Document:

Exhibit 10.4

 

INDEMNIFICATION AGREEMENT

 

This Agreement, made and entered
into effective as of October 20, 2021 (“Agreement”), by and between Accretion Acquisition Corp., a Delaware corporation
(“Company”), and the undersigned indemnitee (“Indemnitee”).

 

WHEREAS, the adoption of the
Sarbanes-Oxley Act of 2002 and other laws, rules and regulations being promulgated have increased the potential for liability of
officers and directors; and

 

WHEREAS, the Board of Directors
of the Company (“Board”) has determined that the ability to attract and retain such persons is in the best interests of the
Company’s stockholders; and

 

WHEREAS, it is reasonable,
prudent and necessary for the Company to obligate itself contractually to indemnify such persons to the fullest extent permitted by applicable
law so that such persons will serve or continue to serve the Company free from undue concern that they will not be adequately indemnified;
and

 

WHEREAS, this Agreement is
a supplement to and in furtherance of relevant provisions of the Certificate of Incorporation and Bylaws of the Company and any resolutions
adopted pursuant thereto and shall neither be deemed to be a substitute therefor nor to diminish or abrogate any rights of Indemnitee
thereunder; and

 

WHEREAS, Indemnitee is
willing to serve on behalf of the Company on the condition that he be indemnified according to the terms of this Agreement;

 

NOW, THEREFORE, in consideration
of the premises and the covenants contained herein, the Company and Indemnitee do hereby covenant and agree as follows:

 

1.            Definitions.
For purposes of this Agreement:

 

1.1            “Change
in Control” means a change in control of the Company occurring after the date hereof of a nature that would be required to be
reported in response to Item 6(e) of Schedule 14A of Regulation 14A (or in response to any similar item on any similar schedule
or form) promulgated under the Securities Exchange Act of 1934, as amended (“Exchange Act”), whether or not the Company
is then subject to such reporting requirement; provided, however, that, without limitation, such a Change in Control shall be deemed
to have occurred if after the date hereof (i) any “person” (as such term is used in Sections 13(d) and
14(d) of the Exchange Act), other than a person who is an officer or director of the Company on the date hereof (and any of
such person’s affiliates), is or becomes “beneficial owner” (as defined in Rule 13d-3 under the Exchange
Act), directly or indirectly, of securities of the Company representing 50% or more of the combined voting power of the then
outstanding securities of the Company without the prior approval of at least two-thirds of the members of the Board in office
immediately prior to such person attaining such percentage interest; (ii) the Company is a party to a merger, consolidation,
sale of assets or other reorganization, or a proxy contest, as a consequence of which (A) members of the Board in office
immediately prior to such transaction or event constitute less than a majority of the Board thereafter or (B) the voting
securities of the Company outstanding immediately prior to such transaction do not continue to represent (either by remaining
outstanding or by being converted into voting securities of the surviving entity) more than 50% of the combined voting power
of the voting securities of the surviving entity outstanding immediately after such transaction with the power to elect at least a
majority of the board of directors or other governing body of such surviving entity; or (iii) during any period of two
consecutive years, individuals who at the beginning of such period constituted the Board (including for this purpose any new
director whose election or nomination for election by the Company’s stockholders was approved by a vote of at least two-thirds
of the directors then still in office who were directors at the beginning of such period or whose election or nomination for
election was previously so approved) cease for any reason to constitute at least a majority of the Board.

 

    

     

    

 

1.2            “Corporate
Status” means the status of a person who is or was a director, officer, employee, agent or fiduciary of the Company or of any other
corporation, partnership, joint venture, trust, employee benefit plan or other enterprise which such person is or was serving at the request
of the Company. In addition, for purposes of this Agreement, Indemnitee shall be deemed to be serving or to have served at the request
of the Company as a director, officer, employee, agent or fiduciary of any other enterprise if Indemnitee is or was serving as a director,
officer, employee, agent or fiduciary of such enterprise and (A) such enterprise is or at the time of such service was an affiliate
of the Company, (B) such enterprise is or at the time of such service was an employee benefit plan (or related trust) sponsored or
maintained by the Company or an affiliate of the Company or (C) the Company or an affiliate of the Company directly or indirectly
caused Indemnitee to be nominated, elected, appointed, designated, employed, engaged or selected to serve in such capacity.

 

1.3            “Disinterested
Director” means a director of the Company who is not and was not a party to the Proceeding in respect of which indemnification is
sought by Indemnitee.

 

1.4            “Expenses”
means all reasonable attorneys’ fees, retainers, court costs (including trial and appeals), transcript costs, fees of experts, witness
fees, travel expenses, duplicating costs, printing and binding costs, telephone charges, postage, delivery service fees, federal, state,
local, or foreign taxes imposed as a result of the actual or deemed receipt of any payments under this Agreement, and all other disbursements
or expenses of the types customarily incurred in connection with prosecuting, defending, preparing to prosecute or defend, appealing,
preparing to appeal, investigating, or being or preparing to be a witness in a Proceeding.

 

1.5            “Independent
Counsel” means a law firm, or a member of a law firm, that is experienced in matters of corporation law and neither presently is,
nor in the past five years has been, retained to represent: (i) the Company or Indemnitee in any other matter material to either
such party, or (ii) any other party to the Proceeding giving rise to a claim for indemnification hereunder. Notwithstanding the foregoing,
the term “Independent Counsel” does not include any person who, under the applicable standards of professional conduct then
prevailing, would have a conflict of interest in representing either the Company or Indemnitee in an action to determine Indemnitee’s
rights under this Agreement. Except as provided in the first sentence of Section 9.3 hereof, Independent Counsel shall be selected
by (a) the Disinterested Directors or (b) a committee of the Board consisting of two or more Disinterested Directors or if (a) and
(b) above are not possible, then by a majority of the full Board.

 

1.6            “Proceeding”
means any action, suit, arbitration, alternate dispute resolution mechanism, investigation, administrative hearing or any other proceeding,
whether conducted by or on behalf of the Company or any other party, whether civil, criminal, administrative or investigative, except
one initiated by an Indemnitee pursuant to Section 11 of this Agreement to enforce Indemnitee’s rights under this Agreement.

 

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2.            Services
by Indemnitee.

 

Indemnitee agrees to serve
as a director, officer or employee of the Company. Indemnitee may at any time and for any reason resign from such position (subject to
any other contractual obligation or any obligation imposed by operation of law).

 

3.            Indemnification
- General.

 

Except with respect to actions
finally adjudicated to be a result of actual fraud or intentional misconduct of the Indemnitee, the Company shall indemnify, and, subject
to Section 26 hereof, advance Expenses to, Indemnitee as provided in this Agreement to the fullest extent permitted by applicable
law in effect on the date hereof and to such greater extent as any amendment to or interpretation of applicable law may thereafter from
time to time permit. The rights of Indemnitee provided under the preceding sentence shall include, but shall not be limited to, the rights
set forth in the other Sections of this Agreement.

 

4.            Proceedings
Other Than Proceedings by or in the Right of the Company.

 

Indemnitee shall be entitled
to the rights of indemnification provided in this Agreement if, by reason of Indemnitee’s Corporate Status, Indemnitee is,
was or is threatened to be made, a party to any threatened, pending or completed Proceeding, other than a Proceeding by or in the right
of the Company. Pursuant to this Agreement, subject to Section 26 hereof, Indemnitee shall be indemnified against Expenses,
judgments, penalties, fines and amounts paid in settlement actually and reasonably incurred by Indemnitee or on his or her behalf in connection
with any such Proceeding or any claim, issue or matter therein, if Indemnitee acted in good faith and in a manner Indemnitee reasonably
believed to be in or not opposed to the best interests of the Company, and, with respect to any criminal Proceeding, Indemnitee had
no reasonable cause to believe his or her conduct was unlawful.

 

5.            Proceedings
by or in the Right of the Company.

 

Indemnitee shall be
entitled to the rights of indemnification provided in this Agreement if, by reason of Indemnitee’s Corporate
Status, Indemnitee was or is threatened to be made, a party to any threatened, pending or completed Proceeding brought by or in
the right of the Company to procure a judgment in its favor. Pursuant to this Agreement, subject to Section 26
hereof, Indemnitee shall be indemnified against amounts paid in settlement and Expenses actually and reasonably incurred by him
or her or on his or her behalf in connection with the defense or settlement of any such Proceeding if Indemnitee acted in good faith
and in a manner Indemnitee reasonably believed to be in or not opposed to the best interests of the Company. Notwithstanding the
foregoing, no indemnification under this paragraph shall be made in respect of (1) a threatened or pending Proceeding which is
settled or otherwise disposed of, or (2) any claim, issue or matter as to which such person shall have been adjudged to be
liable to the Company, unless and only to the extent that the court in which such Proceeding shall have been brought, was brought or
is pending, shall determine, upon application, that Indemnitee is fairly and reasonably entitled to indemnity for such portion of
the settlement amount and Expenses as the court deems proper.

 

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6.           Indemnification
for Expenses of Party Who is Wholly or Partly Successful.

 

Notwithstanding any other
provision of this Agreement except for Section 26 hereof, to the extent that Indemnitee is, by reason of his or her Corporate Status,
a party to and is successful, on the merits or otherwise, in any Proceeding, Indemnitee shall be indemnified against all Expenses
(and, when eligible hereunder, amounts paid in settlement) actually and reasonably incurred by Indemnitee or on his or her behalf in connection
therewith. If Indemnitee is not wholly successful in such Proceeding but is successful, on the merits or otherwise, as to one or more
but less than all claims, issues or matters in such Proceeding, the Company shall indemnify Indemnitee against all Expenses (and, when
eligible hereunder, amount paid in settlement) actually and reasonably incurred by Indemnitee or on his or her behalf in connection with
each successfully resolved claim, issue or matter. For purposes of this Agreement, the term “successful, on the merits or otherwise,”
includes, but is not limited to, (i) any termination, withdrawal, or dismissal (with or without prejudice) of any Proceeding against
the Indemnitee without any express finding of liability or guilt against him or her, and (ii) the expiration of 90 days after the
making of any claim or threat of a Proceeding without the institution of the same and without any promise or payment made to induce a
settlement.

 

7.            Indemnification
for Expenses as a Witness.

 

Notwithstanding any other
provision of this Agreement except for Section 26 hereof, to the extent that Indemnitee is, by reason of his or her Corporate Status,
a witness in any Proceeding, Indemnitee shall be indemnified against all Expenses actually and reasonably incurred by Indemnitee
or on his or her behalf in connection therewith.

 

8.            Advancement
of Expenses and Other Amounts.

 

Subject to
Section 26 hereof, the Company shall advance all Expenses, judgments, penalties, fines and, when eligible hereunder, amounts
paid in settlement, incurred by or on behalf of Indemnitee in connection with any Proceeding within thirty (30) days after the
receipt by the Company of a statement or statements from Indemnitee requesting such advance or advances from time to time, whether
prior to or after final disposition of such Proceeding. Such statement or statements shall reasonably evidence the Expenses,
judgments, penalties, fines and amounts paid in settlement incurred by Indemnitee and shall include or be preceded or accompanied by
an agreement by or on behalf of Indemnitee to repay any Expenses, judgments, penalties, fines and amounts paid in settlement
advanced if it shall ultimately be determined that Indemnitee is not entitled to be indemnified against such Expenses, judgments,
penalties, fines and, when eligible hereunder, amounts paid in settlement. In connection with any request for advancement of
Expenses, judgments, penalties, fines and amounts paid in settlement, Indemnitee shall not be required to provide any
documentation or information to the extent that the provision thereof would undermine or otherwise jeopardize attorney-client
privilege. The Company’s obligation in respect of the advancement of Expenses, judgments, penalties, fines and amounts paid in
settlement in connection with a criminal Proceeding in which Indemnitee is a defendant shall terminate at such time as Indemnitee
pleads guilty or is convicted after trial and such conviction becomes final and no longer subject to appeal. Advances shall be
unsecured and interest free. Advances shall be made without regard to Indemnitee’s ability to repay such amounts and without
regard to Indemnitee’s ultimate entitlement to indemnification under the other provisions of this Agreement.

 

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9.            Procedure
for Determination of Entitlement to Indemnification.

 

9.1            To
obtain indemnification under this Agreement in connection with any Proceeding, and for the duration thereof, Indemnitee shall submit
to the Company a written request, including therein or therewith such documentation and information as is reasonably available to Indemnitee
and is reasonably necessary to determine whether and to what extent Indemnitee is entitled to indemnification. The Secretary of the Company
shall, promptly upon receipt of any such request for indemnification, advise the Board in writing that Indemnitee has requested indemnification.

 

9.2            Upon
written request by Indemnitee for indemnification pursuant to Section 9.1 hereof, a determination, if required by applicable law,
with respect to Indemnitee’s entitlement thereto shall be made in such case: (i) if a Change in Control shall have occurred,
by Independent Counsel (unless Indemnitee shall request that such determination be made by the Board or the stockholders, in which case
in the manner provided for in clauses (ii) or (iii) of this Section 9.2) in a written opinion to the Board, a copy of which
shall be delivered to Indemnitee; (ii) if a Change in Control shall not have occurred, at the election of the Company, (A) by
the Board by a majority vote of a quorum consisting of Disinterested Directors, or (B) if a quorum of the Board consisting of Disinterested
Directors is not obtainable, by a majority of a committee of the Board consisting of two or more Disinterested Directors, or (C) by
Independent Counsel in a written opinion to the Board, a copy of which shall be delivered to Indemnitee, or (D) by the stockholders
of the Company, by a majority vote of a quorum consisting of stockholders who are not parties to the proceeding, or if no such quorum
is obtainable, by a majority vote of stockholders who are not parties to such proceeding; or (iii) as provided in Section 10.2
of this Agreement. If it is so determined that Indemnitee is entitled to indemnification, payment to Indemnitee shall be made within ten
(10) days after such determination. Indemnitee shall cooperate with the person, persons or entity making such determination with
respect to Indemnitee’s entitlement to indemnification, including providing to such person, persons or entity upon reasonable advance
request any documentation or information which is not privileged or otherwise protected from disclosure and which is reasonably available
to Indemnitee and reasonably necessary to such determination. Any costs or expenses (including attorneys’ fees and disbursements)
incurred by Indemnitee in so cooperating with the person, persons or entity making such determination shall be borne by the Company (irrespective
of the determination as to Indemnitee’s entitlement to indemnification) and the Company hereby indemnifies and agrees to hold Indemnitee
harmless therefrom.

 

9.3            If
a Change in Control shall have occurred, Independent Counsel shall be selected by Indemnitee (unless Indemnitee shall request that
such selection be made by the Board), and Indemnitee (or the Board, as the case may be) shall give written notice to the other party advising
it of the identity of Independent Counsel so selected. In either event, Indemnitee or the Company, as the case may be, may, within
seven days after such written notice of selection shall have been given, deliver to the Company or to Indemnitee, as the case may be,
a written objection to such selection. Such objection may be asserted only on the ground that Independent Counsel so selected does not
meet the requirements of “Independent Counsel” as defined in Section 1 of this Agreement, and the objection shall set
forth with particularity the factual basis of such assertion. If such written objection is made, Independent Counsel so selected
may not serve as Independent Counsel unless and until a court has determined that such objection is without merit. If, within 20 days
after submission by Indemnitee of a written request for indemnification pursuant to Section 9.1 hereof, no Independent Counsel shall
have been selected and not objected to, either the Company or Indemnitee may petition a court of competent jurisdiction, for resolution
of any objection which shall have been made by the Company or Indemnitee to the other’s selection of Independent Counsel and/or
for the appointment as Independent Counsel of a person selected by such court or by such other person as such court shall designate, and
the person with respect to whom an objection is so resolved or the person so appointed shall act as Independent Counsel under Section 9.2
hereof. The Company shall pay any and all reasonable fees and expenses of Independent Counsel incurred by such Independent Counsel in
connection with its actions pursuant to this Agreement, and the Company shall pay all reasonable fees and expenses incident to the procedures
of this Section 9.3, regardless of the manner in which such Independent Counsel was selected or appointed.

 

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10.            Presumptions
and Effects of Certain Proceedings.

 

10.1            In
making a determination with respect to entitlement to indemnification hereunder, the person or persons or entity making such determination
shall presume that Indemnitee is entitled to indemnification under this Agreement if Indemnitee has submitted a request for indemnification
in accordance with Section 9.1 of this Agreement, and the Company shall have the burden of proof to overcome that presumption by
clear and convincing evidence in connection with the making by any person, persons or entity of any determination contrary to that presumption.

 

10.2            If
the person, persons or entity empowered or selected under Section 9 of this Agreement to determine whether Indemnitee is
entitled to indemnification shall not have made a determination within sixty (60) days after receipt by the Company of the request
therefor, the requisite determination of entitlement to indemnification shall be deemed to have been made and Indemnitee shall be
entitled to such indemnification, absent (i) a misstatement by Indemnitee of a material fact, or an omission of a material fact
necessary to make Indemnitee’s statement not materially misleading, in connection with the request for indemnification, or
(ii) prohibition of such indemnification under applicable law; provided, however, that such 60-day period may be extended for a
reasonable time, not to exceed an additional thirty (30) days, if the person, persons or entity making the determination with
respect to entitlement to indemnification in good faith require(s) such additional time for the obtaining or evaluating of
documentation and/or information relating thereto; and provided, further, however, that the foregoing provisions of this
Section 10.2 shall not apply (i) if the determination of entitlement to indemnification is to be made by the stockholders
pursuant to Section 9.2 of this Agreement and if (A) within 15 days after receipt by the Company of the request for such
determination the Board has resolved to submit such determination to the stockholders for their consideration at an annual meeting
thereof to be held within 75 days after such receipt and such determination is made thereat, or (B) a special meeting of
stockholders is called within 15 days after such receipt for the purpose of making such determination, such meeting is held for such
purpose within 60 days after having been so called and such determination is made thereat, or (ii) if the determination of
entitlement to indemnification is to be made by Independent Counsel pursuant to Section 9.2 of this Agreement. In connection
with each meeting at which a stockholder determination will be made, the Company shall solicit proxies that expressly include a
proposal to indemnify or reimburse the Indemnitee. The Company shall afford the Indemnitee ample opportunity to present evidence of
the facts upon which the Indemnitee relies for indemnification in any Company proxy statement relating to such stockholder
determination. Subject to the fiduciary duties of its members under applicable law, the Board will not recommend against
indemnification or reimbursement in any proxy statement relating to the proposal to indemnify or reimburse the Indemnitee.

 

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10.3            The
termination of any Proceeding or of any claim, issue or matter therein, by judgment, order, settlement or conviction, or upon a plea of
nolo contendere or its equivalent, shall not (except as otherwise expressly provided in this Agreement) of itself adversely affect the
right of Indemnitee to indemnification or create a presumption that Indemnitee did not act in good faith and in a manner which Indemnitee
reasonably believed to be in or not opposed to the best interests of the Company or, with respect to any criminal Proceeding, that Indemnitee
had reasonable cause to believe that his or her conduct was unlawful.

 

10.4          Reliance
as Safe Harbor.

 

For purposes of this
Agreement, the Indemnitee shall be deemed to have acted in good faith and in a manner Indemnitee reasonably believed to be in or not
opposed to the best interests of the Company, or, with respect to any criminal Proceeding, to have had no reasonable cause to
believe his or her conduct was unlawful, if his or her action is based on (i) the records or books of account of the Company,
or another enterprise, including financial statements, (ii) information supplied to Indemnitee by the officers of the Company
or another enterprise in the course of their duties, (iii) the advice of legal counsel for the Company or another enterprise,
or of an independent certified public accountant or an appraiser or other expert selected with reasonable care by the Company or
another enterprise. The term “another enterprise” as used in this Section shall mean any other corporation or any
partnership, joint venture, trust, employee benefit plan or other enterprise of which the Indemnitee is or was serving at the
request of the Company as a director, officer, partner, trustee, employee or agent. The provisions of this Section shall not be
deemed to be exclusive or to limit in any way the other circumstances in which the Indemnitee may be deemed to have met the
applicable standard of conduct set forth herein. Whether or not the foregoing provisions of this Section 10.4 are satisfied, it
shall in any event be presumed that Indemnitee has at all times acted in good faith and in a manner Indemnitee reasonably believed
to be in or not opposed to the best interests of the Company, or, with respect to any criminal Proceeding, to have had no reasonable
cause to believe Indemnitee’s conduct was unlawful. Anyone seeking to overcome this presumption shall have the burden of proof
and the burden of persuasion by clear and convincing evidence.

 

11.          Remedies
of Indemnitee.

 

11.1            In
the event that (i) a determination is made pursuant to Section 9 of this Agreement that Indemnitee is not entitled to indemnification
under this Agreement, (ii) advancement of Expenses is not timely made pursuant to Section 8 of this Agreement, (iii) the
determination of indemnification is to be made by Independent Counsel pursuant to Section 9.2 of this Agreement and such determination
shall not have been made and delivered in a written opinion within sixty (60) days after receipt by the Company of the request for indemnification,
(iv) payment of indemnification is not made pursuant to Section 7 of this Agreement within thirty (30) days after receipt by
the Company of a written request therefor, or (v) payment of indemnification is not made within thirty (30) days after a determination
has been made that Indemnitee is entitled to indemnification or such determination is deemed to have been made pursuant to Section 9
or 10 of this Agreement, Indemnitee shall be entitled to an adjudication in an appropriate court of the State of Delaware, or in
any other court of competent jurisdiction, of Indemnitee’s entitlement to such indemnification or advancement of Expenses, judgments,
penalties, fines or, when eligible hereunder, amounts paid in settlement. The Company shall not oppose Indemnitee’s right to seek
any such adjudication.

 

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11.2            In
the event that a determination shall have been made pursuant to Section 9 of this Agreement that Indemnitee is not entitled to indemnification,
any judicial proceeding commenced pursuant to this Section shall be conducted in all respects as a de novo trial on the merits and
Indemnitee shall not be prejudiced by reason of that adverse determination.

 

11.3            If
a determination shall have been made or deemed to have been made pursuant to Section 9 or 10 of this Agreement that Indemnitee is
entitled to indemnification, the Company shall be bound by such determination in any judicial proceeding commenced pursuant to this Section,
absent (i) a misstatement by Indemnitee of a material fact, or an omission of a material fact necessary to make Indemnitee’s
statement not materially misleading, in connection with the request for indemnification, or (ii) prohibition of such indemnification
under applicable law.

 

11.4            The
Company shall be precluded from asserting in any judicial proceeding commenced pursuant to this Section that the procedures and presumptions
of this Agreement are not valid, binding and enforceable and shall stipulate in any such court that the Company is bound by all the provisions
of this Agreement.

 

11.5            In
the event that Indemnitee, pursuant to this Section, seeks a judicial adjudication of his or her rights under, or to recover damages
for breach of, this Agreement or any other agreement, including any other indemnification, contribution or advancement agreement, or
any provision of the Certificate of Incorporation or Bylaws of the Company now or hereafter in effect, or for recovery under
directors’ and officers’ liability insurance policies maintained by the Company, Indemnitee shall, subject to
Section 26 hereof, be entitled to recover from the Company, and shall be indemnified by the Company against, any and all
expenses (of the kinds described in the definition of Expenses) actually and reasonably incurred by Indemnitee in such
judicial adjudication, but only if Indemnitee prevails therein. If it shall be determined in such judicial adjudication that
Indemnitee is entitled to receive less than all of the indemnification or advancement of expenses sought, the expenses incurred by
Indemnitee in connection with such judicial adjudication shall be appropriately prorated. In addition, the Company shall, if so
requested by Indemnitee, advance the foregoing expenses to Indemnitee, subject to and in accordance with Section 8.

 

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12.          Procedure
Regarding Indemnification.

 

With respect to any Proceedings,
the Indemnitee, prior to taking any action with respect to such Proceeding, shall consult with the Company as to the procedure to be followed
in defending, settling, or compromising the Proceeding and may not consent to any settlement or compromise of the Proceeding without the
written consent of the Company (which consent may not be unreasonably withheld or delayed). The Company shall be entitled to participate
in defending, settling or compromising any Proceeding and to assume the defense of such Proceeding with counsel of its choice and shall
assume such defense if requested by the Indemnitee. Notwithstanding the election by, or obligation of, the Company to assume the defense
of a Proceeding, the Indemnitee shall have the right to participate in the defense of such Proceeding and to employ counsel of Indemnitee’s
choice, but the fees and expenses of such counsel shall be at the expense of the Indemnitee unless (i) the employment of such counsel
has been authorized in writing by the Company, or (ii) the Indemnitee has reasonably concluded that there may be defenses available
to him or her which are different from or additional to those available to the Company (in which latter case the Company shall not have
the right to direct the defense of such Proceeding on behalf of the Indemnitee), in either of which events the fees and expenses of not
more than one additional firm of attorneys selected by the Indemnitee shall be borne by the Company. If the Company assumes the defense
of a Proceeding, then counsel for the Company and Indemnitee shall keep Indemnitee reasonably informed of the status of the Proceeding
and promptly send to Indemnitee copies of all documents filed or produced in the Proceeding, and the Company shall not compromise or settle
any such Proceeding without the written consent of the Indemnitee (which consent may not be unreasonably withheld or delayed) if the relief
provided shall be other than monetary damages and shall promptly notify the Indemnitee of any settlement and the amount thereof.

 

13.           Non-Exclusivity;
Survival of Rights; Insurance; Subrogation; Contribution.

 

13.1            The
rights of indemnification and to receive advancement of Expenses as provided by this Agreement shall not be deemed exclusive of any other
rights to which Indemnitee may at any time be entitled under applicable law, the Certificate of Incorporation or Bylaws of the Company,
any agreement, a vote of stockholders or a resolution of directors, or otherwise. No amendment, alteration or repeal of this Agreement
or any provision hereof shall be effective as to any Indemnitee with respect to any action taken or omitted by such Indemnitee in his
or her Corporate Status prior to such amendment, alteration or repeal.

 

13.2            To
the extent that the Company maintains an insurance policy or policies providing liability insurance for directors, officers, employees,
agents or fiduciaries of the Company or of any other corporation, partnership, joint venture, trust, employee benefit plan or other enterprise
which such person serves at the request of the Company, Indemnitee shall be covered by such policy or policies in accordance with
its or their terms to the maximum extent of the coverage available for any such director, officer, employee, agent or fiduciary under
such policy or policies.

 

13.3            In
the event of any payment under this Agreement, the Company shall be subrogated to the extent of such payment to all of the rights of recovery
of Indemnitee, who shall execute all papers required and take all action necessary to secure such rights, including execution of such
documents as are reasonably necessary to enable the Company to bring suit to enforce such rights.

 

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13.4            The
Company shall not be liable under this Agreement to make any payment of amounts otherwise indemnifiable hereunder if and to the extent
that Indemnitee has otherwise actually received such payment under any insurance policy, contract, agreement or otherwise.

 

13.5            If
a determination is made that Indemnitee is not entitled to indemnification, after Indemnitee submits a written request therefor, under
this Agreement, then in respect of any threatened, pending or completed Proceeding in which the Company is jointly liability with the
Indemnitee (or would be if joined in such Proceeding), the Company shall contribute to the amount of Expenses, judgments, fines and amounts
paid in settlement by the Indemnitee in such proportion as is appropriate to reflect (i) the relative benefits received by the Company
on the one hand and the Indemnitee on the other hand from the transaction from which Proceeding arose, and (ii) the relative fault
of the Company on the one hand and of the Indemnitee on the other hand in connection with the events that resulted in such Expenses, judgments,
fines or amounts paid in settlement, as well as any other relevant equitable considerations. The relative fault of the Company on the
one hand and of the Indemnitee on the other hand shall be determined by reference to, among other things, the parties’ relative
intent, knowledge, access to information and opportunity to correct or prevent the circumstances resulting in such Expenses, judgments,
fines or amounts paid in settlement. The Company agrees that it would not be just and equitable if contribution pursuant to this Section were
determined by pro rata allocation or any other method of allocation that does not take into account the foregoing equitable considerations.
The determination as to the amount of the contribution, if any, shall be made by: (i) a court of competent jurisdiction upon the
application of both the Indemnitee and the Company (if the Proceeding had been brought in, and final determination had been rendered by
such court); (ii) the Board by a majority vote of a quorum consisting of Disinterested Directors; or (iii) Independent Counsel,
if a quorum is not obtainable for purpose of (ii) above, or, even if obtainable, a quorum of Disinterested Directors so directs.

 

14.          Duration
of Agreement.

 

This Agreement shall
continue during the period that the Indemnitee is a director, officer, or employee of the Company and shall continue thereafter for
so long as Indemnitee may be subject to any Proceeding by reason of Indemnitee’s Corporate Status and throughout the pendency
of any Proceeding (including rights of appeal thereto) and/or any proceeding commenced by Indemnitee pursuant to Section 11 of
this Agreement. This Agreement shall be binding upon the Company and its successors and assigns and shall inure to the benefit of
Indemnitee and his or her spouse, heirs, executors, personal representatives and administrators.

 

15.         Severability.

 

If any provision or provisions
of this Agreement shall be held to be invalid, illegal or unenforceable for any reason whatsoever: (a) the validity, legality and
enforceability of the remaining provisions of this Agreement (including, without limitation, each portion of any Section of this
Agreement containing any such provision held to be invalid, illegal or unenforceable, that is not itself invalid, illegal or unenforceable)
shall not in any way be affected or impaired thereby; and (b) to the fullest extent possible, the provisions of this Agreement (including,
without limitation, each portion of any Section of this Agreement containing any such provision held to be invalid, illegal or unenforceable
that is not itself invalid, illegal or unenforceable) shall be construed so as to give effect to the intent manifested by the provision
held invalid, illegal or unenforceable.

 

    -10-

     

    

 

16.          Entire
Agreement.

 

This Agreement constitutes
the entire agreement between the Company and the Indemnitee with respect to the subject matter hereof and supersedes all prior agreements,
understanding, negotiations and discussion, both written and oral, between the parties hereto with respect to such subject matter (the
 “Prior Agreements”); provided, however, that if this Agreement shall ever be held void or unenforceable for any reasons whatsoever,
and is not reformed pursuant to Section 15 hereof, then (i) this Agreement shall not be deemed to have superseded any Prior
Agreements; (ii) all of such Prior Agreements shall be deemed to be in full force and effect notwithstanding the execution of this
Agreement; and (iii) the Indemnitee shall be entitled to maximum indemnification benefits provided under any Prior Agreements, as
well as those provided under applicable law, the Certificate of Incorporation or Bylaws of the Company, a vote of stockholders or resolution
of directors.

 

17.          Exception
to Right of Indemnification or Advancement of Expenses.

 

17.1            Except
as provided in Section 11.5, Indemnitee shall not be entitled to indemnification or advancement of Expenses, judgments, penalties,
fines and amounts paid in settlement under this Agreement with respect to any Proceeding, or any claim therein, brought or made by Indemnitee
against the Company.

 

17.2            Indemnitee
shall not be entitled to indemnification or advancement of Expenses under this Agreement with respect to any Proceeding, or any claim
therein, arising from the purchase and sale by Indemnitee of securities of the Company in a manner that gives rise to liability under
Section 16(b) of the Exchange Act or similar successor statute.

 

18.           Covenant
Not to Sue; Limitation of Actions; Release of Claims.

 

No legal action shall be brought and no cause of action shall
be asserted by or on behalf of the Company (or any of its subsidiaries) against the Indemnitee, his or her spouse, heirs, executors,
personal representatives or administrators after the expiration of two (2) years from the date of accrual of such cause of action
and any claim or cause of action of the Company (or any of its subsidiaries) shall be extinguished and deemed released unless asserted
by the filing of a legal action within such two (2) year period; provided, however, that if any shorter period of limitation is
otherwise applicable to any such cause of action, such shorter period shall govern.

 

19.           Identical
Counterparts.

 

This Agreement may be executed
in one or more counterparts, each of which shall for all purposes be deemed to be an original but all of which together shall constitute
one and the same Agreement.

 

    -11-

     

    

 

20.          Headings.

 

The headings of the paragraphs
of this Agreement are inserted for convenience only and shall not be deemed to constitute part of this Agreement or to affect the construction
thereof.

 

21.          Modification
and Waiver.

 

No supplement, modification
or amendment of this Agreement shall be binding unless executed in writing by both of the parties hereto. No waiver of any of the provisions
of this Agreement shall be deemed or shall constitute a waiver of any other provisions hereof (whether or not similar) nor shall such
waiver constitute a continuing waiver.

 

22.          Notice
by Indemnitee.

 

Indemnitee agrees promptly
to notify the Company in writing upon being served with any summons, citation, subpoena, complaint, indictment, information or other document
relating to any Proceeding or matter which may be subject to indemnification or advancement of Expenses, judgments, penalties, fines or
amounts paid in settlement covered hereunder. The failure to notify the Company on a timely basis shall not constitute a waiver of Indemnitee’s
rights under this Agreement, except to the extent that such failure or delay (i) causes the amounts paid or to be paid by the Company
to be greater than they otherwise would have been, (ii) adversely affects the Company’s ability to obtain for itself or Indemnitee
coverage or proceeds under any insurance policy available to the Company or Indemnitee, or (iii) otherwise results in prejudice to
the Company.

 

23.          Notices.

 

All notices, requests,
demands and other communications hereunder shall be in writing and shall be deemed to have been duly given if (i) delivered by
hand and receipted for by the party to whom such notice or other communication shall have been directed, or (ii) mailed by
certified or registered mail with postage prepaid, on the third business day after the date on which it is so mailed:

 

If to Indemnitee, to the address set
forth in the signature page hereto.

 

If to the Company, to:

 

Accretion Acquisition Corp.

410 17th Street, #1110

Denver, CO 80202

 

or to such other address or such other person
as Indemnitee or the Company shall designate in writing in accordance with this Section, except that notices regarding changes in notices
shall be effective only upon receipt.

 

    -12-

     

    

 

24.          Governing
Law.

 

The parties agree that this
Agreement shall be governed by, and construed and enforced in accordance with, the laws of the State of Delaware applicable to contracts
made and performed in that state without giving effect to the principles of conflicts of laws. The Company and Indemnitee each hereby
irrevocably consents to the jurisdiction of the courts of the State of Delaware and the federal courts within the State for all purposes
in connection with any action or proceeding that arises out of or relates to this Agreement and agrees that any action instituted under
this Agreement shall be brought only in the United States District Court for the District of Delaware and any Delaware State court within
that District.

 

25.         Mutual
Acknowledgment.

 

Both the Company and Indemnitee
acknowledge that, in certain instances, Federal law or applicable public policy may prohibit the Company from indemnifying its directors
and officers under this Agreement or otherwise. Indemnitee understands and acknowledges that the Company has undertaken or may be required
in the future in certain circumstances to undertake with the Securities and Exchange Commission to submit the question of indemnification
to a court for a determination of the Company’s right under public policy to indemnify Indemnitee.

 

26.          Waiver
of Claims to Trust Account.

 

Notwithstanding anything herein
to the contrary, Indemnitee hereby agrees that it does not have any right, title, interest or claim of any kind (each, a “Claim”)
in or to any monies in the trust account established in connection with the Company’s initial public offering for the benefit of
the Company and holders of shares issued in such offering, and hereby waives any Claim it may have in the future as a result of, or arising
out of, any services provided to the Company and will not seek recourse against such trust account for any reason whatsoever.

 

[Signature Page Follows]

 

    -13-

     

    

 

IN WITNESS WHEREOF, the parties
hereto have executed this Agreement on the day and year first above written.

 

	 	ACCRETION ACQUISITION CORP.
	 	 
	 	By:	    
	 	 	Name: Brad Morse
	 	 	Title: Chief Executive Officer
	 	 
	 	INDEMNITEE|
	 	 
	 	 
	 	Name:
	 	Address:

 

[Signature Page to Indemnification Agreement]Exhibit 10.5

 

October 20, 2021

 

Accretion Acquisition Corp. 

410 17th Street, #1110 

Denver, CO 80202

 

EarlyBirdCapital, Inc. 

366 Madison Ave
8th Floor 

New York, NY 10017

 

Stephens Inc. 

65 E 55th
Street, 22nd Floor 

New York, NY 10022

 

Re:     Initial
Public Offering

 

Ladies and Gentlemen:

 

This letter (“Letter
Agreement”) is being delivered to you in accordance with the Underwriting Agreement (the “Underwriting Agreement”)
entered into by and between Accretion Acquisition Corp., a Delaware corporation (the “Company”), and EarlyBirdCapital, Inc.
and Stephens Inc. as representatives (the “Representatives”) of the several underwriters named in Schedule I
thereto (the “Underwriters”), relating to an underwritten initial public offering (the “IPO”)
of the Company’s units (the “Units”), each Unit comprised of one share of the Company’s common stock,
par value $0.001 per share (the “Common Stock”), one right (“Right”) to receive one-tenth
of one share of Common Stock, and one-half of one warrant (“Warrant”), each whole Warrant exercisable for one
share of Common Stock. Certain capitalized terms used herein are defined in paragraph 12 hereof.

 

In order to induce the Company
and the Underwriters to enter into the Underwriting Agreement and to proceed with the IPO, and in recognition of the benefit that such
IPO will confer upon the undersigned, and for other good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged,
the undersigned hereby agrees, severally but not jointly, with the Company as follows:

 

1.             If
the Company solicits approval of its stockholders of a Business Combination, the undersigned will vote all shares of Common Stock beneficially
owned by him, her, or it, whether acquired before, in, or after the IPO, in favor of such Business Combination.

 

2.             (a)              In
the event that the Company fails to consummate a Business Combination within the time period set forth in the Company’s Amended
and Restated Certificate of Incorporation, as the same may be amended from time to time (the “Certificate of Incorporation”),
the undersigned will, as promptly as possible, take all necessary actions to cause the Company to (i) cease all operations except
for the purpose of winding up, (ii) not more than ten (10) business days thereafter, redeem the IPO 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 funds held in
the Trust Account (less up to $100,000 to pay liquidation expenses and net of interest released to the Company to pay taxes as permitted
pursuant to the Trust Agreement), divided by the number of then outstanding IPO Shares, which redemption will extinguish public stockholders’
rights as stockholders (including the right to receive further liquidation distributions, if any), and (iii) following such redemption,
subject to the approval of the Company’s remaining stockholders and the Company’s board of directors, dissolve and liquidate,
subject in the case of clauses (ii) and (iii) to the Company’s obligations under Delaware law to provide for claims of
creditors and other requirements of applicable law.

 

     

     

    

 

(b)            The
undersigned hereby waives any and all right, title, interest or claim of any kind in or to any distribution of the Trust Account (“Claim”)
with respect to the Founders’ Shares owned by the undersigned and hereby waives any Claim the undersigned may have in the future
as a result of, or arising out of, any contracts or agreements with the Company and will not seek recourse against the Trust Account for
any reason whatsoever. The undersigned acknowledges and agrees that there will be no distribution from the Trust Account with respect
to any Rights or Warrants, all rights of which will terminate on the Company’s liquidation.

 

(c)            [In
the event of the liquidation of the Trust Account, Accretion Acquisition Sponsor, LLC agrees to indemnify and hold harmless the Company
for any debts and obligations to target businesses or vendors or other entities that are owed money by the Company for services rendered
or contracted for or products sold to the Company, but only to the extent necessary to ensure that such debt or obligation does not reduce
the amount of funds in the Trust Account below $10.00 per share; provided that such indemnity shall not apply (i) if such vendor
or prospective target business executed an agreement waiving any right, title, interest or claim of any kind they may have in or to any
monies held in the Trust Account, or (ii) as to any claims under the Company’s obligation to indemnify the Underwriters against
certain liabilities, including liabilities under the Securities Act of 1933, as amended (the “Securities Act”).]1

 

3.             The
undersigned acknowledges and agrees that prior to entering into a Business Combination with a target business that is affiliated with
any Insiders of the Company or their affiliates, such transaction must be approved by a majority of the Company’s disinterested
independent directors and the Company must obtain an opinion from an independent investment banking firm, or another independent entity
that commonly renders valuation opinions, that such Business Combination is fair to the Company’s unaffiliated stockholders from
a financial point of view.

 

4.             Neither
the undersigned nor any affiliate of the undersigned will be entitled to receive and will not accept any compensation, finder fee or
other cash payment prior to, or for services rendered in order to effectuate, the consummation of the Business Combination; provided that
the Company shall be allowed to make the payments set forth in the Registration Statement under the caption “Prospectus
Summary – The Offering – Limited payments to insiders.”

 

 

1 For Sponsor letter only.

 

    2 

     

    

  

5.           (a)            The
undersigned will place into escrow all Founders’ Shares owned by the undersigned pursuant to the terms of a Stock Escrow Agreement
which the Company will enter into with the undersigned and an escrow agent.

 

(b)           The
undersigned agrees that until after the Company consummates a Business Combination, all Private Warrants (and underlying securities) owned
by the undersigned will be subject to the transfer restrictions described in the Subscription Agreement relating to the undersigned’s
Private Warrants.

 

6.           (a)            In
order to minimize potential conflicts of interest that may arise from multiple corporate affiliations, the undersigned hereby agrees that
until the earliest of the Company’s initial Business Combination or liquidation, the undersigned shall present to the Company for
its consideration, prior to presentation to any other entity, any suitable target business, subject to any fiduciary or contractual obligations
the undersigned might have.

 

(b)            The
undersigned hereby agrees and acknowledges that (i) each of the Underwriters and the Company may be irreparably injured in the event
of a breach of any of the obligations contained in this Letter Agreement, (ii) monetary damages may not be an adequate remedy for
such breach and (iii) the non-breaching party shall be entitled to injunctive relief, in addition to any other remedy that such party
may have in law or in equity, in the event of such breach.

 

7.            The
undersigned’s biographical information previously furnished to the Company and the Representatives is true and accurate in all
respects, does not omit any material information with respect to the undersigned’s background and contains all of the information
required to be disclosed pursuant to Item 401 of Regulation S-K, promulgated under the Securities Act. The undersigned’s FINRA
Questionnaire previously furnished to the Company and the Representatives is true and accurate in all respects. The undersigned represents
and warrants that:2

 

(a)            he/she
has never had a petition under the federal bankruptcy laws or any state insolvency law been filed by or against (i) him/her or any
partnership in which he/she was a general partner at or within two years before the time of filing; or (ii) any corporation or business
association of which he/she was an executive officer at or within two years before the time of such filing;

 

(b)           he/she
has never had a receiver, fiscal agent or similar officer been appointed by a court for his/her business or property, or any such partnership;

 

(c)            he/she
has never been convicted of fraud in a civil or criminal proceeding;

 

 

2
For officer, director, and promoter letter only.

 

    3 

     

    

 

(d)            he/she
has never been convicted in a criminal proceeding or named the subject of a pending criminal proceeding (excluding traffic violations
and minor offenses);

 

(e)            he/she
has never been the subject of any order, judgment or decree, not subsequently reversed, suspended or vacated, of any court of competent
jurisdiction, permanently or temporarily enjoining or otherwise limiting him/her from (i) acting as a futures commission merchant,
introducing broker, commodity trading advisor, commodity pool operator, floor broker, leverage transaction merchant, any other person
regulated by the Commodity Futures Trading Commission (“CFTC”) or an associated person of any of the foregoing, or as an investment
adviser, underwriter, broker or dealer in securities, or as an affiliated person, director or employee of any investment company, bank,
savings and loan association or insurance company, or from engaging in or continuing any conduct or practice in connection with any such
activity; or (ii) engaging in any type of business practice; or (iii) engaging in any activity in connection with the purchase
or sale of any security or commodity or in connection with any violation of federal or state securities or federal commodities laws;

 

(f)            he/she
has never been the subject of any order, judgment or decree, not subsequently reversed, suspended or vacated, of any federal or state
authority barring, suspending or otherwise limiting for more than 60 days his/her right to engage in any activity described in 7(e)(i) above,
or to be associated with persons engaged in any such activity;

 

(g)           he/she
has never been found by a court of competent jurisdiction in a civil action or by the SEC to have violated any federal or state securities
law, where the judgment in such civil action or finding by the SEC has not been subsequently reversed, suspended or vacated;

 

(h)           he/she
has never been found by a court of competent jurisdiction in a civil action or by the CFTC to have violated any federal commodities law,
where the judgment in such civil action or finding by the CFTC has not been subsequently reversed, suspended or vacated;

 

(i)             he/she
has never been the subject of, or a party to, any Federal or State judicial or administrative order, judgment, decree or finding, not
subsequently reversed, suspended or vacated, relating to an alleged violation of (i) any Federal or State securities or commodities
law or regulation, (ii) any law or regulation respecting financial institutions or insurance companies including, but not limited
to, a temporary or permanent injunction, order of disgorgement or restitution, civil money penalty or temporary or permanent cease-and
desist order, or removal or prohibition order or (iii) any law or regulation prohibiting mail or wire fraud or fraud in connection
with any business entity;

 

(j)             he/she
has never been the subject of, or party to, any sanction or order, not subsequently reversed, suspended or vacated, or any self-regulatory
organization, any registered entity, or any equivalent exchange, association, entity or organization that has disciplinary authority over
its members or persons associated with a member;

 

(k)           he/she
has never been convicted of any felony or misdemeanor: (i) in connection with the purchase or sale of any security; (ii) involving
the making of any false filing with the SEC; or (iii) arising out of the conduct of the business of an underwriter, broker, dealer,
municipal securities dealer, investment advisor or paid solicitor of purchasers of securities;

 

(l)            he/she
was never subject to a final order of a state securities commission (or an agency of officer of a state performing like functions); a
state authority that supervises or examines banks, savings associations, or credit unions; a state insurance commission (or an agency
or officer of a state performing like functions); an appropriate federal banking agency; the Commodity Futures Trading Commission; or
the National Credit Union Administration that is based on a violation of any law or regulation that prohibits fraudulent, manipulative,
or deceptive conduct;

 

    4 

     

    

 

(m)           he/she
has never been subject to any order, judgment or decree of any court of competent jurisdiction, that, at the time of such sale, restrained
or enjoined him/her from engaging or continuing to engage in any conduct or practice: (i) in connection with the purchase or sale
of any security; (ii) involving the making of any false filing with the SEC; or (iii) arising out of the conduct of the business
of an underwriter, broker, dealer, municipal securities dealer, investment adviser or paid solicitor of purchasers of securities;

 

(n)            he/she
has never been subject to any order of the SEC that orders him/her to cease and desist from committing or causing a future violation of:
(i) any scienter-based anti-fraud provision of the federal securities laws, including, but not limited to, Section 17(a)(1) of
the Securities Act, Section 10(b) of the Exchange Act and Rule 10b-5 thereunder, and Section 206(1) of the Advisers
Act or any other rule or regulation thereunder; or (ii) Section 5 of the Securities Act;

 

(o)            he/she
has never been named as an underwriter in any registration statement or Regulation A offering statement filed with the SEC that was the
subject of a refusal order, stop order, or order suspending the Regulation A exemption, or is, currently, the subject of an investigation
or proceeding to determine whether a stop order or suspension order should be issued;

 

(p)           he/she
has never been subject to a United States Postal Service false representation order, or is currently subject to a temporary restraining
order or preliminary injunction with respect to conduct alleged by the United States Postal Service to constitute a scheme or device for
obtaining money or property through the mail by means of false representations;

 

(q)            he/she
is not subject to a final order of a state securities commission (or an agency of officer of a state performing like functions); a
state authority that supervises or examines banks, savings associations, or credit unions; a state insurance commission (or an
agency or officer of a state performing like functions); an appropriate federal banking agency; the Commodity Futures Trading
Commission; or the National Credit Union Administration that bars the undersigned from: (i) association with an entity
regulated by such commission, authority, agency or officer; (ii) engaging in the business of securities, insurance or
banking; or (iii) engaging in savings association or credit union activities;

 

(r)            he/she
is not subject to an order of the SEC entered pursuant to section 15(b) or 15B(c) of the Securities Exchange Act of 1934, as
amended (the “Exchange Act”), or section 203(e) or 203(f) of the Investment Advisers Act of 1940, as amended (the
 “Advisers Act”), that: (i) suspends or revokes the undersigned’s registration as a broker, dealer, municipal securities
dealer or investment adviser; (ii) places limitations on the activities, functions or operations of, or imposes civil money penalties
on, such person; or (iii) bars the undersigned from being associated with any entity or from participating in the offering of any
penny stock; and

 

(s)           he/she
has never been suspended or expelled from membership in, or suspended or barred from association with a member of, a securities self-regulatory
organization (e.g., a registered national securities exchange or a registered national or affiliated securities association) for any act
or omission to act constituting conduct inconsistent with just and equitable principles of trade.

 

    5 

     

    

 

8.           The
undersigned has full right and power, without violating any agreement by which he, she or it is bound, to enter into this Letter Agreement
[and to serve as a director and/or officer of the Company].3

 

9.             The
undersigned hereby waives any right to exercise redemption rights with respect to any shares of Common Stock owned or to be owned by the
undersigned, directly or indirectly (or to sell such shares to the Company in a tender offer), whether such shares are part of the Founders’
Shares or shares purchased by the undersigned in the IPO or in the aftermarket, and agrees not to seek redemption with respect to such
shares in connection with any vote to approve a Business Combination or any vote to amend Article Sixth of the Certificate of Incorporation
(or sell such shares to the Company in a tender offer in connection with the foregoing).

 

10.           The
undersigned hereby agrees to not propose, or vote in favor of, an amendment to Article Sixth of the Certificate of Incorporation
prior to the consummation of a Business Combination unless the Company provides public stockholders with the opportunity to redeem their
shares of Common Stock for cash upon such approval in accordance with such Article Sixth thereof.

 

11.           This
Letter Agreement shall be governed by and construed and enforced in accordance with the laws of the State of New York, without
giving effect to conflicts of law principles that would result in the application of the substantive laws of another jurisdiction.
Each of the Company and the undersigned hereby (i) agrees that any action, proceeding or claim against him arising out of or
relating in any way to this Letter Agreement shall be brought and enforced in the courts of the State of New York of the United
States of America for the Southern District of New York, and irrevocably submits to such jurisdiction, which jurisdiction shall be
exclusive and (ii) waives any objection to such exclusive jurisdiction and that such courts represent an inconvenient
forum.

 

 

3 For officer and director letter
only.

 

    6 

     

    

 

12.          As
used herein, (i) a “Business Combination” means a merger, share exchange, asset acquisition, stock purchase,
recapitalization, reorganization or other similar business combination with one or more businesses or entities; (ii) “Insiders”
means all officers, directors and sponsors of the Company immediately prior to the IPO; (iii) “Founders’ Shares”
means all of the shares of Common Stock of the Company acquired by an Insider prior to the IPO; (iv) “IPO Shares”
means the shares of Common Stock issued in the Company’s IPO; (v) “Private Warrants” means the warrants
that are being sold privately by the Company simultaneously with the consummation of the IPO; (vi) “Trust Agreement”
means the Investment Management Trust Agreement between the Company and Continental Stock Transfer & Trust Company being entered
into in connection with the IPO and governing the use of funds held in the Trust Account; (vii) “Trust Account”
means the trust account into which a portion of the net proceeds of the IPO and sale of Private Warrants will be deposited; and (viii) “Registration
Statement” means the Company’s registration statement on Form S-1 (SEC File No. 333-258925) filed with the
Securities and Exchange Commission.

 

13.            This
Letter Agreement constitutes the entire agreement and understanding of the parties hereto in respect of the subject matter hereof and
supersedes all prior understandings, agreements, or representations by or among the parties hereto, written or oral, to the extent they
relate in any way to the subject matter hereof or the transactions contemplated hereby. This Letter Agreement may not be changed, amended,
modified or waived (other than to correct a typographical error), except by a written instrument executed by all parties hereto.

 

14.          Each
of the undersigned acknowledges and understands that the Underwriters and the Company will rely upon the agreements, representations and
warranties set forth herein in proceeding with the IPO. Nothing contained herein shall be deemed to render the Underwriters a representative
of, or a fiduciary with respect to, the Company, its stockholders or any creditor or vendor of the Company with respect to the subject
matter hereof.

 

[Signature Page Follows]

 

    7 

     

    

 

	 	[_____]
	 	Print Name of Insider
	 	 
	 	 
	 	Signature
	 	 
	 	Acknowledged and Agreed:
	 	 
	 	ACCRETION ACQUISITION CORP.
	 	 	 
	 	By:	 
	 	 	Name:
	 	 	Title:

 

    8

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