Document:

EX-10.5

 Exhibit 10.5 

Roman DBDR Tech Acquisition Corp. II 

2877 Paradise Road #702 

Las Vegas, NV 89109 

January 21, 2021 
 Roman DBDR Tech Sponsor II
LLC 
 2877 Paradise Road #702 
 Las Vegas, NV 89109 

 

	 	Re:	 Securities Subscription Agreement  

Ladies and Gentlemen: 
 This agreement (the
“Agreement”) is entered into on January 21, 2021 by and between Roman DBDR Tech Sponsor II LLC, a Delaware limited liability company (the “Subscriber” or “you”), and Roman DBDR Tech Acquisition
Corp. II, a Delaware corporation (the “Company,” “we” or “us”). Pursuant to the terms hereof, the Company hereby accepts the offer the Subscriber has made to purchase 7,187,500 shares of
Class B common stock, $0.0001 par value per share (the “Shares”), up to 937,500 of which are subject to forfeiture by you if the underwriters of the initial public offering (“IPO”) of units
(“Units”) of the Company, do not fully exercise their over-allotment option (the “Over-allotment Option”). The Company and the Subscriber’s agreements regarding such Shares are as follows: 

1. Purchase of Securities. 

1.1. Purchase of Shares. For the sum of $25,000 (the “Purchase Price”), which the Company acknowledges receiving in
cash or as a result of Subscriber discharging obligations of the Company in the amount of the Purchase Price, the Company hereby issues the Shares to the Subscriber, and the Subscriber hereby purchases the Shares from the Company, subject to
forfeiture, on the terms and subject to the conditions set forth in this Agreement. Concurrently with the Subscriber’s execution of this Agreement, the Company shall, at its option, deliver to the Subscriber a certificate registered in the
Subscriber’s name representing the shares (the “Original Certificate”), or effect such delivery in book-entry form. 

2. Representations, Warranties and Agreements. 

2.1. Subscriber’s Representations, Warranties and Agreements. To induce the Company to issue the Shares to the Subscriber, the
Subscriber hereby represents and warrants to the Company and agrees with the Company as follows: 
 2.1.1. No Government Recommendation
or Approval. The Subscriber understands that no federal or state agency has passed upon or made any recommendation or endorsement of the offering of the Shares. 

 2.1.2. No Conflicts. The execution, delivery and performance of this Agreement and
the consummation by the Subscriber of the transactions contemplated hereby do not violate, conflict with or constitute a default under (i) the formation and governing documents of the Subscriber, (ii) any agreement, indenture or instrument
to which the Subscriber is a party or (iii) any law, statute, rule or regulation to which the Subscriber is subject, or any agreement, order, judgment or decree to which the Subscriber is subject. 

2.1.3. Organization and Authority. The Subscriber is a Delaware limited liability company, validly existing and in good standing under
the laws of Delaware and possesses all requisite power and authority necessary to carry out the transactions contemplated by this Agreement. Upon execution and delivery by you, this Agreement is a legal, valid and binding agreement of Subscriber,
enforceable against Subscriber in accordance with its terms, except as such enforceability may be limited by applicable bankruptcy, insolvency, fraudulent conveyance or similar laws affecting the enforcement of creditors’ rights generally and
subject to general principles of equity (regardless of whether enforcement is sought in a proceeding at law or in equity). 
 2.1.4.
Experience, Financial Capability and Suitability. Subscriber is: (i) sophisticated in financial matters and is able to evaluate the risks and benefits of the investment in the Shares and (ii) able to bear the economic risk of its
investment in the Shares for an indefinite period of time because the Shares have not been registered under the Securities Act (as defined below) and therefore cannot be sold unless subsequently registered under the Securities Act or an exemption
from such registration is available. Subscriber is capable of evaluating the merits and risks of its investment in the Company and has the capacity to protect its own interests. Subscriber must bear the economic risk of this investment until the
Shares are sold pursuant to: (i) an effective registration statement under the Securities Act or (ii) an exemption from registration available with respect to such sale. Subscriber is able to bear the economic risks of an investment in the
Shares and to afford a complete loss of Subscriber’s investment in the Shares. 
 2.1.5. Access to Information; Independent
Investigation. Prior to the execution of this Agreement, the Subscriber has had the opportunity to ask questions of and receive answers from representatives of the Company concerning an investment in the Company, as well as the finances,
operations, business and prospects of the Company, and the opportunity to obtain additional information to verify the accuracy of all information so obtained. In determining whether to make this investment, Subscriber has relied solely on
Subscriber’s own knowledge and understanding of the Company and its business based upon Subscriber’s own due diligence investigation and the information furnished pursuant to this paragraph. Subscriber understands that no person has been
authorized to give any information or to make any representations which were not furnished pursuant to this Section 2 and Subscriber has not relied on any other representations or information in making its investment decision, whether written
or oral, relating to the Company, its operations and/or its prospects. 
 2.1.6. Regulation D Offering. Subscriber represents that it
is an “accredited investor” as such term is defined in Rule 501(a) of Regulation D under the Securities Act of 1933, as amended (the “Securities Act”) and acknowledges the sale contemplated hereby is being made in reliance
on a private placement exemption to “accredited investors” within the meaning of Section 501(a) of Regulation D under the Securities Act or similar exemptions under state law. 

  
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 2.1.7. Investment Purposes. The Subscriber is purchasing the Shares solely for
investment purposes, for the Subscriber’s own account and not for the account or benefit of any other person, and not with a view towards the distribution or dissemination thereof. The Subscriber did not decide to enter into this Agreement as a
result of any general solicitation or general advertising within the meaning of Rule 502 under the Securities Act. 
 2.1.8. Restrictions
on Transfer; Shell Company. Subscriber understands the Shares are being offered in a transaction not involving a public offering within the meaning of the Securities Act. Subscriber understands the Shares will be “restricted
securities” within the meaning of Rule 144(a)(3) under the Securities Act, and Subscriber understands that the certificates or book-entries representing the Shares will contain a legend in respect of such restrictions. If in the future the
Subscriber decides to offer, resell, pledge or otherwise transfer the Shares, such Shares may be offered, resold, pledged or otherwise transferred only pursuant to: (i) registration under the Securities Act, or (ii) an available exemption
from registration. Subscriber agrees that if any transfer of its Shares or any interest therein is proposed to be made, as a condition precedent to any such transfer, Subscriber may be required to deliver to the Company an opinion of counsel
satisfactory to the Company. Absent registration or an exemption, the Subscriber agrees not to resell the Shares. Subscriber further acknowledges that because the Company is a shell company, Rule 144 may not be available to the Subscriber for the
resale of the Shares until one year following consummation of the initial business combination of the Company, despite technical compliance with the requirements of Rule 144 and the release or waiver of any contractual transfer restrictions. 

2.1.9. No Governmental Consents. No governmental, administrative or other third party consents or approvals are required, necessary or
appropriate on the part of Subscriber in connection with the transactions contemplated by this Agreement. 
 2.2. Company’s
Representations, Warranties and Agreements. To induce the Subscriber to purchase the Shares, the Company hereby represents and warrants to the Subscriber and agrees with the Subscriber as follows: 

2.2.1. Organization and Corporate Power. The Company is a Delaware corporation and is qualified to do business in every jurisdiction in
which the failure to so qualify would reasonably be expected to have a material adverse effect on the financial condition, operating results or assets of the Company. The Company possesses all requisite corporate power and authority necessary to
carry out the transactions contemplated by this Agreement. 
 2.2.2. No Conflicts. The execution, delivery and performance of this
Agreement and the consummation by the Company of the transactions contemplated hereby do not violate, conflict with or constitute a default under (i) the Certificate of Incorporation or By Laws of the Company, (ii) any agreement, indenture
or instrument to which the Company is a party or (iii) any law, statute, rule or regulation to which the Company is subject, or any agreement, order, judgment or decree to which the Company is subject. 

2.2.3. Title to Securities. Upon issuance in accordance with, and payment pursuant to, the terms hereof, the Shares will be duly and
validly issued, fully paid and non-assessable. Upon issuance in accordance with, and payment pursuant to, the terms hereof, the Subscriber will have or receive good title to the Shares, free and clear of all
liens, claims and encumbrances of any 

  
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kind, other than (a) transfer restrictions hereunder and other agreements to which the Shares may be subject which have been notified to the Subscriber in writing, (b) transfer
restrictions under federal and state securities laws, and (c) liens, claims or encumbrances imposed due to the actions of the Subscriber. 

2.2.4. No Adverse Actions. There are no actions, suits, investigations or proceedings pending, threatened against or affecting the
Company which: (i) seek to restrain, enjoin, prevent the consummation of or otherwise affect the transactions contemplated by this Agreement or (ii) question the validity or legality of any transactions or seeks to recover damages or to
obtain other relief in connection with any transactions. 
 3. Forfeiture of Shares. 

3.1. Partial or No Exercise of the Over-allotment Option. In the event the Over-allotment Option granted to the underwriters of the IPO
is not exercised in full, the Subscriber acknowledges and agrees that it (or, if applicable, it and any transferees of Shares) shall forfeit any and all rights to such number of Shares (up to an aggregate of 937,500 Shares and pro rata based upon
the percentage of the Over-allotment Option exercised) such that immediately following such forfeiture, the Subscriber (and all other initial stockholders prior to the IPO, if any) will own an aggregate number of Shares, not including Shares
issuable upon exercise of any warrants or any Common Stock purchased by Subscriber in the IPO or in the aftermarket equal to 20% of the issued and outstanding Shares immediately following the IPO. 

3.2. Termination of Rights as Stockholder. If any of the Shares are forfeited in accordance with this Section 3, then after such
time the Subscriber (or successor in interest), shall no longer have any rights as a holder of such forfeited Shares, and the Company shall take such action as is appropriate to cancel such forfeited Shares. 

3.3. Share Certificates. In the event an adjustment to the Original Certificates, if any, is required pursuant to this Section 3,
then the Subscriber shall return such Original Certificates to the Company or its designated agent as soon as practicable upon its receipt of notice from the Company advising Subscriber of such adjustment, following which a new certificate (the
“New Certificate”), if any, shall be issued in such amount representing the adjusted number of Shares held by the Subscriber. The New Certificate, if any, shall be returned to the Subscriber as soon as practicable. Any such
adjustment for any uncertificated securities held by the Subscriber shall be made in book-entry form. 
 4. Waiver of Liquidation
Distributions; Redemption Rights. In connection with the Shares purchased pursuant to this Agreement, the Subscriber hereby waives any and all right, title, interest or claim of any kind in or to any distributions by the Company from the trust
account which will be established for the benefit of the Company’s public stockholders and into which substantially all of the proceeds of the IPO will be deposited (the “Trust Account”), in the event of a liquidation of the
Company upon the Company’s failure to timely complete an initial business combination. For purposes of clarity, in the event the Subscriber purchases Shares in the IPO or in the aftermarket, any additional Shares so purchased shall be eligible
to receive any liquidating distributions by the Company. However, in no event will the Subscriber have the right to redeem any Shares into funds held in the Trust Account upon the successful completion of an initial business combination. 

  
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 5. Restrictions on Transfer. 

5.1. Securities Law Restrictions. In addition to any restrictions to be contained in that certain letter agreement (commonly known as
an “Insider Letter”) to be dated as of the closing of the IPO by and between Subscriber and the Company, Subscriber agrees not to sell, transfer, pledge, hypothecate or otherwise dispose of all or any part of the Shares unless,
prior thereto (a) a registration statement on the appropriate form under the Securities Act and applicable state securities laws with respect to the Shares proposed to be transferred shall then be effective or (b) the Company has received
an opinion from counsel reasonably satisfactory to the Company, that such registration is not required because such transaction is exempt from registration under the Securities Act and the rules promulgated by the Securities and Exchange Commission
thereunder and with all applicable state securities laws. 
 5.2. Lock-up. Subscriber
acknowledges that the Securities will be subject to lock-up provisions (the “Lock-up”) contained in the Insider Letter. 

5.3. Restrictive Legends. Any certificates representing the Shares shall have endorsed thereon legends substantially as follows: 

“THE SECURITIES REPRESENTED HEREBY HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED, OR ANY STATE SECURITIES LAWS AND
NEITHER THE SECURITIES NOR ANY INTEREST THEREIN MAY BE OFFERED, SOLD, TRANSFERRED, PLEDGED OR OTHERWISE DISPOSED OF EXCEPT PURSUANT TO AN EFFECTIVE REGISTRATION STATEMENT UNDER SUCH ACT OR SUCH LAWS OR AN EXEMPTION FROM REGISTRATION UNDER SUCH ACT
AND SUCH LAWS WHICH, IN THE OPINION OF COUNSEL, IS AVAILABLE.” 
 “THE SECURITIES REPRESENTED BY THIS CERTIFICATE ARE SUBJECT TO A
LOCKUP AND MAY NOT BE OFFERED, SOLD, TRANSFERRED, PLEDGED OR OTHERWISE DISPOSED DURING THE TERM OF THE LOCKUP.” 
 5.4. Additional
Shares or Substituted Securities. In the event of the declaration of a share dividend, the declaration of an extraordinary dividend payable in a form other than Shares, a spin-off, a share split, an
adjustment in conversion ratio, a recapitalization or a similar transaction affecting the Company’s outstanding Shares without receipt of consideration, any new, substituted or additional securities or other property which are by reason of such
transaction distributed with respect to any Shares subject to this Section 5 or into which such Shares thereby become convertible shall immediately be subject to this Section 5 and Section 3. Appropriate adjustments to reflect the
distribution of such securities or property shall be made to the number and/or class of Shares subject to this Section 5 and Section 3. 

  
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 5.5. Registration Rights. Subscriber acknowledges that the Shares are being purchased
pursuant to an exemption from the registration requirements of the Securities Act and will become freely tradable only after certain conditions are met or they are registered pursuant to a registration rights agreement to be entered into with the
Company prior to the closing of the IPO. 
 6. Other Agreements. 

6.1. Further Assurances. Subscriber agrees to execute such further instruments and to take such further action as may reasonably be
necessary to carry out the intent of this Agreement. 
 6.2. Notices. All notices, statements or other documents which are required
or contemplated by this Agreement shall be: (i) in writing and delivered personally or sent by first class registered or certified mail, overnight courier service or facsimile or electronic transmission to the address designated in writing,
(ii) by facsimile to the number most recently provided to such party or such other address or fax number as may be designated in writing by such party and (iii) by electronic mail, to the electronic mail address most recently provided to
such party or such other electronic mail address as may be designated in writing by such party. Any notice or other communication so transmitted shall be deemed to have been given on the day of delivery, if delivered personally, on the business day
following receipt of written confirmation, if sent by facsimile or electronic transmission, one (1) business day after delivery to an overnight courier service or five (5) days after mailing if sent by mail. 

6.3. Entire Agreement. This Agreement, together with the Insider Letter and the Registration Rights Agreement, each substantially in
the form to be filed as an exhibit to the Registration Statement on Form S-1 associated with the Company’s IPO, embodies the entire agreement and understanding between the Subscriber and the Company with
respect to the subject matter hereof and supersedes all prior oral or written agreements and understandings relating to the subject matter hereof. No statement, representation, warranty, covenant or agreement of any kind not expressly set forth in
this Agreement shall affect, or be used to interpret, change or restrict, the express terms and provisions of this Agreement. 
 6.4.
Modifications and Amendments. The terms and provisions of this Agreement may be modified or amended only by written agreement executed by all parties hereto. 

6.5. Waivers and Consents. The terms and provisions of this Agreement may be waived, or consent for the departure therefrom granted,
only by a written document executed by the party entitled to the benefits of such terms or provisions. No such waiver or consent shall be deemed to be or shall constitute a waiver or consent with respect to any other terms or provisions of this
Agreement, whether or not similar. Each such waiver or consent shall be effective only in the specific instance and for the purpose for which it was given, and shall not constitute a continuing waiver or consent. 

6.6. Assignment. The rights and obligations under this Agreement may not be assigned by either party hereto without the prior written
consent of the other party. 
 6.7. Benefit. All statements, representations, warranties, covenants and agreements in this Agreement
shall be binding on the parties hereto and shall inure to the benefit of the respective successors and permitted assigns of each party hereto. Nothing in this Agreement shall be construed to create any rights or obligations except among the parties
hereto, and no person or entity shall be regarded as a third-party beneficiary of this Agreement. 

  
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 6.8. Governing Law. This Agreement and the rights and obligations of the parties
hereunder shall be construed in accordance with and governed by the laws of New York applicable to contracts wholly performed within the borders of such state, without giving effect to the conflict of law principles thereof. 

6.9. Severability. In the event that any court of competent jurisdiction shall determine that any provision, or any portion thereof,
contained in this Agreement shall be unreasonable or unenforceable in any respect, then such provision shall be deemed limited to the extent that such court deems it reasonable and enforceable, and as so limited shall remain in full force and
effect. In the event that such court shall deem any such provision, or portion thereof, wholly unenforceable, the remaining provisions of this Agreement shall nevertheless remain in full force and effect. 

6.10. No Waiver of Rights, Powers and Remedies. No failure or delay by a party hereto in exercising any right, power or remedy under
this Agreement, and no course of dealing between the parties hereto, shall operate as a waiver of any such right, power or remedy of such party. No single or partial exercise of any right, power or remedy under this Agreement by a party hereto, nor
any abandonment or discontinuance of steps to enforce any such right, power or remedy, shall preclude such party from any other or further exercise thereof or the exercise of any other right, power or remedy hereunder. The election of any remedy by
a party hereto shall not constitute a waiver of the right of such party to pursue other available remedies. No notice to or demand on a party not expressly required under this Agreement shall entitle the party receiving such notice or demand to any
other or further notice or demand in similar or other circumstances or constitute a waiver of the rights of the party giving such notice or demand to any other or further action in any circumstances without such notice or demand. 

6.11. Survival of Representations and Warranties. All representations and warranties made by the parties hereto in this Agreement or in
any other agreement, certificate or instrument provided for or contemplated hereby, shall survive the execution and delivery hereof and any investigations made by or on behalf of the parties. 

6.12. No Broker or Finder. Each of the parties hereto represents and warrants to the other that no broker, finder or other financial
consultant has acted on its behalf in connection with this Agreement or the transactions contemplated hereby in such a way as to create any liability on the other. Each of the parties hereto agrees to indemnify and save the other harmless from any
claim or demand for commission or other compensation by any broker, finder, financial consultant or similar agent claiming to have been employed by or on behalf of such party and to bear the cost of legal expenses incurred in defending against any
such claim. 
 6.13. Headings and Captions. The headings and captions of the various subdivisions of this Agreement are for
convenience of reference only and shall in no way modify or affect the meaning or construction of any of the terms or provisions hereof. 

  
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 6.14. Counterparts. This Agreement may be executed in one or more counterparts, all
of which when taken together shall be considered one and the same agreement and shall become effective when counterparts have been signed by each party and delivered to the other party, it being understood that both parties need not sign the same
counterpart. In the event that any signature is delivered by facsimile transmission or any other form of electronic delivery, such signature shall create a valid and binding obligation of the party executing (or on whose behalf such signature is
executed) with the same force and effect as if such signature page were an original thereof. 
 6.15. Construction. The parties
hereto have participated jointly in the negotiation and drafting of this Agreement. If an ambiguity or question of intent or interpretation arises, this Agreement will be construed as if drafted jointly by the parties hereto and no presumption or
burden of proof will arise favoring or disfavoring any party hereto because of the authorship of any provision of this Agreement. The words “include,” “includes,” and “including” will be deemed to
be followed by “without limitation.” Pronouns in masculine, feminine, and neuter genders will be construed to include any other gender, and words in the singular form will be construed to include the plural and vice versa, unless
the context otherwise requires. The words “this Agreement,” “herein,” “hereof,” “hereby,” “hereunder,” and words of similar import refer to this Agreement as a
whole and not to any particular subdivision unless expressly so limited. The parties hereto intend that each representation, warranty, and covenant contained herein will have independent significance. If any party hereto has breached any
representation, warranty, or covenant contained herein in any respect, the fact that there exists another representation, warranty or covenant relating to the same subject matter (regardless of the relative levels of specificity) which such party
hereto has not breached will not detract from or mitigate the fact that such party hereto is in breach of the first representation, warranty, or covenant. 

6.16. Mutual Drafting. This Agreement is the joint product of the Subscriber and the Company and each provision hereof has been subject
to the mutual consultation, negotiation and agreement of such parties and shall not be construed for or against any party hereto. 
 7.
Voting and Tender of Shares. Subscriber agrees to vote the Shares in favor of an initial business combination that the Company negotiates and submits for approval to the Company’s stockholders and shall not seek redemption with respect
to such Shares. Additionally, the Subscriber agrees not to tender any Shares in connection with a tender offer presented to the Company’s stockholders in connection with an initial business combination negotiated by the Company. 

8. Indemnification. Each party shall indemnify the other against any loss, cost or damages (including reasonable attorney’s fees
and expenses) incurred as a result of such party’s breach of any representation, warranty, covenant or agreement in this Agreement. 

[Signature Page Follows] 

  
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 If the foregoing accurately sets forth our understanding and agreement, please sign the
enclosed copy of this Agreement and return it to us. 
  

			
	 Very truly yours,
  

ROMAN DBDR TECH ACQUISITION CORP. II

		
	By:	 	/s/ Dr. Donald Basile
		 	 Name: Dr. Donald Basile
 Title:   Co-Chief Executive Officer

 Accepted and agreed as of 

the date first written above. 
  

			
	 ROMAN DBDR TECH SPONSOR II LLC 

		
	By:	 	/s/ Dr. Donald Basile
		 	 Name: Dixon R. Doll, Jr.
 Title:
  Managing Member

  
 [Signature Page to
Securities Subscription Agreement]EX-10.6

 Exhibit 10.6 

PRIVATE PLACEMENT WARRANT PURCHASE AGREEMENT 

THIS PRIVATE PLACEMENT WARRANTS PURCHASE AGREEMENT, dated as of [●], 2021 (as it may from time to time be amended, this
“Agreement”), is entered into by and between Roman DBDR Tech Acquisition Corp. II, a Delaware corporation (the “Company”), and Roman DBDR Tech Sponsor II LLC, a Delaware limited liability company (the
“Purchaser”). 
 WHEREAS: 

The Company intends to consummate an initial public offering of the Company’s units (the “Public Offering”), each unit
consisting of one share of Class A common stock of the Company, par value $0.0001 per share (each, a “Share”), and one-third of one redeemable warrant; 

Each whole warrant entitles the holder to purchase one Share at an exercise price of $11.50 per Share; and 

The Purchaser has agreed to purchase an aggregate of 7,517,560 warrants (or up to 8,267,560 warrants to the extent the underwriters’
over-allotment option is exercised) (the “Private Placement Warrants”), each Private Placement Warrant entitling the holder to purchase one Share at an exercise price of $11.50 per Share. 

NOW THEREFORE, in consideration of the mutual promises contained in this Agreement and other good and valuable consideration, the receipt and
sufficiency of which are hereby acknowledged, the parties to this Agreement hereby, intending legally to be bound, agree as follows: 

AGREEMENT 

Section 1.    Authorization, Purchase and Sale; Terms of the Private Placement Warrants. 

A.    Authorization of the Private Placement Warrants. The Company has duly authorized the issuance and sale of the
Private Placement Warrants to the Purchaser. 
 B.    Purchase and Sale of the Private Placement Warrants. 

(i)    Simultaneously with the consummation of the Public Offering or on such earlier time and date as may
be mutually agreed by the Purchaser and the Company (the “Initial Closing Date”), the Company shall issue and sell to the Purchaser, and the Purchaser shall purchase from the Company, an aggregate of 7,517,560 Private Placement
Warrants at a price of $1.00 per warrant for an aggregate purchase price of $7,517,560 (the “Purchase Price”). Purchaser shall pay the Purchase Price by wire transfer of immediately available funds to the trust account (the
“Trust Account”) maintained by Continental Stock Transfer & Trust Company, acting as trustee (“Continental”), at least one (1) business day prior to the date of effectiveness (the “Effective
Date”) of the registration statement relating 

 
to the Public Offering (the “Registration Statement”). On the Initial Closing Date, upon the payment by the Purchaser of the Purchase Price, the Company, at its option, shall
deliver a certificate evidencing the Private Placement Warrants purchased on such date duly registered in the Purchaser’s name to the Purchaser or effect such delivery in book-entry form. 

(ii)    In the event that the underwriters’ over-allotment option is exercised in full or in part, the
Purchaser shall purchase up to an additional 750,000 Private Placement Warrants (the “Additional Private Placement Warrants”), in the same proportion as the amount of the option that is so exercised, and simultaneously with such
purchase of Additional Private Placement Warrants, as payment in full for the Additional Private Placement Warrants being purchased hereunder, and at least one (1) business day prior to the closing of such portion of the underwriters’
over-allotment option, Purchaser shall pay $1.00 per Additional Private Placement Warrant, up to an aggregate amount of $750,000, by wire transfer of immediately available funds or by such other method as may be reasonably acceptable to the Company,
to the Trust Account. The closing of the purchase and sale of the Additional Private Placement Warrants, if applicable, shall take place simultaneously with the closing of all or any portion of the underwriters’ over-allotment option (such
closing date, together with the Initial Closing Date, the “Closing Dates” and each, a “Closing Date”). The closing of the purchase and sale of the Additional Private Placement Warrants, if applicable, shall take
place at the offices of Cadwalader, Wickersham & Taft LLP, counsel for the Company, or such other place as may be agreed upon by the parties hereto. 

C.    Terms of the Private Placement Warrants. 

(i)    Each Private Placement Warrant shall have the terms set forth in a Warrant Agreement to be entered
into by the Company and Continental in connection with the Public Offering (the “Warrant Agreement”). Such terms include the fact that the Private Placement Warrants shall not be transferable, assignable or salable until 30 days
after the completion of an initial business combination, subject to certain exceptions set forth in the Warrant Agreement. 

(ii)    On or prior to the Effective Date, the Company and the Purchaser shall enter into a registration
and shareholder rights agreement (the “Registration and Shareholder Rights Agreement”) pursuant to which the Company will grant certain registration rights to the Purchaser relating to the Private Placement Warrants and the Shares
underlying the Private Placement Warrants. 
 Section 2.    Representations and Warranties
of the Company. As a material inducement to the Purchaser to enter into this Agreement and purchase the Private Placement Warrants, the Company hereby represents and warrants to the Purchaser (which representations and warranties shall survive
the applicable Closing Date) that: 
 A.    Incorporation and Corporate Power. The Company is a corporation duly
incorporated, validly existing and in good standing under the laws of the State of Delaware and is qualified to do business in every jurisdiction in which the failure to so qualify would reasonably 

  
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be expected to have a material adverse effect on the financial condition, operating results or assets of the Company. The Company possesses all requisite corporate power and authority necessary
to carry out the transactions contemplated by this Agreement and the Warrant Agreement. 
 B.    Authorization; No
Breach. 
 (i)    The execution, delivery and performance of this Agreement and the Private Placement
Warrants have been duly authorized by the Company as of the applicable Closing Date. This Agreement constitutes the valid and binding obligation of the Company, enforceable in accordance with its terms. Upon issuance in accordance with, and payment
pursuant to, the terms of the Warrant Agreement and this Agreement, the Private Placement Warrants will constitute valid and binding obligations of the Company, enforceable in accordance with their terms. 

(ii)    The execution and delivery by the Company of this Agreement and the Private Placement Warrants, the
issuance and sale of the Private Placement Warrants, the issuance of the Shares upon exercise of the Private Placement Warrants and the fulfillment, of and compliance with, the respective terms hereof and thereof by the Company, do not and will not
as of the applicable Closing Date (a) conflict with or result in a breach of the terms, conditions or provisions of, (b) constitute a default under, (c) result in the creation of any lien, security interest, charge or encumbrance upon
the Company’s share capital or assets under, (d) result in a violation of, or (e) require any authorization, consent, approval, exemption or other action by or notice or declaration to, or filing with, any court or administrative or
governmental body or agency pursuant to the amended and restated certificate of incorporation of the Company (in effect on the date hereof or as may be amended prior to completion of the contemplated Public Offering), or any material law, statute,
rule or regulation to which the Company is subject, or any agreement, order, judgment or decree to which the Company is subject, except for any filings required after the date hereof under federal or state securities laws. 

C.    Title to Securities. Upon issuance in accordance with, and payment pursuant to, the terms hereof, the Warrant
Agreement, the Shares issuable upon exercise of the Private Placement Warrants will be duly and validly issued as fully paid and nonassessable. On the date of issuance of the Private Placement Warrants, the Shares issuable upon exercise of the
Private Placement Warrants shall have been reserved for issuance. Upon issuance in accordance with, and payment pursuant to, the terms hereof and the Warrant Agreement, the Purchaser will have good title to the Private Placement Warrants and the
Shares issuable upon exercise of such Private Placement Warrants, free and clear of all liens, claims and encumbrances of any kind, other than (i) transfer restrictions hereunder and under the other agreements contemplated hereby,
(ii) transfer restrictions under federal and state securities laws, and (iii) liens, claims or encumbrances imposed due to the actions of the Purchaser. 

D.    Valid Issuance. The total number of shares of all classes of capital stock which the Company has authority to
issue is 220,000,000 shares of common stock (which consist of 200,000,000 shares of the Company’s Class A Common Stock and 20,000,000 shares of the Company’s Class B common stock, par value $0.0001 per share (the
“Class B Common Stock”)) and 1,000,000 shares of the Company’s preferred stock, par value $0.0001, per share (the 

  
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“Preferred Stock”). As of the date hereof, the Company has issued and outstanding no shares of Class A Common Stock, 7,187,500 shares of Class B Common Stock (of which
up to 937,500 shares are subject to forfeiture as described in the Registration Statement) and no shares of Preferred Stock. All of the issued shares of capital stock of the Company have been duly authorized, validly issued, and are fully paid and non-assessable. 
 E.    Governmental Consents. No permit, consent, approval or
authorization of, or declaration to or filing with, any governmental authority is required in connection with the execution, delivery and performance by the Company of this Agreement or the consummation by the Company of any other transactions
contemplated hereby. 
 Section 3.    Representations and Warranties of the Purchaser.
As a material inducement to the Company to enter into this Agreement and issue and sell the Private Placement Warrants to the Purchaser, the Purchaser hereby represents and warrants to the Company (which representations and warranties shall
survive the applicable Closing Date) that: 
 A.    Organization and Requisite Authority. The Purchaser possesses
all requisite power and authority necessary to carry out the transactions contemplated by this Agreement. 

B.    Authorization; No Breach. 

(i)    This Agreement constitutes a valid and binding obligation of the Purchaser, enforceable in
accordance with its terms, subject to bankruptcy, insolvency, fraudulent conveyance, reorganization, moratorium and other laws of general applicability relating to or affecting creditors’ rights and to general equitable principles (whether
considered in a proceeding in equity or law). 
 (ii)    The execution and delivery by the Purchaser of
this Agreement and the fulfillment of and compliance with the terms hereof by the Purchaser does not and shall not as of the applicable Closing Date conflict with or result in a breach by the Purchaser of the terms, conditions or provisions of any
agreement, instrument, order, judgment or decree to which the Purchaser is subject. 
 C.    Investment
Representations. 
 (i)    The Purchaser is acquiring the Private Placement Warrants and, upon
exercise of the Private Placement Warrants, the Shares issuable upon such exercise (collectively, the “Securities”), for the Purchaser’s own account, for investment purposes only and not with a view towards, or for resale in
connection with, any public sale or distribution thereof. 
 (ii)    The Purchaser is an “accredited
investor” as such term is defined in Rule 501(a)(3) of Regulation D under the Securities Act of 1933, as amended (the “Securities Act”). 

(iii)    The Purchaser understands that the Securities are being offered and will be sold to it in reliance
on specific exemptions from the registration requirements of the 

  
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United States federal and state securities laws and that the Company is relying upon the truth and accuracy of, and the Purchaser’s compliance with, the representations and warranties of the
Purchaser set forth herein in order to determine the availability of such exemptions and the eligibility of the Purchaser to acquire such Securities. 

(iv)    The Purchaser did not enter into this Agreement as a result of any general solicitation or general
advertising within the meaning of Rule 502(c) under the Securities Act. 
 (v)    The Purchaser has been
furnished with all materials relating to the business, finances and operations of the Company and materials relating to the offer and sale of the Securities which have been requested by the Purchaser. The Purchaser has been afforded the opportunity
to ask questions of the executive officers and directors of the Company. The Purchaser understands that its investment in the Securities involves a high degree of risk and it has sought such accounting, legal and tax advice as it has considered
necessary to make an informed investment decision with respect to the acquisition of the Securities. 

(vi)    The Purchaser understands that no United States federal or state agency or any other government or
governmental agency has passed on or made any recommendation or endorsement of the Securities or the fairness or suitability of the investment in the Securities by the Purchaser nor have such authorities passed upon or endorsed the merits of the
offering of the Securities. 
 (vii)    The Purchaser understands that: (a) the Securities have not
been and are not being registered under the Securities Act or any state securities laws, and may not be offered for sale, sold, assigned or transferred unless (1) subsequently registered thereunder or (2) sold in reliance on an exemption
therefrom; and (b) except as specifically set forth in the Registration Rights Agreement, neither the Company nor any other person is under any obligation to register the Securities under the Securities Act or any state securities laws or to
comply with the terms and conditions of any exemption thereunder. The Private Placement Warrants will bear a legend and appropriate “stop transfer” instructions (or an appropriate notation if the warrants are issued in book entry form)
relating to the foregoing. The Purchaser further understands that the Securities and Exchange Commission (the “SEC”) has taken the position that promoters or affiliates of a blank check company and their transferees, both before and
after an initial business combination, are deemed to be “underwriters” under the Securities Act when reselling the securities of a blank check company. Based on that position, Rule 144 adopted pursuant to the Securities Act would not be
available for resale transactions of the Securities until the one-year anniversary following consummation of an initial business combination despite technical compliance with the requirements of such Rule.

 (viii)    The Purchaser has such knowledge and experience in financial and business matters, knows of
the high degree of risk associated with investments in the securities of companies in the development stage such as the Company, is capable of evaluating the merits and risks of an investment in the Securities and is able to bear the economic risk
of an investment in the Securities in the amount contemplated hereunder for an indefinite period of time. The Purchaser has adequate means of providing for its current financial 

  
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needs and contingencies and will have no current or anticipated future needs for liquidity which would be jeopardized by the investment in the Securities. The Purchaser can afford a complete loss
of its investment in the Securities. 
 Section 4.    Conditions of the Purchaser’s
Obligations. The obligations of the Purchaser to purchase and pay for the Private Placement Warrants are subject to the fulfillment, on or before the applicable Closing Date, of each of the following conditions: 

A.    Representations and Warranties. The representations and warranties of the Company contained in Section 2
shall be true and correct at and as of the applicable Closing Date as though then made. 
 B.    Performance. The
Company shall have performed and complied with all agreements, obligations and conditions contained in this Agreement that are required to be performed or complied with by it on or before the applicable Closing Date. 

C.    No Injunction. No litigation, statute, rule, regulation, executive order, decree, ruling or injunction shall
have been enacted, entered, promulgated or endorsed by or in any court or governmental authority of competent jurisdiction or any self-regulatory organization having authority over the matters contemplated hereby, which prohibits the consummation of
any of the transactions contemplated by this Agreement or the Warrant Agreement. 
 D.    Warrant Agreement. The
Company shall have entered into the Warrant Agreement. 
 Section 5.    Conditions of the
Company’s Obligations. The obligations of the Company to the Purchaser under this Agreement are subject to the fulfillment, on or before the applicable Closing Date, of each of the following conditions: 

A.    Representations and Warranties. The representations and warranties of the Purchaser contained in
Section 3 shall be true and correct at and as of the applicable Closing Date as though then made. 

B.    Performance. The Purchaser shall have performed and complied with all agreements, obligations and conditions
contained in this Agreement that are required to be performed or complied with by the Purchaser on or before the applicable Closing Date. 

C.    No Injunction. No litigation, statute, rule, regulation, executive order, decree, ruling or injunction shall
have been enacted, entered, promulgated or endorsed by or in any court or governmental authority of competent jurisdiction or any self-regulatory organization having authority over the matters contemplated hereby, which prohibits the consummation of
any of the transactions contemplated by this Agreement or the Warrant Agreement. 
 D.    Warrant Agreement. The
Company shall have entered into the Warrant Agreement. 

  
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 Section 6.    Termination. This
Agreement may be terminated at any time after September 31, 2021 upon the election by either the Company or the Purchaser solely as to itself upon written notice to the other party if the initial closing of the Public Offering does not occur
prior to such date. 
 Section 7.    Survival of Representations and Warranties. All of
the representations and warranties contained herein shall survive the applicable Closing Date. 

Section 8.    Definitions. Terms used but not otherwise defined in this Agreement shall
have the meaning assigned to such terms in the Registration Statement. 
 Section 9.    Miscellaneous. 

A.    Successors and Assigns. Except as otherwise expressly provided herein, all covenants and agreements contained
in this Agreement by or on behalf of any of the parties hereto shall bind and inure to the benefit of the respective successors of the parties hereto whether so expressed or not. Notwithstanding the foregoing or anything to the contrary herein, the
parties may not assign this Agreement without the prior written consent of the other party hereto, other than assignments by the Purchaser to affiliates thereof. 

B.    Severability. Whenever possible, each provision of this Agreement shall be interpreted in such manner as to
be effective and valid under applicable law, but if any provision of this Agreement is held to be prohibited by or invalid under applicable law, such provision shall be ineffective only to the extent of such prohibition or invalidity, without
invalidating the remainder of this Agreement. 
 C.    Counterparts. This Agreement may be executed
simultaneously in two or more counterparts, none of which need contain the signatures of more than one party, but all such counterparts taken together shall constitute one and the same agreement. 

D.    Descriptive Headings; Interpretation. The descriptive headings of this Agreement are inserted for convenience
only and do not constitute a substantive part of this Agreement. The use of the word “including” in this Agreement shall be by way of example rather than by limitation. 

E.    Governing Law. This Agreement shall be deemed to be a contract made under the laws of the State of New York
and for all purposes shall be construed in accordance with the internal laws of the State of New York, without regard to the conflicts of laws principles thereof. 

F.    Amendments. This Agreement may not be amended, modified or waived as to any particular provision, except by a
written instrument executed by all parties hereto. 
 [Signature page follows] 

  
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 IN WITNESS WHEREOF, the parties hereto have executed this Agreement to be effective
as of the date first set forth above. 
  

			
	 COMPANY:

	
	 ROMAN DBDR TECH ACQUISITION CORP. II

		
	 By:
	 	  

		 	Name: Dr. Donald G. Basile
		 	Title: Chairman and Co-Chief Executive Officer
	
	 PURCHASER:

	
	 ROMAN DBDR TECH SPONSOR II LLC

		
	 By:
	 	  

		 	Name: Dixon Doll, Jr.
		 	Title: Managing Member

 [Signature page to Private Placement Warrants Purchase Agreement]

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