Common use of FORM OF OFFICER’S CERTIFICATE Clause in Contracts

FORM OF OFFICER’S CERTIFICATE. This Officer’s Certificate (“Certificate”) is being delivered pursuant to Section 8(c) of that certain Purchase Agreement dated as of September 8, 2020, (“Purchase Agreement”), by and between CELSION CORPORATION, a Delaware corporation (the “Company”), and LINCOLN PARK CAPITAL FUND, LLC (the “Investor”). Capitalized terms used herein and not otherwise defined shall have the meanings ascribed to them in the Purchase Agreement. The undersigned, [ ], [ ] of the Company, hereby certifies, on behalf of the Company and not in his individual capacity, as follows:

FORM OF OFFICER’S CERTIFICATE. This Officer’s Certificate (“Certificate”) is being delivered pursuant to Section 8(c8(d) of that certain Purchase Agreement dated as of September 8July __, 20202021, (“Purchase Agreement”), by and between CELSION CORPORATIONNETLIST, INC., a Delaware corporation (the “Company”), and LINCOLN PARK CAPITAL FUND, LLC (the “Investor”). Capitalized terms Terms used herein and not otherwise defined shall have the meanings ascribed to them in the Purchase Agreement. The undersigned, [ ]___________, [ ] ______________ of the Company, hereby certifies, on behalf of the Company and not in his individual capacity, as follows:

FORM OF OFFICER’S CERTIFICATE. This Officer’s Certificate (“Certificate”) is being delivered pursuant to [Section 8(c) 8(i)(c)] [Section 8(ii)(e)] of that certain Purchase Agreement dated as of September 8June 16, 20202015, (“Purchase Agreement”), by and between CELSION KONARED CORPORATION, a Delaware Nevada corporation (the “Company”), and LINCOLN PARK CAPITAL FUND, LLC (the “Investor”). Capitalized terms Terms used herein and not otherwise defined shall have the meanings ascribed to them in the Purchase Agreement. The undersigned, [ ]___________, [ ] ______________ of the Company, hereby certifies, on behalf of the Company and not in his individual capacity, certifies as follows:

FORM OF OFFICER’S CERTIFICATE. This Officer’s Certificate (“Certificate”) is being delivered pursuant to Section 8(c8(e) of that certain Purchase Agreement dated as of September 821, 20202018, (“Purchase Agreement”), by and between CELSION CORPORATIONCYTORI THERAPEUTICS, INC., a Delaware corporation (the “Company”), and LINCOLN PARK CAPITAL FUND, LLC (the “Investor”). Capitalized terms Terms used herein and not otherwise defined shall have the meanings ascribed to them in the Purchase Agreement. The undersigned, [ ]___________, [ ] ______________ of the Company, hereby certifies, on behalf of the Company and not in his individual capacity, as follows:

FORM OF OFFICER’S CERTIFICATE. This Officer’s Certificate (“Certificate”) is being delivered pursuant to Section 8(c8(e) of that certain Purchase Agreement dated as of September 8August 4, 2020, 2023 (the “Purchase Agreement”), by and between CELSION CORPORATIONIBIO, INC., a Delaware corporation (the “Company”), and LINCOLN PARK CAPITAL FUND, LLC (the “Investor”). Capitalized terms used herein and not otherwise defined shall have the meanings ascribed to them in the Purchase Agreement. The undersigned, [ ]___________, [ ] ______________ of the Company, hereby certifies, on behalf of the Company and not in his individual capacity, as follows:

FORM OF OFFICER’S CERTIFICATE. This Officer’s Certificate (“Certificate”) is being delivered pursuant to Section 8(c8(d) of that certain Purchase Agreement dated as of September 828, 20202021, (“Purchase Agreement”), by and between CELSION CORPORATIONNETLIST, INC., a Delaware corporation (the “Company”), and LINCOLN PARK CAPITAL FUND, LLC (the “Investor”). Capitalized terms Terms used herein and not otherwise defined shall have the meanings ascribed to them in the Purchase Agreement. The undersigned, [ ]___________, [ ] ______________ of the Company, hereby certifies, on behalf of the Company and not in his individual capacity, as follows:

FORM OF OFFICER’S CERTIFICATE. This Officer’s Certificate (“Certificate”) is being delivered pursuant to [Section 8(c) 8(I)(c)] [Section 8(II)(e)] of that certain Purchase Agreement dated as of September 8May 15, 20202019, (“Purchase Agreement”), by and between CELSION CORPORATIONINMUNE BIO INC., a Delaware Nevada corporation (the “Company”), and LINCOLN PARK CAPITAL FUND, LLC (the “Investor”). Capitalized terms Terms used herein and not otherwise defined shall have the meanings ascribed to them in the Purchase Agreement. The undersigned, [ ]___________, [ ] ______________ of the Company, hereby certifies, on behalf of the Company and not in his individual capacity, as follows:

FORM OF OFFICER’S CERTIFICATE. This Officer’s Certificate (“Certificate”) is being delivered pursuant to Section 8(c8(d) of that certain Purchase Agreement dated as of September 8December 3, 2020, 2021 (“Purchase Agreement”), by and between CELSION CORPORATIONTONIX PHARMACEUTICALS HOLDING CORP., a Delaware Nevada corporation (the “Company”), and LINCOLN PARK CAPITAL FUND, LLC (the “Investor”). Capitalized terms Terms used herein and not otherwise defined shall have the meanings ascribed to them in the Purchase Agreement. The undersigned, [ ]___________, [ ] ______________ of the Company, hereby certifies, on behalf of the Company and not in his individual capacity, as follows:

FORM OF OFFICER’S CERTIFICATE. This Officer’s Certificate (“Certificate”) is being delivered pursuant to Section 8(c8(d) of that certain Purchase Agreement dated as of September 81, 20202022, (“Purchase Agreement”), by and between CELSION CORPORATIONONE WORLD PRODUCTS, INC., a Delaware Nevada corporation (the “Company”), and LINCOLN PARK CAPITAL FUNDTYSADCO PARTNERS, LLC (the “Investor”). Capitalized terms Terms used herein and not otherwise defined shall have the meanings ascribed to them in the Purchase Agreement. The undersigned, [ ]___________, [ ] ______________ of the Company, hereby certifies, on behalf of the Company and not in his individual capacity, as follows:

FORM OF OFFICER’S CERTIFICATE. This Officer’s Certificate (“Certificate”) is being delivered pursuant to Section 8(c) of that certain Purchase Agreement dated as of September 8January 25, 20202021, (“Purchase Agreement”), by and between CELSION LITHIUM CORPORATION, a Delaware Nevada corporation (the “Company”), and LINCOLN PARK CAPITAL FUND, LLC (the “Investor”). Capitalized terms used herein and not otherwise defined shall have the meanings ascribed to them in the Purchase Agreement. The undersigned, [ ]Xxx Xxxxx, [ ] President of the Company, hereby certifies, on behalf of the Company and not in his individual capacity, as follows:

FORM OF OFFICER’S CERTIFICATE. This Officer’s Certificate (“Certificate”) is being delivered pursuant to Section 8(c8(d) of that certain Purchase Agreement dated as of September 8December ___, 20202016, (“Purchase Agreement”), by and between CELSION CORPORATIONSENOMYX, INC., a Delaware corporation (the “Company”), and LINCOLN PARK CAPITAL FUND, LLC (the “Investor”). Capitalized terms Terms used herein and not otherwise defined shall have the meanings ascribed to them in the Purchase Agreement. The undersigned, [ [______________], [ [______________] of the Company, hereby certifies, on behalf of the Company and not in his individual capacity, as follows:

FORM OF OFFICER’S CERTIFICATE. This Officer’s Certificate (“Certificate”) is being delivered pursuant to Section 8(c8(e) of that certain Purchase Agreement dated as of September 8December 22, 20202016, (“Purchase Agreement”), by and between CELSION CORPORATIONCYTORI THERAPEUTICS, INC., a Delaware corporation (the “Company”), and LINCOLN PARK CAPITAL FUND, LLC (the “Investor”). Capitalized terms Terms used herein and not otherwise defined shall have the meanings ascribed to them in the Purchase Agreement. The undersigned, [ ]___________, [ ] ______________ of the Company, hereby certifies, on behalf of the Company and not in his individual capacity, as follows:

FORM OF OFFICER’S CERTIFICATE. This Officer’s Certificate (“Certificate”) is being delivered pursuant to Section 8(c8(d) of that certain Purchase Agreement dated as of September 8November 11, 2020, (“Purchase Agreement”), by and between CELSION CORPORATIONMOLECULIN BIOTECH, INC., a Delaware corporation (the “Company”), and LINCOLN PARK CAPITAL FUND, LLC (the “Investor”). Capitalized terms Terms used herein and not otherwise defined shall have the meanings ascribed to them in the Purchase Agreement. The undersigned, [ ]___________, [ ] ______________ of the Company, hereby certifies, on behalf of the Company and not in his individual capacity, as follows:

FORM OF OFFICER’S CERTIFICATE. This Officer’s Certificate (“Certificate”) is being delivered pursuant to Section 8(c8(e) of that certain Purchase Agreement dated as of September 8August 30, 2020, 2024 (the “Purchase Agreement”), by and between CELSION CORPORATIONWESTWATER RESOURCES, INC., a Delaware corporation (the “Company”), and LINCOLN PARK CAPITAL FUND, LLC (the “Investor”). Capitalized terms used herein and not otherwise defined shall have the meanings ascribed to them in the Purchase Agreement. The undersigned, [ ]___________, [ ] ______________ of the Company, hereby certifies, on behalf of the Company and not in his individual capacity, as follows:

FORM OF OFFICER’S CERTIFICATE. This Officer’s Certificate (“Certificate”) is being delivered pursuant to Section 8(c8(e) of that certain Purchase Agreement dated as of September 8[●], 20202024, (“Purchase Agreement”), by and between CELSION CORPORATIONHUMACYTE, INC., a Delaware corporation (the “Company”), and LINCOLN PARK CAPITAL FUND, LLC (the “Investor”). Capitalized terms Terms used herein and not otherwise defined shall have the meanings ascribed to them in the Purchase Agreement. The undersigned, [ [●], [ [●] of the Company, hereby certifies, on behalf of the Company and not in his [his/her] individual capacity, as follows:

FORM OF OFFICER’S CERTIFICATE. This Officer’s Certificate (“Certificate”) is being delivered pursuant to Section 8(c8(e) of that certain Purchase Agreement dated as of September 8August 25, 20202017, (“Purchase Agreement”), by and between CELSION CORPORATIONBIOLARGO, INC., a Delaware corporation (the “Company”), and LINCOLN PARK CAPITAL FUND, LLC LLC, an Illinois limited liability company (the “Investor”). Capitalized terms Terms used herein and not otherwise defined shall have the meanings ascribed to them in the Purchase Agreement. The undersigned, [ ]___________, [ ] ______________ of the Company, hereby certifies, on behalf of the Company and not in his individual capacity, certifies as follows:

FORM OF OFFICER’S CERTIFICATE. This Officer’s Certificate (“Certificate”) is being delivered pursuant to Section 8(c8(d) of that certain Purchase Agreement dated as of September 8June 25, 20202021, (“Purchase Agreement”), by and between CELSION CORPORATIONMOLECULIN BIOTECH, INC., a Delaware corporation (the “Company”), and LINCOLN PARK CAPITAL FUND, LLC (the “Investor”). Capitalized terms Terms used herein and not otherwise defined shall have the meanings ascribed to them in the Purchase Agreement. The undersigned, [ ]___________, [ ] ______________ of the Company, hereby certifies, on behalf of the Company and not in his individual capacity, as follows:

FORM OF OFFICER’S CERTIFICATE. This Officer’s Certificate (“Certificate”) is being delivered pursuant to Section 8(c6(h) of that certain Equity Line Purchase Agreement dated as of September 8May 18, 2020, (“Purchase Agreement”), by and between CELSION CORPORATIONEndonovo Therapeutics, Inc., a Delaware corporation (the “Company”), and LINCOLN PARK CAPITAL FUNDCavalry Fund I LP, LLC a Delaware limited partnership (the “Investor”). Capitalized terms Terms used herein and not otherwise defined shall have the meanings ascribed to them in the Purchase Agreement. The undersigned, [ ]___________, [ ] ______________ of the Company, hereby certifies, on behalf of the Company and not in his individual capacity, certifies as follows: