Common use of SPECIAL TYPES OF COLLATERAL Clause in Contracts

SPECIAL TYPES OF COLLATERAL. a. The Company and its subsidiaries own (or have any ownership interest in) the following kinds of assets. (If the answer is “Yes” to any of the following questions, please attach a schedule describing each such asset owned by the Company or its subsidiaries and identifying which party owns the asset.) Copyrights or copyright applications registered with the U.S. Copyright Office Yes ¨ No x Software registered with the U.S. Copyright Office Yes ¨ No x Software not registered with the U.S. Copyright Office Yes x No ¨ Patents and patent applications Yes x No ¨ Trademarks or trademark applications (including any service marks, collective marks and certification marks) Yes x No ¨ Licenses to use trademarks, patents and copyrights of others Yes x No ¨ Licenses, permits (including environmental), authorizations, or certifications issued by federal, state, or local governments issued to the Company and/or its subsidiaries or with respect to their assets, properties, or businesses Yes x No ¨ Stocks, bonds or other securities Yes x No ¨ Promissory notes, or other instruments or evidence of indebtedness Yes ¨ No x Leases of equipment, security agreements naming such person as secured party or other chattel paper Yes x No ¨ Aircraft Yes ¨ No x Vessels, Boats or Ships Yes ¨ No x To: Silicon Valley Bank Perfection Certificate Railroad Rolling Stock Yes ¨ No x Motor Vehicles Yes ¨ No x

SPECIAL TYPES OF COLLATERAL. a. The Company and its subsidiaries own (or have any ownership interest in) the following kinds of assets. (If the answer is “Yes” to any of the following questions, please attach a schedule describing each such asset owned by the Company or its subsidiaries and identifying which party owns the asset.) Overview explanation Copyrights or copyright applications registered with the U.S. Copyright Office Yes ¨ No x þ Software registered with the U.S. Copyright Office Yes ¨ No x þ Software not registered with the U.S. Copyright Office Yes x ¨ No ¨ þ Patents and patent applications Yes x þ No ¨ Trademarks or trademark applications (including any service marks, collective marks and certification marks) Yes x þ No ¨ Licenses to use trademarks, patents and copyrights of others Yes x ¨ No ¨ þ Licenses, permits (including environmental), authorizations, or certifications issued by federal, state, or local governments issued to the Company and/or its subsidiaries or with respect to their assets, properties, or businesses Yes x ¨ No ¨ þ To: Silicon Valley Bank Perfection Certificate Stocks, bonds or other securities held by the Company or its subsidiaries in other entities (Company or sub is the stock owner) Yes x ¨ No ¨ þ Promissory notes, or other instruments or evidence of indebtedness issued in favor of the Company or any of its subsidiaries (Company or sub is the lender) Yes ¨ No x þ Leases of equipment, security agreements naming such person the Company or its subsidiaries as secured party or other chattel paper (Company or sub is the lessor/secured party) Yes x þ No ¨ Aircraft Yes ¨ No x þ Vessels, Boats or Ships Yes ¨ No x To: Silicon Valley Bank Perfection Certificate þ Railroad Rolling Stock Yes ¨ No x þ Motor Vehicles Yes ¨ No xþ If the answer is “yes” to any of the above questions, attach a Schedule 5(a) listing each asset owned by the Company and/or its subsidiaries (separately identified and scheduled for each entity) and identifying which party owns the asset, the relevant jurisdiction (such as IP registered in non-U.S. jurisdictions or the jurisdiction under which a motor vehicle is registered), each registration, application, or other identification number, and all other relevant information. In the cases of licenses, include the relevant parties and the specific property being licensed, and, if any licenses are material to the Company’s and/or any of its subsidiaries’ business, provide copies of such licenses.

SPECIAL TYPES OF COLLATERAL. a. 4.1 The Company and its subsidiaries own (or have any ownership interest in) the following kinds of assets. (If the answer is “Yes” to any of the following questions, please attach a schedule describing each such asset owned by the Company or its subsidiaries and identifying which party owns the asset.) Copyrights or copyright applications registered with the U.S. Copyright Office [state appropriate filing office] Yes ¨ ☐ No x ☐ Software registered with the U.S. Copyright Office [state appropriate filing office] Yes ¨ ☐ No x Software not registered with the U.S. Copyright Office ☐ Unregistered software Yes x ☐ No ¨ ☐ Patents and patent applications Yes x ☐ No ¨ ☐ Trademarks or trademark applications (including any service marks, collective marks and certification marks) Yes x ☐ No ¨ ☐ Licenses to use trademarks, patents and copyrights of others Yes x ☐ No ¨ ☐ Licenses, permits (including environmental), authorizationsauthorisations, or certifications issued by federal, state, or local governments issued to the Company and/or its subsidiaries or with respect to their assets, properties, or businesses Yes x ☐ No ¨ ☐ Stocks, bonds or other securities Yes x ☐ No ¨ ☐ Promissory notes, or other instruments or evidence of indebtedness Yes ¨ ☐ No x ☐ Leases of equipment, security agreements naming such person as secured party or other chattel paper Yes x ☐ No ¨ ☐ Aircraft Yes ¨ ☐ No x ☐ Vessels, Boats or Ships Yes ¨ ☐ No x To: Silicon Valley Bank Perfection Certificate ☐ Railroad Rolling Stock Yes ¨ ☐ No x ☐ Motor Vehicles Yes ¨ ☐ No x☐

SPECIAL TYPES OF COLLATERAL. a. The Company and its subsidiaries own (or have any ownership interest in) the following kinds of assets. (If the answer is “Yes” to any of the following questions, please attach a schedule describing each such asset owned by the Company or its subsidiaries and identifying which party owns the asset.) Copyrights or copyright applications registered with the U.S. Copyright Office Yes ¨ ☒ No x ☐ Software registered with the U.S. Copyright Office Yes ¨ ☐ No x ☒ Software not registered with the U.S. Copyright Office Yes x ☐ No ¨ ☒ Patents and patent applications Provided to Agent in Data Room (see Section 3). Yes x ☒ No ¨ ☐ Trademarks or trademark applications (including any service marks, collective marks and certification marks) Provided to Agent in Data Room (see Section 3). Yes x ☒ No ¨ ☐ Licenses to use trademarks, patents and copyrights of others Provided to Agent in Data Room (see Section 3). Yes x ☒ No ¨ ☐ Licenses, permits (including environmental), authorizations, or certifications issued by federal, state, or local governments issued to the Company and/or its subsidiaries or with respect to their assets, properties, or businesses Provided to Agent in Data Room (see Section 2.2). Yes x ☒ No ¨ ☐ Stocks, bonds or other securities held by the Company or its subsidiaries in other entities (Company or sub is the stock owner) Yes x ☐ No ¨ ☒ Promissory notes, or other instruments or evidence of indebtedness issued in favor of the Company or any of its subsidiaries (Company or sub is the lender) Yes ¨ ☐ No x ☒ Leases of equipment, security agreements naming such person the Company or its subsidiaries as secured party or other chattel paper (Company or sub is the lessor/secured party) Yes x ☐ No ¨ ☒ Aircraft Yes ¨ ☐ No x ☒ Vessels, Boats or Ships Yes ¨ ☐ No x To: Silicon Valley Bank Perfection Certificate ☒ Railroad Rolling Stock Yes ¨ ☐ No x ☒ Motor Vehicles Yes ¨ ☐ No x☒ If the answer is “yes” to any of the above questions, attach a Schedule 5(a) listing each asset owned by the Company and/or its subsidiaries (separately identified and scheduled for each entity) and identifying which party owns the asset, the relevant jurisdiction (such as IP registered in non-U.S. jurisdictions or the jurisdiction under which a motor vehicle is registered), each registration, application, or other identification number, and all other relevant information. In the cases of licenses, include the relevant parties and the specific property being licensed, and, if any licenses are material to the Company’s and/or any of its subsidiaries’ business, provide copies of such licenses. Provided to Agent in Data Room (see sections noted above). The following are all banks, brokerages, or financial institutions at which the Company and its subsidiaries maintain deposit or securities accounts: Institution Name and Address Account Number Average Balance in Account Name of Account Owner Silicon Valley Bank 0000 Xxxxxx Xxxxx, Xxxxx Xxxxx, XX 00000 XXX xxxxxx1856 $50K over last 3 months ending balance Stealth BioTherapeutics Inc. Silicon Valley Bank 0000 Xxxxxx Xxxxx, Xxxxx Xxxxx, XX 00000 XXX xxxxxx3337 $2.2M over last 3 months ending balance Stealth BioTherapeutics Inc. Silicon Valley Bank 0000 Xxxxxx Xxxxx, Xxxxx Xxxxx, XX 00000 XXX xxxxxx7148 $50K over last 3 months ending balance Stealth BioTherapeutics Corp Silicon Valley Bank 0000 Xxxxxx Xxxxx, Xxxxx Xxxxx, XX 00000 XXX xxxxxx3385 $3.8M over last 3 months ending balance Stealth BioTherapeutics Corp

SPECIAL TYPES OF COLLATERAL. a. The Company and its subsidiaries own (or have any ownership interest in) the following kinds of assets. (If the answer is “Yes” to any of the following questions, please attach a schedule describing each such asset owned by the Company or its subsidiaries and identifying which party owns the asset.) Copyrights or copyright applications registered with the U.S. Copyright Office Yes ¨ No x Software registered with the U.S. Copyright Office Yes ¨ No x Software not registered with the U.S. Copyright Office Yes x No ¨ Patents and patent applications Yes x No ¨ Trademarks or trademark applications (including any service marks, collective marks and certification marks) Yes x No ¨ Licenses to use trademarks, patents and copyrights of others Yes x No ¨ Licenses, permits (including environmental), authorizations, or certifications issued by federal, state, or local governments issued to the Company and/or its subsidiaries or with respect to their assets, properties, or businesses Yes ¨ No x No ¨ Stocks, bonds or other securities Yes ¨ No x No ¨ Promissory notes, or other instruments or evidence of indebtedness Yes x No ¨ No x To: Silicon Valley Bank Perfection Certificate Leases of equipment, security agreements naming such person as secured party or other chattel paper Yes x No ¨ Aircraft Yes ¨ No x Vessels, Boats or Ships Yes ¨ No x To: Silicon Valley Bank Perfection Certificate Railroad Rolling Stock Yes ¨ No x Motor Vehicles Yes ¨ No x

SPECIAL TYPES OF COLLATERAL. a. The Company and its subsidiaries own (or have any ownership interest in) the following kinds of assets. (If the answer is “"Yes” " to any of the following questions, please attach a schedule describing each such asset owned by the Company or its subsidiaries and identifying which party owns the asset.) Copyrights or copyright applications registered with the U.S. Copyright Office Yes ¨ [ ] No x [ ] Software registered with the U.S. Copyright Office Yes ¨ [ ] No x [ ] Software not registered with the U.S. Copyright Office Yes x [ ] No ¨ [ ] Patents and patent applications Yes x [ ] No ¨ [ ] Trademarks or trademark applications (including any service marks, collective marks and certification marks) Yes x [ ] No ¨ [ ] Licenses to use trademarks, patents and copyrights of others Yes x [ ] No ¨ [ ] Licenses, permits (including environmental), authorizations, or certifications issued by federal, state, or local governments issued to the Company and/or its subsidiaries or with respect to their assets, properties, or businesses Yes x [ ] No ¨ [ ] Stocks, bonds or other securities Yes x [ ] No ¨ [ ] Promissory notes, or other instruments or evidence of indebtedness Yes ¨ [ ] No x [ ] Leases of equipment, security agreements naming such person as secured party or other chattel paper Yes x [ ] No ¨ [ ] Aircraft Yes ¨ [ ] No x [ ] Vessels, Boats or Ships Yes ¨ [ ] No x To: Silicon Valley Bank Perfection Certificate [ ] Railroad Rolling Stock Yes ¨ [ ] No x [ ] Motor Vehicles Yes ¨ [ ] No x[ ]