Document:

EX-10.1

 Exhibit 10.1 

A request for confidential treatment has been made with respect to portions of the following document that are marked with [*CONFIDENTIAL*]. The redacted
portions have been filed separately with the SEC. 
 LICENSE, DEVELOPMENT AND COMMERCIALIZATION AGREEMENT 

This License, Development and Commercialization Agreement (this “Agreement”), dated as of October 31, 2018 (the
“Effective Date”), is made by and between MEI Pharma, Inc., a Delaware corporation having an office at 3611 Valley Centre Drive STE 500, San Diego, CA 92130 (“MEI”), and Kyowa Hakko Kirin Co., Ltd., a Japanese
corporation having an office at 1-9-2 Otemachi, Chiyoda-ku, Tokyo 100-0004, Japan
(“KHK”). MEI and KHK are sometimes referred to herein individually as a “Party” and collectively as the “Parties”. 

RECITALS 

WHEREAS, MEI has developed the Compound (as defined below); 

WHEREAS, KHK is interested in further developing and commercializing the Compound; and

 WHEREAS, MEI wishes to grant a license to KHK under certain intellectual property
rights related to the Compound to Develop and Commercialize the Compound and Product in the Territory (all as defined below), and KHK wishes to take such license, in each case in accordance with the terms and conditions set forth below; and 

WHEREAS, the Parties entered into a Confidentiality Agreement on November 30, 2017
to facilitate the discussion and evaluation of a possible transaction between the Parties. 
 NOW
THEREFORE, in consideration of the foregoing premises and the mutual promises, covenants and conditions contained in this Agreement, and for other good and valuable consideration, receipt and sufficiency of which
are hereby acknowledged, the Parties agree as follows 
 ARTICLE 1 

DEFINITIONS 

Unless the context otherwise requires, the terms in this Agreement with initial letters capitalized, shall have the meanings
set forth below, or the meaning as designated in the indicated places throughout this Agreement. 

1.1    “AAA” has the meaning set forth in Section 14.9(b) (Dispute
Resolution). 
 1.2    “Acquiring Party” has the meaning set forth in
Section 2.7(b) (Non-Compete). 

1.3    “Affiliate” means with respect to any person, any other person directly or
indirectly controlling, controlled by, or under common control with such person; provided, that, for purposes of this definition, “control” (including, with correlative meanings, the terms “controlled by” and “under common
control with”), as used with respect to any person, means (i) the possession, directly or indirectly, of the power to direct or cause the direction of the management and policies 

  
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of such person, whether through the ownership of voting securities or by contract or otherwise, or (ii) the ownership, directly or indirectly, of more than fifty percent (50%) of the voting
securities of such person. For purposes of this Section 1.3 (Affiliate), “person” means an individual, corporation, partnership, limited partnership, limited liability company, limited liability partnership, syndicate, person
(including a “person” as defined in Section 13(d)(3) of the Securities Exchange Act of 1934, as amended, together with the rules and regulations promulgated thereunder), trust, association, entity or government or political
subdivision, agency or instrumentality of a government. 
 1.4    “Aggregate Annual Net
Sales” has the meaning set forth in Section 8.4(a) (Royalty Payments). 

1.5    “Agreement” has the meaning set forth in the preamble to this Agreement.

 1.6    “Alliance Managers” has the meaning set forth in Section 3.4
(Alliance Managers). 
 1.7    [*CONFIDENTIAL*] means any protein derived from
[*CONFIDENTIAL*] that binds to or inhibits the human protein [*CONFIDENTIAL*]. 

1.8    “Anti-Corruption Laws” means the U.S. Foreign Corrupt Practices Act, as
amended, the UK Bribery Act 2010, and any similar anti-corruption-related Applicable Laws or Applicable Laws related to the prevention of fraud, racketeering, money laundering or terrorism. 

1.9    “Applicable Laws” means any applicable United States federal, state or
local or foreign or multinational law, statute, standard, ordinance, code, rule, regulation, resolution or promulgation, or any order, writ, judgment, injunction, decree, stipulation, ruling, determination or award entered by or with any
Governmental Authority, or any license, franchise, permit or similar right granted under any of the foregoing, or any similar provision having the force or effect of law. For the avoidance of doubt, any specific references to any Applicable Law or
any portion thereof, shall be deemed to include all then-current amendments thereto or any replacement or successor law, statute, standard, ordinance, code, rule, regulation, resolution, order, writ, judgment, injunction, decree, stipulation,
ruling, or determination thereto, including all applicable “good laboratory practices,” “good clinical practices,” “good manufacturing practices,” and “good distribution practices” as such terms are most
broadly defined in the industry. 
 1.10    “Appointing Party” has the meaning
set forth in Section 3.2(e) (Appointment Not an Obligation). 

1.11    “Audit” has the meaning set forth in Section 8.9 (Financial Records
and Audit). 
 1.12    “Business Day” means a day other than a Saturday, Sunday
or a bank or other public holiday in Japan or California. 

  
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that are marked with [*CONFIDENTIAL*]. The redacted portions have been filed separately with the SEC. 
  

 1.13    “Calendar Quarter” means
each respective period of three (3) consecutive months ending on March 31, June 30, September 30, and December 31; provided, that, the first Calendar Quarter hereunder will be deemed to commence on the Effective Date and end
on December 31, and the final Calendar Quarter will be deemed to end on the date that this Agreement expires or is terminated. 

1.14    “Calendar Year” means each respective period of twelve
(12) consecutive months ending on December 31; provided, that, the first Calendar Year hereunder will be deemed to commence on the Effective Date and end on December 31, and the final Calendar Year will be deemed to end on the date that
this Agreement expires or is terminated. 
 1.15    “CFR” means the U.S. Code of
Federal Regulations. 
 1.16    “Change of Control” means (a) a merger or
consolidation of MEI with a Third Party that results in the voting securities of MEI outstanding immediately prior thereto, or any securities into which such voting securities have been converted or exchanged, ceasing to represent at least fifty
percent (50%) of the combined voting power of the surviving entity or the parent of the surviving entity immediately after such merger or consolidation, (b) a transaction or series of related transactions in which a Third Party, together with
its Affiliates, becomes the direct or indirect beneficial owner of fifty percent (50%) or more of the combined voting power of the outstanding securities of MEI, or (c) the sale or other transfer to a Third Party of all or substantially all of
MEI’s and its Affiliates’ assets. 
 1.17    “Claims” means all Third
Party demands, claims, actions, proceedings and liability (whether criminal or civil, in contract, tort or otherwise) for losses, damages, legal costs and other expenses of any nature. 

1.18    “Clinical Quality Agreement” has the meaning set forth in
Section 6.4(a) (Quality Agreements). 
 1.19    “Clinical Supply Agreement”
has the meaning set forth in Section 6.1(b) (Further Development Supply). 

1.20    “Clinical Trial” means any clinical study of pharmaceutical product on
human subjects to assess the dosing, safety, tolerability, pharmacological activity, pharmacokinetics, dose ranging or efficacy of such pharmaceutical product, including any phase I trial, phase II trial, Pivotal Study, or phase IV trial (as such
trials, with the exception of Pivotal Study which is defined herein, is defined by any applicable Regulatory Authority); provided, that, post-marketing surveillance studies are not Clinical Trials. 

1.21    “CMC” means chemistry, manufacturing, and controls. 

1.22    “CMO” means a contract manufacturing organization. 

  
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 1.23    “Combination Product”
means any Product comprising the following, either formulated together (i.e., a fixed dose combination) or packaged together and sold for a single price: (a) a Compound and (b) at least one other active pharmaceutical ingredient that is
not Controlled by MEI. 
 1.24    “Commercialization” means to promote, market,
distribute, sell (and offer for sale or contract to sell), import, conduct post-marketing surveillance, or otherwise commercially exploit or provide product support for a Product and to conduct activities, other than Development, Packaging, or
Manufacturing, in preparation for conducting the foregoing activities, including activities to produce commercialization support data and to secure and maintain market access and reimbursement “Commercializing” and
“Commercialization” shall have correlative meanings. For the avoidance of doubt, Commercialization does not include Development, Packaging, and Manufacturing. 

1.25    “Commercialization Plan” has the meaning set forth in Section 7.2
(Commercialization Plan). 
 1.26    “Commercially Reasonable Efforts” means,
with respect to the efforts and resources to be expended by a Party with respect to the Compound and Product hereunder, the level of efforts and resources consistent with the efforts and resources a pharmaceutical company of similar size and
situation in the exercise of its reasonable business judgment typically devotes to its own product candidates of similar market potential, at a similar stage in development or product lifecycle, taking also into account the stage of development or
product lifecycle of other products in such Party’s portfolio candidates, issues of safety and efficacy, product profile, the proprietary position of the Compound and Product, cost of goods, the competitiveness of the marketplace, the
regulatory structure involved, the likelihood of regulatory approval, the anticipated or actual profitability of the applicable product, and other technical, legal, scientific and medical considerations; provided, that in any event each Party shall
use no less than those efforts it uses with respect to its other high priority assets. Without limiting the foregoing, Commercially Reasonable Efforts requires, with respect to such obligations, that the Party: (a) promptly assign
responsibility for such obligation to specific employee(s) who are held accountable for progress and monitor such progress on an on-going basis, (b) set objectives for carrying out such obligations, and
(c) allocate resources designed to advance progress with respect to such objectives. 

1.27    “Commercial Quality Agreement” has the meaning set forth in
Section 6.4(b) (Quality Agreements). 
 1.28    “Commercial Supply
Agreement” has the meaning set forth in Section 6.3 (Commercial Supply). 

1.29    “Competitive Program” has the meaning set forth in Section 2.7(b) (Non-Compete). 

  
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 1.30    “Compound” means the
small molecule referred to by MEI as ME-401 having the structure set forth on Schedule 1.30 and [*CONFIDENTIAL*]. 

1.31    “Confidential Information” of a Party means all Know-How, unpublished patent applications and other information and data of a financial, commercial, business, operational, scientific, clinical, medical or technical nature of such Party that is disclosed or made
available by or on behalf of such Party or any of its Affiliates to the other Party or any of its Affiliates, whether made available orally, in writing or in electronic or other form, under this Agreement. The terms of this Agreement are the
Confidential Information of both Parties. 
 1.32    “Control” and
“Controlled by” means, with respect to any Know-How, Invention, Patent, technology, copyright, trademark or other intellectual property right, the possession by a Party or its Affiliates
(whether by ownership, license grant or other means) of the legal right to grant the right to access or use, or to grant a license or a sublicense to, such Know-How, Invention, Patent right, technology,
copyright, trademark or other intellectual property right as provided for herein without violating the proprietary rights of any Third Party or any terms of any agreement or other arrangement between such Party (or any of its Affiliates) and any
Third Party. 
 1.33    “Cover”, “Covered” or
“Covering” means, with respect to a Patent, that, in the absence of a license granted to a Person under a Valid Claim included in such Patent, the Manufacture, Packaging, use, practice, distribution or sale of the subject
matter of such Patent by such Person would infringe, or contribute to or induce the infringement of, such Valid Claim, or with respect to a Patent application, as if such Valid Claim was contained in an issued Patent. 

1.34     “Develop” means to research, develop, analyze, test and conduct
preclinical trials, Clinical Trials, any preclinical/clinical/CMC commitments following Regulatory Approval and all other regulatory trials, for the Compound or a Product, including new Indications, new formulations and all other activities,
including regulatory activities, related to securing and maintaining Regulatory Approval, for the Compound or a Product. For the avoidance of doubt, Develop shall include activities such as conducting in vitro, in vivo or in silico studies for the
purpose of determining which Indication to pursue. “Developing” and “Development” shall have correlative meanings. 

1.35    “Development Plan” has the meaning set forth in Section 4.2
(Development Plan). 
 1.36    “Disclosing Party” has the meaning set forth in
Section 10.1(a) (Duty of Confidence). 
 1.37    “Dollar” means U.S.
dollars, and “$” shall be interpreted accordingly. 
 1.38    “Effective
Date” has the meaning set forth in the preamble to this Agreement. 

1.39    “Excluded Claim” has the meaning set forth in Section 14.9(g)
(Dispute Resolution). 

  
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 1.40    “Executive Officers” has
the meaning set forth in Section 3.3 (JSC Decision Making). 

1.41    “Field” means all prophylactic, diagnostic and therapeutic uses for any
human disease. 
 1.42    “First Commercial Sale” means the first shipment of
the Product by or on behalf of KHK or its Affiliate or its Sublicensee to a Third Party in the Territory for end use or consumption of the Product after Regulatory Approval of the Product in the Territory or, if earlier, the invoicing of a Third
Party for such shipment. Sales or transfers of reasonable quantities of the Product for Clinical Trial purposes, or for compassionate or similar use, shall not be considered a First Commercial Sale. 

1.43    “FL” has the meaning set forth in Section 4.3(a) (Development
Diligence). 
 1.44    “GAAP” means the then-current Generally Accepted
Accounting Principles or International Financial Reporting Standards (IFRS), whichever is adopted as the standard financial accounting guideline in the United States for public companies, as consistently applied. 

1.45    “GDPR” has the meaning set forth in Section 5.9
(Personally-Identifiable Data / GDPR Compliance). 
 1.46    “Generic Product”
means any pharmaceutical product that is distributed by a Third Party (that is not licensed or otherwise permitted by KHK or its Affiliates or its Sublicensees) in the Territory (i) under a Regulatory Approval approved by a Regulatory Authority
in reliance, in whole or in part, on the Regulatory Approval for the Product, including any product authorized for sale (a) in the United States pursuant to Section 505(b)(2) or 505(j) of the FD&C Act (21 U.S.C. 355(b)(2) and 355(j),
respectively), (b) in the EU pursuant to Article 10 of Directive 2001/83/EC as amended, or (c) in the Territory all equivalents of such provisions in (a) and (b), and (ii) which product (a) contains the same active pharmaceutical
ingredient(s) as the Product, (b) is approved based in significant part upon clinical data generated and used for obtaining Regulatory Approval of the Product and (c) is approved for at least one of the same Indication(s) as the Product in
the Territory. 
 1.47    “Government Authority” means any United States
federal, state or local, or any foreign, government or political subdivision thereof, or any multinational organization or authority, or any authority, agency or commission entitled to exercise any administrative, executive, judicial, legislative,
police, regulatory or taxing authority or power, any court or tribunal (or any department, bureau or division thereof), or any governmental arbitrator or arbitral body. For clarity, any Regulatory Authority shall be a Governmental Authority. 

1.48    “IND” means an investigational new drug application, clinical trial
authorization or similar application or submission for approval to conduct human clinical investigations filed 

  
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with or submitted to a Regulatory Authority in conformance with the requirements of such Regulatory Authority including the Clinical Trial Notification to the MHLW. 

1.49    “Indemnified Party” has the meaning set forth in Section 13.3
(Indemnification Procedure). 
 1.50    “Indemnifying Party” has the meaning set
forth in Section 13.3 (Indemnification Procedure). 
 1.51    “Indication”
means a separate and distinct disease, disorder, illness or health condition for which [*CONFIDENTIAL*]. 

1.52    “Invention” means any improvement, addition, refinement, modification,
development, discovery or invention, whether or not patentable, that is conceived, reduced to practice or otherwise developed by either Party, or by both Parties, under this Agreement. 

1.53    “Joint Inventions” has the meaning set forth in Section 9.1(b)
(Ownership of Inventions). 
 1.54    “Joint Patents” has the meaning set forth
in Section 9.1(b) (Ownership of Inventions). 
 1.55    “JPY” means the
Japanese Yen (i.e., the currency in the Territory). 
 1.56    “JSC” has the
meaning set forth in Section 3.1 (Joint Steering Committee). 

1.57    “KHK” has the meaning set forth in the preamble to this Agreement. 

1.58    “KHK Data” has the meaning set forth in Section 9.1(a) (Data). 

1.59    “KHK Indemnitees” has the meaning set forth in Section 13.1
(Indemnification by MEI). 
 1.60    “KHK
Know-How” means any and all Know-How, whether or not patentable, to the extent Controlled by, or on behalf of, KHK or its Affiliates following the Effective
Date or at any time thereafter during the Term (other than the MEI Know-How) that is conceived or first made in the course of, or used in the course of, KHK’s performance under this Agreement, and that is
necessary and/or reasonably useful for the Development, Manufacture, Packaging, Commercialization or exploitation of the Compound or Product. 

1.61    “KHK Patents” means any Patent that (i) claims a priority date
[*CONFIDENTIAL*] the Effective Date, (ii) is Controlled by KHK (or its Affiliates) during the Term (other than the MEI Patents) and (iii) contains one or more claims Covering the Compound and/or Product (including the Development,
Manufacturing, Packaging or Commercialization of 

  
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the Compound and/or Product) or the KHK Know-How; provided, that “KHK Patents” do not include any Joint Patent. 

1.62    “KHK Sole Invention” has the meaning set forth in Section 9.1(d)(i)
(License to MEI). 
 1.63    “KHK Technology” means the KHK Know-How, the KHK Patents, KHK Sole Inventions and KHK’s interest in the Joint Patents. 

1.64    “KHK Trademarks” has the meaning set forth in Section 9.8(a)
(Trademarks). 
 1.65    “Know-How”
means all secret and substantial technical, scientific, regulatory and other information, results, knowledge, techniques, in whatever form and whether or not confidential or patentable, Inventions, invention disclosures, discoveries, plans,
processes, practices, methods, knowledge, trade secrets, know-how, instructions, skill, experience, ideas, concepts, data (including biological, chemical, pharmacological, toxicological, pharmaceutical,
physical and analytical, safety, quality control, and preclinical and clinical data), formulae, formulations, compositions, specifications, marketing, pricing, distribution, cost, sales and Manufacturing data or descriptions. Know-How does not include any Patent claiming any of the foregoing. 

1.66    “Manufacture” or “Manufacturing” or
“Manufactured” means, with respect to the Compound and Product, the receipt, handling and storage of active pharmaceutical ingredients, drug substance or drug product and other materials, the manufacturing, processing, holding
(including storage), quality assurance and quality control testing (including release) of the Compound and Product (other than quality assurance and quality control related to development of the Manufacturing process, which activities shall be
considered Development activities) and shipping of the Compound and Product. For the avoidance of doubt, Manufacturing does not include Development, Packaging, and Commercializing. 

1.67    “Manufacturing Option” has the meaning set forth in Section 6.5(a)
(Manufacturing Option). 
 1.68    “Marketing Authorization Application” or
“MAA” means an application to the appropriate Regulatory Authority for approval to market and sell the Product (but excluding Pricing Approval) in any particular country or regulatory jurisdiction. 

1.69    “MEI” has the meaning set forth in the preamble to this Agreement. 

1.70    “MEI Indemnitees” has the meaning set forth in Section 13.2
(Indemnification by KHK). 
 1.71    “MEI
Know-How” means all Know-How that MEI Controls as of the Effective Date or during the Term that is necessary for the Development, Packaging, and/or Manufacture
of 

  
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the Compound or Product and/or Commercialization of any Product in the Field. Notwithstanding the foregoing, “MEI Know-How” does not include any Know-How that is owned or in-licensed by a Third Party described in the definition of “Change of Control” or such Third Party’s Affiliates
[*CONFIDENTIAL*]. 
 1.72    “MEI Patents” means all Patents that MEI
Controls as of the Effective Date or during the Term that Cover the Development, Packaging, and/or Manufacture of the Compound or Product and/or Commercialization of any Product in the Field in the Territory. The MEI Patents existing as of the
Effective Date are listed on Schedule 1.72; provided, that “MEI Patents” do not include any Joint Patent. Notwithstanding the foregoing, “MEI Patent” does not include any Patent that is owned or in-licensed by a Third Party described in the definition of “Change of Control” or such Third Party’s Affiliates [*CONFIDENTIAL*] 

1.73    “MEI Technology” means the MEI
Know-How, the MEI Patents, and MEI’s interest in the Joint Patents. 

1.74    “MEI Trademarks” has the meaning set forth in Section 9.8
(Trademarks). 
 1.75    “MHLW” means the Japanese Ministry of Health, Labor and
Welfare, or a successor agency thereto. 
 1.76    “Net Sales” means, with
respect to any Product, the gross amounts invoiced for sales or other dispositions of such Product by or on behalf of KHK, its Affiliates and Sublicensees to Third Parties, less the following deductions to the extent included in the gross invoiced
sales price for such Product or otherwise paid or incurred by KHK or its Affiliates, as applicable, with respect to the sale or other disposition of such Product, in each and every case solely to the extent permitted to be taken as a deduction in
accordance with GAAP: 
 (a) normal and customary trade and quantity discounts, allowances, and credits actually
allowed and properly taken with respect to sales of such Product; 
 (b) credits or allowances given or made for
defects, rejection, recalls or return of previously sold Products or for retroactive price reductions and billing errors; 

(c) discounts, rebates, reimbursements, and chargeback payments granted to managed health care organizations or other
health care institutions (including hospitals), health care administrators, patient assistance or similar programs, pharmacy benefit managers (or equivalents thereof), wholesalers and other distributors, pharmacies and other retailers, group
purchasing organizations or other buying groups, health maintenance organizations, national, state/provincial, local, and other governments, their agencies and purchasers and reimbursers, any other providers of health insurance coverage, or to trade
customers; 
 (d) transportation costs and related insurance charges actually incurred; and 

  
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 (e) any Taxes levied on or with respect to such Product (excluding
Taxes imposed on or with respect to net income, however, denominated). 
 In the case of pharmacy incentive programs,
hospital performance incentive programs, chargebacks, disease management programs, similar programs or discounts on portfolio product offerings, all rebates, discounts and other forms of reimbursements shall be allocated among the relevant products
on the basis on which such rebates, discounts and other forms of reimbursements were actually granted or, if such basis cannot be determined, in accordance with KHK’s, its Affiliates’ or its Sublicensees’ existing allocation method;
provided that any such allocation to a Product shall be: (i) done in accordance with Applicable Law, including any price reporting laws, rules and regulations and (ii) subject to clause (i), in no event no greater than a pro rata
allocation, such that the portion of each of the foregoing rebates, discounts and other forms of reimbursements shall not be included as deductions from invoiced sales hereunder in any amount greater than the proportion of the number of units of
such Product sold by KHK, its Affiliates or its Sublicensees to Third Parties hereunder compared to the number of units of all the products sold by KHK, such Affiliates and such Sublicensees to Third Parties to which such foregoing rebate, discount
or other form of reimbursement, as applicable, are granted. 
 If a Product is sold or otherwise commercially disposed of
for consideration other than cash or in a transaction that is not at arm’s length between the buyer and the seller, then the gross amount to be included in the calculation of Net Sales shall be the amount that would have been invoiced had the
transaction been conducted at arm’s length and for cash. Such amount that would have been invoiced shall be determined, wherever possible, by reference to the average selling price of the relevant Product in arm’s length transactions in
the relevant jurisdiction in the relevant Calendar Quarter. 
 Such amounts shall be determined in accordance with GAAP,
consistently applied. 
 All deductions shall only be allowable to the extent they are commercially reasonable and shall be
determined, on a jurisdiction-by-jurisdiction basis, as incurred in the ordinary course of business in type and amount consistent with KHK’s, its Affiliate’s,
or a Sublicensee’s (as the payment is accrued by such entity); provided, however, that, if the accrued amount with respect to such deduction is determined in a subsequent Calendar Quarter to have been greater than the actual amount of such
deduction, the amount over-accrued shall be included in Net Sales in such subsequent Calendar Quarter. For purposes of determining Net Sales, a Product shall be deemed to be sold when billed or invoiced and a sale shall not include transfers or
dispositions of such Product for pre-clinical or clinical purposes or provided in good faith as samples or through patient assistance programs, in each case, without charge. 

In the event that a Product is sold as part of a Combination Product, then Net Sales for such product shall be determined by
multiplying the net sales of the Combination Product (as calculated in accordance with analogous criteria as set forth above for the “Net Sales” definition) by the fraction, A / (A+B) where A is the weighted average sale price of such
Product when sold 

  
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separately in finished form, and B is the weighted average sale price of the other active compound or ingredient in the Combination Product sold separately in finished form. 

In the event that the weighted average sale price of a Product can be determined but the weighted average sale price of the
other active compound or ingredient in the Combination Product cannot be determined, then Net Sales for such product shall be calculated by multiplying the net sales of the Combination Product (as calculated in accordance with analogous criteria as
set forth above for the “Net Sales” definition) by the fraction A / C where A is the weighted average sale price of such Product when sold separately in finished form and C is the weighted average sale price of the Combination Product.

 In the event that the weighted average sale price of the other active compounds or ingredients in the Combination Product
can be determined but the weighted average sale price of such Product cannot be determined, Net Sales for such product shall be calculated by multiplying the net sales of the Combination Product (as calculated in accordance with analogous criteria
as set forth above for the “Net Sales” definition) by the following formula: one (1) minus B / C where B is the weighted average sale price of the other active compound or ingredient in the Combination Product when sold separately
in finished form and C is the weighted average sale price of the Combination Product. 
 In the event that the weighted
average sale price of both a Product and the other active compound or ingredient in the Combination Product cannot be determined in the Territory, then, the Parties shall negotiate in good faith a reasonable adjustment to Net Sales in the Territory
that takes into account all factors reasonably relevant to the relative value of the Compound, on the one hand, and all of the other active ingredient(s), collectively, on the other hand. 

Upon the sale or other disposal of a Product, such sale, disposal or use will be deemed to constitute a sale with the
consideration for the sale being the consideration for the relevant transaction and constituting Net Sales hereunder, or if the consideration is not a monetary amount, a sale will be deemed to have occurred for a price assessed on the value of
whatever consideration has been provided in exchange for the sale. Disposal of a Product for or use of a Product in Clinical Trials or as free samples will not give rise to any deemed sale under this definition. Such amounts will be determined from
the books and records of KHK and its Sublicensees maintained in accordance with GAAP or corresponding accounting standards in any other jurisdiction, consistently applied throughout the organization. 

In no event shall any particular amount of deduction identified above be deducted more than once in calculating Net Sales
(i.e., no “double counting” of deductions). 
 1.77    “NHI”
means the Japanese national health insurance system, or its successor system. 

1.78    “NHI Price” means the reimbursement price of the Product for purposes of
the NHI. 

  
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 1.79    “NHI Price Approval”
means approval of the NHI Price by the MHLW. 

1.80    “non-Appointing Party” has the
meaning set forth in Section 3.2(e) (Appointment Not an Obligation). 

1.81    “Package” and “Packaging” has the meaning set forth in
Section 6.2 (Packaging; Certain Other Manufacturing Activities). 

1.82    “Party” and “Parties” have the meanings set forth in the
preamble to this Agreement. 
 1.83    “Patent” means any and all
(a) issued patents, (b) pending patent applications, including all provisional applications, substitutions, continuations, continuations-in-part, divisionals
and renewals, and all patents granted thereon, (c) patents-of-addition, reissues, reexaminations and extensions or restorations by existing or future extension or
restoration mechanisms, including patent term adjustments, Patent Term Extensions, supplementary protection certificates or the equivalent thereof, (d) inventor’s certificates, (e) other forms of government-issued rights substantially
similar to any of the foregoing, and (f) United States and foreign counterparts of any of the foregoing. 

1.84    “Patent Term Extension” means any term extensions, supplementary
protection certificates and equivalents thereof offering Patent protection beyond the initial term with respect to any issued Patents. 

1.85    “Person” means any individual, firm, corporation, partnership, limited
liability company, trust, business trust, joint venture, Governmental Authority, association or other entity. 

1.86    “Pharmacovigilance Agreement” has the meaning set forth in
Section 5.8 (Pharmacovigilance). 
 1.87    “Pivotal Study” means a human
clinical trial (a) on a sufficient number of subjects that is designed to establish that the compound or product is safe and efficacious for its intended use, and to determine warnings, precautions, and adverse reactions that are associated
with the compound or product in the dosage range to be prescribed, and to support Regulatory Approval of the compound or product for an Indication or label expansion of the compound or product, (b) that would otherwise satisfy the requirements
for a Phase 3 study as defined in 21 CFR § 312.21(c) (or any amended or successor regulations) or any equivalent regulations in the countries in the Territory, regardless of where such clinical trial is conducted, or
(c) that the data from which is actually used for registration purposes. 

1.88    “PMDA” means the Pharmaceuticals and Medical Devices Agency of Japan,
which is an extra-ministerial bureau of the MHLW and is responsible for, among other things, the evaluation of new drugs, and offers face-to-face consultation services,
or a successor agency thereto. 

  
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 1.89    “Pricing Approval” means,
with respect to any country where a Governmental Authority authorizes reimbursement or access, or approves or determines pricing, for pharmaceutical products, receipt of such reimbursement or access authorization or pricing approval or determination
(as the case may be), including the NHI Price Approval. 
 1.90    “Product”
means any pharmaceutical product, containing the Compound, whether or not as the sole active ingredient, and in any dosage, form or formulation ready for dispensing to or consumption by an end-user. For
clarity, (i) the Compound in drug substance form (as opposed to the drug dosage form) shall constitute the Compound, but not the Product, and (ii) the term “Product” shall not be construed to include any proprietary compounds of
MEI or any of its Affiliates other than the Compound. 
 1.91    “Product
Agreements” has the meaning set forth in Section 11.3(g) (Effect of Termination). 

1.92    “Product Infringement” has the meaning set forth in Section 9.4(a)
(Notice). 
 1.93    “Promotional Materials” has the meaning set forth in
Section 7.4 (Creation of Promotional Materials). 
 1.94    “Quality
Agreements” has the meaning set forth in Section 6.4(b) (Quality Agreements). 

1.95    “Recall” has the meaning set forth in Section 5.7 (Remedial Actions).

 1.96    “Recall Costs” has the meaning set forth in Section 5.7
(Remedial Actions). 
 1.97    “Receiving Party” has the meaning set forth in
Section 10.1(a) (Duty of Confidence). 
 1.98    “Regulatory Approval”
means, with respect to any pharmaceutical product in any regulatory jurisdiction for a given Indication, approval from the applicable Regulatory Authority permitting the distribution, use and sale of such pharmaceutical product in such regulatory
jurisdiction for such Indication in accordance with Applicable Law. 

1.99    “Regulatory Authority” means, in a particular country or regulatory
jurisdiction, any applicable Governmental Authority involved in granting Regulatory Approval and/or Pricing Approval of a pharmaceutical product in such country or regulatory jurisdiction. 

1.100    “Regulatory Data” means any and all research data, pharmacology data,
preclinical data, clinical data and all other documentation submitted, or required to be submitted, to Regulatory Authorities in association with regulatory filings for the Product (including any applicable Drug Master Files, CMC data, CDISC
electronic data and relevant documents, or similar documentation). 

  
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 1.101    “Regulatory Exclusivity”
means, with respect to each Product in any jurisdiction in the Territory, any period of data, market or other regulatory exclusivity (other than Patent exclusivity) granted or afforded by Applicable Law or by a Regulatory Authority in such
jurisdiction that confers exclusive marketing rights with respect to such Product in such jurisdiction or prevents another Person from using or otherwise relying on any data supporting the approval of the Marketing Authorization Application with
respect to such Product in such jurisdiction without the prior written consent of the Marketing Authorization Application-holder, as applicable, including orphan drug exclusivity, new chemical entity exclusivity, data exclusivity, or pediatric
exclusivity. 
 1.102    “Regulatory Materials” means regulatory applications,
submissions, notifications, communications, correspondence, discussion/meeting minutes, registrations, Regulatory Approvals and/or other filings made or related to, received from or otherwise conducted with a Regulatory Authority that are necessary
in order to Develop, Manufacture, Package, obtain marketing authorization, market, sell or otherwise Commercialize the Product in a particular country or regulatory jurisdiction. Regulatory Materials include INDs, presentations, responses, and
applications for other Regulatory Approvals. 
 1.103    “Remedial Action”
has the meaning set forth in Section 5.7 (Remedial Actions). 

1.104    “Respective Territory” means, in the case of KHK, the Territory, and in
the case of MEI, all countries of the world outside the Territory. 
 1.105    “Royalty
Term” has the meaning set forth in Section 8.4(b) (Royalty Term). 

1.106    “r/r” has the meaning set forth in Section 4.3(a) (Development
Diligence). 
 1.107     “Sole Inventions” has the meaning set forth in
Section 9.1(b) (Ownership of Inventions). 
 1.108    “Sublicense” means a
license or sublicense to Develop, make, use, import, promote, offer for sale or sell any Compound or Product. 

1.109    “Sublicensee” means a Third Party or Affiliate to whom KHK has granted a
Sublicense in accordance with the terms of this Agreement. 
 1.110    “Supply
Items” has the meaning set forth in Section 6.1 (Development Supply). 

1.111    “Tax” or “Taxes” means any (a) all federal,
provincial, territorial, state, municipal, local, foreign or other taxes, imposts, rates, levies, assessments and other charges in the nature of a tax (and all interest and penalties thereon and additions thereto imposed by any Government
Authority), including without limitation all income, excise, franchise, gains, capital, real property, goods and services, transfer, value added, gross receipts, windfall profits, severance, ad valorem, personal property, production, sales, use,
license, stamp, documentary stamp, mortgage recording, 

  
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employment, payroll, social security, unemployment, disability, escheat, estimated or withholding taxes, and all customs and import duties, together with all interest, penalties and additions
thereto imposed with respect to such amounts, in each case whether disputed or not; (b) any liability for the payment of any amounts of the type described in clause (a) as a result of being or having been a member of an affiliated,
consolidated, combined or unitary group; and (c) any liability for the payment of any amounts as a result of being party to any tax sharing agreement or arrangement or as a result of any express or implied obligation to indemnify any other
person with respect to the payment of any amounts of the type described in clause (a) or (b). 

1.112    “Term” has the meaning set forth in Section 11.1 (Term). 

1.113    “Territory” means Japan. 

1.114    “Third Party” means any Person other than a Party or an Affiliate of a
Party. 
 1.115    “Third Party Patent” has the meaning set forth in
Section 9.5(b)(i) (Third Party Intellectual Property Rights). 
 1.116    “Trademark
Infringement” has the meaning set forth in Section 9.8(b) (Trademarks). 

1.117    “Transfer Plan” has the meaning set forth in Section 2.4(a)
(Transfer of Know-How and Materials). 

1.118    “Transition Period” has the meaning set forth in Section 6.5(b)(i)
(Manufacturing Option). 
 1.119    “United States” or “U.S.”
means the United States of America including its territories and possessions. 

1.120    “Valid Claim” means, with respect to the Territory, a claim of
(a) an issued and unexpired Patent in the Territory which has not been revoked, held unenforceable, unpatentable or invalid by an administrative agency, court or other governmental agency of a competent jurisdiction in a final and non-appealable decision (or decision unappealed within the time allowed for appeal), and which has not been admitted to be invalid or unenforceable through reissue, disclaimer or otherwise or (b) a pending
Patent application that is being prosecuted in good faith and has not been pending for more than [*CONFIDENTIAL*] from the first office action date with respect to such Patent application (for clarity, a Patent application pending longer than
such [*CONFIDENTIAL*] period would become a Valid Claim after such period upon the issuance of the relevant Patent). 

1.121    “VAT” has the meaning set forth in Section 8.8(b) (VAT). 

1.122    “Working Group” has the meaning set forth in Section 3.2(d) (Working
Group). 

  
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 ARTICLE 2 

LICENSE 

2.1    Licenses to KHK. Subject to the terms and conditions of this Agreement, MEI hereby
grants to KHK an exclusive, royalty-bearing license, with the right to grant Sublicenses (through multiple tiers) in accordance with Section 2.2 (Sublicense Rights), under the MEI Technology to Develop, Package, have Packaged and use Compound
and Product, and Commercialize Product, in the Field in the Territory. 
 2.2    Sublicense Rights.

 (a)    Subject to the terms of this Section 2.2 (Sublicense Rights), KHK may grant a
Sublicense of the licenses granted in Section 2.1 (Licenses to KHK) through to Affiliates of KHK without notice to or the prior consent of MEI. Upon [*CONFIDENTIAL*], KHK may grant a Sublicense to any Third Party to Develop or
Commercialize a Product. 
 (b)    Each authorized Sublicense granted hereunder, if any, whether
to an Affiliate or Sublicensee, shall be in writing and shall incorporate terms and conditions sufficient to enable KHK to comply with this Agreement. KHK shall remain responsible for the performance by any of its Sublicensees and shall cause its
Sublicensees to comply with the provisions of this Agreement in connection with such performance, including the non-compete, reporting, audit, inspection and confidentiality provisions hereunder, and shall
terminate all relevant agreements with any such Sublicensee in the case of any uncured material breach of such terms and conditions by such Sublicensee. For the avoidance of doubt, KHK will remain directly responsible for all amounts owed to MEI
under this Agreement and KHK hereby expressly waives any requirement that MEI exhaust any right, power or remedy, or proceed against a Sublicensee for any obligation or performance hereunder prior to proceeding directly against KHK. 

2.3    MEI’s Retained Rights. MEI retains the right under the MEI Technology to
(a) exercise its rights and perform its obligations under this Agreement; and (b) research, Develop, make, have made, use, promote, distribute, sell, offer for sale, have sold, import, export and otherwise Commercialize Compounds and
Products to the extent not inconsistent with the exclusive rights granted to KHK under Section 2.1 (Licenses to KHK). 

2.4    Transfer of Know-How and Materials. 

(a)    The Parties shall agree to a plan for the transfer of certain MEI Know-How (including the data therein) existing as of the Effective Date as attached to this Agreement as Schedule 2.4 (the “Transfer Plan”). As soon as practical and pursuant to the Transfer
Plan, MEI shall disclose and make available to KHK, and KHK shall receive, the MEI Know-How and materials listed in the Transfer Plan, according to the timeline set forth in the Transfer Plan. The Parties
shall cooperate with each other in good faith to enable a smooth transfer of such MEI Know-How to KHK. For clarity, this Section 2.4(a) (Transfer of Know-How and
Materials) does not apply to any transfer of Manufacturing-related Know-How, which shall be required of MEI 

  
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only as set forth in Section 6.5 (Manufacturing Option), other than Manufacturing-related Know-How necessary for KHK to fulfill its obligations under
this Agreement as and to the extent set forth in the Transfer Plan. 
 (b)    Upon KHK’s
reasonable request, MEI shall provide reasonable technical assistance, including making appropriate employees available to KHK at reasonable times, places and frequency, and upon reasonable prior notice, for the purpose of assisting KHK to
understand and use the MEI Know-How in connection with KHK’s Development of Products; provided, that MEI shall have no obligation under this Section 2.4 (Transfer of
Know-How and Materials) to provide assistance in excess of [*CONFIDENTIAL*] and any such assistance provided by MEI in excess of such limit shall be paid for by KHK at a rate of
[*CONFIDENTIAL*] per hour. 
 (c)    If, during the Term, (i) MEI becomes aware of any
Know-How or Patents MEI Controls that are necessary for KHK to Develop, Package, and use Compound and Product, and Commercialize Product, in the Territory, or Manufacture (following the exercise, if ever, of
KHK’s Manufacturing Option) Compound and Product for the Development and Commercialization in the Territory, MEI shall promptly notify KHK; and (ii) upon reasonable request by KHK, MEI shall disclose such MEI
Know-How or MEI Patents and make available such Know-How or Patents to KHK with no additional cost and shall use Commercially Reasonable Efforts to provide reasonable
technical assistance, subject to Section 2.4(b) (Transfer of Know-How and Materials), including making appropriate employees available at reasonably agreed times and frequency, for the purpose of
assisting KHK to understand and use such Know-How in connection with KHK’s Product-related activities. 

(d)    The Parties acknowledge and agree that none of the technology transfer assistance required by
this Section 2.4 (Transfer of Know-How and Materials) will require either Party to provide such assistance in person. 

2.5    No Implied Licenses; Negative Covenant. Except as set forth herein, neither Party
shall acquire any license or other intellectual property interest, by implication or otherwise, under any Know-How, Patents, trademarks or other intellectual property rights owned or controlled by the other
Party. KHK hereby covenants not to practice, and not to permit or cause any of its Affiliate or any Third Party to practice, any MEI Technology for any purpose other than as expressly authorized in this Agreement, including exclusively Developing
and Commercializing Products in accordance with the Development Plan or Commercialization Plan, as applicable. 
 2.6    Non-Diversion. 
 (a)    Each
Party hereby covenants and agrees that it will not, and will ensure that its Affiliates will not, and will ensure its Sublicensees (or licensees) and subcontractors do not to, either directly or indirectly, promote, market, solicit, distribute,
import, sell or have sold Products in the other Party’s Respective Territory, except in each case solely in the context of exercising Manufacturing rights (and thus attendant import and the like rights) in the other Party’s Respective

  
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Territory and to the extent that such Party has the express right to conduct such Manufacturing and related activities. 

(b)    If a Party or any of its Affiliates or Sublicensees (or licensees) receives or becomes aware
of the receipt by such Person of any orders for any Product for use outside such Party’s Respective Territory, such Person shall refer such orders to the other Party. 

(c)    In furtherance of the foregoing, in the event that Party or any of its Affiliates or
Sublicensees (or licensees) violates the provisions of this Section 2.6 (Non-Diversion) such Party shall pay, or cause to be paid, to the other Party the full amount of any Net Sales of the Product
outside of such Party’s Respective Territory; provided, that, such payment shall not limit either Party’s other remedies with respect thereto. 

2.7    Non-Compete. 

(a)    During the Term, both Parties and, with respect to KHK, for an additional period of
[*CONFIDENTIAL*] after the early termination of this Agreement [*CONFIDENTIAL*] (but, for clarity, not the natural expiration of this Agreement), shall not, and shall ensure that its Affiliates, its licensees and Sublicensees do not,
directly or indirectly, conduct, have conducted, exploit, or fund any activity that involves the conduct of, any [*CONFIDENTIAL*] any compound or product in or for (i) the Territory with respect to MEI, or (ii) globally, including
the Territory, with respect to KHK, that is intended [*CONFIDENTIAL*] other than the Compound and Product in accordance with this Agreement and any applicable supply agreement between the Parties. It is the desire and intent of the Parties
that the restrictive covenants contained in this Section 2.7 (Non-Compete) be enforced to the fullest extent permissible under Applicable Laws and public policies applied in each jurisdiction in which
enforcement is sought. KHK and MEI believe that the restrictive covenants in this Section 2.7 (Non-Compete) are valid and enforceable. However, if any restrictive covenant should for any reason become or
be declared by a competent court or competition authority to be invalid or unenforceable in any jurisdiction, such restrictive covenant shall be deemed to have been amended to the extent necessary in order that such provision be valid and
enforceable, such amendment shall apply only with respect to the operation of such provision of this Section 2.7 (Non-Compete) in the particular jurisdiction in which such declaration is made. 

(b)    Notwithstanding Section 2.7(a) (Non-Compete), if
during the relevant time period under Section 2.7(a) (Non-Compete), a Party (such Party, the “Acquiring Party”) or any of its Affiliates (as applicable) merges or consolidates with, or
otherwise acquires, or is acquired by, a Third Party wherein such Third Party is engaged in activities that would otherwise constitute a breach of Section 2.7(a) (Non-Compete) (a “Competitive
Program”), unless the Parties agree otherwise in writing, the Acquiring Party shall, within [*CONFIDENTIAL*] after the date of the merger, consolidation or acquisition, notify the other Party in writing that it intends to either (i)
[*CONFIDENTIAL*] or (ii) [*CONFIDENTIAL*]. If the Acquiring Party notifies the other Party that it: 

  
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 (i)    intends to [*CONFIDENTIAL*], then the
Acquiring Party or its Affiliate [*CONFIDENTIAL*] as quickly as possible (and in any event, subject to Applicable Law, within [*CONFIDENTIAL*] of the date of such written notice); or 

(ii)    intends [*CONFIDENTIAL*], then the Acquiring Party or its relevant Affiliate shall use all
reasonable efforts to effect [*CONFIDENTIAL*] as quickly as possible (and in any event within [*CONFIDENTIAL*] of the date of such written notice); provided, that, if the Acquiring Party or its relevant Affiliate fails to complete
[*CONFIDENTIAL*] within such [*CONFIDENTIAL*], but can demonstrate to the other Party’s reasonable satisfaction that it used all reasonable efforts to effect [*CONFIDENTIAL*] within such [*CONFIDENTIAL*] period,
then, unless otherwise required by Applicable Law, such [*CONFIDENTIAL*] period shall be extended for such additional reasonable period thereafter as is necessary to enable such Competitive Program [*CONFIDENTIAL*], not to
exceed an additional [*CONFIDENTIAL*] ; provided, further, however, that all times periods under this Section 2.7(b) (Non-Compete) shall be extended for such period as is necessary to obtain any
governmental or Regulatory Approvals required to complete [*CONFIDENTIAL*] for so long as the Acquiring Party or its relevant Affiliate is using good faith efforts to obtain such approvals. 

ARTICLE 3 
 GOVERNANCE

 3.1    Joint Steering Committee. Within [*CONFIDENTIAL*] after the Effective
Date, the Parties shall establish a joint steering committee (the “JSC”), composed of three (3) representatives of each Party (or such other equal number of representative from each Party as the Parties may agree in writing
from time-to-time), to coordinate the Development of the Compound and Products and Commercialization Products in the Field in the Territory. Each JSC representative
shall have appropriate knowledge and expertise and sufficient seniority within the applicable Party to make decisions arising within the scope of the JSC’s responsibilities. The JSC shall: 

(a)    serve as a forum for discussing and supervising Development of the Compound and Products in
the Field in the Territory, including reviewing and approving the Development Plans and amendments to the Development Plans, and coordinating the conduct of the Development activities, including KHK’s participation in global studies; 

(b)    serve as a forum for discussing and supervising the Commercialization of Products in the
Field in the Territory, including by reviewing the Commercialization strategy for the Territory, reviewing the Commercialization Plans and amendments and updates to the Commercialization Plans, and coordinating the conduct of the Commercialization
activities; and 
 (c)    serve as a forum, if applicable, for discussing any Development of
Compound or Product in the Territory in combination with compound or product other than [*CONFIDENTIAL*]. For the avoidance of doubt, if any such other compound or product is 

  
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Controlled by MEI and is not a Compound or Product, it is understood that KHK is not being granted any license under MEI Patents to exploit such other compound or product used in such
combination. 
 The JSC shall have only such powers as are expressly assigned to it in this Agreement, and such powers shall be subject to
the terms and conditions of this Agreement. For clarity, The JSC shall not have any right, power or authority: (i) to determine any issue in a manner that would conflict with the express terms and conditions of this Agreement; or (ii) to
modify or amend the terms and conditions of this Agreement. 
 3.2    JSC Membership and Meetings.

 (a)    JSC Members. Each Party shall designate one of its JSC representatives to act
as co-chairpersons of the JSC. Each Party may replace its JSC representatives (and its chairperson) on written notice to the other Party, but each Party shall strive to maintain continuity. The JSC members
shall jointly prepare an agenda and shall direct the preparation of reasonably detailed minutes for each JSC meeting, respectively, which shall be circulated within [*CONFIDENTIAL*] of such meeting and thereafter approved by both Parties as
soon as possible; provided, that in the event of any disagreement it shall be noted in the minutes and finalized with such notation(s). 

(b)    JSC Meetings. The JSC will hold its first meeting as soon as practicable but no later
than [*CONFIDENTIAL*] of Effective Date. At this first meeting, the JSC will address the initial transfer of MEI Know-How provided for in Section 2.4 (Transfer of
Know-How and Materials) and any other topics the Parties deem appropriate. Thereafter, the JSC shall hold meetings at such times as it elects to do so, but in no event shall such meetings be held less
frequently than [*CONFIDENTIAL*]. Meetings may be held in person, or by audio or video teleconference; provided, that unless otherwise agreed by both Parties, at least [*CONFIDENTIAL*] per year shall be held in person, and all in-person JSC meetings shall be held at locations mutually agreed upon by the Parties. Each Party shall be responsible for all of its own expenses of participating in JSC meetings. 

(c)    Non-Member Attendance. Each Party may from
time to time invite a reasonable number of participants, in addition to its representative, to attend JSC meetings in a non-voting capacity; provided, that if either Party intends to have any Third
Party (including any consultant) attend such a meeting, such Party shall provide at least [*CONFIDENTIAL*] prior written notice (to the extent practicable, and otherwise as soon as possible) to the other Party and obtain the other
Party’s approval for such Third Party to attend such meeting, which approval shall not be unreasonably withheld, conditioned or delayed. Such Party shall ensure that such Third Party is bound by confidentiality and non-use obligations consistent with the terms of this Agreement.  

(d)    Working Group. In addition to the JSC, the Parties may establish under the JSC one or
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conduct of activities concerning Development, regulatory, supply of the Product or any other areas of concern (the “Working Group”). Each Party may appoint its own members of
working group with expertise and responsibilities of the areas relevant to the purpose of the Working Group and such member may be replaced from time to time. For clarity, the decision to establish any Working Group requires the mutual agreement of
the Parties and is not a determination that is under the jurisdiction of the JSC; provided, that, once established, Working Groups will report to the JSC and any disagreements on a Working Group will be referred to the JSC for resolution. 

(e)    Appointment Not an Obligation. The appointment of members to the JSC is a right of
each Party and not an obligation and shall not be a “deliverable” as defined in EITF Issue No. 00-21. Each Party shall be free to determine not to appoint members to the JSC. If a Party (the
“non-Appointing Party”) does not appoint members to the JSC, it shall not be a breach of this Agreement, nor shall any consideration be required to be returned, and the other Party (the
“Appointing Party”) shall have the votes and the decision-making power of the non-Appointing Party unless and until such members are appointed by the
non-Appointing Party. 
 (f)    Discontinuation;
Disbandment. Subject to Section 3.2(e) (Appointment Not an Obligation), once established, the JSC shall continue to exist until the first to occur of: (i) the Parties mutually agreeing to disband the JSC; and (ii) MEI providing to
KHK written notice of its intention to disband the JSC. Upon the occurrence of either of the foregoing, (A) the JSC shall disband, have no further responsibilities or authority under this Agreement and will be considered dissolved by the
Parties and (B) any requirement of a Party to provide information or other materials to the JSC shall be deemed a requirement to provide such information or other materials to the other Party and the Parties shall retain their respective
decision making authority in accordance with Section 3.3 (JSC Decision Making) over matters that are subject to the review or approval by the JSC hereunder, with any disputes to be resolved pursuant to Section 14.9 (Dispute Resolution).

 3.3    JSC Decision-Making. All decisions of the JSC shall be made by unanimous vote,
with each Party’s representatives collectively having one (1) vote. If after reasonable discussion and good faith consideration of each Party’s view on a particular matter before the JSC, the representatives of the Parties cannot
reach an agreement as to such matter within [*CONFIDENTIAL*] after such matter was brought to the JSC for resolution, such disagreement shall be referred to the Chief Executive Officer of MEI (or his or her designee) and the Chief Executive
Officer of KHK (or his or her designee) (collectively, the “Executive Officers”) for resolution, who shall use good faith efforts to resolve such matter within [*CONFIDENTIAL*] after it is referred to them. If the Executive
Officers are unable to reach consensus on any such matter during such period, then the Chief Executive Officer of KHK shall have the right to make the final decision except with respect to: [*CONFIDENTIAL*], and in each case of subclauses
[*CONFIDENTIAL*] through [*CONFIDENTIAL*], inclusive, the Chief Executive Officer of MEI shall have the right to make the final decision. Notwithstanding the foregoing, the Parties hereby agree that matters explicitly reserved to the
consent, approval or other decision-making authority of one or both Parties, as expressly provided in this Agreement, are outside the 

  
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jurisdiction and authority of the JSC and not subject to the decision-making process set forth in this Section 3.3 (JSC Decision-Making). 

3.4    Alliance Managers. As soon as practicable after the Effective Date, each Party shall
appoint a representative to act as its alliance manager under this Agreement (the “Alliance Manager”). The Alliance Managers shall serve as a key contact point between the Parties to facilitate the collaboration hereunder. A Party
may replace its Alliance Managers at any time by providing notice in writing to the other Party. 
 ARTICLE 4 

DEVELOPMENT 

4.1    General. Subject to the terms and conditions of this Agreement, KHK shall be
responsible for the Development of the Compound and Products in the Field in the Territory, including conduct of preclinical studies and Clinical Trials that are required by Regulatory Authority in the Territory to support Regulatory Approval of the
Compound and Products in the Field in the Territory. 
 4.2    Development Plan. KHK shall
conduct all Development of the Compound and Products in the Field in the Territory in accordance with a comprehensive development plan (as amended in accordance with this Agreement, the “Development Plan”), including the timelines
set forth therein, the initial version of which is attached to this Agreement as Schedule 4.2. Following the Effective Date, KHK shall deliver an updated Development Plan to include, among other things, the Indications for which the Product
is to be Developed, critical activities to be undertaken, certain timelines, go/no go decision points and relevant decision criteria, and feedback from the PMDA (which PMDA feedback will be reflected in a promptly updated Development Plan that is
provided by KHK to MEI), if applicable. The Development Plan shall be focused on efficiently obtaining Regulatory Approval for the Product in the Field in the Territory, while taking into consideration actual and potential Development, Regulatory
Approval or commercial impacts on the Product outside of the Territory and/or the Field. During the Term, KHK will review the Development Plan from time to time, not less than [*CONFIDENTIAL*] and amend such Development Plan on an ongoing
basis as necessary. Any such amendment to the Development Plan will be reviewed, discussed and approved by the JSC; provided, that, under no circumstances shall KHK conduct any Development activities as part of a Development Plan that would
reasonably be expected to have a material adverse safety effect on the Development or Commercialization of the Compound outside of the Territory. The then-current Development Plan will at all times contain at least that level of detail and cover at
least the same matters (to the extent applicable) as the prior iteration of the Development Plan. 

4.3    Development Diligence. 

(a)    KHK, directly and/or with or through Affiliates or Sublicensees, shall use Commercially
Reasonable Efforts to Develop, and to obtain Regulatory Approval for the 

  
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Compound and Product in the Field in the Territory in accordance with the Development Plan for the Indications of [*CONFIDENTIAL*]. The Parties acknowledge and agree that KHK’s
failure to undertake any Development activities for a period of [*CONFIDENTIAL*] shall be deemed to be a material breach of KHK’s Development diligence obligations under this Section 4.3 (Development Diligence) to the extent that
there are no unexpected material delays in global Clinical Trials conducted by MEI that affect KHK’s Development in the Territory. 

(b)    MEI shall conduct (i) subject to and using Commercially Reasonable Efforts,
[*CONFIDENTIAL*]; provided, that the Parties acknowledge and agree that MEI shall be excused from its obligations under this Section 4.3(b) (Development Diligence) if: [*CONFIDENTIAL*]. 

4.4    Development Costs. KHK shall be solely responsible for the cost for the Development
of Compounds and Products in the Field in the Territory, including all of the costs in connection with seeking Regulatory Approval of the Product in the Territory except as otherwise set forth in Section 6.1 (Development Supply) of this
Agreement. In the case of KHK joining in the Territory [*CONFIDENTIAL*] or its designees, KHK shall [*CONFIDENTIAL*]. In such case, MEI shall invoice KHK from
time-to-time in connection with costs and expenses incurred in connection with the foregoing, and KHK shall pay such invoices within [*CONFIDENTIAL*] of receipt
of an invoice thereof. 
 4.5    Development Records. Each Party shall, and shall cause
its Affiliates and Sublicensees to, maintain, in good scientific manner, complete and accurate books and records pertaining to Development of the Compound and Products hereunder, in sufficient detail to verify compliance with its obligations under
this Agreement. Such books and records shall (a) be appropriate for patent and regulatory purposes, (b) be in compliance with Applicable Law, (c) properly reflect all work done and results achieved in the performance of Development
activities hereunder, (d) record only such activities and not include or be commingled with records of activities outside the scope of this Agreement, and (e) be retained by each Party for [*CONFIDENTIAL*] after the expiration or
termination of this Agreement or for such longer period as may be required by Applicable Law, and during such period, neither Party shall dispose of any such books and records without the prior written consent of the other Party. Both Parties shall
have the right, during normal business hours and upon reasonable notice, to inspect and copy all such books and records maintained pursuant to this Section 4.5 (Development Records), provided that requesting Party shall bear all the costs for
such inspection. 
 4.6    Development Reports. Without limiting Section 4.5
(Development Records), at least [*CONFIDENTIAL*] prior to each meeting of the JSC and in any event not less than [*CONFIDENTIAL*], during which KHK is conducting Development activities hereunder, KHK shall provide the JSC with a
detailed written report of such Development activities it has performed, or caused to be performed, since the preceding report, its Development activities in process, and the future activities it expects to initiate during the following
[*CONFIDENTIAL*] period. Each such report shall contain sufficient detail to enable the JSC to assess KHK’s compliance with its obligations set forth in Section 4.2 (Development Plan) and Section 4.3

  
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(Development Diligence), including: (a) KHK’s, or its Affiliates’ or Sublicensees’ activities with respect to achieving Regulatory Approvals of Products in the Territory;
(b) results of Clinical Trials and other Development activities not otherwise provided under subsection (a) above; and (c) the Regulatory Approvals that KHK or any of its Affiliates reasonably expect to make, seek or attempt to obtain
in the Territory. 
 4.7    Provision of Development Data. During the Term, with no
additional costs to MEI, KHK shall, as soon as reasonably practicable following reasonable request by MEI, provide MEI with copies of all data, as well as all other information requested by MEI, generated by KHK in the conduct of any Clinical Trials
involving the Compound and Product (including all of KHK’s Regulatory Data and KHK Data) that MEI determines would be necessary or useful to Develop the Products outside of the Territory. 

4.8    Compliance. KHK agrees that in performing its obligations and exercising its rights
under this Agreement: (a) it shall comply with all Applicable Laws; and (b) without limiting Section 12.2(b) (Debarment), it will not employ or engage any Person who has been debarred or disqualified by any Regulatory Authority, or is
the subject of debarment or disqualification proceedings by a Regulatory Authority. 

4.9    Subcontractor. Without limiting Section 2.2 (Sublicense Rights) to the extent
applicable, KHK shall have the right to engage subcontractors for the performance of its obligations under the Agreement; provided, however, that KHK shall remain responsible for and be guarantor of the performance by its Affiliates and Third Party
subcontractors and shall cause its Affiliates and Third Party subcontractors to comply with the provisions of this Agreement in connection with such performance, including obligations of confidentiality and
non-use of MEI’s Confidential Information and invention assignment consistent with those contained herein. KHK shall remain responsible and liable for the performance any such subcontractor(s) and KHK
hereby expressly waives any requirement that MEI exhaust any right, power or remedy, or proceed against an Affiliate or a Third Party subcontractor, for any obligation or performance hereunder prior to proceeding directly against KHK. 

ARTICLE 5 
 REGULATORY

 5.1    Regulatory Responsibilities. KHK shall be responsible for all regulatory
activities necessary to obtain and maintain Regulatory Approval of Products in the Field in the Territory. KHK shall keep MEI informed of regulatory developments related to the Compound and Products in the Field in the Territory both via the JSC and
KHK’s reports pursuant to Section 4.6. (Development Reports). 
 5.2    Regulatory
Materials. KHK shall prepare and submit all Regulatory Materials for Products in the Field in the Territory and shall own all Regulatory Materials and Regulatory Approvals for Products in the Field in the Territory. KHK shall timely notify MEI
of all material submissions, filings with any Regulatory Authority and all material notices, correspondences, 

  
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communications, or other filings received from any Regulatory Authority that are related to any Product in the Territory. Moreover, with respect to submission of (i) Marketing Authorization
Application in the Territory, KHK will provide MEI with drafts of such filing and a reasonable English summary of such filing (which summary will include key information) not less than [*CONFIDENTIAL*] prior to submission so that MEI may
review and comment, and (ii) other Regulatory Materials to the any Regulatory Authority in the Territory, KHK will provide MEI with drafts of such submissions and reasonable English summaries of such submissions (which summaries will include
key information) not less than [*CONFIDENTIAL*] prior to document finalization so that MEI may review and comment on them; provided, that any failure by MEI to provide comments within the applicable review period shall not delay
KHK’s submission date. KHK shall consider all comments of MEI in good faith, taking into account the best interests of the Development and/or Commercialization of the Product. For clarity, such English summaries to be provided prior to document
submission or finalization, as applicable, shall include [*CONFIDENTIAL*]. KHK shall also provide to MEI copies of the final submitted version of each Regulatory Material and each granted Regulatory Approval in the Territory and an English
translation of such Regulatory Approval. In addition, upon reasonable request by MEI, KHK shall also provide MEI with any Regulatory Material(s) not previously provided under this Section 5.2 (Regulatory Materials). Upon request by KHK, MEI
shall, subject to the reasonable availability of MEI’s relevant personnel, assist KHK in seeking and obtaining Regulatory Approvals with respect to Product in the Territory, including: [*CONFIDENTIAL*] provided, that MEI shall have no
obligation under this Section 5.2 (Regulatory Materials) (or under any other provision of this Agreement) to assist KHK with respect to regulatory matters in excess of [*CONFIDENTIAL*] and any such assistance provided by MEI in excess of
such limit shall be paid for by KHK at a rate of [*CONFIDENTIAL*] per hour. 

5.3    Regulatory Inspections. If a Regulatory Authority in the Territory desires to conduct
an inspection or audit of MEI’s facilities or facilities under contract with MEI with regard to Manufacturing of the Compound or Product, MEI shall cooperate with such Regulatory Authority during such inspection or audit and shall
[*CONFIDENTIAL*]. As reasonably requested by KHK in a timely manner MEI shall allow representative(s), details of which shall be discussed under the Quality Agreements, from KHK to attend any inspection or audit required by Regulatory
Authority (as and to the extent permitted by such Regulatory Authority and any applicable CMOs) as a silent observer. KHK shall reimburse MEI for any costs MEI incurs under this Section 5.3 (Regulatory Inspections) promptly following receipt of
an invoice for any such costs. Notwithstanding anything to the contrary herein, and without limiting Section 13.5 (Special Indirect and Other Losses), MEI’s liability toward KHK caused by such a CMO’s failure to perform its obligation
under this Section 5.3 (Regulatory Inspections) [*CONFIDENTIAL*] shall be limited to [*CONFIDENTIAL*]. For the avoidance of any doubt, this limitation of liability in the previous sentence shall not affect MEI’s liability
toward KHK under any other Sections of this Agreement. 
 5.4    Regulatory Inspections for
Improper Activities. If any Regulatory Authority (a) contacts KHK or any of its Affiliates or any Sublicensee with respect to the alleged improper 

  
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Development, Packaging, Manufacture or Commercialization of any Product, (b) conducts, or gives notice of its intent to conduct, an inspection at KHK’s or its Affiliate’s or a
Sublicensee’s (including the facilities of any subcontractor(s) of any of the foregoing) facilities used in the Development of Products, or (c) takes, or gives notice of its intent to take, any other regulatory action with respect to any
activity of KHK or its Affiliates or a Sublicensee that could reasonably be expected to adversely affect any Development, Packaging, Manufacture or Commercialization activities with respect to the Product in or outside of the Territory, then KHK
will (i) promptly notify MEI of such contact, inspection or notice and (ii) provide copies of all reports and correspondence received from or provided to any such Regulatory Authority in connection with any of the matters identified in the
foregoing clauses (a), (b) or (c). In addition, MEI shall have the right to attend any such meetings or inspections to the extent not prohibited by such Regulatory Authority. 

5.5    Sharing of Regulatory Data and Filings; Pricing Approval Documentation. 

(a)    MEI; MEI Licensees. MEI shall make available (1) MEI’s, its
Affiliates’ or its licensee’s material Regulatory Data and material Regulatory Materials to KHK, in each case, solely to the extent specific to the Clinical Trials described in subclauses (ii) and (iii) of Section 4.3(b)
(Development Diligence), and (2) [*CONFIDENTIAL*], which will be used for a MAA submission for Product in the United States, to KHK, its Affiliates, and Sublicensees, for no additional consideration, for use solely in the Development and
Commercialization of the Compound and the Products in the Field in the Territory by KHK, its Affiliates or Sublicensees, which was not previously provided to KHK under Section 2.4(a) (Transfer of Know-How
and Materials) and solely for use in exercising the rights licensed to KHK hereunder.    MEI shall ensure that all licensees of MEI shall be required to provide such material Regulatory Data and material Regulatory Materials to
MEI for use by KHK. Without prejudice to the foregoing, MEI shall use Commercially Reasonable Efforts to make available other material Regulatory Data and material Regulatory Materials (i.e., other than such related to the Clinical Trials referenced
above) of MEI or its Affiliates or its licensees to KHK, its Affiliates, and Sublicensees (by way of MEI and not directly to any such entities), for no additional consideration, for use solely in the Development, Packaging and Commercialization of
the Products in the Field in the Territory. 
 (b)    KHK. 

(i)    KHK shall make available KHK’s, its Affiliates’, and its Sublicensees’ material
Regulatory Data and material Regulatory Materials to MEI, its Affiliates, and licensees, for no additional consideration, for use solely in the Development and Commercialization of the Compound and the Products outside the Territory and
Manufacturing of the Compound and the Products. MEI shall not provide any Regulatory Data or Regulatory Materials of KHK, its Affiliates, or Sublicensees to any of MEI’s licensees who do not agree pursuant to Section 5.5(a) (MEI; MEI
Licensees) to permit its Regulatory Data and Regulatory Materials related to the Clinical Trials described in subclauses (i) and (ii) of Section 4.3(b) (Development Diligence) to be shared with KHK, its Affiliates, and its Sublicensees.

  
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 (ii)    Upon MEI’s reasonable request, from time-to-time, KHK shall provide to MEI KHK’s, its Affiliates’, and its Sublicensees’ materials, including correspondence and submissions, related to negotiating
for, obtaining, and maintaining Pricing Approval and shall discuss the same with MEI upon MEI’s request.  

(c)    Maintenance. Each Party shall provide its Regulatory Data and Regulatory Materials,
and each Party shall receive and maintain the other Party’s Regulatory Data and Regulatory Materials, in conformity with all Applicable Laws (including data privacy laws) and in a good scientific manner appropriate for patent and regulatory
purposes. The Parties acknowledge and agree that it may be necessary to amend and supplement this Agreement, or to enter into one or more separate agreements, in order to facilitate compliance with applicable data privacy laws. 

5.6    Rights of Reference. MEI hereby grants KHK the right to use and reference all
Regulatory Materials (including data contained therein) and Regulatory Approvals for the Compound and Products outside the Territory submitted by or on behalf of MEI, its Affiliates or licensees (to the extent that MEI has the right to grant such
cross reference rights on behalf of its licensee(s)), which right may be used by KHK only in the Field in the Territory [*CONFIDENTIAL*] to KHK. MEI shall use Commercially Reasonable Efforts to cause all relevant licensees of MEI to grant
such cross reference rights, with right to sublicense to KHK, provided that if MEI, its Affiliates or its licensees does not grant such cross reference rights to KHK to either or both of the Clinical Trials described in subclauses (ii) and/or
(iii) of Section 4.3(b) (Development Diligence), then KHK [*CONFIDENTIAL*] that is the subject of such Clinical Trial(s) for which such cross reference rights are not granted (and, accordingly, [*CONFIDENTIAL*] which relate
to such Clinical Trial(s)). KHK hereby grants MEI the right to use and reference all Regulatory Materials (including data contained therein) and Regulatory Approvals for the Compound and Products in the Territory submitted by or on behalf of KHK,
its Affiliates or Sublicensees, which right may be used by MEI only outside the Territory [*CONFIDENTIAL*] to MEI. KHK shall cause all relevant Sublicensees of KHK to grant such cross reference rights, with right to sublicense to MEI. Each
Party shall execute any documentation that is reasonably requested by the other Party to facilitate the exercise of such rights of reference. MEI shall not provide any cross-reference rights of KHK, its Affiliates, or Sublicensees to any of
MEI’s licensees who do not agree to permit its Regulatory Materials to be cross-referenced by KHK, its Affiliates, and its Sublicensees. 

5.7    Remedial Actions. Each Party will notify the other Party immediately, and promptly
confirm such notice in writing, if it obtains information indicating that a Product may be subject to any recall, withdrawal, corrective action or other regulatory action with respect to the Product taken by virtue of Applicable Laws (a
“Remedial Action”). The Parties will assist each other in gathering and evaluating such information as is necessary to determine the necessity of conducting a Remedial Action. KHK shall have the sole discretion with respect to any
matters relating to any Remedial Action with respect to any Product in the Field in the Territory, including the decision to commence such Remedial Action and the control over the conduct of such Remedial Action, provided that KHK shall notify MEI
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Remedial Action and shall keep MEI regularly informed regarding any such Remedial Action. KHK shall be solely responsible for the cost and expense of any such Remedial Action in the Field in the
Territory. MEI shall have the sole discretion with respect to any matters relating to any Remedial Action with respect to any Product outside the Territory, including the decision to commence such Remedial Action and the control over the conduct of
such Remedial Action, provided that MEI shall notify KHK prior to making any public disclosure of Remedial Action and shall keep KHK regularly informed regarding any such Remedial Action. MEI shall be solely responsible for the cost and expense of
any such Remedial Action outside the Territory. Notwithstanding anything to the contrary in this Section 5.7 (Remedial Actions), the Parties acknowledge and agree that supply and/or quality agreements between the Parties may vary and/or augment
the rights and responsibilities of the Parties with respect to Remedial Actions. Without prejudice to other rights and remedies set forth in this Agreement, or any other agreement executed pursuant to this Agreement, including the Clinical Supply
Agreement, the Commercial Supply Agreement, the Pharmacovigilance Agreement and the Quality Agreements, all internal and external costs (excluding any costs or damages arising from a Claims by a Third Party to which a Party is entitled to
indemnification under Article 13 (Indemnification; Liability)) incurred by the Parties in connection with implementing a recall or withdrawal (a “Recall”) with respect to the Product in the Field in the Territory (“Recall
Costs”) shall be allocated between MEI and KHK as follows: . 
 (a)    [*CONFIDENTIAL*]

 (b)    [*CONFIDENTIAL*] 

(c)    [*CONFIDENTIAL*] 

5.8    Pharmacovigilance. As soon as practicable, but in any case within [*CONFIDENTIAL*]
from the Effective Date, the Parties shall define and finalize the actions that the Parties shall employ with respect to the Compound and Products to protect patients and promote their well-being in a written pharmacovigilance agreement (the
“Pharmacovigilance Agreement”), with MEI (or its designee) as the global safety database holder. Absent the execution of a Pharmacovigilance Agreement, KHK shall not ship Product to any clinical study site in the Territory. These
responsibilities shall include mutually acceptable guidelines and procedures for the receipt, investigation, recordation, communication, and exchange (as between the Parties) of adverse event reports and any other information concerning the safety
of the Compound and Products and shall ensure that adverse event associated with the Products and other safety information is exchanged according to a schedule that will permit each Party (and its designees or, solely with respect to MEI, its other
licensees) to comply with Applicable Laws and regulatory requirements in their Respective Territories. Such guidelines and procedures shall be in accordance with, and enable the Parties to fulfill, local and national regulatory reporting obligations
under applicable laws and regulations. 
 5.9    Personally-Identifiable Data / GDPR
Compliance. All Confidential Information containing personally-identifiable data or personal data (as defined in the General Data Protection 

  
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Regulation (EU) 2016/679 (“GDPR”)) shall be processed by KHK and its Affiliates, sublicensees, and subcontractors in accordance with all data protection and privacy laws, rules
and regulations applicable to such data, and in accordance with the GDPR Joint Controller and Onward Transfer Agreement attached in Schedule 5.9 (“GDPR Agreement”), and contemporaneously executed with the execution of this
Agreement, and other agreements that are reasonably required to achieve or to ensure full GDPR compliance and/or compliance of either Party with national laws and regulations for such personally-identifiable data or personal data. 

ARTICLE 6 
 MANUFACTURING

 6.1    Development Supply. MEI shall [*CONFIDENTIAL*] the Product, Compound,
placebo and other related materials (including empty capsules, empty bottles and caps for the bottles, reference standards and impurities) (collectively, “Supply Items”) to KHK for use in the Development of the Product in the
Territory, without further consideration by KHK to MEI, other than that set forth in Article 8 (Financial Provisions) below. The Supply Items shall be made available to KHK FCA (as defined in INCOTERMS 2010) at the warehouse locations specified in
Schedule 6.1. For clarity, KHK shall bear all costs related to shipping, Taxes, and acceptance testing associated with such supply. Subject to the specific costs that KHK is responsible for in accordance with this Section 6.1
(Development Supply), Supply Items supplied for Development purposes and used in accordance with the Development Plan will be provided [*CONFIDENTIAL*]. 

(a)    Initial Supply. MEI shall [*CONFIDENTIAL*] the Supply Items to KHK up to the
amounts and in the forms set forth on Schedule 6.1 and on the timing set forth in such schedule. MEI shall make available to KHK the Supply Items up to the amounts and in the forms specified on Schedule 6.1 with appropriate
documentation (i.e., appropriate certificates of analysis and/or compliance, as applicable). 

(b)    Further Development Supply. Within [*CONFIDENTIAL*] of the Effective Date, the
Parties shall enter into a supply agreement which shall include customary provisions to address the forecasting, order, delivery, and other customary provisions applicable to the supply of the Supply Items for Development purpose after the supply
set forth in Section 6.1(a) (Initial Supply) (the “Clinical Supply Agreement”). MEI shall [*CONFIDENTIAL*] the Supply Items to KHK with the amounts and in the forms, and on the timing set forth in Clinical Supply
Agreement, which KHK agrees to accept in accordance with the Clinical Quality Agreement. MEI shall make available to KHK the Supply Items with appropriate documentation (i.e., appropriate certificates of analysis and/or compliance, as applicable in
accordance with the Clinical Quality Agreement) following receipt of a written request therefor from KHK that specifies the quantities and forms desired. Following discussions with the PMDA and/or a change to the Development Plan that is approved in
writing by MEI, KHK may request changes to the amounts, forms and timing of the supply of the Supply Items set forth in this Section 6.1(b) (Further Development Supply) which the Parties shall discuss in good faith under the governance of
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comply with such requests by KHK. Notwithstanding forgoing, in case, after completion of KHK’s first [*CONFIDENTIAL*] in the Territory, there is an amendment to the Development Plan
for the Product to be Developed in the Territory with [*CONFIDENTIAL*], onward supply of [*CONFIDENTIAL*] for Development purposes will be provided to KHK [*CONFIDENTIAL*] and further manufacturing and supply, including
commercial supply and which Party will be responsible for supplying such, shall be discussed in good faith between the Parties. 

6.2    Packaging; Certain Other Manufacturing Activities. Subject to the remainder of this
Section 6.2 (Packaging; Certain Other Manufacturing Activities), MEI shall supply the Product to KHK in its bulk capsule form unless otherwise defined and/or agreed by the Parties. KHK or its designated Third Party shall be responsible (at its
sole cost and expense) for all final Product labeling and packaging (whether in commercial or clinical packaging presentation), including packaging the capsules to its primary package, secondary packaging, insertion of materials such as patient
inserts, providing patient medication guides, professional inserts and any other written, printed or graphic materials accompanying the Product and considered to be part of the finished Product packaging and labeling, and handling storage, quality
control, quality assurance, testing and release of Product (collectively, “Package” or “Packaging”). For clarity, KHK’s Packaging responsibilities apply to the Product supplied by MEI under
Section 6.1 (Development Supply) and Section 6.3 (Commercial Supply). KHK or its designated Third Party shall ensure that all such Packaging complies with Applicable Laws and the Regulatory Approvals for the Product. To the extent that a
Third Party is involved in Packaging or other activities described in this Section 6.2 (Packaging; Certain Other Manufacturing Activities), KHK shall be wholly responsible for, and bear one hundred percent (100%) of the costs related to,
qualifying such Third Party to perform such activities. Notwithstanding the foregoing, MEI shall be responsible for the physical performance of Packaging for global Clinical Trials, including the portion of any such Clinical Trials in the Territory;
provided, that KHK shall be responsible for the costs associated with such Packaging for Product to be used in the Territory in accordance with Section 4.4 (Development Costs). 

6.3    Commercial Supply. MEI shall Manufacture, or arrange for a Third Party to
Manufacture, and [*CONFIDENTIAL*] all of KHK’s requirements of the Product for commercial sale in the Field in the Territory in accordance with a commercial supply agreement, which shall include customary provisions to address the
forecasting, order, delivery and other customary provisions applicable to the commercial supply of pharmaceuticals from a licensor to a licensee (“Commercial Supply Agreement”). MEI shall [*CONFIDENTIAL*] the Product to KHK
in accordance with the conditions set forth in Commercial Supply Agreement, which KHK agrees to accept in accordance with the Commercial Quality Agreement. MEI shall make available to KHK the Product with appropriate documentation (i.e., appropriate
certificates of analysis and/or compliance, as applicable in accordance with the Commercial Quality Agreement) following receipt of a written request therefor from KHK that specifies the quantities and forms desired. The Commercial Supply Agreement
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the Effective Date; provided, that the Parties acknowledge and agree that the supply price for Product intended for Commercial purposes will be [*CONFIDENTIAL*]. 

6.4    Quality Agreements. 

(a)    At the same time that the Parties enter into the Clinical Supply Agreement, the Parties shall
enter into a quality agreement which shall include customary provisions to address the quality of the Product and related regulatory issues, Parties’ audit rights relating thereto, product specifications and other customary provisions
applicable to the clinical supply of the pharmaceuticals (the “Clinical Quality Agreement”). 

(b)    At the same time that the Parties enter into the Commercial Supply Agreement, the Parties
shall enter into a quality agreement which shall include customary provisions to address the quality of the Product and related regulatory issues, Parties’ audit rights relating thereto, product specifications and other customary provisions
applicable to the commercial supply of pharmaceuticals (the “Commercial Quality Agreement”). MEI shall use Commercial Reasonable Effort, but shall not be obligated to incur any costs, to cause MEI CMOs to be a party to the
Commercial Quality Agreement if required by Applicable Law. Clinical Quality Agreement and the Commercial Quality Agreement are collectively “Quality Agreements”. 

6.5    Manufacturing Option. 

(a)    MEI hereby grants KHK an option under MEI Technology to Manufacture and to have Manufactured
the Compound and/or the Product in the Territory or outside of the Territory exclusively for Development and Commercialization in the Territory, which can be exercised by written notice from KHK to MEI (i) in the event that MEI experiences a
“supply failure” with respect to supplying the Compound or Product to KHK under the Commercial Supply Agreement as “supply failure” is defined in the Commercial Supply Agreement and/or Commercial Quality Agreement; (ii) if
MEI’s cost of Manufacturing under the Commercial Supply Agreement increases by more than [*CONFIDENTIAL*] from one Calendar Year to the next for reasons other than raw material costs; or (iii) for a period of [*CONFIDENTIAL*]
starting [*CONFIDENTIAL*] prior to the anticipated expiration of the Term (the “Manufacturing Option”); provided, that, the Manufacturing Option shall expire [*CONFIDENTIAL*] prior to the anticipated expiration of
the Agreement. 
 (b)    If the Manufacturing Option is exercised, then: 

(i)    for a transition period of not less than [*CONFIDENTIAL*] (but only longer if the Parties
mutually agree) MEI shall continue to supply the Compound and/or the Product to KHK for Development and Commercialization (in accordance with, as applicable, this Agreement or one or more separate supply agreement(s) between the Parties) (the
“Transition Period”). MEI shall have no obligation to supply KHK with the Compound and/or Product after the Transition Period. 

  
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 (ii)    during Transition Period, MEI shall make
available and transfer to KHK, copies of existing embodiments of the MEI Know-How in MEI’s possession that are necessary or reasonably useful in, and as of such date are being used by MEI to, Manufacture
of the Compound and Products solely for KHK to Manufacturer or have Manufactured (to the extent permitted by this Agreement) the Compound and Products in accordance with the terms and conditions of this Agreement with no additional consideration
during Transition Period. Subject to the proviso in the foregoing sentence, MEI shall use Commercially Reasonable Efforts to provide KHK with reasonable assistance to facilitate the practice of such Manufacturing rights by KHK, its Affiliate or its
Sublicensee. In the event that KHK elects to have one or more of MEI’s existing contract manufacturers to Manufacture the Product and/or Compound for the Territory, MEI shall reasonably cooperate to allow KHK to enter into a direct contract
manufacturing agreement with such contract manufacturers. Any Product Manufactured by KHK pursuant to the foregoing rights shall be exclusively sold in the Territory. Any regulatory activities that are necessary for KHK to engage the foregoing
Manufacture of the Product or the Compound shall be conducted by the Parties in accordance with Section 4.3 (Development Diligence). 

ARTICLE 7 

COMMERCIALIZATION 

7.1    General. Subject to the terms and conditions of this Agreement, KHK shall be
responsible for all aspects of the Commercialization of the Products in the Field in the Territory, including, solely with respect to the Products in the Field in the Territory: (a) developing and executing a commercial launch and pre-launch plan, (b) negotiating with applicable Government Authorities in the Territory regarding the price and reimbursement status of the Products and obtaining and maintaining the NHI Price Approvals;
(c) marketing, medical affairs, and promotion; (d) booking sales and distribution and performance of related services; (e) handling all aspects of order processing, invoicing and collection, inventory and receivables;
(f) providing customer support, including handling medical queries, and performing other related functions; and (g) conforming its practices and procedures to Applicable Law relating to the marketing, detailing and promotion of Products in
the Field in the Territory. As between the Parties, KHK shall be solely responsible for the costs and expenses of Commercialization of the Products in the Field in the Territory. 

7.2    Commercialization Plan. KHK shall conduct all Commercialization of Products in the
Field in the Territory in accordance with a comprehensive commercialization plan that is consistent with this Agreement (as amended in accordance with this Agreement, the “Commercialization Plan”), the initial version of which KHK
will prepare and provide to the JSC for review no later than [*CONFIDENTIAL*] after initial submission of Marketing Authorization Application of Product in the Field in the Territory, and such plan will include a pricing strategy for the
Product. From time to time, but at least once every [*CONFIDENTIAL*], KHK will update the Commercialization Plan and submit such updated plan to the JSC for review and discussion. Notwithstanding anything to the contrary herein, if the terms
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this Agreement, then the terms of this Agreement shall govern and KHK shall perform relevant activities in accordance with this Agreement and not the Commercialization Plan. 

7.3    Commercial Diligence. KHK, directly and/or with or through Affiliates or
Sublicensees, shall use Commercially Reasonable Efforts to Commercialize, and optimize the commercial potential for, the Products that received Regulatory Approval in the Field in the Territory. Without limiting the foregoing, in connection with the
Commercialization of Products in the Field in the Territory: 
 (a) KHK shall promote Products in a professional,
diligent and honest manner in accordance with Applicable Law and industry standards; 
 (b) KHK shall not
(A) sell any Product as part of a bundle with any other products, (B) utilize deceptive, misleading or unethical business practices or (C) take any action or inaction that would reasonably be likely to prejudice the value of any
Product; 
 (c) KHK shall seek a daily NHI Price equal to or greater than [*CONFIDENTIAL*]; and 

(d) KHK shall undertake a First Commercial Sale within [*CONFIDENTIAL*] of the NHI Price listing for a Product in
the Territory. 
 7.4    Creation of Promotional Materials. KHK will create and develop
materials for marketing, advertising and promoting of the Products in the Field in the Territory (“Promotional Materials”) in accordance with the Regulatory Approvals and Applicable Laws and at KHK’s sole cost and expense. To
the extent KHK includes any MEI corporate trademarks in the Promotional Materials for the Territory, KHK shall comply with MEI’s then current guidelines for trademark usage. KHK will review all Promotional Materials and programs in connection
with the Commercialization of Products prior to use thereof to ensure that all are in accordance with the Commercialization Plan, the Regulatory Approvals and Applicable Laws. KHK shall provide MEI with copies of final versions of material
Promotional Materials which are prepared in connection with the First Commercial Sale of the Product and that KHK is intending to use in connection with Commercialization the Products and any change to the key message(s) contained in such
Promotional Materials. 
 7.5    Commercialization Reports. [*CONFIDENTIAL*],
commencing upon KHK’s, any of its Affiliates’ or any Sublicensee’s first filing for Marketing Authorization Application of a Product in the Territory and thereafter, KHK shall provide to the JSC with detailed written reports of such
Commercialization activities it, any of its Affiliates or any Sublicensee has performed, or caused to be performed, since the preceding report and the future activities it expects to initiate during the following [*CONFIDENTIAL*] period. Each
such report shall contain sufficient detail to enable the JSC to assess KHK’s compliance with its obligations set forth in Sections 7.2 (Commercialization Plan) and 7.3 (Commercial Diligence), including, in each case, Net Sales for such
Product in the Territory. 

  
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 7.6    Compliance with Applicable Law. KHK
shall, and shall ensure that its Affiliates and Sublicensees shall, in all material respects conform their practices and procedures relating to the Commercialization of the Products and educating the medical community in the Territory with respect
to the Products to any applicable industry association regulations, policies and guidelines, as the same may be amended from time to time, and Applicable Law. 

7.7    Training. KHK shall be solely responsible for training, and all costs associated with
such training, its employees and representatives engaged in activities under this Agreement. Such training shall be in accordance with Applicable Laws, including with respect to timely reporting of any adverse events with respect to the Products.

 ARTICLE 8 

FINANCIAL PROVISIONS 

8.1    Upfront Payment. (i) Within thirty (30) days after the Effective Date or
(ii) thirty (30) days following KHK’s receipt from MEI of the tax forms provided to MEI under Section 8.8(d) (Tax Cooperation), whichever comes later, KHK shall pay to MEI a one-time, non-refundable and non-creditable upfront payment of ten million Dollars ($10,000,000). 

8.2    Development and Regulatory Milestone Payments. Within [*CONFIDENTIAL*] after
the first achievement of each milestone event below by or on behalf of KHK or any of its Affiliates or Sublicensees, KHK shall notify MEI of the achievement of such milestone event and pay to MEI the applicable
non-refundable, non-creditable milestone payment corresponding to such milestone event as shown below. 

 

			
	 Development or Regulatory Milestone
Events
	  	 Milestone Payments (in
U.S.
Dollars)

	 [*CONFIDENTIAL*]
	  	 [*CONFIDENTIAL*]

	 [*CONFIDENTIAL*]
	  	 [*CONFIDENTIAL*]

	 [*CONFIDENTIAL*]
	  	 [*CONFIDENTIAL*]

	 [*CONFIDENTIAL*]
	  	 [*CONFIDENTIAL*]

	 [*CONFIDENTIAL*]
	  	 [*CONFIDENTIAL*]

 [*CONFIDENTIAL*]. 

  
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 [*CONFIDENTIAL*]. 

[*CONFIDENTIAL*]. 

[*CONFIDENTIAL*]. 
 .

 8.3    Commercial Milestones. 

(a)    Within [*CONFIDENTIAL*] after the annual Net Sales for a Calendar Year reach any
threshold indicated in the milestone events listed below, KHK shall notify MEI of the achievement of such milestone event and pay to MEI the corresponding non-refundable,
non-creditable milestone payment set forth below. 
  

			
	 Annual Net Sales Milestone
Events
	  	 Milestone Payments

	 [*CONFIDENTIAL*]
	  	 [*CONFIDENTIAL*]

	 [*CONFIDENTIAL*]
	  	 [*CONFIDENTIAL*]

	 [*CONFIDENTIAL*]
	  	 [*CONFIDENTIAL*]

 (b)    For purposes of determining whether a Net Sales milestone
event has been achieved, Net Sales of all Products in the Territory shall be aggregated. For clarity, the annual Net Sales milestone payments set forth in this Section 8.3 (Commercial Milestones) shall be payable only once for all Products,
upon the first achievement of the applicable milestone event. 
 (c)    If a Milestone Event in
Section 8.3 (Commercial Milestones) is achieved and payment with respect to any previous milestone event has not been made, then such previous milestone event shall be deemed achieved, MEI shall invoice KHK for such unpaid previous milestone
event(s) and KHK shall pay MEI such unpaid previous milestone payment(s) within thirty (30) days of receipt of such invoice. 

8.4    Royalty Payments. 

(a)    KHK shall pay to MEI non-refundable, non-creditable royalties on aggregate annual Net Sales of all Products in the Territory in each Calendar Year (“Aggregate Annual Net Sales”) at the applicable rate(s) set forth below, with such
royalties to be calculated 

  
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by multiplying the applicable incremental amount of Aggregate Annual Net Sales in such Calendar Year by the corresponding royalty rate set forth in the table below:  

 

			
	 Aggregate Annual [*CONFIDENTIAL*] Net
Sales of the Products
	  	 Royalty Rates

	 [*CONFIDENTIAL*]
	  	 [*CONFIDENTIAL*]

	 [*CONFIDENTIAL*]
	  	 [*CONFIDENTIAL*]

	 [*CONFIDENTIAL*]
	  	 [*CONFIDENTIAL*]

 (b)    Royalty Term. Royalties under this Section 8.4
(Royalty Payments) shall be payable on a Product-by-Product basis from the First Commercial Sale of such Product in the Territory until the latest of:
(i) expiration of the last-to-expire Valid Claim of the MEI Patents that Covers the composition of matter, pharmaceutical composition, Manufacture, use or sale of
such Product (or the Compound contained therein) in the Territory; (ii) expiration of Regulatory Exclusivity for such Product in the Territory; or (iii) [*CONFIDENTIAL*] after the First Commercial Sale of the Product in the Territory
(the “Royalty Term” for such Product). 
 (c)    Royalty Reports and
Payment. KHK shall calculate all Royalty Payments payable to MEI pursuant to this Section 8.4 (Royalty Payments) with respect to Net Sales at the end of each Calendar Quarter, which amounts shall be converted to Dollars at such time in
accordance with Section 8.6 (Currency Conversion). KHK shall pay to MEI the royalty payment due for Net Sales during a given Calendar Quarter within [*CONFIDENTIAL*] after the end of such Calendar Quarter. Each royalty payment due shall
be accompanied by (i) a statement of the amount of gross sales of each Product during the applicable Calendar Quarter (including such amounts expressed in local currency and as converted to Dollars), (ii) an itemized calculation of Net Sales
showing deductions from gross sales provided for in the definition of “Net Sales” during such Calendar Quarter, and (iii) a statement of the prices and the number of units of Products sold. KHK shall be responsible for the proper
accounting of Net Sales by or on behalf of its Affiliates and Sublicensees. 
 (d)    Blended
Royalty. KHK acknowledges that (i) the MEI Know-How and the information included in MEI’s Regulatory Materials licensed to KHK are proprietary and valuable and that without the MEI Know-How and such information, KHK would not be able to obtain and maintain Regulatory Approvals with respect to the Products, (ii) such Regulatory Approvals will allow KHK to obtain and maintain Regulatory
Exclusivity with respect to the Products in the Field in the Territory, (iii) access to the MEI Know-How and the rights with respect to the MEI’s Regulatory Materials will have provided KHK with a
competitive advantage in the marketplace beyond the exclusivity afforded by the MEI Patents and Regulatory Exclusivity and (iv) the upfront payment and royalties set forth in Sections 8.1 (Upfront Payment) and 8.4 (Royalty Payments),
respectively, are, in part, intended to compensate MEI for such exclusivity and such competitive advantage. The Parties agree that the royalty rate set forth in Section 8.4(a) (Royalty 

  
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Payments) reflects an efficient and reasonable blended allocation of the value provided by MEI to KHK. 

8.5    Royalty Adjustments. Except as otherwise set forth in this Agreement, royalties due
hereunder are subject to adjustment as set forth below (such adjustments to be prorated for the Calendar Quarter in which the adjustment becomes applicable), provided, however, that the royalties payable under Section 8.4(a) (Royalty Payments)
shall not be reduced by more than [*CONFIDENTIAL*] of the amounts set forth in Section 8.4(a) (Royalty Payments) by any or all reasons of the adjustments set forth below. 

(a)    Royalty Adjustment for Third Party License Payments. If a license to any Third Party
Patent is entered under Section 9.5 (Third Party Intellectual Property Rights), then the amount of royalties payable under Section 8.4(a) (Royalty Payments) with respect to the Territory shall be adjusted in accordance with
Section 9.5 (Third Party Intellectual Property Rights). 
 (b)    Royalty Adjustment for
Generic Competition. If a Generic Product receives Regulatory Approval and is sold in the Territory, then for so long as such Generic Product is being sold in the Territory the royalties payable to MEI on the sales of such Product shall be
reduced by [*CONFIDENTIAL*]. 
 (c)    Royalty Adjustment for Pricing. If the
Royalty Term is continuing with respect to a given Product on or after the date that is [*CONFIDENTIAL*] after the date that the NHI Price is first listed for such Product in the Territory, then the royalties payable to MEI on the sales of
such Product shall be reduced by [*CONFIDENTIAL*]. 
 8.6    Currency Conversion.
All payments hereunder shall be made in United States Dollars. For the purpose of calculating any sums due under, or otherwise reimbursable pursuant to, this Agreement (including the calculation of Net Sales expressed in currencies other than
Dollars), any amount expressed in a foreign currency shall be converted into Dollars in a manner consistent with KHK’s normal practices used to prepare its audited financial statements for external reporting purposes, in accordance with GAAP,
consistently applied, or by using the Wall Street Journal or Reuters, at KHK’s discretion. 

8.7    Late Payments. Any amount required to be paid by KHK hereunder which is not paid on
the date due shall accrue interest from the date due at the rate of the one-month London Interbank Offered Rate as quoted in the Wall Street Journal (or if it no longer exists, similarly authoritative source)
plus [*CONFIDENTIAL*] basis points; provided, however, that in no event shall such rate exceed the maximum legal annual interest rate. The payment of such interest shall not limit MEI from exercising any other rights it may have as a
consequence of the lateness of any payment. Such interest shall be computed on the basis of a year of three hundred sixty (360) days for the actual number of days payment is delinquent. 

  
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 8.8    Taxes and Withholding. 

(a)    Taxes on Income. Notwithstanding anything else set forth in this Section 8.8
(Taxes and Withholding), each Party shall solely bear and pay all Taxes imposed on such Party’s net income (however denominated) franchise Taxes, and branch profits Taxes, in each case, imposed as a result of such Party being organized under
the laws of, or having an permanent establishment or office located in, the jurisdiction imposing such Tax (or any political subdivision thereof). 

(b)    VAT. The Parties agree to cooperate with one another and use reasonable efforts to
ensure that any value added tax or similar payment (“VAT”) in respect of any payments made by KHK to MEI under this Agreement does not represent an unnecessary cost in respect of payments made under this Agreement; provided, that
the Parties further agree that as of the Effective Date it is not anticipated that VAT will apply in connection with payments under this Agreement. For purposes of clarity, all sums payable under this Agreement shall be exclusive of VAT. In the
event that any VAT is owing in any jurisdiction in respect of any such payment, KHK shall pay such VAT, and (i) if such VAT is owing as a result of any action by KHK, including any assignment or sublicense (including assignment to, or payment
hereunder by, a KHK-related entity or Affiliate), or any failure on the part of KHK or its Affiliates to comply with applicable tax laws or filing or record retention requirements, that has the effect of
modifying the tax treatment of the Parties hereto, then the payment in respect of which such VAT is owing shall be made without deduction for or on account of such VAT to ensure that MEI receives a sum equal to the sum which it would have received
had such VAT not been due or (ii) otherwise, such payment shall be made after deduction of such VAT. In the event that any deducted VAT is later recovered by KHK, KHK shall promptly reimburse MEI for the deducted amount. For the sake of
clarity, any increase in payments to MEI under this Section (b) (VAT) shall reflect only the incremental increase in VAT directly resulting from clause (i) above. In the event that any VAT is owing in any jurisdiction in respect of any such
payment, MEI will provide to KHK tax invoices showing the correct amount of VAT in respect of such payments hereunder. 

(c)    Withholding Tax Matters. If KHK is required to make a payment to MEI subject to a
deduction of tax or withholding tax, the sum payable by KHK (in respect of which such deduction or withholding is required to be made) shall be made to MEI after deduction of the amount required to be so deducted or withheld, which deducted or
withheld amount shall be remitted to the appropriate Governmental Authority in accordance with Applicable Laws. Any such withholding taxes required under Applicable Laws to be paid or withheld shall be an expense of, and borne solely by MEI. 

(d)    Tax Cooperation. To the extent KHK is required to deduct and withhold taxes on any
payments to MEI, KHK shall pay the amounts of such taxes to the proper Governmental Authority in a timely manner and promptly transmit to MEI an official tax certificate or other evidence of such withholding reasonably sufficient to enable MEI to
claim such payments of taxes. MEI shall provide to KHK any tax forms that may be reasonably necessary in order for KHK not to withhold tax or to withhold tax at a reduced rate under an applicable bilateral

  
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income tax treaty. MEI shall use reasonable efforts to provide any such tax forms to KHK at least thirty (30) days prior to the due date for any payments for which the MEI desires that KHK
apply a reduced withholding rate. Each Party shall provide the other with reasonable assistance to enable the recovery or reduction, as permitted by Applicable Laws, of withholding taxes, VAT, or similar obligations resulting from payments made
under this Agreement, such recovery to be for the benefit of the Party bearing such withholding tax or VAT. 

8.9    Financial Records and Audit. KHK shall keep full, true and accurate records and books
of account containing all particulars that may be necessary for the purpose of confirming the accuracy of, and calculating, as applicable, all royalty payments and other amounts due to MEI hereunder (including records of Net Sales), during the Term
and for [*CONFIDENTIAL*] thereafter or such longer period as required by Applicable Laws. MEI shall have a right to request [*CONFIDENTIAL*] audit of KHK [*CONFIDENTIAL*] throughout the Term in order to confirm the accuracy of
the foregoing (an “Audit”); provided, that, such [*CONFIDENTIAL*] limitation shall not apply in the event of any subsequent “for cause” audit. Upon the written request by MEI to Audit KHK, MEI shall
have the right to engage an independent, internationally recognized accounting firm reasonably acceptable to KHK and which will be subject to appropriate written obligations of confidentiality, to perform a review as is reasonably
necessary to enable such accounting firm to calculate or otherwise confirm the accuracy of any of the foregoing for the Calendar Year(s) requested by MEI. KHK, shall make personnel reasonably available during regular business hours to answer queries
on all such books and records required for the purpose of the Audit. The accountants shall deliver a copy of their findings to each of the Parties within [*CONFIDENTIAL*] of the completion of the review, and, in the absence of fraud or
manifest error, the findings of such accountant shall be final and binding on each of the Parties. Any underpayments by KHK shall be paid to MEI within [*CONFIDENTIAL*] of notification of the results of such Audit. Any overpayments made by
KHK shall be refunded by MEI within [*CONFIDENTIAL*] of notification of the results of such Audit. The cost of the accountants shall be the responsibility of MEI unless the accountants’ calculation shows that the actual royalties
payable, Net Sales and/or any other applicable amount Audited hereunder (in the aggregate with respect to the entire period audited) to be different, by more than [*CONFIDENTIAL*], than the amounts as paid and reported by KHK for the period
subject to the Audit, in which case KHK shall bear the costs of the accountants. Any information obtained during such audit shall be treated as Confidential Information. In the event that MEI has a good faith basis, which shall be shared with KHK,
for believing that a Sublicensee of KHK is not accurately reporting Net Sales (and thus that KHK is not making appropriate royalty payments hereunder), then at MEI’s request, KHK shall enforce its audit rights with respect to any such
Sublicensee and KHK shall report back to MEI regarding the outcome of any such audit. 

8.10    Financial Adjustments. In case it appears likely that the [*CONFIDENTIAL*],
the Parties shall discuss and negotiate in good faith regarding potential adjustments to the [*CONFIDENTIAL*]; provided, that, in no event shall any such newly negotiated financial terms be less favorable to MEI in their totality and in no
event shall either Party be obligated to agree to any such adjustments. 

  
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 ARTICLE 9 

INTELLECTUAL PROPERTY RIGHTS 

9.1    Ownership. 

(a)    Data. All data generated in connection with any Development, regulatory, Manufacturing
or Commercialization activities with respect to any Compound or Product conducted by or on behalf of KHK or its Affiliates or Sublicensees without the involvement of MEI (the “KHK Data”) shall be the sole and exclusive property of
KHK or of its Affiliates or Sublicensees, as applicable. 
 (b)    Ownership of Inventions.
Ownership of all Inventions shall be based on inventorship, as determined in accordance with the rules of inventorship under United States patent laws. Each Party shall solely own any Inventions made solely by its or its Affiliates’ employees,
agents or independent contractors (“Sole Inventions”). The Parties shall jointly own any Inventions that are made jointly by employees, agents or independent contractors of one Party or its Affiliates together with employees, agents
or independent contractors of the other Party or its Affiliates (“Joint Inventions”). All Patents claiming Joint Inventions shall be referred to herein as “Joint Patents”. Except to the extent either Party is
restricted by the licenses granted to the other Party under this Agreement, each Party shall be entitled to practice, license, assign and otherwise exploit the Joint Inventions and Joint Patents without the duty of accounting or seeking consent from
the other Party, and each Party hereby waives any right it may have under the laws of any country to require any such accounting or consent. 

(c)    Disclosure of Inventions. Each Party shall promptly disclose to the other Party
all Sole Inventions of such Party and all Joint Inventions, including any invention disclosures or other similar documents submitted to such Party by its employees, agents or independent contractors describing such Inventions, and shall promptly
respond to reasonable requests from the other Party for additional information relating to such Inventions. 

(d)    License to MEI. 

(i)    If, during the Term, KHK, its Affiliate or its sublicensee identifies any (A) KHK Technology,
or (B) through development, any improvement that is conceived in the course of KHK’s or its Affiliate’s or its sublicensee’s performance under this Agreement that are necessary or reasonably useful for MEI to Develop, Package,
Manufacture, use or Commercialize the Compound or Product (“KHK Sole Invention”), KHK shall promptly notify MEI and KHK shall disclose and make available such KHK Technology including any KHK Sole Inventions, to MEI and KHK hereby
grants to MEI a perpetual, [*CONFIDENTIAL*], royalty-free, fully-paid, license, with the right to grant sublicenses through multiple tiers, under, in and to the KHK Technology, including any KHK Sole Inventions, to Develop, make, have made,
use, import, offer for sale, sell and otherwise Commercialize the Compound and Products. In addition, KHK hereby grants to MEI [*CONFIDENTIAL*]. 

  
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 (ii)    KHK shall make the KHK Technology available to
MEI at no additional cost and shall use Commercially Reasonable Efforts to provide reasonable technical assistance, including making appropriate employees available at reasonably agreed times and frequency, for the purpose of assisting MEI to
understand and use such Know-How in connection with MEI’s Product-related activities; provided, that KHK shall have no obligation under this Section 9.1(d)(ii) (License to MEI) to provide such
assistance in excess of [*CONFIDENTIAL*] and any such assistance provided by KHK in excess of such limit shall be paid for by MEI at a rate of [*CONFIDENTIAL*].  

9.2    Patent Prosecution and Maintenance. 

(a)    MEI Patents and Joint Patents in the Territory. 

(i)    MEI shall have the first right, but not the obligation, to control the preparation, filing,
prosecution (including any interferences, reissue proceedings and reexaminations) and maintenance of all MEI Patents and Joint Patents in the Territory, at its sole cost and expense and by counsel of its own choice. MEI shall consult with KHK and
keep KHK reasonably informed of the status of such Patents and shall promptly provide KHK with all material correspondence received from any patent authority in connection therewith. In addition, MEI shall promptly provide KHK with drafts of all
proposed material filings and correspondence to any patent authority with respect to such Joint Patents for KHK’s review and comment prior to the submission of such proposed filings and correspondence. MEI shall confer with KHK and consider in
good faith KHK’s comments prior to submitting such filings and correspondence, provided that KHK provides such comments within [*CONFIDENTIAL*] of receiving the draft filings and correspondence from MEI. 

(ii)    In the event that MEI desires to abandon or cease prosecution or maintenance of any MEI Patent or
any Joint Patent in the Territory, MEI shall provide reasonable prior written notice to KHK of such intention to abandon (which notice shall be given no later than [*CONFIDENTIAL*] prior to the next deadline for any action that must be taken
with respect to any such Patent in the relevant patent office). In such case, upon KHK’s written election, KHK shall have the right to assume prosecution and maintenance of such Patent at KHK’s expense; provided that KHK shall not be
obligated to pay royalties for such Patent under Section 8.4 (Royalty Payments) from and after the date that KHK assumes responsibility for such Patent, including responsibility for all costs incurred in connection therewith. If KHK does not
provide such election during such [*CONFIDENTIAL*] period, MEI may, in its sole discretion, continue prosecution and maintenance of such Patent or discontinue prosecution and maintenance of such Patent. 

(b)    Joint Patents outside the Territory. 

(i)    MEI shall have the first right, but not the obligation, to control the preparation, filing,
prosecution (including any interferences, reissue proceedings and 

  
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reexaminations) and maintenance of all Joint Patents outside the Territory, at its sole cost and expense and by counsel of its own choice. 

(c)    KHK Patents. KHK shall have the first right, but not the obligation, to control the
preparation, filing, prosecution (including any interferences, reissue proceedings and reexaminations) and maintenance of all KHK Patents, at its sole cost and expense and by counsel of its own choice. In the event that KHK desires to abandon or
cease prosecution or maintenance of any KHK Patent, KHK shall provide reasonable prior written notice to MEI of such intention to abandon (which notice shall, to the extent possible, be given no later than [*CONFIDENTIAL*] prior to the next
deadline for any action that must be taken with respect to any such Patent in the relevant patent office). In such case, upon MEI’s written election provided no later than [*CONFIDENTIAL*] after such notice from KHK, MEI shall have the
right to assume prosecution and maintenance of such KHK Patent at MEI’s expense. If MEI does not provide such election within [*CONFIDENTIAL*] after such notice from KHK, KHK may, in its sole discretion, continue prosecution and
maintenance of such KHK Patent or discontinue prosecution and maintenance of such KHK Patent. 

9.3    Cooperation of the Parties. Each Party agrees to reasonably cooperate in the
preparation, filing, prosecution and maintenance of Patents under Section 9.2 (Patent Prosecution and Maintenance), at its own cost, and such cooperation includes: (a) executing all papers and instruments, or requiring its employees or
contractors, to execute such papers and instruments, so as to enable the other Party to apply for and to prosecute patent applications in any country as permitted by Section 9.2 (Patent Prosecution and Maintenance); and (b) promptly
informing the other Party of any matters coming to such Party’s attention that may affect the preparation, filing, prosecution or maintenance of any such patent applications. 

9.4    Infringement by Third Parties. 

(a)    Notice. In the event that either MEI or KHK becomes aware of any infringement or
threatened infringement by a Third Party of any MEI Patent, KHK Patent or Joint Patent in the Territory, or the submission to a Party or a Regulatory Authority in the Territory of an application for a product referencing a Product, or any
declaratory judgment or equivalent action challenging any MEI Patent, KHK Patent or Joint Patent in the Territory in connection with any such infringement (each, a “Product Infringement”), it will promptly notify the other Party in
writing to that effect. Any such notice shall include evidence to support an allegation of infringement or threatened infringement, or declaratory judgment or equivalent action, by such Third Party. 

(b)    Enforcement of MEI Patents, KHK Patents and Joint Patents. 

(i)    MEI shall have the first right, as between KHK and MEI, but not the obligation, to bring an
appropriate suit or take other action against any Person engaged in, or to defend against, a Product Infringement in the Field of any MEI Patent or Joint Patent, at its own expense and by counsel of its own choice. KHK shall have the right, at its
own expense, to be 

  
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represented in any such action by counsel of its own choice, and KHK and its counsel will reasonably cooperate with MEI and its counsel in strategizing, preparing and prosecuting any such action
or proceeding in the Territory. If MEI fails to bring an action or proceeding with respect to such Product Infringement of any MEI Patent or Joint Patent in the Territory within (A) [*CONFIDENTIAL*] following the notice of alleged
infringement or declaratory judgment or (B) [*CONFIDENTIAL*] before the time limit, if any, set forth in the appropriate laws and regulations for the filing of such actions, whichever comes first, KHK shall have the right, but not the
obligation, to bring and control any such action at its own expense and by counsel of its own choice, and MEI shall have the right, at its own expense, to be represented in any such action by counsel of its own choice and MEI and its counsel will
reasonably cooperate with KHK and its counsel in strategizing, preparing and prosecuting any such action or proceeding. 

(ii)    KHK shall have the first right, as between KHK and MEI, but not the obligation, to bring an
appropriate suit or take other action against any Person engaged in, or to defend against, a Product Infringement in the Field of any KHK Patent, at its own expense and by counsel of its own choice. MEI shall have the right, at its own expense, to
be represented in any such action by counsel of its own choice, and MEI and its counsel will reasonably cooperate with KHK and its counsel in strategizing, preparing and prosecuting any such action or proceeding. If KHK fails to bring an action or
proceeding with respect to such Product Infringement of any KHK Patent in the Territory within (A) [*CONFIDENTIAL*] following the notice of alleged infringement or declaratory judgment or (B) [*CONFIDENTIAL*] before the time
limit, if any, set forth in the appropriate laws and regulations for the filing of such actions, whichever comes first, MEI shall have the right, but not the obligation, to bring and control any such action at its own expense and by counsel of its
own choice, and KHK shall have the right, at its own expense, to be represented in any such action by counsel of its own choice and KHK and its counsel will reasonably cooperate with MEI and its counsel in strategizing, preparing and prosecuting any
such action or proceeding. 
 (iii)    Except as otherwise agreed by the Parties as part of a
cost-sharing arrangement, any recovery or damages realized as a result of such action or proceeding with respect to Product Infringement of any MEI Patent, KHK Patent or Joint Patent shall be used first to reimburse the Parties’ documented out-of-pocket (i.e., paid to Third Parties) legal expenses relating to the action or proceeding, and any remaining damages relating to Product Infringement of a MEI Patent or
Joint Patent in the Territory (including lost sales or lost profits) shall belong: [*CONFIDENTIAL*]. 

(c)    Cooperation. In the event a Party brings an action in accordance with this
Section 9.4 (Infringement by Third Parties), the other Party shall reasonably cooperate, including, if required to bring such action, being named as a party to such action; provided, that if a Party is required by Applicable Laws to be named as
a party, then the other Party shall bear such Party’s costs in connection with being so named. 

  
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 (d)    Other Infringement. MEI shall have
the sole right, but not the obligation, to bring and control, at its own cost and expense, any legal action in connection with any infringement of any MEI Patent or Joint Patent outside the Territory. 

9.5    Third Party Intellectual Property Rights. 

(a)    Each Party shall promptly notify the other in writing of any allegation by a Third Party that
the Packaging, Commercialization, Manufacture, Development, or use of the Compound or Product in the Territory infringes or may infringe the intellectual property rights of a Third Party. If a Third Party asserts that any of its Patents or other
rights are infringed by the Manufacture, Commercialization or Development by KHK or its Affiliates of any Product in the Territory, KHK shall have the right but not the obligation to defend against any such assertions at its sole cost and expense.
In the event that KHK elects not to defend against such Third Party claims within [*CONFIDENTIAL*] of learning of same, MEI shall have the right, but not the obligation, to defend against such an action. In any event, the other Party shall
reasonably cooperate and shall provide full access to documents, information and witnesses as reasonably requested by the Party defending such action. The Party defending the action will reimburse all Third Party costs incurred in connection with
such requested cooperation. Notwithstanding the foregoing, the Parties’ rights and obligations under this Section 9.5 (Third Party Intellectual Property Rights), including payment obligations, will be subject to the terms of Article 13
(Indemnification; Liability). 
 (b)    Notwithstanding Section 9.5(a) (Third Party
Intellectual Property Rights), if: 
 (i)    the (A) Development, use, or Commercialization of the
dosage form, as of the Effective Date, of the Product in the Territory as a [*CONFIDENTIAL*], or (B) manufacture of the Compound or the dosage form, as of the Effective Date, of the Product in the Territory and in the United States for
Development or Commercialization in the Territory infringes an issued Valid Claim (as defined in Section 1.120(a) (Valid Claim) but not 1.120(b) (Valid Claim) above) of a Third Party’s Patent (“Third Party Patent”), then
MEI shall use Commercially Reasonable Efforts to obtain a license to such Third Party Patent(s) and MEI shall be responsible for [*CONFIDENTIAL*] of any payments due in connection with sales or activities in the Territory (including any
upfront or general payments). If MEI does not obtain such license, then KHK shall have a right, but not an obligation, to obtain a license to such Third Party Patent(s), provided that KHK’s royalty payment for such license shall be
[*CONFIDENTIAL*]. 
 (ii)    the use of the Product in the Territory in [*CONFIDENTIAL*],
infringes an issued Valid Claim (as defined in Section 1.120(a) (Valid Claim) but not 1.120(b) (Valid Claim) above) of a Third Party’s Patent in the Territory (also, a “Third Party Patent”), then MEI would have the first right to
negotiate a license to any such Third Party Patent(s), details of which shall be notified to KHK in writing prior to undertaking any such action. MEI shall keep KHK informed of the progress of such action. If MEI does not desire to obtain such
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approach (MEI or KHK obtaining such a license): (A) no license to a Third Party Patent may be entered under this Section 9.5(b)(ii) (Third Party Intellectual Property Rights) without the
other Party’s prior consent, which consent shall not be unreasonably withheld, conditioned or delayed, and (B) KHK will be responsible for [*CONFIDENTIAL*] of any payments due in connection with sales or activities in the Territory
(including a reasonable allocation of any upfront or general payments to the Territory in the case of a broader license taken by MEI). For clarity, if KHK obtains such a license, KHK shall have the right to receive from MEI [*CONFIDENTIAL*]
of any upfront or general payments and to reduce its quarterly royalty payments to MEI by [*CONFIDENTIAL*] of any royalty payments to such a Third Party, subject to KHK’s royalty payments to MEI not being reduced to less than
[*CONFIDENTIAL*] of the amounts that would have otherwise been due to MEI for such Calendar Quarter. In case MEI obtains such license from Third Party, KHK shall reimburse [*CONFIDENTIAL*] of the reasonable allocation of any upfront or
general payments and [*CONFIDENTIAL*] of any royalty payment to such Third Party, subject to KHK’s royalty payment not exceeding [*CONFIDENTIAL*] of the amounts that would have otherwise been due to MEI for such Calendar Quarter.
In the event that MEI negotiates the license to any such Third Party Patent, payments associated with the Territory shall be appropriate and proportional to other amounts due under any such agreement. In either approach, if such license is not
secured with terms acceptable to both Parties, neither Party is obligated to [*CONFIDENTIAL*]. 

(iii)    Each Party expressly agrees and acknowledges that (A) the rights granted to such Party under
this Agreement, as and to the extent applicable, shall in all cases be subject to the terms and conditions of any applicable license agreement related to any Third Party Patent, and (B) it shall comply with the terms and conditions of any such
agreements (and shall take no action or omit to take any action, that may cause a breach of either of any such agreements). In furtherance of the foregoing, a copy of any such agreements shall be provided by the executing Party to the other Party.

 (iv)    The Parties acknowledge and agree that a defense action commenced under Section 9.5(a)
(Third Party Intellectual Property Rights) may lead to MEI negotiating an agreement under this Section 9.5(b) (Third Party Intellectual Property Rights). 

9.6    Consent for Settlement. Neither Party shall unilaterally enter into any settlement or
compromise of any action or proceeding under this Article 9 (Intellectual Property Rights) that would in any manner alter, diminish, or be in derogation of the other Party’s rights under this Agreement or, in the case of MEI, with respect to
the Product outside the Territory, without the prior written consent of such other Party, which shall not be unreasonably withheld. Notwithstanding the above, KHK shall not enter into any settlement of any such claim without the prior written
consent of MEI if such settlement would require MEI to be subject to an injunction or to make any monetary payment to KHK or any Third Party, or admit any wrongful conduct by MEI or its Affiliates, or would limit or restrict the claims of or admit
any invalidity and/or unenforceability of any of the Patents Controlled by MEI. 

  
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 9.7    Patent Extensions. The Parties shall
jointly agree regarding, and each shall reasonably cooperate with the other in obtaining, patent term restoration, supplemental protection certificates or their equivalents, and Patent Term Extensions with respect to the Products in the Territory
where applicable. The Party responsible for controlling the preparation, filing, prosecution (including any interferences, reissue proceedings and reexaminations) and maintenance of Patents under Section 9.2 (Patent Prosecution and Maintenance)
shall file applications for such extensions at its own cost and the other Party shall provide such responsible Party any necessary documents and information for filing and prosecuting the Patent Term Extension application at such other Party’s
own cost. 
 9.8    Trademarks. 

(a)    KHK shall have the right to Develop, Package and Commercialize the Products in the Field in
the Territory under trademarks of its choice that it registers (“KHK Trademarks”); provided, that KHK may not include in any such trademarks any corporate names or any reference to any products of MEI or any of its Affiliates or
licensees without the prior written consent of MEI. In addition, KHK shall have an option to select trademark(s) registered or created by MEI (“MEI Trademarks”) for use with the Product and MEI shall grant KHK an exclusive (even as
to MEI), royalty-free, fully-paid, license, with the right to grant sublicenses through multiple tiers, to use such trademarks in connection with Developing, Packaging or Commercializing Products in the Territory during the Term. In connection with
the foregoing, upon KHK’s reasonable request from time-to-time, MEI shall provide KHK a list of MEI Trademarks (and not including the “MEI” corporate mark
or other marks that are not exclusively used in connection with Products) including registration number, class and product/service. If KHK decides to be licensed MEI Trademarks to Develop, Package and Commercialize the Product in the Field in the
Territory, KHK shall provide a notice to MEI it wishes to be licensed such MEI Trademarks. MEI shall use Commercially Reasonable Efforts to have MEI Trademarks and its local transliterations (KATAKANA character trademark) registered, filed,
maintained and renewed in the Territory at MEI’s cost upon KHK’s request, and shall keep KHK reasonably informed of the completion of such registration process and provide KHK with updated list of registration numbers for such MEI
Trademarks in the Territory. KHK acknowledges and agrees that it has no rights to the KHK Trademarks outside of the Territory and that, as between the Parties, MEI is free to use the KHK Trademarks outside of the Territory. In addition, MEI will
have the right to use the KHK Trademark in the Territory to the extent necessary to perform its obligations under this Agreement. 

(b)    In the event that either MEI or KHK becomes aware of any infringement or threatened
infringement by a Third Party of any MEI Trademark or KHK Trademark in the Territory (“Trademark Infringement”), it will promptly notify the other Party in writing to that effect. Any such notice shall include evidence to support an
allegation of infringement or threatened infringement, or declaratory judgment or equivalent action, by such Third Party. 

(i)    MEI shall have the right, as between KHK and MEI, but not the obligation, to bring an appropriate
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defend against, a Trademark Infringement in the Field of any MEI Trademarks, at its own expense and by counsel of its own choice. KHK shall have the right, at its own expense, to be represented
in any such action by counsel of its own choice, and KHK and its counsel will reasonably cooperate with MEI and its counsel in strategizing, preparing and prosecuting any such action or proceeding. If MEI fails to bring an action or proceeding with
respect to such Trademark Infringement of any MEI Trademark in the Territory, each party shall discuss possible action against the Trademark Infringement. 

(ii)    KHK shall have the right, as between KHK and MEI, but not the obligation, to bring an appropriate
suit or take other action against any Person engaged in, or to defend against, a Trademark Infringement in the Field of any KHK Trademarks, at its own expense and by counsel of its own choice. 

ARTICLE 10 

CONFIDENTIALITY; PUBLICATION 

10.1    Duty of Confidence. Subject to the other provisions of this Article 10
(Confidentiality; Publication): 
 (a)    all Confidential Information disclosed by or on behalf
of a Party (the “Disclosing Party”) or its Affiliates under this Agreement will be maintained in confidence and otherwise safeguarded by the recipient Party (the “Receiving Party”) and its Affiliates using at least
the same standard of care as the Receiving Party uses to protect its own proprietary or Confidential Information (but in no event less than reasonable care for the industry); and 

(b)    the Receiving Party may only use any such Confidential Information for the purposes of
performing its obligations or exercising its rights under this Agreement, including, for clarity, inclusion in Regulatory Materials in each Party’s Respective Territory. 

10.2    Exceptions. The foregoing obligations as to particular Confidential Information of a
Disclosing Party shall not apply to the extent that the Receiving Party can demonstrate by competent written evidence that such Confidential Information: 

(a)    is known by the Receiving Party at the time of its receipt, and not through a prior
disclosure by the Disclosing Party, as shown by contemporaneous written documents of the Receiving Party; 

(b)    is in the public domain by use and/or publication before its receipt from the Disclosing
Party, or thereafter enters the public domain through no fault of, or breach of this Agreement by, the Receiving Party or any individuals to whom the Receiving Party disclosed such Confidential Information as permitted by this Agreement; 

  
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 (c)    is subsequently disclosed to the Receiving
Party on a non-confidential basis by a Third Party who may lawfully do so and is not under an obligation of confidentiality to the Disclosing Party; or 

(d)    is developed by the Receiving Party independently and without use of or access to any
Confidential Information disclosed to it by or on behalf of the Disclosing Party, as shown by contemporaneous written documents of the Receiving Party. 

10.3    Authorized Disclosures. Notwithstanding the obligations set forth in
Section 10.1 (Duty of Confidence), the Receiving Party may disclose Confidential Information of the Disclosing Party and the terms of this Agreement to the extent such disclosure is reasonably necessary in the following instances: 

(a)    enforcing the Receiving Party’s rights under this Agreement or performing the Receiving
Party’s obligations under this Agreement; 
 (b)    prosecuting or defending litigation as
permitted by this Agreement; 
 (c)    preparing and submitting Regulatory Materials; 

(d)    to the Receiving Party’s employees, directors, officers, Affiliates, actual or potential
Sublicensees (in the case of KHK), actual or potential (sub)licensees (in the case of MEI), commercial partners, independent contractors, consultants, advisors, agents, attorneys, independent accountants or financial advisors who, in each case, have
a need to know such Confidential Information in order for the Receiving Party to exercise its rights or fulfill its obligations under this Agreement, provided, in each case, that any such Person agrees to be bound by terms of confidentiality
and non-use (or, in the case of the Receiving Party’s attorneys and independent accountants, such Person is obligated by applicable professional or ethical obligations) at least as restrictive as those
set forth in this Article 10 (Confidentiality; Publication); 
 (e)    to actual or potential
investors, investment bankers, lenders, other financing sources or acquirors (and attorneys and independent accountants thereof) in connection with potential investment, acquisition, collaboration, merger, public offering, due diligence or similar
investigations by such Third Parties or in confidential financing documents, provided, in each case, that any such Third Party agrees to be bound by written terms of confidentiality and non-use (or, in
the case of the Receiving Party’s attorneys and independent accountants, such Third Party is obligated by applicable professional or ethical obligations) that are no less stringent than those contained in this Agreement (except to the extent
that a shorter confidentiality period is customary in the industry); and 
 (f)    such disclosure
is required by court order, judicial or administrative process or Applicable Law, provided that in such event the Receiving Party shall promptly inform the Disclosing Party of such required disclosure and provide the Disclosing Party an
opportunity to challenge or limit the disclosure obligations. Confidential Information that is disclosed as required 

  
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by court order, judicial or administrative process or Applicable Law shall remain otherwise subject to the confidentiality and non-use provisions of this
Article 10 (Confidentiality; Publication), and the Receiving Party shall take all steps reasonably necessary, including seeking of confidential treatment or a protective order, to ensure the continued confidential treatment of such Confidential
Information. 
 Each Party shall be responsible for any breach of this Agreement by any Person to which Confidential Information of the
other Party has been disclosed by or on behalf of such Party under this Agreement. 

10.4    Publication. Prior to any publication or public disclosure of KHK Data related to
the Compound or any Product, including any peer reviewed manuscripts disclosing the results of studies carried out under this Agreement, KHK shall provide MEI with the opportunity to review and comment on such proposed publication at least
[*CONFIDENTIAL*] prior to its intended submission for publication or public disclosure. MEI shall review any proposed publication and shall respond in writing to KHK within [*CONFIDENTIAL*] after receipt of the proposed disclosure with
comments, if any. KHK shall: (i) consider in good faith any comments thereto provided by MEI; (ii) remove any Confidential Information of MEI identified by MEI as part of its review; and (iii) delay such publication or public
disclosure for an additional [*CONFIDENTIAL*] (at MEI’s request and dated from the date of such request) to enable filing of Patents. For clarity, KHK has no right to publish anything related to the Compound or Product except for KHK
Data. Prior to any peer-reviewed publication related to the Compound or any Product by MEI, including any peer reviewed manuscripts disclosing the results of studies carried out by MEI, MEI shall provide KHK at least [*CONFIDENTIAL*] with the
opportunity to review and comment on such proposed publication and MEI shall consider in good faith any comments thereto provided by KHK. 

10.5    Privileged Communications. In furtherance of this Agreement, it is expected that the
Parties may, from time to time, disclose to one another privileged communications with counsel, including opinions, memoranda, letters and other written, electronic and verbal communications. Such disclosures are made with the understanding that
they shall remain confidential in accordance with this Article 10 (Confidentiality and Publications), that they will not be deemed to waive any applicable attorney-client or attorney work product or other privilege and that they are made in
connection with the shared community of legal interests existing between MEI and KHK, including the community of legal interests in avoiding infringement of any valid, enforceable patents of Third Parties and maintaining the validity of the MEI
Patents, KHK Patents and Joint Patents. In the event of any litigation (or potential litigation) with a Third Party related to this Agreement or the subject matter hereof, the Parties shall, upon either Party’s request, enter into a reasonable
and customary joint defense or common interest agreement. In any event, each Party shall consult in a timely manner with the other Party before engaging in any conduct (e.g., producing information or documents) in connection with litigation or other
proceedings that could conceivably implicate privileges maintained by the other Party. Notwithstanding anything contained in this Section 10.5 (Privileged Communications), nothing in this Agreement shall prejudice a Party’s ability to take
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the Agreement and no information otherwise admissible or discoverable by a Party shall become inadmissible or immune from discovery solely by this Section 10.5 (Privileged Communications).

 10.6    Publicity/Use of Names. Subject to the remainder of this Section 10.6
(Publicity/Use of Names), no disclosure of the existence, or the terms, of this Agreement may be made by either Party or its Affiliates, and neither Party shall use the name, corporate trademark, trade name or logo of the other Party, its Affiliates
or their respective employee(s) in any publicity, promotion, news release or disclosure relating to this Agreement or its subject matter, without the prior express written permission of the other Party, except as may be required by law.
Notwithstanding the above, (a) each Party and its Affiliates may disclose on its website and in its promotional materials that the other Party is a development partner of such Party for the Products and may use the other Party’s name and
logo in conjunction with such disclosure and (b) KHK shall ensure that MEI is appropriately identified as the licensor of the Product in the Territory as and to the extent appropriate for the industry. 

(a)    In the event KHK proposes to file with the U.S. Securities and Exchange Commission or the
securities regulators of any state or other jurisdiction under the Securities Act of 1933, as amended, the Securities Exchange Act of 1934, as amended, or any other applicable securities law a registration statement or any other disclosure document
which describes or refers to this Agreement, including filing a copy of this Agreement itself, KHK shall notify MEI of such intention and shall provide MEI with a copy of relevant portions of the proposed filing not less than [*CONFIDENTIAL*]
prior to such filing (unless exigent circumstances do not permit such review period and then KHK will provide relevant portions of the proposed filing as reasonably in advance as is possible), and shall use Commercially Reasonable Efforts to obtain
confidential treatment of any information concerning MEI that MEI requests be kept confidential, consistent with KHK’s disclosure obligations under applicable securities laws. MEI may, at its discretion, file with the U.S. Securities and
Exchange Commission or the securities regulators of any state or other jurisdiction under the Securities Act of 1933, as amended, the Securities Exchange Act of 1934, as amended, or any other applicable securities law a registration statement or any
other disclosure document which describes or refers to this Agreement, including filing a copy of this Agreement itself. MEI shall provide KHK with a copy of relevant portions of the proposed filing not less than [*CONFIDENTIAL*] prior to
such filing (unless exigent circumstances do not permit such review period and then MEI will provide relevant portions of the proposed filing as reasonably in advance as is possible, and shall use Commercially Reasonable Efforts to obtain
confidential treatment of any information concerning KHK that KHK reasonably requests be kept confidential, consistent with MEI’s disclosure obligations under applicable securities laws. For clarity, in no event shall MEI be obligated to delay
or withhold such a filing in order to comply with the foregoing sentence if such compliance would result in MEI being in violation of any Applicable Law. 

(b)    The Parties agree to issue the joint press release attached here as Schedule 10.6
contemporaneously with the execution of this Agreement. If either Party desires to issue a subsequent press release or make a public announcement concerning the material terms of this Agreement or the Development or Commercialization of the Product
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as the achievement of Regulatory Approvals of the Product, such Party shall provide the other Party with the proposed text of such announcement for prior review and, except to the extent such
press release or public announcement is permitted by subsection (a) or (b) above, approval by such other Party. 

(c)    The Parties agree that after a public disclosure has been made or a press release or other
public announcement has been issued in compliance with subsection (a), (b) or (c) hereof, each Party may make subsequent public disclosures or issue press releases or other public announcements disclosing the same content without having to
obtain the other Party’s prior consent and approval. 
 ARTICLE 11 

TERM AND TERMINATION 

11.1    Term. Unless earlier terminated as permitted by this Agreement, the term of this
Agreement will commence upon the Effective Date and continue in full force and effect, on a Product-by-Product basis, until the expiration of the Royalty Term for such
Product (the “Term”). If this Agreement naturally expires (as opposed to ending earlier due to an affirmative exercise of a Party’s termination right), then KHK shall have [*CONFIDENTIAL*], fully paid-up, royalty-free and perpetual license to Develop, Package, Manufacture and Commercialize the Product in the Territory; provided, that, in the event that KHK uses or has its Sublicensee(s) or designee use any
trademark of the Product Controlled by MEI after the Term to Commercialize and Manufacture (if KHK’s option is exercised) the Product in the Territory (other than in connection with a Generic Product, which use with a Generic Product is
prohibited), KHK shall pay to MEI [*CONFIDENTIAL*] of Net Sales in the Territory as a trademark royalty, and MEI shall be responsible for maintenance of such trademark, in all cases subject to the terms and conditions of a trademark use
agreement to be negotiated in good faith by the Parties upon one Party’s request to the other therefor (pending execution of such a trademark use agreement, Sections 8.4 (Royalty Payments)-8.9 (Financial
Records and Audit) (inclusive) shall apply mutatis mutandis with respect to the payments due). 

11.2    Termination. 

(a)    Termination by KHK for Convenience. At any time, KHK may terminate this
Agreement, at its sole discretion and for any reason or no reason, by providing written notice of termination to MEI, which notice includes an effective date of termination at least one hundred eighty (180) days after the date of the notice if
the notice is given. 
 (b)    Termination for Cause. If either Party believes that the
other is in material breach of this Agreement, then the non-breaching Party may deliver notice of such breach to the other Party. The allegedly breaching Party shall have [*CONFIDENTIAL*]
([*CONFIDENTIAL*] in the case of a payment-related breach) to cure such breach from the receipt of the notice. If the allegedly breaching Party fails to cure that breach within the applicable 

  
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period set forth above, then the Party originally delivering the notice of breach may terminate this Agreement on written notice of termination. Any right to terminate this Agreement under this
Section 11.2(b) (Termination for Cause) shall be stayed for up to a period of [*CONFIDENTIAL*] and the applicable cure period tolled in the event that, during such cure period, the Party alleged to have been in material breach shall have
initiated dispute resolution in accordance with Section 14.9 (Dispute Resolution) with respect to the alleged breach, which stay and tolling shall continue until such dispute has been resolved in accordance with Section 14.9 (Dispute
Resolution) but in any event no longer than [*CONFIDENTIAL*] from the date that the Party alleged to have been in material breach initiates dispute resolution proceeding under Section 14.9 (Dispute Resolution). If a Party is determined
to be in material breach of this Agreement, the other Party may terminate this Agreement if the breaching Party fails to cure the breach within [*CONFIDENTIAL*] ([*CONFIDENTIAL*] in the case of a payment-related breach) after the
conclusion of the dispute resolution procedure (and such termination shall then be effective upon written notification from the notifying Party to the breaching Party). 

(c)    Termination for Patent Challenge. Except to the extent the following is unenforceable
under the laws of a particular jurisdiction, MEI may terminate this Agreement immediately upon written notice to KHK if KHK or its Affiliates or Sublicensees, individually or in association with any other Person, commences a legal action challenging
the validity or enforceability of any MEI Patent. 
 (d)    Termination for Bankruptcy.
This Agreement may be terminated at any time during the Term by either Party upon the other Party’s filing or institution of bankruptcy, reorganization, liquidation or receivership proceedings, or upon an assignment of a substantial portion of
the assets for the benefit of creditors by the other Party; provided, however, that in the case of any involuntary bankruptcy proceeding such right to terminate shall only become effective if the Party consents to the involuntary bankruptcy
or such proceeding is not dismissed within [*CONFIDENTIAL*] after the filing thereof. 

(e)    Automatic Termination for Nonpayment. If KHK fails to pay MEI the upfront payment set
forth in Section 8.1 (Upfront Payment), this Agreement will automatically and immediately terminate. 

(f)    Termination for Force Majeure. Each Party shall have the right to terminate this
Agreement upon written notice to the other Party if an event of force majeure (in accordance with Section 14.6 (Force Majeure)) prevents, prohibits, or otherwise inhibits such other Party from performing its obligations hereunder for a period
of six (6) months. 
 (g)    Termination Related to GDPR Agreement. Consistent with
Section 7(f) of the GDPR Agreement, if KHK’s ability to meet the obligations and assurances as set out under the GDPR Agreement cannot be restored by reasonable and appropriate means following KHK’s notice provided under
Section 7(f) of the GDPR Agreement, then MEI shall have the right to terminate this Agreement upon written notice to KHK. 

  
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 11.3    Effect of Termination. Upon
termination of this Agreement by KHK pursuant to Section 11.2(a) (Termination by KHK for Convenience) or 11.2(f) (Termination for Force Majeure), or termination of this Agreement by MEI pursuant to Section 11.2(b) (Termination for Cause),
11.2(c) (Termination for Patent Challenge), 11.2(d) (Termination for Bankruptcy), 11.2(e) (Automatic Termination for Nonpayment), 11.2(f) (Termination for Force Majeure), or 11.2(g) (Termination Related to GDPR Agreement), the following consequences
shall apply and shall be effective as of the effective date of such termination: 

(a)    KHK’s license under Section 2.1 (Licenses to KHK) shall terminate; 

(b)    KHK hereby grants to MEI, [*CONFIDENTIAL*], royalty free, fully paid, worldwide,
perpetual and irrevocable license, with the right to grant sublicenses through multiple tiers, under the KHK Data and KHK Technology, to research, develop, make, have made, use, distribute, sell, offer for sale, have sold, import, export and
otherwise commercialize the Compound and Products; 
 (c)    KHK shall return to MEI or destroy,
at MEI’s election, all Confidential Information of MEI, including all copies thereof and all materials, substances and compositions delivered or provided by MEI to KHK, provided that KHK shall have the right to retain [*CONFIDENTIAL*]
copy thereof, which may be retained by KHK solely for legal archiving purposes; 
 (d)    KHK
shall, where permitted under Applicable Law, as promptly as reasonably practical, assign to MEI all Regulatory Materials and Regulatory Approvals for any Compound and Product and provide MEI with all correspondence with Regulatory Authorities
related to such Regulatory Materials and Regulatory Approval; 
 (e)    KHK shall disclose to MEI
all KHK Know-How and all Joint Inventions to the extent not already known to MEI, which may be necessary or reasonably useful for MEI to continue to Develop, Package, Manufacture and Commercialize Compounds
and Products in the Field. In addition, KHK shall, at MEI’s request, provide reasonable technical assistance and transfer all KHK Know-How and Joint Inventions necessary to Package or Manufacture
Compounds and Products to MEI or its designee; 
 (f)    KHK shall, to the extent that MEI does
not provide written notice that it does not want to receive the benefit thereof in part or in whole, transfer sponsorship and Control to MEI of all Clinical Trials of the Product being conducted as of the effective date of termination (provided,
that, if MEI does not desire to take over control of any given ongoing Clinical Trial(s), then KHK shall be responsible for winding-down such trials as soon as possible in accordance with Applicable Law and industry standards. 

(g)    KHK shall, and shall cause its Affiliates and its and their Sublicensees to, as promptly as
reasonably practicable, provide a copy to MEI of all agreements related to the Development, Packaging, Manufacture, use or Commercialization of the Compound or Product 

  
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(“Product Agreements”), including all Sublicenses, and, to the extent requested by MEI in writing, assign to MEI any Product Agreement, unless, with respect to any such Product
Agreement, such Product Agreement expressly prohibits such assignment, in which case KHK (or such Affiliate or Sublicensee, as applicable) shall co-operate with MEI and use Commercially Reasonable Efforts to
secure the consent of the applicable Third Party to such assignment, at KHK’s expense, and if any such consent cannot be obtained with respect to a Product Agreement, KHK shall, and shall cause its Affiliates and its and their Sublicensees to
cooperate, to the extent requested by MEI in writing, facilitate discussions between MEI and such Third Parties to assist MEI in entering into a direct agreement with such Third Parties; 

(h)    KHK shall transfer to MEI all units of Compound and Product in its possession at no cost; and

 (i)    KHK shall, if applicable, and hereby does, effective on such termination, assign to MEI
all of KHK’s and its Affiliates’ right, title and interest in and to the KHK Trademarks used by KHK and its Affiliates in the Territory in connection with its Development, Packaging, or Commercialization of Products (excluding any such
trademarks that include, in whole or part, any corporate name or logo of KHK or its Affiliates), including all goodwill therein, and KHK shall promptly take such actions and execute such instruments, assignments and documents as may be necessary to
effect, evidence, register and record such assignment. 
 11.4    Effect of Termination for
Cause by KHK. If KHK is entitled to terminate this Agreement under Section 11.2(b) (Termination for Cause) as a result of an uncured material breach by MEI, KHK may elect to terminate or continue this Agreement. If KHK
elects to terminate this Agreement under Sections 11.2(b) (Termination for Cause), or 11.2(d) (Termination for Bankruptcy), the following consequences shall apply and shall be effective as of the effective date of such termination. MEI shall
compensate KHK any costs and expenses incurred by KHK, or its Affiliates in connection with performing any of the activities contemplated under Section 11.4 (Effect of Termination for Cause by KHK). If KHK elects to continue this Agreement, the
rights and licenses granted by MEI to KHK under this Agreement shall continue, subject to KHK’s related obligation hereunder: 

(a)    KHK’s license under Section 2.1 (Licenses to KHK) shall terminate; 

(b)    the Receiving Party shall return to the Disclosing Party or destroy, at the Disclosing
Party’s election, all Confidential Information of the Disclosing Party, including all copies thereof and all materials, substances and compositions delivered or provided by the Disclosing Party to the Receiving Party, provided that the
Receiving Party shall have the right to retain one (1) copy thereof, which may be retained by the Receiving Party solely for legal archiving purposes; 

(c)    KHK shall, at KHK’s election, withdraw Regulatory Approvals for any Compound and Product
in the Territory or, with MEI’s prior written consent, assign to MEI all Regulatory Materials and Regulatory Approvals for any Compound and Product and provide MEI 

  
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with copies of all correspondence with Regulatory Authorities relating to such Regulatory Materials and Regulatory Approval; and 

(d)    KHK shall transfer to MEI and MEI shall purchase all units of Compound and Product which are
intended for sale in the Territory at a price equal to KHK’s or its Affiliate’s fully burdened costs for such inventory with shipment costs reimbursed by MEI. 

11.5    Survival. Expiration or termination of this Agreement shall not relieve the Parties
of any obligation accruing prior to such expiration or termination, nor shall expiration or any termination of this Agreement preclude either Party from pursuing all rights and remedies it may have under this Agreement, at law or in equity, with
respect to breach of this Agreement. In addition, the provisions of Articles 1 (Definitions) (to the extent necessary to give effect to other surviving provisions), 8 (Financial Provisions) (but not Section 8.10 (Financial Adjustments) and only
with respect to amounts due or accruing on or prior to expiration or termination), 10 (Confidentiality; Publication) (but not Sections 10.4 (Publication) or 10.5 (Privileged Communications)), 13 (Indemnification; Liability) (but not
Section 13.6 (Insurance)), and 14 (General Provisions), and Sections 2.5 (No Implied Licenses; Negative Covenant), 2.7 (Non-Compete) (to the extent applicable), 4.4 (Development Costs) (with respect to
amounts incurred or otherwise due or accruing on or prior to expiration or termination), 5.4 (Regulatory Inspections for Improper Activities), 9.1(d)(i) (License to MEI), 11.3 (Effect of Termination) or 11.4 (Effect of Termination for Cause by KHK)
as applicable, this 11.5 (Survival), and 11.6 (Termination Not Sole Remedy), hereof shall survive the expiration or termination of this Agreement. Notwithstanding the foregoing, with respect to the survival of [*CONFIDENTIAL*] solely in the
event that this Agreement is terminated by KHK pursuant to Section 11.2(b) (Termination for Cause) or 11.2(d) (Termination for Bankruptcy), the Parties shall promptly negotiate in good faith [*CONFIDENTIAL*]; provided, that, (i) if
the Parties are unable to agree on [*CONFIDENTIAL*] within [*CONFIDENTIAL*] of beginning discussions with respect thereto, then either Party may refer such matter for arbitration in accordance with Section 14.9 (Dispute
Resolution), and (ii) at any time MEI shall have the right to terminate [*CONFIDENTIAL*] upon written notice to KHK and to forego paying [*CONFIDENTIAL*]. 

11.6    Termination Not Sole Remedy. Termination is not the sole remedy under this Agreement
and, whether or not termination is effected and notwithstanding anything contained in this Agreement to the contrary, all other remedies will remain available except as agreed to otherwise herein. 

ARTICLE 12 

REPRESENTATIONS AND WARRANTIES 

12.1    Representations and Warranties of Each Party. Each Party represents and warrants to
the other Party as of the Effective Date that: 

  
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 (a)    it has the full right, power and authority
to enter into this Agreement, to perform its obligations hereunder, and no approval from any governmental authority is required of such Party; and 

(b)    this Agreement has been duly executed by it and is legally binding upon it, enforceable in
accordance with its terms, and does not and will not conflict with any agreement, instrument or understanding, oral or written, to which it is or becomes a party or by which it is or may become be bound, nor violate any material law or regulation of
any court, governmental body or administrative or other agency having jurisdiction over it. 

12.2    Mutual Covenants. 

(a)    Employees, Consultants and Contractors. Each Party covenants that it has obtained or
will obtain written agreements from each of its employees, consultants and contractors who perform Development activities pursuant to this Agreement, which agreements will obligate such persons to obligations of confidentiality and non-use and to assign Inventions in a manner consistent with the provisions of this Agreement. 

(b)    Debarment. Each Party represents, warrants and covenants to the other Party that it is
not debarred or disqualified under the U.S. Federal Food, Drug and Cosmetic Act, as may be amended, or comparable laws in any country or jurisdiction other than the U.S., and it does not, and will not during the Term, employ or use the services of
any person who is debarred or disqualified, in connection with activities relating to the Compound or Product. In the event that either Party becomes aware of the debarment or disqualification or threatened debarment or disqualification of any
person providing services to such Party, including the Party itself or its Affiliates, that directly or indirectly relate to activities contemplated by this Agreement, such Party shall immediately notify the other Party in writing and such Party
shall cease employing, contracting with, or retaining any such person to perform any such services. 

(c)    Compliance. Each Party covenants as follows: 

(i)    In the performance of its obligations under this Agreement, such Party shall comply and shall cause
its and its Affiliates’ employees and contractors to comply with all Applicable Laws, including all export control, anti-corruption and anti-bribery laws and regulations, and shall not cause such other Party’s Indemnitees to be in
violation of any Applicable Laws or otherwise cause any reputational harm to such other Party. 

(ii)    Such Party and its and its Affiliates’ employees and contractors shall not, in connection
with the performance of their respective obligations under this Agreement, directly or indirectly through Third Parties, pay, promise or offer to pay, or authorize the payment of, any money or give any promise or offer to give, or authorize
the giving of anything of value to any Government Authority or representative thereof or other person for purpose of obtaining or retaining business for or with, or directing business to, any person, including either Party (and each Party represents
and warrants that as of the Effective Date, such Party, and to its knowledge, its 

  
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and its Affiliates’ employees and contractors, have not directly or indirectly promised, offered or provided any corrupt payment, gratuity, emolument, bribe, kickback, illicit gift or
hospitality or other illegal or unethical benefit to a Government Authority or representative thereof or any other person in connection with the performance of such Party’s obligations under this Agreement, and each Party covenants that it and
its Affiliates’ employees and contractors shall not, directly or indirectly, engage in any of the foregoing). 

(iii)    Such Party and its and its Affiliates’ employees and contractors shall have complied and
will comply with all Anti-Corruption Laws and industry codes dealing with government procurement, conflicts of interest, corruption or bribery. 

Each Party shall have the right to suspend or terminate this Agreement, upon written notice to the other Party, in its entirety where there is
a credible finding, after a reasonable investigation, that the other Party, in connection with performance of such other Party’s obligations under this Agreement, has violated any Anti-Corruption Laws. 

12.3    Representations and Warranties by MEI. MEI represents and warrants to KHK as of the
Effective Date that: 
 (a)    it has not previously assigned, transferred, conveyed or otherwise
encumbered its right, title and interest in MEI Technology in a manner that is inconsistent with the exclusive license granted to KHK under Section 2.1 (Licenses to KHK); 

(b)    MEI has not received any notice from a Third Party that the Development of any Compound or
Product conducted by MEI prior to the Effective Date has infringed any Patents of any Third Party or misappropriated any other intellectual property of any Third Party and is not aware of any imminent or likely threat from a Third Party of such
infringement or misappropriation; 
 (c)    MEI has no knowledge as of the Effective Date of any
Third Party that is infringing or misappropriating any of the MEI Technology in the Territory; 

(d)    no claim or action has been brought or, to MEI’s knowledge, threatened in writing by any
Third Party alleging that the MEI Patents are invalid or unenforceable, and no MEI Patent is the subject of any interference, opposition, cancellation or other protest proceeding; and 

(e)    the patents and patent applications listed on Schedule 1.72 constitute all existing
MEI Patents as of the Effective Date. 
 12.4    Representations and Warranties by KHK.
KHK represents and warrants to MEI as of the Effective Date that: 

  
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 (a)    KHK has received satisfactory responses
from MEI to each specific written request for information, in connection with the execution of this Agreement, made by KHK prior to the Effective Date; 

(b)    KHK’s (and its Affiliates, Sublicensees and subcontractors) compensation programs for
their respective sales representatives in connection with the Commercialization of Products do not, and will not, provide financial incentives for the promotion, sales, and marketing of Products in violation of any Applicable Laws or any
professional requirements; 
 (c)    All Products Commercialized or (to the extent KHK’s
Manufacturing Option is exercised) Manufactured by, or under authority of, KHK shall be: 
 (i) packaged, labeled, handled,
stored and shipped in accordance with, and shall conform to, applicable specifications; and 
 (ii) packaged, labeled,
handled, stored and shipped in compliance with all Applicable Laws. 

12.5    Disclaimer. KHK understands that the Compound and Product are the subject of
ongoing clinical research and development and that MEI cannot ensure the safety or usefulness of the Compound or Product or that the Product will receive Regulatory Approvals. 

12.6    No Other Warranties. EXCEPT AS EXPRESSLY SET FORTH IN THIS AGREEMENT, NEITHER PARTY
MAKES, AND EACH PARTY EXPRESSLY DISCLAIMS, ANY AND ALL WARRANTIES OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, VALIDITY OF PATENTS,
NON-INFRINGEMENT OF THE INTELLECTUAL PROPERTY RIGHTS OF THIRD PARTIES, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICES. 

ARTICLE 13 

INDEMNIFICATION; LIABILITY 

13.1    Indemnification by MEI. MEI shall indemnify and hold KHK, its Affiliates and
Sublicensees, and their respective officers, directors, agents and employees (“KHK Indemnitees”) harmless from and against any Claims against them to the extent arising or resulting from: 

(a)    the use, Development, Packaging, Manufacture, Commercialization, handling, storage or other
disposition by or on behalf of MEI (other than by any KHK Indemnitees) or any of its Affiliates or Third Party licensees (excluding Sublicensees) of any Compound or Product outside the Territory, including any product liability claim outside the
Territory; 

  
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 (b)    any product liability claim in the
Territory resulting from a defect in the manufacturing of Compound or Product supplied by or on behalf of MEI for the Territory; 

(c)    the gross negligence or willful misconduct of any of the MEI Indemnitees; and 

(d)    any material breach by MEI of this Agreement.  

except in each case, to the extent such Claims result from the material breach by KHK of any covenant, representation, warranty
or other agreement made by KHK in this Agreement or the negligence or willful misconduct of any KHK Indemnitee. Notwithstanding the above, MEI will have no obligation to defend or indemnify KHK or its Affiliates for any claim brought by a
shareholder or a class of shareholders of KHK or its Affiliates including, securities fraud claims, shareholder direct claims, and shareholder derivative claims, except to the extent resulting from the gross negligence or willful misconduct on the
part of MEI or any Affiliate. 
 13.2    Indemnification by KHK. KHK shall indemnify and
hold MEI, its Affiliates and (sub)licensees, and their respective officers, directors, agents and employees (“MEI Indemnitees”) harmless from and against any Claims against them to the extent arising or resulting from: 

(a)    the use, Development, Packaging, Manufacture (only if KHK’s Manufacturing Option has
been exercised), Commercialization, handling, storage or other disposition by or on behalf of KHK or any of its Affiliates or Sublicensees of any Compound or Product in the Field in or for the Territory, including any product liability claim in the
Territory that is not subject to MEI’s indemnification obligations under Section 13.1(b) (Indemnification by MEI); or 

(b)    the gross negligence or willful misconduct of any of the KHK Indemnitees; or 

(c)    the material breach by KHK of this Agreement; 

except in each case, to the extent such Claims result from the material breach by MEI of any covenant, representation, warranty
or other agreement made by MEI in this Agreement or the negligence or willful misconduct of any MEI Indemnitee. Notwithstanding the above, KHK will have no obligation to defend or indemnify MEI or its Affiliates for any claim brought by a
shareholder or a class of shareholders of MEI or its Affiliates including, but not limited to, securities fraud claims, shareholder direct claims, and shareholder derivative claims, except to the extent resulting from the gross negligence or willful
misconduct on the part of KHK or any Affiliate. 
 13.3    Indemnification Procedure. If
either Party is seeking indemnification under Sections 13.1 (Indemnification by MEI) or 13.2 (Indemnification by KHK) (the “Indemnified 

  
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Party”), it shall inform the other Party (the “Indemnifying Party”) of the claim giving rise to the obligation to indemnify pursuant to such section as soon as
reasonably practicable after receiving notice of the claim. The Indemnifying Party shall have the right to assume the defense of any such claim for which it is obligated to indemnify the Indemnified Party. The Indemnified Party shall cooperate with
the Indemnifying Party and the Indemnifying Party’s insurer as the Indemnifying Party may reasonably request, and at the Indemnifying Party’s cost and expense. The Indemnified Party shall have the right to participate, at its own expense
and with counsel of its choice, in the defense of any claim or suit that has been assumed by the Indemnifying Party. Neither Party shall have the obligation to indemnify the other Party in connection with any settlement made without such
Party’s written consent, which consent shall not be unreasonably withheld or delayed. If the Parties cannot agree as to the application of Section 13.1 (Indemnification by MEI) or 13.2 (Indemnification by KHK) as to any claim, pending
resolution of the dispute pursuant to Section 14.9 (Dispute Resolution), the Parties may conduct separate defenses of such claims, with each Party retaining the right to claim indemnification from the other Party in accordance with
Section 13.1 (Indemnification by MEI) or 13.2 (Indemnification by KHK) upon resolution of the underlying claim. 

13.4    Mitigation of Loss. Each Indemnified Party will take and will procure that its
Affiliates take reasonable steps and actions to mitigate any Claims (or potential losses or damages) under this Article 13 (Indemnification; Liability). Nothing in this Agreement shall or shall be deemed to relieve any Party of any common law or
other duty to mitigate any losses incurred by it. 
 13.5    Special, Indirect and Other
Losses. EXCEPT IN THE EVENT OF A PARTY’S BREACH OF Article 10 (CONFIDENTIALITY; PUBLICATION) OR A PARTY’S GROSS NEGLIGENCE OR WILLFUL MISCONDUCT, NEITHER PARTY SHALL BE ENTITLED TO RECOVER FROM THE OTHER PARTY ANY SPECIAL, INCIDENTAL,
CONSEQUENTIAL OR PUNITIVE DAMAGES IN CONNECTION WITH THIS AGREEMENT OR ANY LICENSE GRANTED HEREUNDER; provided, however, that this Section 13.5 (Special, Indirect and Other Losses) shall not be construed to limit [*CONFIDENTIAL*].

 13.6    Insurance. Each Party, at its own expense, shall maintain product liability and
other appropriate insurance in an amount consistent with sound business practice and reasonable in light of its obligations under this Agreement during the Term. Each Party shall provide a certificate of insurance (or evidence of self-insurance)
evidencing such coverage to the other Party upon request. 
 ARTICLE 14 

GENERAL PROVISIONS 

14.1    Governing Law. This Agreement shall be governed by and construed in accordance with
the laws of the State of New York without reference to any rules of conflict of laws with the exception of sections 5-1401 and 5-1402 of New York General
Obligations Law; 

  
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provided, that, the GDPR Agreement shall be governed by and construed in accordance with the laws identified therein. 

14.2    Assignment. Except as expressly provided hereunder, neither this Agreement nor any
rights or obligations hereunder may be assigned or otherwise transferred by either Party without the prior written consent of the other Party (which consent shall not be unreasonably withheld); provided, however, that either Party may assign
or otherwise transfer this Agreement and its rights and obligations hereunder without the other Party’s consent: (a) in connection with the transfer or sale of all or substantially all of the business or assets of such Party to which this
Agreement relates to a Third Party, whether by merger, consolidation, divesture, restructure, sale of stock, sale of assets or otherwise; provided that in the event of any such transaction (whether this Agreement is actually assigned or is
assumed by the acquiring party by operation of law (e.g., in the context of a reverse triangular merger)), intellectual property rights of the acquiring party to such transaction (if other than one of the Parties to this Agreement) and its
affiliates existing prior to the transaction shall not be included in the technology licensed hereunder; or (b) to an Affiliate, provided that the assigning Party shall remain liable and responsible to the
non-assigning Party hereto for the performance and observance of all such duties and obligations by such assignee. The rights and obligations of the Parties under this Agreement shall be binding upon and inure
to the benefit of the successors and permitted assigns of the Parties, and the name of a Party appearing herein will be deemed to include the name of such Party’s successors and permitted assigns to the extent necessary to carry out the intent
of this section. Any assignment not in accordance with this Section 14.2 (Assignment) shall be null and void. 

14.3    Entire Agreement; Modification. This Agreement is both a final expression of the
Parties’ agreement and a complete and exclusive statement with respect to all of its terms. This Agreement supersedes all prior and contemporaneous agreements and communications, whether oral, written or otherwise, concerning any and all
matters contained herein. This Agreement may only be modified or supplemented in a writing expressly stated for such purpose and signed by the Parties to this Agreement. 

14.4    Relationship Between the Parties. The Parties’ relationship with one another,
as established by this Agreement, is solely that of independent contractors. This Agreement does not create any partnership, joint venture or similar business relationship between the Parties. Neither Party is a legal representative of the other
Party. Neither Party can assume or create any obligation, representation, warranty or guarantee, express or implied, on behalf of the other Party for any purpose whatsoever. 

14.5    Non-Waiver. The failure of a Party to insist
upon strict performance of any provision of this Agreement or to exercise any right arising out of this Agreement shall neither impair that provision or right nor constitute a waiver of that provision or right, in whole or in part, in that instance
or in any other instance. Any waiver by a Party of a particular provision or right shall be in writing, shall be as to a particular matter and, if applicable, for a particular period of time and shall be signed by such Party. 

  
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 14.6    Force Majeure. Neither Party shall
be held liable to the other Party nor be deemed to have defaulted under or breached this Agreement for failure or delay in performing any obligation under this Agreement to the extent such failure or delay is caused by or results from causes beyond
the reasonable control of the affected Party, including embargoes, war, acts of war (whether war be declared or not), acts of terrorism, insurrections, riots, civil commotions, strikes, fire, floods, or other acts of God, or acts, omissions or
delays in acting by any Government Authority. The affected Party shall notify the other Party of such force majeure circumstances as soon as reasonably practical, and shall promptly undertake and continue diligently all reasonable efforts necessary
to cure such force majeure circumstances or to perform its obligations in spite of the ongoing circumstances. 

14.7    Severability. If any one or more of the provisions contained in this Agreement is
held invalid, illegal or unenforceable in any respect, the validity, legality and enforceability of the remaining provisions contained herein shall not in any way be affected or impaired thereby, unless the absence of the invalidated provision(s)
adversely affects the substantive rights of the Parties. The Parties shall in such an instance use their best efforts to replace the invalid, illegal or unenforceable provision(s) with valid, legal and enforceable provision(s) which, insofar as
practical, implement the purposes of this Agreement. 
 14.8    Notices. Any notice to be
given under this Agreement must be in writing and delivered either (a) in person, (b) by air mail (postage prepaid) requiring return receipt, (c) by overnight courier, or (d) by e-mail with
delivery and return receipts requested and confirmation of delivery thereafter, to the Party to be notified at its address(es) given below, or at any address such Party may designate by prior written notice to the other. Notice shall be deemed
sufficiently given for all purposes upon the earliest of: (i) the date of actual receipt; (ii) if air mailed, five (5) days after the date of postmark; (iii) if delivered by overnight courier, the next day the overnight courier
regularly makes deliveries or (iv) if sent by e-mail, the date of confirmation of receipt. 

  
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 If to MEI: 

MEI Pharma, Inc. 

3611 Valley Centre Drive STE 500 

San Diego, CA 92130 

Attention: CEO 

If to KHK: 

Kyowa Hakko Kirin Co., Ltd. 

1-9-2 Otemachi,
Chiyoda-ku, Tokyo 100-0004, Japan 

Attention: Director, Business Development Department 

14.9    Dispute Resolution. 

(a)    The Parties shall negotiate in good faith and use reasonable efforts to settle any dispute,
controversy or claim arising from or related to this Agreement or the breach thereof. Subject to Section 14.9(h) (Dispute Resolution), in the event the Parties cannot resolve such dispute, controversy or claim within a period of
[*CONFIDENTIAL*] , then the matter shall be referred to designated senior executives of the Parties for resolution. The initial designated senior executives shall be the Head of Business Development Department of KHK and Chief Operating
Officer of MEI. Each Party shall be entitled to name substitute senior executives upon written notice to the other Party. 

(b)    Except as expressly set forth in Section 14.9(h) (Dispute Resolution), if, after going
through this procedure, the Parties do not fully settle, and a Party wishes to pursue the matter, each such dispute, controversy or claim that is not an Excluded Claim (defined in Section 14.9(g) (Dispute Resolution) shall be finally resolved
by binding arbitration administered by the American Arbitration Association (“AAA”) pursuant to the arbitration rules then in effect. 

(c)    The arbitration shall be conducted by a panel of three (3) neutral arbitrators
experienced in the pharmaceutical business, none of whom shall be a current or former employee or director, or a current stockholder, of either Party or any of their respective Affiliates or any Sublicensee: within thirty (30) days after
initiation of arbitration, each Party shall select one (1) person to act as arbitrator and the two (2) Party-selected arbitrators shall select a third (3rd) arbitrator within thirty
(30) days of their appointment. If the arbitrators selected by the Parties are unable or fail to agree upon the third (3rd) arbitrator, the third (3rd) arbitrator shall be appointed by AAA. The place of arbitration shall be San Francisco, California, and all proceedings and 

  
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communications shall be in English. The arbitrators shall take into account both the desirability of making discovery efficient and cost-effective and the needs of the Parties for an
understanding of any legitimate issue raised in the arbitration. The award rendered by the arbitrators shall be final, binding and non-appealable (except in the event of gross error or fraud), and judgment may
be entered upon it in any court of competent jurisdiction. 
 (d)    Either Party may apply to the
arbitrators for interim injunctive relief until the arbitration award is rendered or the controversy is otherwise resolved. The arbitrators’ authority to award punitive or any other type of damages not measured by a Party’s compensatory
damages shall be subject to the limitation set forth in Section 13.5 (Special, Indirect and Other Losses). Each Party shall bear its own costs and expenses and attorneys’ fees and an equal share of the arbitrators’ fees and any
administrative fees of arbitration. 
 (e)    Except to the extent necessary to confirm or enforce
an award or as may be required by law, neither Party nor an arbitrator may disclose the existence, content, or results of an arbitration without the prior written consent of the other Party. In no event shall an arbitration be initiated after the
date when commencement of a legal or equitable proceeding based on the dispute, controversy or claim would be barred by the applicable New York statute of limitations. 

(f)    The Parties agree that, in the event of a dispute over the nature or quality of performance
under this Agreement, neither Party may terminate this Agreement until final resolution of the dispute through arbitration or other judicial determination. The Parties further agree that any payments made pursuant to this Agreement pending
resolution of the dispute shall be refunded if an arbitrator or court determines that such payments are not due. 

(g)    As used in this Section, the term “Excluded Claim” means a dispute,
controversy or claim that concerns the construction, scope, validity, enforceability, inventorship or infringement of a patent, patent application, trademark or copyright. 

(h)    Nothing contained in this Agreement shall deny either Party the right to seek injunctive or
other equitable relief from a court of competent jurisdiction in the context of a bona fide emergency or prospective irreparable harm, and such an action may be filed and maintained notwithstanding any ongoing discussions between the Parties
or any ongoing arbitration proceeding. In addition, either Party may bring an action in any court of competent jurisdiction to resolve disputes pertaining to the construction, scope, validity, enforceability, inventorship or infringement of a
patent, patent application, trademark or copyright, and no such claim shall be subject to arbitration pursuant to subsections (b) and (c) of this Section 14.9 (Dispute Resolution). In the event that injunctive or other equitable
relief is granted by a court, no bond or other security will need to be posted. 

14.10    Performance by Affiliates. Each Party may discharge any obligations and exercise
any rights hereunder through any of its Affiliates. Each Party hereby guarantees the performance by its Affiliates of such Party’s obligations under this Agreement, and shall cause its Affiliates to comply with the provisions of this Agreement
in connection with such performance. 

  
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Any breach by a Party’s Affiliate of any of such Party’s obligations under this Agreement shall be deemed a breach by such Party, and the other Party may proceed directly against such
Party without any obligation to first proceed against such Party’s Affiliate. 

14.11    Headings. The captions to the several Articles, Sections and subsections hereof are
not a part of this Agreement, but are merely for convenience to assist in locating and reading the several Articles and Sections hereof. 

14.12    Waiver of Rule of Construction. Each Party has had the opportunity to consult with
counsel in connection with the review, drafting and negotiation of this Agreement. Accordingly, the rule of construction that any ambiguity in this Agreement shall be construed against the drafting Party shall not apply. 

14.13    Interpretation. Except where the context expressly requires otherwise, (a) the
use of any gender herein shall be deemed to encompass references to either or both genders, and the use of the singular shall be deemed to include the plural (and vice versa), (b) the words “include”, “includes” and
“including” shall be deemed to be followed by the phrase “without limitation”, (c) the word “will” shall be construed to have the same meaning and effect as the word “shall”, (d) any definition of or reference
to any agreement, instrument or other document herein shall be construed as referring to such agreement, instrument or other document as from time to time amended, supplemented or otherwise modified (subject to any restrictions on such amendments,
supplements or modifications set forth herein), (e) any reference herein to any person shall be construed to include the person’s successors and assigns, (f) the words “herein”, “hereof” and “hereunder”, and
words of similar import, shall be construed to refer to this Agreement in its entirety and not to any particular provision hereof, (g) all references herein to Articles, Sections, or Schedules shall be construed to refer to Articles, Sections,
or Schedules of this Agreement, and references to this Agreement include all Schedules hereto, (h) the word “notice” means notice in writing (whether or not specifically stated) and shall include notices, consents, approvals and other
written communications contemplated under this Agreement, (i) provisions that require that a Party, the Parties or any committee hereunder “agree”, “consent” or “approve” or the like shall require that such
agreement, consent or approval be specific and in writing, whether by written agreement, letter, approved minutes or otherwise (but excluding electronic mail and instant messaging), (j) references to any specific law, rule or regulation, or article,
section or other division thereof, shall be deemed to include the then-current amendments thereto or any replacement or successor law, rule or regulation thereof, and (k) the terms “or” and “and/or” shall be interpreted in
the inclusive sense commonly associated with the term “and/or”. 
 14.14    Business
Day Requirements. In the event that any notice or other action or omission is required to be taken by a Party under this Agreement on a day that is not a Business Day then such notice or other action or omission shall be deemed to require to be
taken on the next occurring Business Day. 

  
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 14.15    Offset Rights. Except as expressly
permitted in this Agreement, neither Party may, at any time or for any reason, offset any payments due to the other Party or its Affiliates under this Agreement. 

14.16    English Language. This Agreement has been prepared in the English language, and the
English language shall control its interpretation. In addition, all notices required or permitted to be given hereunder, and all written, electronic, oral or other communications between the Parties regarding this Agreement shall be in the English
language. 
 14.17    Counterparts. This Agreement may be executed in two or more
counterparts, each of which shall be deemed an original, but all of which together shall constitute one and the same instrument. 

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 IN WITNESS WHEREOF, the Parties intending to be bound have caused this Agreement to be
executed by their duly authorized representatives. 
  

									
	KYOWA HAKKO KIRIN CO., LTD.	 		 	MEI PHARMA, INC.
					
	By:	 	/s/ Masashi Miyamoto, Ph.D.	 		 	By:	 	/s/ Daniel P. Gold, Ph.D.
			
	Name: Masashi Miyamoto, Ph.D.	 		 	Name: Daniel P. Gold, Ph.D.
			
	Title: President & Chief Operating Officer	 		 	Title: President & Chief Executive Officer
					
	Date:	 	October 31, 2018	 		 	Date:	 	October 31, 2018

  
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that are marked with [*CONFIDENTIAL*]. The redacted portions have been filed separately with the SEC. 
  

 LIST OF SCHEDULES 
  

	 	•	 	 Schedule 1.30 (Compound Structure) 

 

	 	•	 	 Schedule 1.72 (MEI Patents) 

 

	 	•	 	 Schedule 2.4 (Transfer Plan) 

 

	 	•	 	 Schedule 4.2 (Development Plan) 

 

	 	•	 	 Schedule 5.9 (Data Protection Agreement) 

 

	 	•	 	 Schedule 6.1 (Development Supply) 

 

	 	•	 	 Schedule 10.6 (Joint Press Release) 

 A request for confidential treatment has been made with respect to portions of the following document
that are marked with [*CONFIDENTIAL*]. The redacted portions have been filed separately with the SEC. 
  

 Schedule 1.30 

Compound Structure [ONE PAGE HAS BEEN REDACTED] 

[*CONFIDENTIAL*] 

 A request for confidential treatment has been made with respect to portions of the following document
that are marked with [*CONFIDENTIAL*]. The redacted portions have been filed separately with the SEC. 
  

 Schedule 1.72 

MEI Patents [13 PAGES HAVE BEEN REDACTED] 

[*CONFIDENTIAL*] 

 A request for confidential treatment has been made with respect to portions of the following document
that are marked with [*CONFIDENTIAL*]. The redacted portions have been filed separately with the SEC. 
  

 Schedule 2.4 

Transfer Plan 
 MEI, at its own cost and
expense, shall disclose and make available to KHK the MEI Know-How in accordance with the following timeline. Additional transfer of MEI Know-How which are necessary for
Development in the Field in the Territory, and that are not listed in this Transfer Plan will be disclosed upon reasonable request by KHK and MEI will use Commercially Reasonable Efforts to disclose and make available such MEI Know-How to KHK during the Term. 
 [*CONFIDENTIAL*] 

 A request for confidential treatment has been made with respect to portions of the following document
that are marked with [*CONFIDENTIAL*]. The redacted portions have been filed separately with the SEC. 
  

 Schedule 4.2 

Development Plan 

Version: 0.0 (Initial) 

Effective date of the Development Plan: Effective Date of the Agreement 

[*CONFIDENTIAL*] [THREE PAGES HAVE BEEN REDACTED] 

 A request for confidential treatment has been made with respect to portions of the following document
that are marked with [*CONFIDENTIAL*]. The redacted portions have been filed separately with the SEC. 
  

 Schedule 5.9 

GDPR JOINT CONTROLLER AND ONWARD TRANSFER AGREEMENT 
  

	1.	 Kyowa Hakko Kirin Co. Ltd. (“KHK”) and MEI Pharma, Inc. (“MEI”) will both act
as a “joint controller” with respect to the “Personal Data” (terms as defined under Art. 26 and 4 (1) EU Regulation 2016/679 (“GDPR”)) and any other applicable data protection, data privacy and data
security laws applicable in the jurisdictions in the EU/EEA or Switzerland (together the “Data Protection Laws”) where either or both of the Parties are performing medical studies, and the Personal Data are provided to the Parties,
or are made accessible under the terms of the License, Development and Commercialization Agreement , dated as of October 31, 2018 (the “License Agreement” (to which this Schedule 5.9 is attached)) for the studies related to MEI’s
proprietary compound, ME-401 (each a “Study”). 

  

	2.	 Except as provided in the License Agreement, KHK shall not engage any processors to process any Personal Data
or share the Personal Data with any other third party without the prior specific or general written authorization of MEI. 

  

	3.	 MEI’s Privacy Representative, DPO Consultancy LLC, Reitscheweg 37, 5237 BB
‘s-Hertogenbosch, The Netherlands, is hereby designated as contact point for all data subjects and regulatory inquiries under this GDPR Data Joint Controller and Onward Transfer Agreement and Data
Protection Laws. 

  

	4.	 KHK and MEI both shall always comply with Data Protection Laws as applicable to joint controllers as defined by
Art. 26 GDPR and shall, in particular, fully comply with the following provisions: 

  

	 	(a)	 keep the Personal Data confidential in accordance with the License Agreement and applicable Data Protection
Laws; 

  

	 	(b)	 take all appropriate technical and organisational measures necessary to ensure that Personal Data are
protected against loss, destruction and damage, unauthorised access, use, modification, disclosure or other misuse and, at a minimum, comply with MEI’s Privacy Notice available at http://www.meipharma.com/privacy-notice; 

 

	 	(c)	 use the Personal Data obtained as a result of the License Agreement only for the purposes permitted in the
License Agreement and/or by Data Protection Laws and for no other purposes; 

  

	 	(d)	 ensure that only persons authorised by the joint controller have access to Personal Data and ensure the
reliability of the persons who will be approved by the joint controller to have 

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access to Personal Data and who otherwise process the Personal Data; 

  

	 	(e)	 notify each other immediately (within 24 hours) on becoming aware of a breach of its obligations as a joint
controller, and/or any actual, threatened, alleged or suspected data security incident involving the actual or alleged or threatened unlawful access, loss, destruction, restriction, anonymization and/or deletion of Personal Data; further, each joint
controller must keep records of processing activities it provided to the other joint controller; 

  

	 	(f)	 provide reasonable and prompt assistance with requests of the other joint controller in the management of
any actual, threatened, alleged or suspected, data security incident where the assistance of the joint controller is reasonably requested; 

  

	 	(g)	 provide reasonable and prompt assistance with requests of a joint controller to enable it to comply with its
obligations of providing access to Personal Data, restriction, anonymization, deletion and/or rectification of Personal Data under the Data Protection Laws; and 

 

	 	(h)	 allow the other joint controller or its representatives to audit its processing operations, systems and/or
facilities where reasonably required by the requesting joint controller to assess the other joint controller’s compliance with this GDPR Data Joint Controller and Onward Transfer Agreement and/or, at the requesting joint controller’s
option, promptly and fully co-operate and respond to all requests of the requesting joint controller for information to demonstrate the other joint controller’s compliance with this GDPR Data Joint
Controller and Onward Transfer Agreement and Data Protection Laws. The requesting joint controller shall pay for the costs of any third party it may engage to conduct an audit, unless in the case of a data security breach at the other joint
controller receiving such request. 

  

	5.	 On the termination of the License Agreement, howsoever arising, KHK shall return all copies of the
Personal Data to MEI, or, at MEI’s specific and written request, delete all copies of the Personal Data subject to applicable legal obligations on each joint controller to retain any such documents containing Personal Data (in which event the
other joint controller shall restrict the access to and processing of such Personal Data to the extent necessary to meet the requirements of such legally required obligations). 

 

	6.	 The License Agreement between the parties shall remain valid and in full force. In case of a conflict between
the License Agreement and this GDPR Data Joint Controller and Onward Transfer Agreement, this GDPR Data Joint Controller and Onward Transfer Agreement shall govern. 

 

	7.	 For the Personal Data that KHK will receive from MEI, or to which MEI will grant KHK access, the following
provisions shall apply: 

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	 	a.	 KHK is obligated to provide at least the same level of privacy protection for the Personal Data received from
MEI as is required by the EU-US and Swiss US Privacy Shield Principles (“Privacy Shield Principles”). This obligation shall apply at all times when Personal Data is transferred from the EU, EEA
and/or Switzerland to MEI, either directly or via onward transfer. A summary of the Privacy Shield Principles is attached as APPENDIX to this GDPR Data Joint Controller and Onward Transfer Agreement. A more detailed description is available
at www.privacyshield.gov. 

  

	 	b.	 KHK may only process Personal Data for the limited and specific purposes consistent with the License Agreement
and shall Process Personal Data through the performance of its obligations under the License Agreement. 

  

	 	c.	 KHK will take reasonable and appropriate technical and organizational security measures to protect the Personal
Data received from MEI from loss, misuse and unauthorized access, disclosure, alteration and destruction, taking into due account the risks involved in the processing and the nature of the Personal Data. KHK will regularly monitor compliance with
the safeguards in this Section 8 and the Appendix. KHK will not decrease its overall security efforts during the term of the License Agreement. 

  

	 	d.	 KHK will cooperate and take reasonable and appropriate steps to ensure that the Personal Data are processed in
a manner consistent with MEI’s obligations pursuant the Privacy Shield Principles. In particular, KHK will 

  

	 	i.	 reasonably respond to all inquiries from MEI relating to the processing of Personal Data subject to this GDPR
Data Joint Controller and Onward Transfer Agreement; 

  

	 	ii.	 fully cooperate with audit procedures, whereby audit procedures may not infringe on KHK’s contractual
confidentiality obligations towards third parties. 

  

	 	e.	 KHK will reasonably assist MEI in responding to individuals exercising their rights under the Privacy Shield
Principles and in case of complaints MEI receives under its Privacy Shield certification without directly responding to such requests by individuals, unless it has been otherwise authorised to do so. KHK will inform MEI about any legally binding
request for disclosure of Personal Data received from MEI unless applicable law prohibits such information. 

  

	 	f.	 KHK will notify MEI in writing and without undue delay if it makes a determination that it can no longer meet
the obligations and assurances as set out under this GDPR Data Joint Controller and Onward Transfer Agreement. When such a determination is made, KHK will assist MEI with any reasonable and appropriate steps to stop and remediate unauthorized
processing of Personal Data. If KHK’s ability to meet the obligations and assurances as set out under this GDPR Data Joint Controller and Onward Transfer 

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Agreement cannot be restored by reasonable and appropriate means, MEI shall have the right to terminate the License Agreement pursuant to Section 11.2(g) of the License Agreement.

  

	 	g.	 If KHK processes Personal Data on behalf of MEI in a manner that is inconsistent with the Privacy Shield
Principles, KHK will indemnify MEI for any damages incurred should MEI be held liable by an individual or entity, unless KHK demonstrates that it is not responsible for the event giving rise to the damages. 

 

	8.	 This Joint Controller and Onward Transfer Agreement shall be governed by and construed in accordance with the
laws of the State of New York without reference to any rules of conflict of laws with the exception of sections 5-1401 and 5-1402 of New York General Obligations Law,
unless mandatory Data Protection Law applies. Section 14.9 of the License Agreement (Dispute Resolution) shall also apply to any disputes between the Parties related to this Joint Controller and Onward Transfer Agreement. 

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that are marked with [*CONFIDENTIAL*]. The redacted portions have been filed separately with the SEC. 
  

 IN WITNESS WHEREOF, the parties hereto have executed or caused this GDPR Data Joint
Controller and Onward Transfer Agreement to be executed as of the day, month and year first below written. 

 

			
	MEI PHARMA, INC.

			
		
	By:	 	 

			
	Print Name: David M. Urso
	Title: SVP Corporate Development, COO & General Counsel

			
		
	Date:	 	 

			
	 Address:  3611 Valley Centre Drive, Suite 500
San Diego, CA 92130,
USA

 

			
	KYOWA HAKKO KIRIN CO. LTD.

			
		
	By:	 	 

			
	Print Name: Satoshi Nakanishi
	 Title:  Director, Corporate Social Responsibility Management
Department

			
		
	Date:	 	 

			
	
Address:  1-9-2
Otemachi, Chiyoda-ku,
Tokyo 100-0004, Japan

 
 

 A request for confidential treatment has been made with respect to portions of the following document
that are marked with [*CONFIDENTIAL*]. The redacted portions have been filed separately with the SEC. 
  

 APPENDIX TO SCHEDULE 5.9 

Summary of the Privacy Shield Principles (“Principles”) 

(see www.privacyshield.gov for further information: 

https://www.privacyshield.gov/servlet/servlet.FileDownload?file=015t00000004qAg = and EU- U.S.
Privacy Shield Framework 

https://www.trade.gov/td/services/odsi/swiss-us-privacyshield-framework.pdf
 = Swiss-U.S. Privacy Shield Framework – together the “Framework”) 

Introduction: 
 The Principles state: 

Sec 3. ACCOUNTABILITY FOR ONWARD TRANSFER 
 “a. To
transfer personal information to a third party acting as a controller, organizations must comply with the Notice and Choice Principles. Organizations must also enter into a contract with the third-party controller that provides that such data may
only be processed for limited and specified purposes consistent with the consent provided by the individual and that the recipient will provide the same level of protection as the Principles and will notify the organization if it makes a
determination that it can no longer meet this obligation. The contract shall provide that when such a determination is made the third party controller ceases processing or takes other reasonable and appropriate steps to remediate.” 

Sec. 10 c (i): 
 “For transfers between
controllers, the recipient controller need not be a Privacy Shield organization or have an independent recourse mechanism. The Privacy Shield organization must enter into a contract with the recipient third-party controller that provides for the
same level of protection as is available under the Privacy Shield, not including the requirement that the third party controller be a Privacy Shield organization or have an independent recourse mechanism, provided it makes available an equivalent
mechanism.” 
 The following text, based on the wording of the US Department of Commerce posted at https://www.privacyshield.gov/article?id=Requirements-of-Participation, describes the obligations of KHK as the recipient (third party) controller for the Personal Data under the Framework, in particular
under its cited Sections 3 (a) and 10 c (i): 
 1. NOTICE 

a. An organization must inform individuals about: 

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 i. the types of personal data collected and, where applicable, the entities or
subsidiaries of the organization also adhering to the Principles, 
 ii. its commitment to subject to the Principles all personal data
received from the EU in reliance on the Privacy Shield, 
 iii. the purposes for which it collects and uses personal information about
them,
 iv. how to contact the organization with any inquiries or complaints, including any relevant establishment in the EU that can
respond to such inquiries or complaints,
 v. the type or identity of third parties to which it discloses personal information, and the
purposes for which it does so,
 vi. the right of individuals to access their personal data,

vii. the choices and means the organization offers individuals for limiting the use and disclosure of their personal data, 

viii. an equivalent recourse designated to address complaints and provide appropriate recourse free of charge to the individual, 

ix. the requirement to disclose personal information in response to lawful requests by public authorities, including to meet national
security or law enforcement requirements, and 
 x. its liability in cases of onward transfers to third parties. 

b. This notice must be provided in clear and conspicuous language when individuals are first asked to provide personal information to the organization or
as soon thereafter as is practicable, but in any event before the organization uses such information for a purpose other than that for which it was originally collected or processed by the transferring organization or discloses it for the first time
to a third party.
 2. CHOICE 
 a. An organization
must offer individuals the opportunity to choose (opt out) whether their personal information is (i) to be disclosed to a third party or (ii) to be used for a purpose that is materially different from the purpose(s) for which it was
originally collected or subsequently authorized by the individuals. Individuals must be provided with clear, conspicuous, and readily available mechanisms to exercise choice. 

b. By derogation to the previous paragraph, it is not necessary to provide choice when disclosure is made to a third party that is acting as an agent to
perform task(s) on behalf of and under the instructions of the organization. However, an organization shall always enter into a contract with the agent. 

c. For sensitive information (i.e., personal information specifying medical or health conditions, racial or

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ethnic origin, political opinions, religious or philosophical beliefs, trade union membership or information specifying the sex life of the individual), organizations must obtain affirmative
express consent (opt in) from individuals if such information is to be (i) disclosed to a third party or (ii) used for a purpose other than those for which it was originally collected or subsequently authorized by the individuals through
the exercise of opt-in choice. In addition, an organization should treat as sensitive any personal information received from a third party where the third party identifies and treats it as sensitive. 

3. ACCOUNTABILITY FOR ONWARD TRANSFER 
 a. To
transfer personal information to a third party acting as a controller, organizations must comply with the Notice and Choice Principles (Sections 1 and 2 above). Organizations must also enter into a contract with the third-party controller that
provides that such data may only be processed for limited and specified purposes consistent with the consent provided by the individual and that the recipient will provide the same level of protection as the Principles and will notify the
organization if it makes a determination that it can no longer meet this obligation. The contract shall provide that when such a determination is made the third party controller ceases processing or takes other reasonable and appropriate steps
to remediate. 
 b. To transfer personal data to a third party acting as an agent, organizations must: (i) transfer such data only for limited and
specified purposes; (ii) ascertain that the agent is obligated to provide at least the same level of privacy protection as is required by the Principles; (iii) take reasonable and appropriate steps to ensure that the agent effectively
processes the personal information transferred in a manner consistent with the organization’s obligations under the Principles; (iv) require the agent to notify the organization if it makes a determination that it can no longer meet its
obligation to provide the same level of protection as is required by the Principles; (v) upon notice, including under (iv), take reasonable and appropriate steps to stop and remediate unauthorized processing; and (vi) provide a
summary or a representative copy of the relevant privacy provisions of its contract with that agent to the US Department of Commerce upon request. 
 4.
SECURITY 
 a. Organizations creating, maintaining, using or disseminating personal information must take reasonable and appropriate measures to
protect it from loss, misuse and unauthorized access, disclosure, alteration and destruction, taking into due account the risks involved in the processing and the nature of the personal data. 

5. DATA INTEGRITY AND PURPOSE LIMITATIONS 

a. Consistent with the Principles, personal information must be limited to the information that is relevant for the purposes of processing. An
organization may not process personal information in a way 

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that is incompatible with the purposes for which it has been collected or subsequently authorized by the individual. To the extent necessary for those purposes, an organization must take
reasonable steps to ensure that personal data is reliable for its intended use, accurate, complete, and current. An organization must adhere to the Principles for as long as it retains such information. 

b. Information may be retained in a form identifying or making identifiable the individual only for as long as it serves a purpose of processing within the
meaning of 5a. This obligation does not prevent organizations from processing personal information for longer periods for the time and to the extent such processing reasonably serves the purposes of archiving in the public interest, journalism,
literature and art, scientific or historical research, and statistical analysis. In these cases, such processing shall be subject to the other Principles and provisions of the Framework. Organizations should take reasonable and appropriate measures
in complying with this provision.  
 2. Depending on the circumstances, examples of compatible processing purposes may include those that
reasonably serve customer relations, compliance and legal considerations, auditing, security and fraud prevention, preserving or defending the organization’s legal rights, or other purposes consistent with the expectations of a reasonable
person given the context of the collection.  
 3. In this context, if, given the means of identification reasonably likely to be used
(considering, among other things, the costs of and the amount of time required for identification and the available technology at the time of the processing) and the form in which the data is retained, an individual could reasonably be identified by
the organization, or a third party if it would have access to the data, then the individual is “identifiable.” 
 6. ACCESS 

Individuals must have access to personal information about them that an organization holds and be able to correct, amend, or delete that information where it
is inaccurate, or has been processed in violation of the Principles, except where the burden or expense of providing access would be disproportionate to the risks to the individual’s privacy in the case in question, or where the rights of
persons other than the individual would be violated. 
 7. RECOURSE, ENFORCEMENT AND LIABILITY 

a. Effective privacy protection must include robust mechanisms for assuring compliance with the Principles, recourse for individuals who are affected by non-compliance with the Principles, and consequences for the organization when the Principles are not followed. At a minimum such mechanisms must include:

i. readily available recourse mechanisms by which each individual’s complaints and disputes are investigated and expeditiously
resolved;

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 ii. follow-up procedures for verifying that the
attestations and assertions organizations make about their privacy practices are true and that privacy practices have been implemented as presented and, in particular, with regard to cases of non-compliance;
and
 iii. obligations to remedy problems arising out of failure to comply with the Principles by organizations announcing their
adherence to them and consequences for such organizations. Sanctions must be sufficiently rigorous to ensure compliance by organizations. 
 b. Organizations
will respond promptly to inquiries and requests by the Department for information relating to the Privacy Shield. All organizations must respond expeditiously to complaints regarding compliance with the Principles referred by EU Member State
authorities through the Department. Organizations that have chosen to cooperate with DPAs, including organizations that process human resources data, must respond directly to such authorities with regard to the investigation and resolution of
complaints. 
 c. In the context of an onward transfer, a Privacy Shield organization has responsibility for the processing of personal information it
receives under the Privacy Shield and subsequently transfers to a third party acting as an agent on its behalf. The Privacy Shield organization shall remain liable under the Principles if its agent processes such personal information in a manner
inconsistent with the Principles, unless the organization proves that it is not responsible for the event giving rise to the damage. 

*    *    * 

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that are marked with [*CONFIDENTIAL*]. The redacted portions have been filed separately with the SEC. 
  

 Schedule 6.1 

Development Supply 
  

	1.	 Manufacturer locations 

[*CONFIDENTIAL*] 
  

	2.	 Timing of initial supply 

[*CONFIDENTIAL*] 
  

	3.	 Amount and forms of Supply Items for initial supply 

[*CONFIDENTIAL*] 

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that are marked with [*CONFIDENTIAL*]. The redacted portions have been filed separately with the SEC. 
  

 Schedule 10.6 

Joint Press Release 

MEI Pharma and Kyowa Hakko Kirin Announce License Agreement to Develop and Commercialize ME-401 in
Japan 
 MEI to Receive $10 Million Upfront Payment, Plus Milestones and Tiered Royalty Payments 

SAN DIEGO, and TOKYO, November 5, 2018 – MEI Pharma, Inc. (NASDAQ: MEIP) and Kyowa Hakko Kirin Co., Ltd. (Tokyo: 4151, “Kyowa Hakko Kirin”),
today announced the execution of a license development and commercialization agreement (“License Agreement”) granting Kyowa Hakko Kirin exclusive rights to develop and commercialize ME-401 in Japan. ME-401 is MEI’s phosphatidylinositol 3-kinase (“PI3K”) delta inhibitor being developed by MEI for the treatment of patients with
B-cell malignancies. MEI is planning to initiate a Phase 2 study to evaluate patients with follicular lymphoma that is intended to support an accelerated approval marketing application with the U.S. Food and
Drug Administration. 
 Under the terms of the License Agreement, MEI will receive a $10 million upfront payment and is eligible to receive additional
development and commercialization milestones totaling up to $87.5 million. MEI is also eligible to receive tiered double-digit royalties extending into the mid-teens. The agreement grants Kyowa Hakko
Kirin exclusive rights to ME-401 to develop and commercialize ME-401 in Japan. The initial indication for development and regulatory approval under the agreement is
relapsed or refractory follicular lymphoma. 
 “Kyowa Hakko Kirin is a well-regarded leader in the development and commercialization of hematology and
oncology therapies in Japan,” said David M. Urso., J.D., Chief Operating Officer of MEI Pharma. “This agreement is important for MEI as an opportunity to expand the development of ME-401 as a
potential best-in-class PI3K delta inhibitor outside of the U.S. and is consistent with our strategy to optimize value through partnering opportunities abroad while
developing capabilities for domestic commercialization.” 
 “I am delighted to enter into an agreement with MEI Pharma for the development and
commercialization of ME-401 in Japan,” said Wataru Murata, Executive Officer, Director of Corporate Strategy & Planning Department. “We believe that ME-401 will be an important drug
candidate in our oncology pipeline.” 
 Kyowa Hakko Kirin plans to initiate a Phase 1 study in Japan in 2019. 

About ME-401 ME-401 is an investigational oral phosphatidylinositol 3-kinase (“PI3K”) delta inhibitor; PI3K delta is often overexpressed in cancer cells and plays a key role in the proliferation and survival of hematologic cancer cells.
ME-401 displays high selectivity for the PI3K delta isoform and has distinct pharmaceutical properties from other PI3K delta inhibitors. It is being clinically evaluated in patients with various B-cell malignancies. MEI is initiating a Phase 2 study to evaluate the efficacy, safety, and tolerability of ME-401 as a single agent in patients with follicular lymphoma
after failure of at least two prior systemic 

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that are marked with [*CONFIDENTIAL*]. The redacted portions have been filed separately with the SEC. 
  

 
therapies including chemotherapy and an anti-CD20 antibody. The Phase 2 study is intended to support an accelerated approval marketing application with the U.S. Food and Drug Administration.

 About MEI Pharma, Inc. 
 MEI Pharma, Inc. (Nasdaq:
MEIP) is a San Diego-based pharmaceutical company focused on leveraging its extensive development and oncology expertise to identify and advance new therapies for cancer. The Company’s portfolio of drug candidates includes pracinostat, an
oral HDAC inhibitor that is partnered with Helsinn Healthcare, SA. Pracinostat has been granted Breakthrough Therapy Designation from the U.S. Food and Drug Administration for use in combination with azacitidine for the treatment of patients with
newly diagnosed acute myeloid leukemia (AML) who are unfit for intensive chemotherapy. Pracinostat is also being developed in combination with azacitidine for the treatment of patients with high and very high-risk myelodysplastic syndrome (MDS). MEI
Pharma’s clinical development pipeline also includes ME-401, a highly differentiated oral PI3K delta inhibitor currently in a Phase 1b study in patients with relapsed refractory follicular
lymphoma or CLL, and voruciclib, an oral, selective CDK inhibitor shown to suppress MCL1, a known mechanism of resistance to BCL2 inhibitors. The Company is also developing ME-344, a novel mitochondrial
inhibitor currently in an investigator-initiated study in combination with bevacizumab evaluating patients with HER2-negative breast cancer. Pracinostat, ME-401, ME-344
and voruciclib are investigational agents and are not approved for use in the U.S. For more information, please visit www.meipharma.com. 

About Kyowa Hakko Kirin Co., Ltd. 
 Kyowa Hakko Kirin
Co., Ltd. is a research-based life sciences company, with special strengths in biotechnologies. In the core therapeutic areas of oncology, nephrology and immunology/allergy, Kyowa Hakko Kirin leverages leading-edge biotechnologies centered on
antibody technologies, to continually discover innovative new drugs and to develop and market those drugs world-wide. In this way, the company is working to realize its vision of becoming a Japan-based global specialty pharmaceutical company that
contributes to the health and wellbeing of people around the world. 
 You can learn more about the business at: www.kyowa-kirin.com. 

Forward-Looking Statements  

Under U.S. law, a new drug cannot be marketed until it has been investigated in clinical studies and approved by the FDA as being safe and effective for the
intended use. Statements included in this press release that are not historical in nature are “forward-looking statements” within the meaning of the “safe harbor” provisions of the Private Securities Litigation Reform Act of
1995. You should be aware that our actual results could differ materially from those contained in the forward-looking statements, which are based on management’s current expectations and are subject to a number of risks and uncertainties,
including, but not limited to, our failure to successfully commercialize our product candidates; costs and delays in the development and/or FDA approval, or the failure to obtain such approval, of our product candidates; uncertainties or differences
in interpretation in clinical trial results; our inability to maintain or enter into, and the risks resulting from our dependence upon, collaboration or contractual arrangements necessary for the development, manufacture, commercialization,
marketing, sales and distribution of any products; competitive factors; our inability to protect our patents or proprietary rights and obtain necessary rights to third party patents and intellectual property to operate our business; our inability to
operate our business without infringing the patents and proprietary rights of others; general economic conditions; the failure of any products to gain market acceptance; our inability to obtain any

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additional required financing; technological changes; government regulation; changes in industry practice; and one-time events. We do not intend to update
any of these factors or to publicly announce the results of any revisions to these forward-looking statements. 
 Contacts for MEI Pharma, Inc.: 

David A. Walsey 
 VP of IR and Corporate Communications 

Tel: 858-369-7104 

investor@meipharma.com 
 Jason I. Spark 

Canale Communications for MEI 
 Tel: 619-849-6005 
 jason@canalecomm.com 

Contacts for Kyowa Hakko Kirin Co., Ltd.: 
 Hiroki
Nakamura 
 Tel:+81-3-5205-7205 

Email: media@kyowa-kirin.co.jpwms-ex101_344.htm

Exhibit 10.1

AMENDMENT TO STOCK OPTION AGREEMENTS

This AMENDMENT TO STOCK OPTION AGREEMENTS (this “Amendment”) is entered into effective as of _______ ___, 20___ by and between Advanced Drainage Systems, Inc., a Delaware corporation (the “Company”), and the undersigned (the “Optionee”).

WHEREAS, under the Company’s 2000 Incentive Stock Option Plan and/or 2013 Stock Option Plan (each, as amended), the Company and the Optionee entered into one or more Incentive Stock Option Agreements and/or Non-Qualified Stock Option Agreements (each, an “Agreement” and collectively, the “Agreements”), pursuant to which the Company granted to the Optionee options to purchase shares of common stock of the Company; and

WHEREAS, the Company and the Optionee desire to amend each of the Agreements as set forth in this Amendment.

NOW, THEREFORE, in consideration of the premises and the mutual covenants contained herein, and other good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the parties hereto agree as follows:

1.Definitions. Capitalized terms used herein but not defined herein shall have the respective meanings set forth in the Agreements.

2.Amendment. Each of the Agreements is hereby amended by deleting §7 and replacing it with the following:

§7.Payment of Option Price. At the time of exercise of the Option, the Optionee shall pay the entire option price for the Option Shares being purchased (a) in cash or by check, (b) in Stock or (c) in any combination of cash, check and Stock. The Board, in its sole discretion, shall establish the value of any Stock that is used in payment of the option price. Payment for any Option Shares to be purchased upon exercise of an Option may also be made by delivering a properly executed exercise notice to the Company, together with a copy of irrevocable instructions to a broker to deliver promptly to the Company the amount of sale or loan proceeds to pay the option price and applicable tax withholding amounts (if any). Upon receipt of the entire option price for the Stock being purchased and compliance by the Optionee with any other applicable requirements hereunder, the Company shall forthwith cause certificates for such Stock to be delivered to the Optionee. 

 

3.Reaffirmation. The parties hereby ratify and reaffirm all of the other terms and conditions of the Agreements and such Agreements, as amended and supplemented by this Amendment, shall remain in full force and effect. 

4.Counterparts. This Amendment may be executed in one or more counterparts, each of which shall be deemed to be an original.

[Signature Page Follows]

010-8729-6772/2

 
 

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

 

ADVANCED DRAINAGE SYSTEMS, INC.

By: 

Name: 

Title: 

 

OPTIONEE:

 

Print Name: 

2

010-8729-6772/2

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