Document:

EX-10.34

 Exhibit 10.34 

AMENDMENT NUMBER ONE TO AMENDED AND RESTATED CREDIT AGREEMENT 

THIS AMENDMENT NUMBER ONE TO AMENDED AND RESTATED CREDIT AGREEMENT (this “Amendment”), dated as of June 24, 2014,
is entered into by and among LANTHEUS MI INTERMEDIATE, INC., a Delaware corporation (the “Parent”), LANTHEUS MEDICAL IMAGING, INC., a Delaware corporation (the “Borrower”), the lenders identified on
the signature pages hereof (such lenders, and the other lenders party to the below-defined Credit Agreement, together with their respective successors and permitted assigns, each individually, a “Lender”, and collectively, the
“Lenders”), each subsidiary of the Parent listed as a “Guarantor” on the signature pages hereto (together with the Parent, each a “Guarantor” and individually and collectively, jointly and severally, the
“Guarantors”; Borrower and Guarantors, each a “Loan Party” and individually and collectively, jointly and severally, the “Loan Parties”), and WELLS FARGO BANK, NATIONAL ASSOCIATION, a
national banking association, in its capacity as collateral agent for the Lenders (in such capacity, together with its successors and assigns in such capacity, if any, the “Collateral Agent”) and as administrative agent for the
Lenders (in such capacity, together with its successors and assigns in such capacity, if any, the “Administrative Agent”), and in light of the following: 

W I T N E S S E T H 

WHEREAS, Loan Parties, Lenders, Agents, and the other parties signatory thereto are parties to that certain Amended and Restated Credit
Agreement, dated as of July 3, 2013 (as amended, restated, supplemented, or otherwise modified from time to time, the “Credit Agreement”); 

WHEREAS, Loan Parties have requested that Agents and Lenders make certain amendments to the Credit Agreement; 

WHEREAS, upon the terms and conditions set forth herein, Agents and Lenders are willing to make certain amendments to the Credit
Agreement. 
 NOW, THEREFORE, in consideration of the foregoing and the mutual covenants herein contained, and for other good and
valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the parties hereby agree as follows: 

1.    Defined Terms. All initially capitalized terms used herein (including the preamble and recitals hereof)
without definition shall have the meanings ascribed thereto in the Credit Agreement. 
 2.    Amendments to Credit
Agreement. Subject to the satisfaction (or waiver in writing by Agent) of the conditions precedent set forth in Section 3 hereof, the Credit Agreement shall be amended as follows: 

(a)    Section 1.01 of the Credit Agreement is hereby amended by amending and restating or adding (as the case
may be) each of the following defined terms in their entirety: 
 “Applicable Margin” means, for any day, (a) with
respect to any Reference Rate Loan, 1.00%, and (b) with respect to any LIBOR Rate Loan, 2.00%. 
 “Change of Control”
means each occurrence of any of the following: 
 (a)    prior to a Qualifying IPO, the Sponsor shall cease to
beneficially and of record own and control, directly or indirectly, at least 51% on a fully diluted basis of the aggregate ordinary voting power of the Capital Stock of the Parent; 

  
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 (b) on or after a Qualifying IPO, any “person” or “group” (as such terms are
used in Sections 13(d) and 14(d) of the Exchange Act, but excluding any employee benefit plan of such person and its subsidiaries and any person acting in its capacity as trustee, agent or other fiduciary or administrator of any such plan), shall
have acquired beneficial ownership, directly or indirectly, of the Capital Stock of Parent representing the greater of (i) 35% or more on a fully diluted basis of the aggregate ordinary voting power of the Capital Stock of the Parent, and
(ii) a percentage equal to or greater than the percentage owned and controlled by Sponsor on such date on a fully diluted basis of the aggregate ordinary voting power of the Capital Stock of the Parent; 

(c) the Parent shall cease to beneficially and of record own and control 100% on a fully diluted basis of the economic and voting interests
in the Capital Stock of the Borrower; 
 (d) the Parent shall cease to have beneficial ownership (as defined in Rule 13d-3 under the
Exchange Act) of 100% of the aggregate voting power of the Capital Stock of each other Loan Party, free and clear of all Liens (other than any Liens granted hereunder and Permitted Liens), except for any shares of Capital Stock of a Foreign
Subsidiary issued to directors to qualify such directors if so required by applicable law and as otherwise expressly permitted herein; or 

(e) the occurrence of any “Change of Control” as defined under the Senior Note Documents. 

“Commitment Fee Rate” means 0.375% per annum. 

“Excluded Contribution” has the meaning specified therefor in the Senior Note Indenture. 

“Inventory Threshold” means, as of any date of determination, the greater of (a) $20,000,000, and (b) the lesser
of (i) $22,500,000, and (ii) the sum of (y) $20,000,000, plus (z) the aggregate amount of M&E Depreciation Amounts that have resulted in a reduction to the amount set forth in clause (a) of the definition of M&E
Component since the Effective Date. 
 “Public Company Costs” means (a) costs, expenses and disbursements associated
with, related to or incurred in anticipation of, or preparation for compliance with (x) the requirements of the Sarbanes-Oxley Act of 2002 and the rules and regulations promulgated in connection therewith, (y) the provisions of the
Securities Act and the Exchange Act, as applicable to companies with equity or debt securities held by the public, and (z) the rules of national securities exchange companies with listed equity or debt securities, (b) costs and expenses
associated with investor relations, shareholder meetings and reports to shareholders or debtholders and listing fees, and (c) directors’ and officers’ compensation, fees, indemnification, expense reimbursement (including legal and
other professional fees, expenses and disbursements), and insurance. 
 (b)    The definition of “Consolidated
EBITDA” in Section 1.01 of the Credit Agreement is hereby amended by (i) adding the parenthetical “(including, without limitation, any such fees and expenses payable pursuant to the early termination of the Management
Services Agreement)” at the end of subclause (a)(i)(H) thereof before the comma (“,”), and (ii) deleting the “and” at the end of clause (a)(i)(L) thereof and adding the following new clause (a)(i)(N) immediately after
clause (a)(i)(M) thereof: 
 and (N) Public Company Costs, 

  
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 (c)    Sections 3.01(a)(i) and 3.01(a)(ii) of the Credit
Agreement are hereby amended and restated in their entirety as follows: 
 (i) shall specify (A) the amount of such Letter of Credit,
(B) the date of issuance, amendment, renewal, or extension of such Letter of Credit, (C) the proposed expiration date of such Letter of Credit, (D) the name and address of the beneficiary of the Letter of Credit, and (E) such
other information (including, the conditions to drawing, and, in the case of an amendment, renewal, or extension, identification of the Letter of Credit to be so amended, renewed, or extended) as shall be necessary to prepare, amend, renew, or
extend such Letter of Credit, (ii) if any Senior Notes are outstanding, shall be accompanied by a certification with respect to such Letter of Credit that is in the form of the certification contained in the second to last paragraph of Exhibit
D (but replacing each reference to “Proposed Revolving Loan” with “proposed Letter of Credit”), and (iii) shall be accompanied by such Issuer Documents as the L/C Issuer may request or require, to the extent that such
requests or requirements are consistent with the Issuer Documents that L/C Issuer generally requests for Letters of Credit in similar circumstances. L/C Issuer’s records of the content of any such request will be conclusive absent manifest
error. 
 (d)    Section 5.02 of the Credit Agreement is hereby amended by adding the following new clause
(d): 
 (d)    Senior Notes Documents. 

(i)    If any Senior Notes are outstanding, the making of such Revolving Loan or the issuance of such Letter of Credit to
Borrower shall not result in Borrower or any Guarantor being in breach of, or out of compliance with, Section 10.10 or Section 10.11 of the Senior Note Indenture. 

(ii)    If any Senior Notes are outstanding, if the making of such Revolving Loan or the issuance of such Letter of
Credit would cause the aggregate outstanding amount of the Revolving Loans and the outstanding Letter of Credit Obligations to exceed $42,500,000, (A) such excess amount of Indebtedness is permitted under a provision of Section 10.10 of
the Senior Note Indenture other than Section 10.10(1), (B) the Lien securing such excess amount of Indebtedness constitutes a “Permitted Lien” under, and as defined in, the Senior Note Indenture other than a “Permitted
Lien” under clause (19) of the definition of “Permitted Liens” set forth in the Senior Note Indenture, and (C) after giving effect to the incurrence of such excess amount of Indebtedness, Borrower would be able to incur an
additional $3,000,000 of secured Indebtedness under the Loan Documents under a provision of Section 10.10 of the Senior Note Indenture other than Section 10.10(1) and under a clause of the definition of “Permitted Liens” set
forth in the Senior Note other than clause (19) of the definition of “Permitted Liens” set forth in the Senior Note Indenture. 

(e)    Section 7.02(b) of the Credit Agreement is hereby amended by adding the following sentence at the end
thereof: 
 Permit any Indebtedness of Parent or its Subsidiaries to utilize the basket set forth in Section 10.10(1) of the Senior
Note Indenture other than Revolving Loans and Letter of Credit Obligations. 
 (f)    Section 7.02(c) of the
Credit Agreement is hereby amended by (i) deleting the phrase “the Borrower is the surviving Person in the case of any merger or consolidation involving the Borrower, and” from clause (i)(E) thereof, (ii) deleting the period at
the end of clause (ii)(L) thereof and replacing it with “; and”, and (iii) adding the following new clause (iii) at the end thereof: 

  
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 (iii)    Parent may merge with and into Ultimate Parent, so long as
(A) Parent gives the Agents at least 3 Business Days’ prior written notice of such merger, (B) no Default or Event of Default shall have occurred and be continuing either before or after giving effect to such transaction, (C) the
Agents’ and Lender’s rights in any Collateral (including the Capital Stock of Borrower), including, without limitation, the existence, perfection, and priority of any Lien thereon, are not adversely affected by such merger, (E) if
Ultimate Parent is the surviving Person of such merger, Ultimate Parent is joined as a Loan Party hereunder and becomes a party to a Guaranty and a Security Agreement (pursuant to which the Capital Stock of Borrower and any other Subsidiary of
Ultimate Parent is pledged to Collateral Agent), in each case, which is in full force and effect on the date of and immediately after giving effect to such merger, and (F) if Ultimate Parent is the surviving Person of such merger, after the
consummation of such merger, each reference in the Credit Agreement and the other Loan Documents to “Parent” shall be deemed to be a reference to “Ultimate Parent”. 

(g)    Section 7.02(h) of the Credit Agreement is hereby amended by (i) amending and restating clause
(A)(4) thereof as follows: (4) to pay Public Company Costs or any other amounts required for the Parent, the Ultimate Parent, or any direct or indirect parent thereof that is a holding company solely in respect of the Loan Parties to pay
reasonable fees and expenses, other than to Affiliates of the Borrower, directly related to any equity or debt offering of such Person where such transaction would not be prohibited by the terms hereof (whether or not such transaction is
successful), (ii) adding the following parenthetical to clause (H) thereof immediately prior to the semi-colon contained therein: (including any fees and actual out-of-pocket indemnities, reimbursements and reasonable expenses payable
under the Management Services Agreement (as in effect on the date hereof) as a result of the early termination thereof), (iii) deleting the “and” at the end of clause (I) thereof, (iv) deleting the period at the end of
clause (J) thereof and replacing it with “,”, and (v) adding the following new clause (K) immediately after clause (J) thereof: 

(K)    the declaration and payment of dividends on Parent’s common Capital Stock (or the payment of dividends to any
direct or indirect parent company of Parent to fund a payment of dividends on such company’s common Capital Stock), following consummation of the first Qualifying IPO of Parent’s common Capital Stock or the common Capital Stock of any
direct or indirect parent company of Parent after the Effective Date, of up to 6.00% per annum of the net cash proceeds received by or contributed to Parent in or from any such Qualifying IPO, other than any public sale constituting an Excluded
Contribution; provided that (x) no Event of Default exists at the time any such dividend is made, and (y) immediately after giving effect to each such dividend on a pro forma basis, Excess Availability is not less than $25,000,000.

 (h)    Section 7.02(j) of the Credit Agreement is hereby amended by (i) deleting the “and”
at the end of clause (iv) thereof, (ii) deleting the period at the end of clause (v) thereof and replacing it with “, and”, and (iii) adding the following new clause (vi) immediately after clause (v) thereof:

 (vi) the Borrower may pay any Public Company Costs directly on behalf of Parent or any direct or indirect parent thereof. 

(i)    Section 7.02(l)(v) of the Credit Agreement is hereby amended by amending and restating such clause in
its entirety as follows: 
 (v)    make any voluntary or optional payment, prepayment, redemption, defeasance, sinking
fund payment or other acquisition for value of any of its or its Subsidiaries’ Subject Indebtedness (including, without limitation, by way of depositing money or securities with the trustee therefor before the date required for the purpose of
paying any portion of such Subordinated Indebtedness 

  
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when due), except (A) where (x) no Event of Default exists at the time thereof, and (y) Excess Availability is not less than $25,000,000 after giving effect thereto, or (B) so
long as no Event of Default has occurred and is continuing or would result therefrom, on or within 1 year after the date of consummation of any Qualifying IPO, Borrower may redeem or repurchase Senior Notes with the net cash proceeds of such
Qualifying IPO; provided that no more than 35% of the aggregate original principal amount of Senior Notes may be redeemed or repurchased in connection with all of such redemptions or repurchases; or 

(j)    Section 7.02(o) of the Credit Agreement is hereby amended by adding the following text before the
period (“.”) at the end thereof: 
 , it being agreed that the early termination of the Management Services Agreement is not
prohibited under the terms of this Agreement 
 (k)    Section 7.02(p)(iii) of the Credit Agreement is
hereby amended by (i) deleting the “and” at the end of clause (D) thereof; and (ii) adding the following new clause (F) immediately after subclause (E) thereof before the semicolon (“;”): 

and (F) engaging in activities typical for a holding company subject to Section 13 or 15(d) of the Exchange Act and other
activities incidental thereto 
 (l)    Section 7.02(p)(iv) of the Credit Agreement is hereby amended by
adding “except to the extent expressly permitted pursuant to Section 7.02(c)(iii)” before the comma at the end thereof. 

(m)    Exhibit D to the Credit Agreement is hereby amended by (i) deleting such Exhibit in its
entirety, and (ii) inserting the Exhibit D hereto in lieu thereof. 
 (n)    Exhibit F to the Credit
Agreement is hereby amended by (i) deleting such Exhibit in its entirety, and (ii) inserting the Exhibit F hereto in lieu thereof. 

(o)    Schedule 1.01(A) to the Credit Agreement is hereby amended by (i) deleting such Schedule in its
entirety, and (ii) inserting the Schedule 1.01(A) attached hereto in lieu thereof. 

3.    Conditions Precedent to Amendment. The satisfaction (or waiver in writing by Agents) of each of the following
shall constitute conditions precedent to the effectiveness of the Amendment (such date being the “Amendment Effective Date”): 

(a)    Agents shall have received this Amendment, duly executed by the parties hereto, and the same shall be in full force
and effect. 
 (b)    The Administrative Agent (or its counsel) shall have received an executed legal opinion, in
customary form, of Weil, Gotshal & Manges LLP. 
 (c)    The Administrative Agent (or its counsel) shall have
received a certificate of each Loan Party, dated as of the Amendment Effective Date, in form and substance reasonably satisfactory to Administrative Agent, executed by the President or any Vice President and the Secretary or any Assistant Secretary
of such Loan Party, attaching the documents referred to in Section 3(d)(i), (ii) and (iv) below (or, with respect to clause (ii) of such Section 3(d), certifying that there have been no
modifications to the Governing Documents of such Loan Party since the Effective Date), and in the case of the Borrower certifying as to the matters in Sections 3(f), 3(g) and 3(h) below. 

  
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 (d)    The Administrative Agent shall have received (i) a copy of the
resolutions of the board of directors or other managers of each Loan Party (or a duly authorized committee thereof) authorizing (A) the execution, delivery, and performance of this Amendment and (B) the extensions of credit contemplated
under the Credit Agreement as amended hereby, (ii) the Governing Documents, (iii) long-form good standing certificates, certificates of status, certificates of good standing, or other comparable certificates of each Loan Party, and
(iv) signature and incumbency certificates (or other comparable documents evidencing the same) of the Authorized Officers of each Loan Party executing this Amendment. 

(e)    After giving effect to this Amendment, the representations and warranties contained herein shall be true and
correct in all material respects (except that such materiality qualifier shall not be applicable to any representations and warranties that already are qualified or modified as to “materiality” or “Material Adverse Effect” in the
text thereof, which representations and warranties shall be true and correct in all respects subject to such qualification) on and as of the date hereof, as though made on and as of such date (except to the extent that any such representation or
warranty expressly relates solely to an earlier date, in which case such representation or warranty shall be true and correct in all material respects (except that such materiality qualifier shall not be applicable to any representations or
warranties that already are qualified or modified as to “materiality” or “Material Adverse Effect” in the text thereof, which representations and warranties shall be true and correct in all respects subject to such qualification)
on and as of such earlier date). 
 (f)    No injunction, writ, restraining order, or other order of any nature
prohibiting, directly or indirectly, the consummation of the transactions contemplated herein shall have been issued and remain in force by any Governmental Authority against any Loan Party, any Agent, any Lender, or any Secured Party. 

(g)    No Default or Event of Default shall have occurred and be continuing as of the Amendment Effective Date, nor shall
either result from the consummation of the transactions contemplated herein. 
 (h)    Borrower shall pay concurrently
with the closing of the transactions evidenced by this Amendment, all costs and expenses then payable pursuant to the Credit Agreement and Section 5 of this Amendment. 

(i)    Administrative Agent shall have received, in immediately available funds, the Amendment Fee referred to in
Section 6 hereof. 
 4.    Representations and Warranties. Each Loan Party hereby represents and
warrants to each Agent and each Lender as follows: 
 (a)    It (i) is a corporation, limited liability company or
limited partnership duly organized, validly existing and in good standing under the laws of the state or jurisdiction of its organization, (ii) is duly qualified to do business and is in good standing in each jurisdiction in which the character
of the properties owned or leased by it or in which the transaction of its business makes such qualification necessary, except, in the case of this clause (ii), where the failure to be so qualified and in good standing, either individually or in the
aggregate, could not reasonably be expected to have a Material Adverse Effect, and (iii) has all requisite power and authority to conduct its business as now conducted and as presently contemplated and, in the case of the Borrower, to make the
borrowings hereunder, to execute and deliver this Amendment and the other Loan Documents to which it is a party and to consummate the transactions contemplated hereby and thereby. 

  
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 (b)    The execution, delivery, and performance by it of this Amendment and
the performance by it of each Loan Document to which it is or will be a party (i) have been duly authorized by all necessary action, (ii) do not and will not contravene (A) any of its Governing Documents, (B) any applicable Law,
or (C) any Contractual Obligation binding on or otherwise affecting it or any of its properties, (iii) do not and will not result in or require the creation of any Lien (other than pursuant to any Loan Document) upon or with respect
to any of its properties, and (iv) do not and will not result in any default, noncompliance, suspension, revocation, impairment, forfeiture or nonrenewal of any permit, license, authorization or approval applicable to its operations or any of
its properties, except in the case of clauses (ii)(B), (ii)(C) and (iv) to the extent such could not reasonably be expected, either individually or in the aggregate, to have a Material Adverse Effect. 

(c)    No authorization or approval or other action by, and no notice to or filing with, any Governmental Authority is
required in connection with the due execution, delivery and performance by any Loan Party of this Amendment or any other Loan Document to which it is or will be a party except for (i) consents, authorizations, notices and filings which have
been obtained or made and are in full force and effect, (ii) filings to perfect the Liens created by the Loan Documents, and (iii) consents, authorizations, filings, notices or other acts the failure to make or obtain could not reasonably
be expected, either individually or in the aggregate, to be adverse in any material respect to the rights or interests of the Agents, the Lenders or the L/C Issuer. 

(d)    This Amendment is, and each other Loan Document to which it is or will be a party, when executed and delivered by
each Person that is a party thereto, will be the legal, valid and binding obligation of such Person, enforceable against such Person in accordance with its terms, except as may be limited by applicable bankruptcy, insolvency, reorganization,
moratorium or other similar laws or principles of equity. 
 (e)    No injunction, writ, restraining order, or other
order of any nature prohibiting, directly or indirectly, the consummation of the transactions contemplated herein has been issued and remains in force by any Governmental Authority against any Loan Party, any Agent, any Lender, or any Secured Party.

 (f)    No Default or Event of Default has occurred and is continuing as of the date of the effectiveness of this
Amendment, and no condition exists which constitutes a Default or an Event of Default. 
 (g)    The representations and
warranties set forth in the Credit Agreement, as amended by this Amendment and after giving effect to this Amendment, and the other Loan Documents to which it is a party are true and correct in all material respects (except that such materiality
qualifier shall not be applicable to any representations and warranties that already are qualified or modified as to “materiality” or “Material Adverse Effect” in the text thereof, which representations and warranties shall be
true and correct in all respects subject to such qualification) on and as of the date hereof, as though made on and as of such date (except to the extent that any such representation or warranty expressly relates solely to an earlier date, in which
case such representation or warranty shall be true and correct in all material respects (except that such materiality qualifier shall not be applicable to any representations or warranties that already are qualified or modified as to
“materiality” or “Material Adverse Effect” in the text thereof, which representations and warranties shall be true and correct in all respects subject to such qualification) on and as of such earlier date). 

5.    Payment of Costs and Fees. Borrower shall pay to each Agent and each Lender all costs and expenses in
connection with the preparation, negotiation, execution and delivery of this Amendment and any documents and instruments relating hereto in accordance with Section 12.04 of the Credit Agreement. 

  
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 6.    Amendment Fee. On or before the date hereof, Borrower shall pay
to Administrative Agent, for the ratable benefit of the Lenders party hereto, an amendment fee in the amount of $75,000 (“Amendment Fee”) in immediately available funds. Such Amendment Fee shall be fully earned and non-refundable on
the date hereof. 
 7.    Mortgage Amendment. Borrower covenants and agrees that on or before the date that is 5
Business Days after the date hereof (or such later date as the Administrative Agent may agree in its sole discretion), the Administrative Agent shall have received an amendment to the Mortgage, duly executed by Lantheus MI Real Estate, LLC
(“Real Estate”), and the same shall be in form and substance reasonably satisfactory to the Agents. Borrower further agrees that its or Real Estate’s failure to timely comply with the foregoing shall constitute an immediate
Event of Default. 
 8.    GOVERNING LAW; CONSENT TO JURISDICTION; SERVICE OF PROCESS AND VENUE; JUDICIAL
REFERENCE; WAIVER OF JURY TRIAL, ETC. THIS AMENDMENT SHALL BE SUBJECT TO THE PROVISIONS REGARDING GOVERNING LAW, CONSENT TO JURISDICTION, SERVICE OF PROCESS AND VENUE, JUDICIAL REFERENCE, AND WAIVER OF JURY TRIAL, ETC. SET FORTH IN SECTIONS
12.09, 12.10, AND 12.11 OF THE CREDIT AGREEMENT, AND SUCH PROVISIONS ARE INCORPORATED HEREIN BY THIS REFERENCE, MUTATIS MUTANDIS. 

9.    Amendments. This Amendment cannot be altered, amended, changed or modified in any respect except in
accordance with Section 12.02 of the Credit Agreement. 
 10.    Counterpart Execution. This
Amendment may be executed in any number of counterparts and by different parties on separate counterparts, each of which, when executed and delivered, shall be deemed to be an original, and all of which, when taken together, shall constitute but one
and the same Amendment. Delivery of an executed counterpart of this Amendment by telefacsimile or other electronic method of transmission shall be equally as effective as delivery of an original executed counterpart of this Amendment. Any party
delivering an executed counterpart of this Amendment by telefacsimile or other electronic method of transmission also shall deliver an original executed counterpart of this Amendment, but the failure to deliver an original executed counterpart shall
not affect the validity, enforceability, and binding effect of this Amendment. 
 11.    Effect on Loan
Documents. 
 (a)    The Credit Agreement, as amended hereby, and each of the other Loan Documents shall be and
remain in full force and effect in accordance with their respective terms and hereby are ratified and confirmed in all respects. The execution, delivery, and performance of this Amendment shall not operate, except as expressly set forth herein, as a
modification or waiver of any right, power, or remedy of any Agent, any Lender, or any Secured Party under the Credit Agreement or any other Loan Document. Except for the amendments to the Credit Agreement expressly set forth herein, the Credit
Agreement and the other Loan Documents shall remain unchanged and in full force and effect. The amendments set forth herein are limited to the specifics hereof (including facts or occurrences on which the same are based), shall not apply with
respect to any facts or occurrences other than those on which the same are based, shall neither excuse any future non-compliance with the Loan Documents nor operate as a waiver of any Default or Event of Default, shall not operate as a consent to
any further waiver, consent or amendment or other matter under the Loan Documents, and shall not be construed as an indication that any future waiver or amendment of covenants or any other provision of the Credit

  
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Agreement will be agreed to, it being understood that the granting or denying of any waiver or amendment which may hereafter be requested by any Loan Party remains in the sole and absolute
discretion of Agent and Lenders. To the extent that any terms or provisions of this Amendment conflict with those of the Credit Agreement or the other Loan Documents, the terms and provisions of this Amendment shall control. 

(b)    Upon and after the effectiveness of this Amendment, each reference in the Credit Agreement to “this
Agreement”, “hereunder”, “herein”, “hereof” or words of like import referring to the Credit Agreement, and each reference in the other Loan Documents to “the Credit Agreement”, “thereunder”,
“therein”, “thereof” or words of like import referring to the Credit Agreement, shall mean and be a reference to the Credit Agreement as modified and amended hereby. 

(c)    To the extent that any of the terms and conditions in any of the Loan Documents shall contradict or be in conflict
with any of the terms or conditions of the Credit Agreement, after giving effect to this Amendment, such terms and conditions are hereby deemed modified or amended accordingly to reflect the terms and conditions of the Credit Agreement as modified
or amended hereby. 
 (d)    This Amendment is a Loan Document. 

(e)    This Amendment shall be subject to the rules of construction set forth in Section 1.02 of the Credit
Agreement, and such provisions are incorporated herein by this reference, mutatis mutandis. 
 12.    Entire
Agreement. This Amendment, and the terms and provisions hereof, the Credit Agreement and the other Loan Documents constitute the entire understanding and agreement between the parties hereto with respect to the subject matter hereof and
supersede any and all prior or contemporaneous amendments or understandings with respect to the subject matter hereof, whether express or implied, oral or written. 

13.    Integration. This Amendment, together with the other Loan Documents, incorporates all negotiations of the
parties hereto with respect to the subject matter hereof and is the final expression and agreement of the parties hereto with respect to the subject matter hereof. 

14.    Reaffirmation of Obligations. Each Loan Party hereby (a) acknowledges and reaffirms its obligations
owing to each Agent, each Lender, and each other Secured Party under each Loan Document to which it is a party, and (b) agrees that each of the Loan Documents to which it is a party is and shall remain in full force and effect. Each Loan Party
hereby (i) further ratifies and reaffirms the validity and enforceability of all of the Liens and security interests heretofore granted, pursuant to and in connection with the Security Agreement or any other Loan Document to Collateral Agent,
on behalf and for the benefit of each Secured Party, as collateral security for its obligations under the Loan Documents in accordance with their respective terms, and (ii) acknowledges that all of such Liens and security interests, and all
Collateral heretofore pledged as security for such obligations, continue to be and remain collateral for such obligations from and after the date hereof (including, without limitation, from after giving effect to this Amendment). Each Guarantor
hereby reaffirms, acknowledges, agrees and confirms that it has granted a perfected security interest in the Collateral pursuant to and in connection with the Security Agreement to Collateral Agent in order to secure all of its present and future
Guaranteed Obligations. 
 15.    Ratification. Each Loan Party hereby restates, ratifies and reaffirms each and
every term and condition set forth in the Credit Agreement and the Loan Documents effective as of the date hereof and as modified hereby. All Obligations (including the Guaranteed Obligations, as applicable) owing by each Loan Party are
unconditionally owing by such Loan Party to Agents and the Lenders, without offset, defense, withholding, counterclaim, or deduction of any kind, nature, or description whatsoever. 

  
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 16.    Severability. In case any provision in this Amendment shall be
invalid, illegal or unenforceable, such provision shall be severable from the remainder of this Amendment and the validity, legality and enforceability of the remaining provisions shall not in any way be affected or impaired thereby. 

17.    Guarantors. Although the undersigned Guarantors have been informed of the matters set forth herein and have
acknowledged and agreed to same, the undersigned understands that neither Agent nor any Lender has any obligations to inform it of amendments or waivers in the future or to seek their acknowledgment or agreement to future amendments and waivers, and
nothing herein shall create such a duty. 
 [Signature pages follow] 

  
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 IN WITNESS WHEREOF, the parties have entered into this Amendment as of the date first above
written. 
  

			
	BORROWER:
	
	LANTHEUS MEDICAL IMAGING, INC., a Delaware corporation
		
	By:	 	/s/ Michael Duffy
	Name: Michael Duffy
	Title: Vice President and Secretary

  

			
	PARENT and GUARANTOR:
	
	LANTHEUS MI INTERMEDIATE, INC., a Delaware corporation
		
	By:	 	/s/ Michael Duffy
	Name: Michael Duffy
	Title: Vice President and Secretary

  

			
	GUARANTOR:
	
	LANTHEUS MI REAL ESTATE, LLC, a Delaware limited liability company
		
	By:	 	/s/ Michael Duffy
	Name: Michael Duffy
	Title: Vice President and Secretary

			
	COLLATERAL AGENT, ADMINISTRATIVE AGENT, and LENDER:
	
	WELLS FARGO BANK, NATIONAL ASSOCIATION, a national banking association
		
	By:	 	/s/ Steve Scott

			
	Name:	 	Steve Scott
		 	Its Authorized Signatory

 EXHIBIT D 

FORM OF NOTICE OF BORROWING 

[LETTERHEAD OF THE BORROWER] 

[Date] 
 Wells Fargo Bank, National Association

 as the Administrative Agent for the Lenders 
 party to the
Credit Agreement referred to below 
     2450 Colorado Avenue, Suite 3000 West 

    Santa Monica, California 90404 
 Ladies
and Gentlemen: 
 The undersigned, LANTHEUS MEDICAL IMAGING, INC., a Delaware corporation (the “Borrower”),
(i) refers to that certain Amended and Restated Credit Agreement, dated as of July 3, 2013 (as amended, restated, supplemented, or otherwise modified from time to time, the “Credit Agreement”), by and among LANTHEUS MI
INTERMEDIATE, INC., a Delaware corporation (the “Parent”), the Borrower, the “Guarantors” from time to time party thereto, the lenders from time to time party thereto (each a “Lender” and individually
and collectively, the “Lenders”), WELLS FARGO BANK, NATIONAL ASSOCIATION, a national banking association (“Wells Fargo”), as the collateral agent for the benefit of Agents and the other Secured Parties (in
such capacity, together with its successors and assigns in such capacity, if any, the “Collateral Agent”) and as the administrative agent for the Lenders (in such capacity, together with its successors and assigns in such capacity,
if any, the “Administrative Agent” and together with the Collateral Agent, each an “Agent” and individually and collectively, the “Agents”), and Wells Fargo, as sole lead arranger, bookrunner, and
syndication agent, and (ii) hereby gives you notice pursuant to Section 2.02 of the Credit Agreement that the undersigned hereby requests a Revolving Loan under the Credit Agreement, and in that connection sets forth below the
information relating to such Revolving Loan (the “Proposed Revolving Loan”) as required by Section 2.02(a) of the Credit Agreement. All initially capitalized terms used herein without definition shall have the meanings
ascribed thereto in the Credit Agreement. 
  

	 	(i)	The aggregate principal amount of the Proposed Revolving Loan is $            .1 

 

	 	(ii)	The borrowing date of the Proposed Revolving Loan is                  , 20    .2 

  

	 	(iii)	The Proposed Revolving Loan is a [Reference Rate Loan] [LIBOR Rate Loan]. 

(iv)      If the Proposed Revolving Loan is a LIBOR Rate Loan, such Proposed Revolving Loan shall have an
Interest Period of [one][two][three][six] month(s). 
  

	1 	Each Revolving Loan shall be made in a minimum amount of $1,000,000 and shall be in an integral multiple of $500,000. 

	2 	This date must be a Business Day. 

  
 -2- 

 (v)      The proceeds of the Proposed Revolving Loan should be made
available to the undersigned by wire transferring such proceeds in accordance with the payment instructions attached hereto as Exhibit A. 

[The undersigned certifies that that the making of the Proposed Revolving Loan does not result in Borrower or any Guarantor being breach of,
or out of compliance with, Section 10.10 or Section 10.11 of the Senior Note Indenture. The undersigned further certifies that, after giving effect to the Proposed Revolving Loan, the aggregate outstanding amount of the Revolving Loans and
the outstanding Letter of Credit Obligations [does][does not] exceed $42,500,000. [If, after giving effect to the Proposed Revolving Loan, the aggregate outstanding amount of the Revolving Loans and the outstanding Letter of Credit
Obligations exceeds $42,500,000, (a) such excess amount of Indebtedness is permitted under a provision of Section 10.10 of the Senior Note Indenture other than Section 10.10(1) of the Senior Note Indenture, (b) the Lien securing
such excess amount of Indebtedness constitutes a “Permitted Lien” under, and as defined in, the Senior Note Indenture other than a “Permitted Lien” under clause (19) of the definition of “Permitted Liens” set forth
in the Senior Note Indenture, and (c) after giving effect to the incurrence of such excess amount of Indebtedness, Borrower would be able to incur an additional $3,000,000 of secured Indebtedness under the Loan Documents under a provision of
Section 10.10 of the Senior Note Indenture other than Section 10.10(1) and under a clause of the definition of “Permitted Liens” set forth in the Senior Note Indenture other than clause (19) of the definition of
“Permitted Liens” set forth in the Senior Note Indenture.]3]4 

The undersigned certifies that (a) the representations and warranties contained in ARTICLE VI of the Credit Agreement and in each
other Loan Document, certificate, financial statement, report or statement of fact delivered to any Agent or any Lender pursuant thereto on or prior to the date of the Proposed Revolving Loan are true and correct in all material respects (except
that such materiality qualifier shall not be applicable to any representations or warranties that already are qualified or modified as to “materiality” or “Material Adverse Effect” in the text thereof, which representations and
warranties shall be true and correct in all respects subject to such qualification) on and as of such date as though made on and as of such date except to the extent that any such representation or warranty expressly relates solely to an
earlier date (in which case such representation or warranty shall be true and correct in all material respects (except that such materiality qualifier shall not be applicable to any representations or warranties that already are qualified or
modified as to “materiality” or “Material Adverse Effect” in the text thereof, which representations and warranties shall be true and correct in all respects subject to such qualification) on and as of such earlier date),
(b) no Default or Event of Default has occurred and is continuing or would result from the making of the Proposed Revolving Loan, (c) after giving effect to the making of the Proposed Revolving Loan, the Total Revolving Exposure does not
exceed the Line Cap, and (d) the making of the Proposed Revolving Loan shall not contravene any law, rule or regulation applicable to any Agent, any Lender or the L/C Issuer. 

 

	3 	Include bracketed language if “does” is chosen in the sentence immediately prior to the bracketed language. 

	4 	Include bracketed language only if any Senior Notes are outstanding. 

  
 -3- 

 
			
	Very truly yours,
	
	LANTHEUS MEDICAL IMAGING, INC., a Delaware corporation, as the Borrower
		
	By:	 	 

 
			
	Name:	 	 

 
			
	Title:	 	 

  
 -4- 

 EXHIBIT A 

Payment Instructions 

 EXHIBIT F 

FORM OF BORROWING BASE CERTIFICATE 

[See attached] 

 Schedule 1.01(A)
            Lenders and Lenders’ Revolving Credit Commitments 
  

					
	 Lender
	 	 Revolving Credit Commitment
	 	 Total Commitment

	 Wells Fargo Bank, National Association
	 	$50,000,000	 	$50,000,000
			
	 All Lenders
	 	$50,000,000	 	$50,000,000EX-10.35

 Exhibit 10.35 

FORM OF 
 AMENDMENT

 TO THE 
 AMENDED
AND RESTATED 
 SHAREHOLDERS AGREEMENT 

            , 2014 

WHEREAS, the undersigned parties to this amendment (this “Amendment”) are parties to that certain Amended and Restated
Shareholders Agreement, dated as of February 26, 2008 (as may be amended from time to time the “Agreement”), among (i) Lantheus MI Holdings, Inc., a Delaware corporation (the “Company”), (ii) Avista
Capital Partners, L.P., a Delaware limited partnership, Avista Capital Partners (Offshore), L.P., a Delaware limited partnership, and ACP Lantern Co-Invest, LLC, a Delaware limited liability company (each of the foregoing in this clause (ii), an
“Avista Entity” and, collectively, the “Avista Entities”), and (iii) each person listed as a “Management Shareholder” on the signature pages thereto or that has subsequently become a party to
the Agreement as a “Management Shareholder” (each a “Management Shareholder” and, collectively, the “Management Shareholders”); 

WHEREAS, any capitalized term used but not otherwise defined herein shall have the meaning ascribed to such term in the Agreement; 

WHEREAS, pursuant to Section 7.04 of the Agreement, the Agreement may only be amended or otherwise modified with the written consent of
(i) the Company, with approval of the Board, (ii) Management Shareholders whose Aggregate Ownership of Company Securities is at least 50% of the Aggregate Ownership of Company Securities held by all Management Shareholders but only if and
to the extent such amendment adversely affects the express rights and obligations of the Management Shareholders under the Agreement, and (iii) the Avista Entities for so long as the Avista Entities and their Affiliates continue to hold at
least 10% of the Shares outstanding. 
 WHEREAS, the Avista Entities desire that the Agreement be amended in the manner set forth below,
and, as a result of the nature of the amendments to the Agreement contemplated by this Amendment, the consent of the Management Shareholders referred to in clause (ii) of the second “whereas” clause above is not required; and 

WHEREAS, the board of directors of the Company (the “Board”) has approved this Amendment at a meeting of the Board on
            , 2014, effective as of the Effective Time (as defined below). 

 NOW, THEREFORE, in consideration of the promises and mutual agreements contained herein and for
other good and valuable consideration the receipt and sufficiency of which are hereby acknowledged, the parties hereby agree as follows: 
 1. Amendment
to the Shareholders Agreement. Effective upon the effectiveness of the Company’s Registration Statement on Form S-1 pursuant to which an initial Public Offering of common stock of the Company
will be effected (the “Effective Time”), the Company and the Avista Entities hereby consent to the following amendments to the Agreement: 

(a) Section 2.01 of the Agreement shall be deleted in its entirety and replaced with the following, and upon such effectiveness, the
Agreement shall be amended as follows: 
 “Section 2.01. Composition of the Board. (a) The Avista Entities
shall be entitled to appoint two (2) directors to the Board of Directors of the Company (the “Board”); provided that, if the Avista Entities cease to beneficially own twenty-five percent (25%) or more of the
outstanding Common Stock, then the Avista Entities shall only be entitled to appoint one (1) director to the Board; and provided further, that if the Avista Entities case to beneficially own ten percent (10%) or more of the
outstanding Common Stock, then, the Avista Entities shall not be entitled to appoint any directors to the Board. 
 (b) The
Company shall use all reasonable efforts to facilitate the appointment of the appointees pursuant to Section 2.01(a) to be elected as members of the Board, and to permit the Avista Entities to remove, replace or change their appointees from
time to time and fill vacancies created by reason of death, removal or resignation of such appointees, including by calling a general meeting of shareholders of the Company for the purpose of voting on any appointment, removal, replacement or
change. 
 (c) The Company shall reimburse the members of the Board for all reasonable out-of-pocket expenses incurred in
connection with their attendance at meetings of the Board or any committee thereof, including, without limitation, travel, lodging and meal expenses. 

(b) Article II of the Agreement shall be amended to delete Section 2.02 thereof and replace it in its entirety with the following: 

“Section 2.02. Additional Provisions. (a) The Company agrees and acknowledges that the directors appointed by
the Avista Entities may share confidential, non-public information about the Company with the Avista Entities. 
 (b) The
Company covenants and agrees to deliver to each of the Avista Entities until such time as the Avista Entities cease to own at least five percent (5%) of the outstanding Common Shares, with reasonable promptness, such information and data,
including, but not limited to, any information necessary to assist each of the Avista Entities in preserving its qualification as a “venture capital operating company” as defined in the regulations promulgated under the Employment
Retirement Income 

  
 Page 2 of 4 

 
Security Act of 1974 by the United States Department of Labor, with respect of the Company and each of its subsidiaries from time to time may be reasonably requested by an Avista Entity.”

 (c) Section 3.05(c) of the Agreement shall be replaced in its entirety with the following: 

“(c) The restrictions on Transfers set forth in Section 3.05(a) shall terminate on the date that is one year after
the date of the closing of the First Public Offering.” 
 (d) Section 7.04(b) of the Agreement shall be amended to insert
“Article 2” prior to the word “Sections” appearing in the provision of such Section 7.04(b). 
 2. Full Force and Effect.
Except as modified in the manner described in this Amendment, the Agreement shall remain in full force and effect. 
 3. Governing Law. All issues
concerning the relative rights of the Company, the Avista Entities and the Employee Shareholders with respect to each other, and all other issues concerning the construction, validity and interpretation of this Amendment, and the rights and
obligations of the parties hereunder, shall be governed by, and construed in accordance with, the laws of the State of New York applicable to contracts made and performed entirely within such state, without regard to the conflicts of laws rules of
such state. 
 4. Counterparts. The Amendment may be executed in any number of counterparts, each of which shall be deemed to be an original, with
the same effect as if the signatures thereto and hereto were upon the same instrument. 
 5. Defined Terms. Any terms used in this Amendment and not
otherwise defined shall have the meanings assigned to such terms in the Agreement. 
 [The remainder of this page is intentionally left
blank.] 

  
 Page 3 of 4 

 IN WITNESS WHEREOF, the parties hereto have caused this Amendment to be duly executed as of
            , 2014. 
  

			
	LANTHEUS HOLDINGS, INC.
		
	By:	 	  

		 	Name:
		 	Title:
	
	AVISTA CAPITAL PARTNERS, L.P.
		
	By:	 	  

		 	Name:
		 	Title:
	
	AVISTA CAPITAL PARTNERS (OFFSHORE), L.P.
		
	By:	 	  

		 	Name:
		 	Title:
	
	ACP LANTERN CO-INVEST LLC
	By: Avista Capital Partners GP, LLC
	Its: Sole Member
		
	By:	 	  

		 	Name:
		 	Title:
	
	MANAGEMENT SHAREHOLDERS:
	
	  

	Name:
	
	  

	Name:
	
	  

	Name:

 [Signature Page to A&R Shareholders Agreement Amendment]

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