EX-10.1



 Exhibit 10.1 

SUBSCRIPTION AGREEMENT 
 Forum Merger
Corporation 
 c/o Forum Investors I, LLC 
 135 East 57th Street 
 8th Floor 

New York, New York 10022 
 November
[    ], 2017 
 Ladies and Gentlemen: 

In connection with the proposed business combination (the “Transaction”) between Forum Merger Corporation, a Delaware
corporation (the “Company”), and C1 Investment Corp., a Delaware corporation (“C1”), pursuant to a contemplated Agreement and Plan of Merger among the Company, C1 and the other parties thereto (as may be amended
and/or restated, the “Transaction Agreement”), the Company is seeking commitments to purchase shares (the “Shares”) of the Company’s Class A common stock, par value $0.0001 per share (the “Common
Stock”) for a purchase price of $8.00 per share (the “Purchase Price”). The Company is offering the Shares in a private placement in which the Company expects to raise an aggregate of up to $100 million (subject to
increase or decrease in the discretion of the Company) after consultation with the Placement Agents (as defined below)). In connection therewith, the undersigned and the Company agree as follows: 

1. Subscription. As of the date written above (the “Subscription Date”), the undersigned hereby
irrevocably subscribes for and agrees to purchase from the Company such number of Shares as is set forth on the signature page of this Subscription Agreement at the Purchase Price and on the terms provided for herein. The undersigned understands and
agrees that the Company reserves the right to accept or reject the undersigned’s subscription for the Shares for any reason or for no reason, in whole or in part, at any time prior to its acceptance by the Company, and the same shall be deemed
to be accepted by the Company, and this Subscription Agreement shall be effective and enforceable against the Company only upon the date (the “Effective Date”) this Subscription Agreement is signed by a duly authorized person by or
on behalf of the Company; the Company may do so in counterpart form. Notwithstanding the foregoing, in the event that the Company does not (i) accept the subscription, and (ii) consummate the closing of the Transaction, on or before
April 2, 2018, this Subscription Agreement shall be void and of no further effect and any monies paid by the undersigned to the Company in connection herewith shall immediately be returned to the undersigned. In the event of rejection of the
entire subscription by the Company or the termination of this Subscription Agreement in accordance with the terms hereof, the undersigned’s payment of the Purchase Price will be returned promptly to the undersigned along with this Subscription
Agreement, and this Subscription Agreement shall have no force or effect. In the event that the Company rejects the subscription in part, the undersigned may terminate this Subscription Agreement by providing notice to the Company within one
business day of receiving notification that its subscription was rejected in part. 

  
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 2. Closing; Delivery of Shares. 

a. The closing of the sale of Shares contemplated hereby (the “Closing”) is contingent upon the substantially concurrent
consummation of the Transaction on the terms set forth in the Transaction Agreement. The Closing shall occur on the date of, and immediately prior to, the consummation of the Transaction. Upon (i) satisfaction of the conditions set forth in
Section 3 below and (ii) not less than five (5) business days’ written notice from (or on behalf of) the Company to the undersigned (the “Closing Notice”), that the Company reasonably expects all conditions to
the closing of the Transaction to be satisfied on a date that is not less than five (5) business days from the date of the Closing Notice, the undersigned shall deliver to the Company on the closing date specified in the Closing Notice (the
“Closing Date”) the Purchase Price for the Shares subscribed by wire transfer of United States dollars in immediately available funds to the account specified by the Company in the Closing Notice against delivery to the undersigned
of the Shares in certificated form as set forth in subsection 2(b) below. This Subscription Agreement shall terminate and be of no further force or effect, without any liability to either party hereto, if the Company notifies the undersigned in
writing that it has abandoned its plans to move forward with the Transaction and/or terminates the undersigned’s obligations without the delivery of the Shares having occurred. 

b. (i) Immediately upon the Closing, the Company shall deliver (or cause the delivery of) the Shares in certificated form with restrictive
legends in the amount as set forth on the signature page to each of the undersigned that elects the first delivery as indicated on the signature page or to a custodian designated by such undersigned, as applicable, as indicated below; and 

(ii) within five trading days of the effective date of the registration statement registering all the Shares, the Company shall deliver (or
cause the delivery of) the Shares in certificated form with restrictive legends in the amount as set forth in the signature page to each of the undersigned who elects the second delivery as indicated on the signature page, or to a custodian
designated by such undersigned, as applicable, as indicated below. 
 3. Closing Conditions. The Closing is also
subject to the conditions that, on the Closing Date: 
 a. no suspension of the qualification of the Shares for offering or sale or trading
in any jurisdiction, or initiation or threatening of any proceedings for any of such purposes, shall have occurred; 
 b. all
representations and warranties of the Company and the undersigned contained in this Subscription Agreement shall be true and correct in all material respects (other than representations and warranties that are qualified as to materiality or Material
Adverse Effect (as defined herein), which representations and warranties shall be true in all respects) at and as of the Closing Date, and consummation of the Closing shall constitute a reaffirmation by each of the Company and the undersigned of
each of the representations, warranties and agreements of each such party contained in this Subscription Agreement as of the Closing Date; 

  
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 c. no applicable governmental authority shall have enacted, issued, promulgated, enforced or
entered any judgment, order, law, rule or regulation (whether temporary, preliminary or permanent) which is then in effect and has the effect of making consummation of the transactions contemplated hereby illegal or otherwise restraining or
prohibiting consummation of the transactions contemplated hereby, and no governmental authority shall have instituted or threatened in writing a proceeding seeking to impose any such restraint or prohibition; 

d. there is no Material Adverse Change (as defined in the Transaction Agreement) with respect to the Company or C1; and 

e. all conditions precedent to the closing of the Transaction, including the approval of the Company’s shareholders, shall have been
satisfied or waived (other than those conditions which, by their nature, are to be satisfied at the closing of the Transaction). 

4. Further Assurances. At the Closing, the parties hereto shall execute and deliver such additional documents and take
such additional actions as the parties reasonably may deem to be practical and necessary in order to consummate the subscription as contemplated by this Subscription Agreement. 

5. Company Representations and Warranties. The Company represents and warrants to the undersigned that: 

a. The Company has been duly incorporated, is validly existing and is in good standing under the laws of the State of Delaware, with corporate
power and authority to own, lease and operate its properties and conduct its business as presently conducted and to enter into, deliver and perform its obligations under this Subscription Agreement. 

b. The Shares have been duly authorized and, when issued and delivered to the undersigned against full payment therefor in accordance with the
terms of this Subscription Agreement, the Shares will be validly issued, fully paid and non-assessable and will not have been issued in violation of or subject to any preemptive or similar rights created under
the Company’s Amended and Restated Certificate of Incorporation (as amended) or under the laws of the State of Delaware. 
 c. This
Subscription Agreement have been duly authorized, executed and delivered by the Company and are enforceable against the Company in accordance with their respective terms, except as may be limited or otherwise affected by (i) bankruptcy,
insolvency, fraudulent conveyance, reorganization, moratorium or other laws relating to or affecting the rights of creditors generally, and (ii) principles of equity, whether considered at law or equity. 

d. The issuance and sale of the Shares and the compliance by the Company with all of the provisions of this Subscription Agreement and the
consummation of the transactions herein will be done in accordance with the NASDAQ marketplace rules and will not conflict with or result in a breach or violation of any of the terms or provisions of, or constitute a default under, or result in the
creation or imposition of any lien, charge or encumbrance upon any of the 

  
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property or assets of the Company or any of its subsidiaries pursuant to the terms of (i) any indenture, mortgage, deed of trust, loan agreement, license, lease or any other agreement or
instrument to which the Company or any of its subsidiaries is a party or by which the Company or any of its subsidiaries is bound or to which any of the property or assets of the Company is subject, which would have a material adverse effect on the
business, properties, financial condition, stockholders’ equity or results of operations of the Company (a “Material Adverse Effect”) or materially affect the validity of the Shares or the legal authority of the Company to
comply in all material respects with the terms of this Subscription Agreement; (ii) result in any violation of the provisions of the organizational documents of the Company; or (iii) result in any violation of any statute or any judgment,
order, rule or regulation of any court or governmental agency or body, domestic or foreign, having jurisdiction over the Company or any of its properties that would have a Material Adverse Effect or materially affect the validity of the Shares or
the legal authority of the Company to comply with this Subscription Agreement; subject, in the case of the foregoing clauses (i) and (iii) with respect to the consummation of the transactions therein contemplated. 

e. The Company has not entered into any agreement or arrangement entitling any agent, broker, investment banker, financial advisor or other
person to any broker’s or finder’s fee or any other commission or similar fee in connection with the transactions contemplated by this Subscription Agreement for which the undersigned could become liable. Other than Evercore Group, L.L.C.,
Cowen and Company, LLC and EarlyBirdCapital, Inc. (collectively, the “Placement Agents”), the Company is not aware of any person that has been or will be paid (directly or indirectly) remuneration for solicitation of purchasers in
connection with the sale of any Shares. 
 f. The Company understands that the foregoing representations and warranties shall be deemed
material and to have been relied upon by the undersigned. 
 g. The Company is not, and immediately after receipt of payment for the Shares,
will not be, an “investment company” within the meaning of the Investment Company Act of 1940, as amended. 
 h. Assuming the
accuracy of the subscriber representations and warranties set forth in Section 6, in connection with the offer, sale and delivery of the Shares in the manner contemplated by this Agreement, it is not necessary to register the Shares under the
Securities Act. 
 i. The Company shall use its reasonable best efforts to cause the Transaction Agreement relating to the Transaction to
include (i) a provision naming the Placement Agents and any other placement agents engaged by the Company in connection with the Transaction and the subscribers named herein as third party beneficiaries of the representations and warranties of
C1 (including, without limitation, representations and warranties relating to the accuracy and completeness of the Investor Disclosure Package (as defined below)) contained therein and (ii) a provision naming the subscribers named herein as
third party beneficiaries of the covenants of C1 contained therein; provided, however, the subscribers named herein understand and agree that the Company may waive compliance with such covenants in its sole and absolute discretion. 

  
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 6. Subscriber Representations and Warranties. The undersigned represents and
warrants to the Company that: 
 a. The undersigned is (i) an institutional “accredited investor” (within the meaning of Rule
501(a)(1), (2), (3) or (7) under the Securities Act of 1933, as amended (the “Securities Act”), in each case, satisfying the requirements set forth on Schedule A hereto, and (ii) is acquiring the Shares only for
his, her or its own account and (iii) not for the account of others, and not on behalf of any other account or person or with a view to, or for offer or sale in connection with, any distribution thereof in violation of the Securities Act (and
shall provide the requested information on Schedule A following the signature page hereto). The undersigned is not an entity formed for the specific purpose of acquiring the Shares. 

b. The undersigned understands that the Shares are being offered in a transaction not involving any public offering within the meaning of the
Securities Act and that the Shares delivered at the Closing have not been registered under the Securities Act. The undersigned understands that the Shares may not be resold, transferred, pledged or otherwise disposed of by the undersigned absent an
effective registration statement under the Securities Act except (i) to the Company or a subsidiary thereof, (ii) to non-U.S. persons pursuant to offers and sales that occur outside the United States
within the meaning of Regulation S under the Securities Act or (iii) pursuant to another applicable exemption from the registration requirements of the Securities Act, and in each of cases (i) and (iii) in accordance with any applicable
securities laws of the states and other jurisdictions of the United States, and that any certificates representing the Shares delivered at the Closing shall contain a legend to such effect. The undersigned acknowledges that the Shares will not be
eligible for resale pursuant to Rule 144A promulgated under the Securities Act. The undersigned understands and agrees that the Shares, until registered under an effective registration statement, will be subject to transfer restrictions and, as a
result of these transfer restrictions, the undersigned may not be able to readily resell the Shares and may be required to bear the financial risk of an investment in the Shares for an indefinite period of time. The undersigned understands that it
has been advised to consult legal counsel prior to making any offer, resale, pledge or transfer of any of the Shares. 
 c. The undersigned
understands and agrees that the undersigned is purchasing Shares directly from the Company. The undersigned further acknowledges that there have been no representations, warranties, covenants and agreements made to the undersigned by the Company, or
any of its officers or directors, expressly or by implication, other than those representations, warranties, covenants and agreements included in this Subscription Agreement. 

d. The undersigned’s acquisition and holding of the Shares will not constitute or result in a
non-exempt prohibited transaction under Section 406 of the Employee Retirement Income Security Act of 1974, as amended, Section 4975 of the Internal Revenue Code of 1986, as amended, or any
applicable similar law. 
 e. The undersigned acknowledges and agrees that the undersigned has received such information as the undersigned
deems necessary in order to make an investment decision with respect to the Shares. Without limiting the generality of the foregoing, the undersigned 

  
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acknowledges that it has reviewed (i) the Company’s filings with the United States Securities and Exchange Commission (the “SEC”) and (ii) the investor disclosure
package provided to the undersigned, dated September 22, 2017 (the “Investor Disclosure Package”). The undersigned represents and agrees that the undersigned and the undersigned’s professional advisor(s), if any, have had
the full opportunity to ask the Company’s management questions, receive such answers and obtain such information as the undersigned and such undersigned’s professional advisor(s), if any, have deemed necessary to make an investment
decision with respect to the Shares. The undersigned further acknowledges that the information contained in the Investor Disclosure Package is preliminary and subject to change, and that any changes to the information contained in the Investor
Disclosure Package, including, without limitation, any changes based on updated information or changes in terms of the Transaction, shall in no way affect the undersigned’s obligation to purchase the Shares hereunder, except as otherwise
provided herein. 
 f. The undersigned became aware of this offering of the Shares solely by means of direct contact between the undersigned
and the Company, the Placement Agents or a representative of the Company or Placement Agents, and the Shares were offered to the undersigned solely by direct contact between the undersigned and the Company, the Placement Agents or a representative
of the Company or Placement Agents. The undersigned did not become aware of this offering of the Shares, nor were the Shares offered to the undersigned, by any other means. For the avoidance of doubt, the undersigned did not become aware of this
offering of the Securities by contact with any of C1’s representatives or any materials it received from C1 or its representatives. The undersigned acknowledges that the Company represents and warrants that the Shares (i) were not offered
by any form of general solicitation or general advertising and (ii) are not being offered in a manner involving a public offering under, or in a distribution in violation of, the Securities Act, or any state securities laws. 

g. The undersigned acknowledges that it is aware that there are substantial risks incident to the purchase and ownership of the Shares,
including those set forth in the Investor Disclosure Package and in the Company’s filings with the SEC. The undersigned has such knowledge and experience in financial and business matters as to be capable of evaluating the merits and risks of
an investment in the Shares, and the undersigned has sought such accounting, legal and tax advice as the undersigned has considered necessary to make an informed investment decision. 

h. Alone, or together with any professional advisor(s), the undersigned has adequately analyzed and fully considered the risks of an
investment in the Shares and determined that the Shares are a suitable investment for the undersigned and that the undersigned is able at this time and in the foreseeable future to bear the economic risk of a total loss of the undersigned’s
investment in the Company. The undersigned acknowledges specifically that a possibility of total loss exists. 
 i. In making its decision
to purchase the Shares, the undersigned has relied solely upon independent investigation made by the undersigned. Without limiting the generality of the foregoing, the undersigned has not relied on any statements or other information provided by the
Placement Agents concerning the Company or the Shares or the offer and sale of the Shares. 

  
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 j. The undersigned understands and agrees that no federal or state agency has passed upon or
endorsed the merits of the offering of the Shares or made any findings or determination as to the fairness of this investment or the accuracy or adequacy of the Investor Disclosure Package. 

k. The undersigned has been duly formed or incorporated and is validly existing in good standing under the laws of its jurisdiction of
incorporation or formation. 
 l. The execution, delivery and performance by the undersigned of this Subscription Agreement are within the
powers of the undersigned, have been duly authorized and will not constitute or result in a breach or default under or conflict with any order, ruling or regulation of any court or other tribunal or of any governmental commission or agency, or any
agreement or other undertaking, to which the undersigned is a party or by which the undersigned is bound, and, if the undersigned is not an individual, will not violate any provisions of the undersigned’s charter documents, including, without
limitation, its incorporation or formation papers, bylaws, indenture of trust or partnership or operating agreement, as may be applicable. The signature on this Subscription Agreement is genuine, and the signatory, if the undersigned is an
individual, has legal competence and capacity to execute the same or, if the undersigned is not an individual the signatory has been duly authorized to execute the same, and this Subscription Agreement constitutes a legal, valid and binding
obligation of the undersigned, enforceable against the undersigned in accordance with its terms. 
 m. Neither the due diligence
investigation conducted by the undersigned in connection with making its decision to acquire the Shares nor any representations and warranties made by the undersigned herein shall modify, amend or affect the undersigned’s right to rely on the
truth, accuracy and completeness of the Company’s representations and warranties contained herein. 
 n. The undersigned is not
(i) a person or entity named on the List of Specially Designated Nationals and Blocked Persons administered by the U.S. Treasury Department’s Office of Foreign Assets Control (“OFAC”) or in any Executive Order issued by
the President of the United States and administered by OFAC (“OFAC List”), or a person or entity prohibited by any OFAC sanctions program, (ii) a Designated National as defined in the Cuban Assets Control Regulations, 31 C.F.R.
Part 515, or (iii) a non-U.S. shell bank or providing banking services indirectly to a non-U.S. shell bank (collectively, a “Prohibited Investor”).
The undersigned agrees to provide law enforcement agencies, if requested thereby, such records as required by applicable law, provided that the undersigned is permitted to do so under applicable law. If the undersigned is a financial institution
subject to the Bank Secrecy Act (31 U.S.C. Section 5311 et seq.) (the “BSA”), as amended by the USA PATRIOT Act of 2001 (the “PATRIOT Act”), and its implementing regulations (collectively, the
“BSA/PATRIOT Act”), the undersigned maintains policies and procedures reasonably designed to comply with applicable obligations under the BSA/PATRIOT Act. To the extent required, it maintains policies and procedures reasonably
designed for the screening of its investors against the OFAC sanctions programs, including the OFAC List. To the extent required, it maintains policies and procedures reasonably designed to ensure that the funds held by the undersigned and used to
purchase the Shares were legally derived. 

  
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 o. No disclosure or offering document has been prepared by the Placement Agents in connection
with the offer and sale of the Shares. 
 p. The Placement Agents and each of their members, directors, officers, employees, representatives
and controlling persons have made no independent investigation with respect to the Company or the Shares or the accuracy, completeness or adequacy of any information supplied to the undersigned by the Company. 

q. In connection with the issue and purchase of the Shares, the Placement Agents have not acted as the undersigned’s financial advisor or
fiduciary. 
 7. Registration Rights. The Company agrees that, within thirty (30) calendar days after the
consummation of the Transaction, the Company (or its successor) will file with the SEC (at the Company’s sole cost and expense) a registration statement registering the resale of the Shares (the “Registration Statement”), and
the Company shall use its commercially reasonable efforts to have the Registration Statement declared effective as soon as practicable after the filing thereof. The Company agrees that the Company will cause such Registration Statement or another
registration statement (which may be a “shelf” registration statement) to remain effective until the earlier of (i) two years from the issuance of the Shares, or (ii) on the first date on which the undersigned can sell all of its
Shares (or shares received in exchange therefor) under Rule 144 of the Securities Act without limitation as to the manner of sale or the amount of such securities that may be sold. The undersigned agrees to disclose its beneficial ownership, as
determined in accordance with Rule 13d-3 of the Securities Exchange Act of 1934 (as amended, the “Exchange Act”), of Shares to the Company (or its successor) upon request to assist the Company
in making the determination described above. The Company’s obligations to include the Shares in the Registration Statement are contingent upon the undersigned furnishing in writing to the Company such information regarding the undersigned, the
securities of the Company held by the undersigned and the intended method of disposition of the Shares as shall be reasonably requested by the Company to effect the registration of the Shares, and shall execute such documents in connection with such
registration as the Company may reasonably request that are customary of a selling stockholder in similar situations. The Company may suspend the use of any such registration statement if it determines in the opinion of counsel for the Company that
in order for the registration statement to not contain a material misstatement or omission, an amendment thereto would be needed to include information that would at that time not otherwise be required in a current, quarterly, or annual report under
the Exchange Act, as amended; provided, that, the Company shall use commercially reasonable efforts to make such registration statement available for the sale by the undersigned of such securities as soon as practicable thereafter. 

8. Termination. This Subscription Agreement shall terminate and be void and of no further force and effect, and all
rights and obligations of the parties hereunder shall terminate without any further liability on the part of any party in respect thereof, upon the earlier to occur of (a) such date and time as the Transaction Agreement is terminated in
accordance with its terms, (b) upon the mutual written agreement of each of the parties hereto to terminate this Subscription Agreement or (c) if any of the conditions to Closing set forth in Section 3 of this


  
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Subscription Agreement are not satisfied or waived on or prior to the Closing and, as a result thereof, the transactions contemplated by this Subscription Agreement are not consummated at the
Closing; provided that nothing herein will relieve any party from liability for any willful breach hereof prior to the time of termination, and each party will be entitled to any remedies at law or in equity to recover losses, liabilities or
damages arising from such breach. The Company shall promptly notify the undersigned of the termination of the Transaction Agreement promptly after the termination of such agreement. 

9. Trust Account Waiver. Reference is made to the final prospectus of the Company, filed with the SEC (File No. 333-216842) (the “Prospectus”), and dated as of April 6, 2017. The Company shall provide the undersigned with a copy of the Prospectus upon request and the undersigned hereby
represents and warrants that it has read the Prospectus and understands that the Company has established a trust account (the “Trust Account”) containing the proceeds of its initial public offering (the “IPO”) and
from certain private placements occurring simultaneously with the IPO (including interest accrued from time to time thereon) for the benefit of the Company’s public stockholders (including overallotment shares acquired by the Company’s
underwriters, the “Public Stockholders”), and that, except as otherwise described in the Prospectus, the Company may disburse monies from the Trust Account only: (a) to the Public Stockholders in the event they elect to redeem
their Company shares in connection with the consummation of the Company’s initial business combination (as such term is used in the Prospectus) (the “Business Combination”) or in connection with an extension of the deadline to
consummate a Business Combination, (b) to the Public Stockholders if the Company fails to consummate a Business Combination within twenty-four (24) months after the closing of the IPO, (c) with respect to any interest earned on the
amounts held in the Trust Account, as necessary to pay any franchise or income taxes or (d) to the Company after or concurrently with the consummation of a Business Combination. For and in consideration of the Company entering into this
Subscription Agreement, and for other good and valuable consideration, the receipt and sufficiency of which is hereby acknowledged, the undersigned hereby agrees on behalf of itself and its respective affiliates that, notwithstanding anything to the
contrary in this Subscription Agreement, neither the Company nor any of its respective affiliates do now or shall at any time hereafter have any right, title, interest or claim of any kind in or to any monies in the Trust Account or distributions
therefrom, or make any claim against the Trust Account (including any distributions therefrom, regardless of whether such claim arises as a result of, in connection with or relating in any way to this Subscription Agreement between the Company or
its Representatives (as defined below), on the one hand, and the Company or its Representatives, on the other hand, this Subscription Agreement or any other matter, and regardless of whether such claim arises based on contract, tort, equity or any
other theory of legal liability (any and all such claims are collectively referred to hereafter as the “Released Claims”). The undersigned, on behalf of itself and its affiliates, hereby irrevocably waives any Released Claims that
the undersigned or its affiliates may have against the Trust Account now (including any distributions therefrom) or in the future as a result of, or arising out of, any negotiations, contracts or agreements with the Company or its Representatives
and will not seek recourse against the Trust Account (including any distributions therefrom) for any reason whatsoever (including for an alleged breach of any agreement with the Company or its affiliates). The undersigned agrees and acknowledges
that such irrevocable waiver is material to this Subscription Agreement and specifically relied upon by the Company and its affiliates to induce the Company to enter in this 

  
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Subscription Agreement, and the Company further intends and understands such waiver to be valid, binding and enforceable against the undersigned and each of its affiliates under applicable law.
To the extent the undersigned or any of its affiliates commences any action or proceeding based upon, in connection with, relating to or arising out of any matter relating to the Company or its Representatives, which proceeding seeks, in whole or in
part, monetary relief against the Company or its Representatives, the undersigned hereby acknowledges and agrees that the Company’s and its affiliates’ sole remedy shall be against funds held outside of the Trust Account and that such
claim shall not permit the Company or its affiliates (or any person claiming on any of their behalves or in lieu of any of them) to have any claim against the Trust Account (including any distributions therefrom) or any amounts contained therein. In
the event the Company any of its affiliates commences any action or proceeding based upon, in connection with, relating to or arising out of any matter relating to the Company or its Representatives, which proceeding seeks, in whole or in part,
relief against the Trust Account (including any distributions therefrom) or the Public Stockholders, whether in the form of money damages or injunctive relief, the Company and its Representatives, as applicable, shall be entitled to recover from the
undersigned and its affiliates the associated legal fees and costs in connection with any such action, in the event the Company or its Representatives, as applicable, prevails in such action or proceeding. For purposes of this Subscription
Agreement, “Representatives” with respect to any person shall mean such person’s affiliates and its and its affiliate’s respective directors, officers, employees, consultants, advisors, agents and other representatives.

 10. Miscellaneous. 

a. Neither this Subscription Agreement nor any rights that may accrue to the undersigned hereunder (other than the Shares acquired hereunder,
if any) may be transferred or assigned. 
 b. The Company may request from the undersigned such additional information as the Company may
deem necessary to evaluate the eligibility of the undersigned to acquire the Shares, and the undersigned shall provide such information as may reasonably be requested, to the extent readily available and to the extent consistent with its internal
policies and procedures. 
 c. The undersigned acknowledges that the Company, the Placement Agents and others will rely on the
acknowledgments, understandings, agreements, representations and warranties contained in this Subscription Agreement. Prior to the Closing, the undersigned agrees to promptly notify the Company if any of the acknowledgments, understandings,
agreements, representations and warranties set forth herein are no longer accurate. The undersigned agrees that each purchase by the undersigned of Shares from the Company will constitute a reaffirmation of the acknowledgments, understandings,
agreements, representations and warranties herein (as modified by any such notice) by the undersigned as of the time of such purchase. The undersigned further acknowledges and agrees that the Placement Agents are a third-party beneficiary of the
representations and warranties of the undersigned contained in Section 6 of this Subscription Agreement. 
 d. The Company is entitled
to rely upon this Subscription Agreement and is irrevocably authorized to produce this Subscription Agreement or a copy hereof to any interested party in any administrative or legal proceeding or official inquiry with respect to the matters covered
hereby. 

  
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 e. All the agreements, representations and warranties made by each party hereto in this
Subscription Agreement shall survive the Closing. 
 g. This Subscription Agreement may not be modified, waived or terminated except by an
instrument in writing, signed by the party against whom enforcement of such modification, waiver, or termination is sought. 
 h. This
Subscription Agreement constitutes the entire agreement, and supersedes all other prior agreements, understandings, representations and warranties, both written and oral, among the parties, with respect to the subject matter hereof. This
Subscription Agreement shall not confer any rights or remedies upon any person other than the parties hereto, and their respective successor and assigns. 

i. Except as otherwise provided herein, this Subscription Agreement shall be binding upon, and inure to the benefit of the parties hereto and
their heirs, executors, administrators, successors, legal representatives, and permitted assigns, and the agreements, representations, warranties, covenants and acknowledgments contained herein shall be deemed to be made by, and be binding upon,
such heirs, executors, administrators, successors, legal representatives and permitted assigns. 
 j. If any provision of this Subscription
Agreement shall be invalid, illegal or unenforceable, the validity, legality or enforceability of the remaining provisions of this Agreement shall not in any way be affected or impaired thereby and shall continue in full force and effect. 

k. This Subscription Agreement may be executed in one or more counterparts (including by facsimile or electronic mail or in .pdf) and by
different parties in separate counterparts, with the same effect as if all parties hereto had signed the same document. All counterparts so executed and delivered shall be construed together and shall constitute one and the same agreement. 

l. The parties hereto agree that irreparable damage would occur in the event that any of the provisions of this Subscription Agreement were
not performed in accordance with their specific terms or were otherwise breached. It is accordingly agreed that the parties shall be entitled to an injunction or injunctions to prevent breaches of this Subscription Agreement and to enforce
specifically the terms and provisions of this Subscription Agreement, this being in addition to any other remedy to which such party is entitled at law, in equity, in contract, in tort or otherwise. 

m. THIS SUBSCRIPTION AGREEMENT SHALL BE GOVERNED BY, AND CONSTRUED IN ACCORDANCE WITH, THE LAWS OF THE STATE OF NEW YORK, WITHOUT REGARD TO
THE PRINCIPLES OF CONFLICTS OF LAWS THAT WOULD OTHERWISE REQUIRE THE APPLICATION OF THE LAW OF ANY 

  
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OTHER STATE. EACH PARTY HERETO HEREBY WAIVES ANY RIGHT TO A JURY TRIAL IN CONNECTION WITH ANY LITIGATION PURSUANT TO THIS SUBSCRIPTION AGREEMENT AND THE TRANSACTIONS CONTEMPLATED HEREBY. 

n. All notices and other communications hereunder shall be in writing and shall be deemed to have been duly given if mailed or transmitted and
confirmed by any standard form of telecommunication. 
 Notice to the Company shall be given to: 

Forum Merger Corporation 
 c/o
Forum Investors I, LLC 
 135 East 57th Street 

8th Floor 

New York, New York 10022 
 Attn.:
David Boris 
 with a copy to (which shall not constitute notice): 

Ellenoff Grossman & Schole LLP

1345 Avenue of the Americas 
 New
York, New York 10105 
 Attn.: Tamar Donikyan, Esq. 

Notice to the Placement Agents shall be given to: 

Evercore Group L.L.C. 
 55 East
52nd Street, 36th Floor 
 New York, NY 10055 

Attn.: Tejwantie Niranjan 
 Cowen
and Company, LLC 
 599 Lexington Avenue 

New York, NY 10022, 
 Attention:
General Counsel 
 EarlyBirdCapital, Inc. 

366 Madison Avenue, 8th Floor 

New York, NY 10017 
 Attention:
Steven Levine 
 with a copy to (which shall not constitute notice): 

Fried, Frank, Harris, Shriver & Jacobson LLP 

One New York Plaza 
 New York, New
York 10004 
 Attn.: Stuart Gelfond, Esq. 

  
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 Notice to C1 shall be given to: 

C1 Investment Corp. 
 3344
Highway 149 
 Eagan, MN 55121 

Attn.: Chief Financial Officer 

with a copy to (which shall not constitute notice): 

Cooley LLP 
 3175 Hanover Street

 Palo Alto, CA 94304-1130 

Attn.: John T. McKenna, Esq. 

11. Non-Reliance and Exculpation. The undersigned acknowledges that it is not relying upon, and
has not relied upon, any statement, representation or warranty made by any person, firm or corporation (including, without limitation, the Placement Agents, any of their affiliates or any of its or their control persons, officers, directors and
employees), other than the statements, representations and warranties contained in this Subscription Agreement, in making its investment or decision to invest in the Company. The undersigned agrees that neither (i) any other purchaser pursuant
to this Subscription Agreement or any other Subscription Agreement related to the private placement of the Shares (including the respective controlling persons, members, officers, directors, partners, agents, or employees of any purchaser) nor
(ii) Placement Agents, their affiliates or any of its or their control persons, officers, directors or employees, shall be liable to any other purchaser pursuant to this Subscription Agreement or any other Subscription Agreement related to the
private placement of the Shares for any action heretofore or hereafter taken or omitted to be taken by any of them in connection with the purchase of the Shares. 

[SIGNATURE PAGES FOLLOW] 

  
 13 








 IN WITNESS WHEREOF, the parties hereto have caused this Subscription Agreement to be duly
executed by their respective authorized signatories as of the date first indicated above. 
  

					
	FORUM MERGER CORPORATION 	  	 Address for Notice:
  

Forum Merger Corporation
 c/o Forum Investors I, LLC

135 East 57th Street
 8th Floor

New York, New York 10022

		  		  	Email: david@forummerger.com                


			
	By:	 	  

	Name:	 	David Boris
	Title:	 	Co-Chief Executive Officer


  
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 [PURCHASER SIGNATURE PAGES TO SUBSCRIPTION AGREEMENT] 

IN WITNESS WHEREOF, the undersigned have caused this Subscription Agreement to be duly executed by their respective authorized signatories as
of the date first indicated above. 

Name(s) of Subscriber:                    
                                         
                                         
                                         
                            

Signature of Authorized Signatory of Subscriber:            
                                         
                                         
                                    

Name of Authorized Signatory:                  
                                         
                                         
                                         
                 

Title of Authorized Signatory:                  
                                         
                                         
                                         
                   

Email Address of Authorized Signatory:                
                                         
                                         
                                         
     

Facsimile Number of Authorized Signatory:                
                                         
                                         
                                        

Address for Notice to Subscriber: 
 Address for Delivery of
Shares to Subscriber (if not same as address for notice): 
 [    ] First Delivery 

Subscription Amount: $                     

Shares:                      

EIN Number:                      

[    ] Second Delivery 
 Subscription
Amount: $                     
 Shares:
                     
 EIN Number:
                     
 [SIGNATURE
PAGES CONTINUE] 

  
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 SCHEDULE A 

PURCHASE QUESTIONNAIRE 

  
 16