement, is filed in a court other than a court of the State of New York or the United States District Court for the Southern District of New York (a “foreign action”) in the name of any holder of our warrants, such holder shall be deemed to have consented to: (x) the personal jurisdiction of the state and federal courts located in the State of New York in connection with any action brought in any such court to enforce the forum provisions (an “enforcement action”), and (y) having service of process made upon such warrant holder in any such enforcement action by service upon such warrant holder’s counsel in the foreign action as agent for such warrant holder.

Private Placement Warrants

The private placement warrants (including the Class A common stock issuable upon exercise of the private placement warrants) are not transferable, assignable or salable until 30 days after the completion of our initial business combination (except, among other limited exceptions, to our officers and directors and other persons or entities affiliated with the initial purchasers of the private placement warrants) and they will not be redeemable by us for cash so long as they are held by the initial stockholders or their permitted transferees. The initial purchasers, or their permitted transferees, have the option to exercise the private placement warrants on a cashless basis. Except as described in this section, the private placement warrants have terms and provisions that are identical to those of the warrants sold as part of the units in our initial public offering. If the private placement warrants are held by holders other than the initial purchasers or their permitted transferees, the private placement warrants will be redeemable by us and exercisable by the holders on the same basis as the warrants included in the units sold in our initial public offering.

If holders of the private placement warrants elect to exercise them on a cashless basis, they would pay the exercise price by surrendering his, her or its warrants for that number of shares of Class A common stock equal to the quotient obtained by dividing (x) the product of the number of shares of Class A common stock underlying the warrants, multiplied by the excess of the “fair market value” of our Class A common stock (defined below) over the exercise price of the warrants by (y) the fair market value. The “fair market value” will mean the average closing price of the Class A common stock for the 10 trading days ending on the third trading day prior to the date on which the notice of warrant exercise is sent to the warrant agent. The reason that we have agreed that these warrants will be exercisable on a cashless basis so long as they are held by the initial purchasers or their permitted transferees is because it is not known at this time whether they will be affiliated with us following a business combination. If they remain affiliated with us, their ability to sell our securities in the open market will be significantly limited. We expect to have policies in place that prohibit insiders from selling our securities except during specific periods of time. Even during such periods of time when insiders will be permitted to sell our securities, an insider cannot trade in our securities if he or she is in possession of material non-public information. Accordingly, unlike public stockholders who could exercise their warrants and sell the shares of Class A common stock received upon such exercise freely in the open market in order to recoup the cost of such exercise, the insiders could be significantly restricted from selling such securities. As a result, we believe that allowing the holders to exercise such warrants on a cashless basis is appropriate.

In order to finance transaction costs in connection with an intended initial business combination, our sponsor or an affiliate of our sponsor or certain of our officers and directors may, but are not obligated to, loan us funds as may be required. Up to $2,000,000 of such loans may be convertible into warrants of the post business combination entity at a price of $1.50 per warrant at the option of the lender. Such warrants would be identical to the private placement warrants.

Our initial stockholders have agreed not to transfer, assign or sell any of the private placement warrants (including the Class A common stock issuable upon exercise of any of these warrants) until the date that is 30 days after the date we complete our initial business combination, except under limited circumstances.

Dividends

We have not paid any cash dividends on our common stock to date and do not intend to pay cash dividends prior to the completion of a business combination. The payment of cash dividends in the future will be dependent upon our revenues and earnings, if any, capital requirements and general financial condition subsequent to completion of a business combination. The payment of any cash dividends subsequent to a business combination will be within the discretion of our board of directors at such time. If we incur any indebtedness, our ability to declare dividends may be limited by restrictive covenants we may agree to in connection therewith.

Our Transfer Agent and Warrant Agent

The transfer agent for our common stock and warrant agent for our warrants is Continental Stock Transfer & Trust Company. We have agreed to indemnify Continental Stock Transfer & Trust Company in its roles as transfer agent and warrant agent, its agents and each of its stockholders, directors, officers and employees against all claims and losses that may arise out of acts performed or omitted for its activities in that capacity, except for any liability due to any gross negligence or intentional misconduct of the indemnified person or entity. Continental Stock

Transfer & Trust Company has agreed that it has no right of set-off or any right, title, interest or claim of any kind to, or to any monies in, the trust account, and has irrevocably waived any right, title, interest or claim of any kind to, or to any monies in, the trust account that it may have now or in the future. Accordingly, any indemnification provided will only be able to be satisfied, or a claim will only be able to be pursued, solely against us and our assets outside the trust account and not against the any monies in the trust account or interest earned thereon.

Amended and Restated Certificate of Incorporation

Our amended and restated certificate of incorporation contains certain requirements and restrictions relating to our initial public offering that will apply to us until the completion of our initial business combination. These provisions cannot be amended without the approval of the holders of 65% of our common stock. Our initial stockholders, who collectively beneficially owned approximately 21% of our common stock upon the closing of our initial public offering, may participate in any vote to amend our amended and restated certificate of incorporation and will have the discretion to vote in any manner they choose. Specifically, our amended and restated certificate of incorporation provides, among other things, that:

In addition, our amended and restated certificate of incorporation provides that under no circumstances will we redeem our public shares in an amount that would cause our net tangible assets to be less than $5,000,001.

Certain Anti-Takeover Provisions of Delaware Law and our Amended and Restated Certificate of Incorporation and Bylaws

We are subject to the provisions of Section 203 of the DGCL regulating corporate takeovers. This statute prevents certain Delaware corporations, under certain circumstances, from engaging in a “business combination” with:

A “business combination” includes a merger or sale of more than 10% of our assets. However, the above provisions of Section 203 do not apply if:

Our authorized but unissued common stock and preferred stock are available for future issuances without stockholder approval and could be utilized for a variety of corporate purposes, including future offerings to raise additional capital, acquisitions and employee benefit plans. The existence of authorized but unissued and unreserved common stock and preferred stock could render more difficult or discourage an attempt to obtain control of us by means of a proxy contest, tender offer, merger or otherwise.

Exclusive Forum for Certain Lawsuits

Our amended and restated certificate of incorporation requires, unless we consent in writing to the selection of an alternative forum, that (i) any derivative action or proceeding brought on our behalf, (ii) any action asserting a claim of breach of a fiduciary duty owed by any director, officer or other employee to us or our stockholders, (iii) any action asserting a claim against us, our directors, officers or employees arising pursuant to any provision of the DGCL or our amended and restated certificate of incorporation or bylaws, or (iv) any action asserting a claim against us, our directors, officers or employees governed by the internal affairs doctrine may be brought only in the

Court of Chancery in the State of Delaware, except any claim (A) as to which the Court of Chancery of the State of Delaware determines that there is an indispensable party not subject to the jurisdiction of the Court of Chancery (and the indispensable party does not consent to the personal jurisdiction of the Court of Chancery within ten days following such determination), (B) which is vested in the exclusive jurisdiction of a court or forum other than the Court of Chancery or (C) for which the Court of Chancery does not have subject matter jurisdiction, as to which the Court of Chancery and the federal district court for the District of Delaware shall have concurrent jurisdiction. If an action is brought outside of Delaware, the stockholder bringing the suit will be deemed to have consented to service of process on such stockholder’s counsel.

Although we believe this provision benefits us by providing increased consistency in the application of Delaware law in the types of lawsuits to which it applies, a court may determine that this provision is unenforceable, and to the extent it is enforceable, the provision may have the effect of discouraging lawsuits against our directors and officers, although our stockholders will not be deemed to have waived our compliance with federal securities laws and the rules and regulations thereunder.

Notwithstanding the foregoing, our amended and restated certificate of incorporation provides that the exclusive forum provision will not apply to suits brought to enforce a duty or liability created by the Exchange Act or any other claim for which the federal courts have exclusive jurisdiction. Section 27 of the Exchange Act creates exclusive federal jurisdiction over all suits brought to enforce any duty or liability created by the Exchange Act or the rules and regulations thereunder. Additionally, unless we consent in writing to the selection of an alternative forum, the federal courts shall be the exclusive forum for the resolution of any complaint asserting a cause of action arising under the Securities Act against us or any of our directors, officers, other employees or agents. Section 22 of the Securities Act, however, created concurrent jurisdiction for federal and state courts over all suits brought to enforce any duty or liability created by the Securities Act or the rules and regulations thereunder. Accordingly, there is uncertainty as to whether a court would enforce such provisions, and the enforceability of similar choice of forum provisions in other companies’ charter documents has been challenged in legal proceedings. While the Delaware courts have determined that such exclusive forum provisions are facially valid, a stockholder may nevertheless seek to bring a claim in a venue other than those designated in the exclusive forum provisions, and there can be no assurance that such provisions will be enforced by a court in those other jurisdictions. Any person or entity purchasing or otherwise acquiring any interest in our securities shall be deemed to have notice of and consented to these provisions; however, we note that investors cannot waive compliance with the federal securities laws and the rules and regulations thereunder.

Special Meeting of Stockholders

Our bylaws provide that special meetings of our stockholders may be called only by a majority vote of our board of directors, by our Chief Executive Officer or by our Chairperson.

Advance Notice Requirements for Stockholder Proposals and Director Nominations

Our bylaws provide that stockholders seeking to bring business before our annual meeting of stockholders, or to nominate candidates for election as directors at our annual meeting of stockholders, must provide timely notice of their intent in writing. To be timely, a stockholder’s notice will need to be received by the company secretary at our principal executive offices not later than the close of business on the 90th day nor earlier than the opening of business on the 120th day prior to the anniversary date of the immediately preceding annual meeting of stockholders. Pursuant to Rule 14a-8 of the Exchange Act, proposals seeking inclusion in our annual proxy statement must comply with the notice periods contained therein. Our bylaws also specify certain requirements as to the form and content of a stockholders’ meeting. These provisions may preclude our stockholders from bringing matters before our annual meeting of stockholders or from making nominations for directors at our annual meeting of stockholders.

Action by Written Consent

Subsequent to the consummation of the offering, any action required or permitted to be taken by our common stockholders must be effected by a duly called annual or special meeting of such stockholders and may not be effected by written consent of the stockholders other than with respect to our Class B common stock.

Class B Common Stock Consent Right

For so long as any shares of Class B common stock remain outstanding, we may not, without the prior vote or written consent of the holders of a majority of the shares of Class B common stock then outstanding, voting separately as a single class, amend, alter or repeal any provision of our certificate of incorporation, whether by merger, consolidation or otherwise, if such amendment, alteration or repeal would alter or change the powers, preferences or relative, participating, optional or other or special rights of the Class B common stock. Any action required or permitted to be taken at any meeting of the holders of Class B common stock may be taken without a meeting, without prior notice and without a vote, if a consent or consents in writing, setting forth the action so taken, shall be signed by the holders of the outstanding Class B common stock having not less than the minimum number of votes that would be necessary to authorize or take such action at a meeting at which all shares of Class B common stock were present and voted.

Securities Eligible for Future Sale

Immediately after our initial public offering we had 31,250,000 shares of common stock outstanding. Of these shares, the 28,750,000 shares of Class A common stock sold in our initial public are freely tradable without restriction or further registration under the Securities Act, except for any Class A common stock purchased by one of our affiliates within the meaning of Rule 144 under the Securities Act. All of the outstanding 7,187,500 founder shares and all of the 5,600,000 outstanding private placement warrants are restricted securities under Rule 144, in that they were issued in private transactions not involving a public offering.

Rule 144

Pursuant to Rule 144, a person who has beneficially owned restricted shares or warrants for at least six months would be entitled to sell their securities provided that (i) such person is not deemed to have been one of our affiliates at the time of, or at any time during the three months preceding, a sale and (ii) we are subject to the Exchange Act periodic reporting requirements for at least three months before the sale and have filed all required reports under Section 13 or 15(d) of the Exchange Act during the 12 months (or such shorter period as we were required to file reports) preceding the sale.

Persons who have beneficially owned restricted shares or warrants for at least six months but who are our affiliates at the time of, or at any time during the three months preceding, a sale, would be subject to additional restrictions, by which such person would be entitled to sell within any three-month period only a number of securities that does not exceed the greater of:

Sales by our affiliates under Rule 144 are also limited by manner of sale provisions and notice requirements and to the availability of current public information about us.

Restrictions on the Use of Rule 144 by Shell Companies or Former Shell Companies

Rule 144 is not available for the resale of securities initially issued by shell companies (other than business combination related shell companies) or issuers that have been at any time previously a shell company. However, Rule 144 also includes an important exception to this prohibition if the following conditions are met:

As a result, our initial stockholders will be able to sell their founder shares and private placement warrants, as applicable, pursuant to Rule 144 without registration one year after we have completed our initial business combination.

Registration Rights

The holders of the founder shares, private placement warrants, and warrants that may be issued upon conversion of working capital loans (and any Class A common stock issuable upon the exercise of the private placement warrants and warrants that may be issued upon conversion of working capital loans and upon conversion of the founder shares) are entitled to registration rights pursuant to a registration rights agreement, requiring us to register such securities for and any other securities of the Company acquired by them prior to the consummation of our initial business combination resale. The holders of these securities are entitled to make up to three demands, excluding short form demands, that we register such securities. In addition, the holders have certain “piggy-back” registration rights with respect to registration statements filed subsequent to our completion of our initial business combination. We will bear the expenses incurred in connection with the filing of any such registration statements.

Listing of Securities

Our units, shares of Class A common stock and warrants are listed on the NYSE under the symbols “AMPI.U”, “AMPI” and “AMPI WS,” respectively.