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

FORM OF SECRETARY’S CERTIFICATE. This Secretary’s Certificate (“Certificate”) is being delivered pursuant to Section 7(k) of that certain Purchase Agreement dated as of January 4, 2011 (the “Purchase Agreement”), by and between REGENERX BIOPHARMACEUTICALS, INC., a Delaware corporation (the “Company”) and LINCOLN PARK CAPITAL FUND, LLC (the “Investor”), pursuant to which the Company may sell to the Investor up to Eleven Million Dollars ($11,000,000) of the Company’s Common Stock, $0.001 par value per share (the “Common Stock”). Terms used herein and not otherwise defined shall have the meanings ascribed to them in the Purchase Agreement. The undersigned, , Secretary of the Company, hereby certifies as follows:

FORM OF SECRETARY’S CERTIFICATE. This Secretary’s Certificate (“Certificate”) is being delivered pursuant to Section 7(k8(h) of that certain Purchase Agreement dated as of January 4September 8, 2011 2020, (the “Purchase Agreement”), by and between REGENERX BIOPHARMACEUTICALS, INC.CELSION CORPORATION, a Delaware corporation (the “Company”) and LINCOLN PARK CAPITAL FUND, LLC (the “Investor”), pursuant to which the Company may sell to the Investor up to Eleven Twenty-Six Million Dollars ($11,000,00026,000,000) of the Company’s Common Stock, $0.001 0.01 par value per share (the “Common Stock”). Terms Capitalized terms used herein and not otherwise defined shall have the meanings ascribed to them in the Purchase Agreement. The undersigned, [ ], Secretary of the Company, hereby certifies certifies, on behalf of the Company and not in her individual capacity, as follows:

FORM OF SECRETARY’S CERTIFICATE. This Secretary’s Certificate (“Certificate”) is being delivered pursuant to Section 7(k8(j) of that certain Purchase Agreement dated as of January 4, 2011 February 17 (the “Purchase Agreement”), by and between REGENERX BIOPHARMACEUTICALSBRICKELL BIOTECH, INC., a Delaware corporation (the “Company”) and LINCOLN PARK CAPITAL FUND, LLC (the “Investor”), pursuant to which the Company may sell to the Investor up to Eleven Twenty-Eight Million Dollars ($11,000,00028,000,000) of the Company’s 's Common Stock, $0.001 0.01 par value per share (the “"Common Stock”"). Terms used herein and not otherwise defined shall have the meanings ascribed to them in the Purchase Agreement. The undersigned, ____________, Secretary of the Company, hereby certifies as follows:

FORM OF SECRETARY’S CERTIFICATE. This Secretary’s Certificate (“Certificate”) is being delivered pursuant to Section 7(k8(k) of that certain Purchase Agreement dated as of January 4March 22, 2011 2016 (the “Purchase Agreement”), by and between REGENERX BIOPHARMACEUTICALSSOLIGENIX, INC., a Delaware corporation (the “Company”) ), and LINCOLN PARK CAPITAL FUND, LLC (the “Investor”), pursuant to which the Company may sell to the Investor up to Eleven Twelve Million Dollars ($11,000,00012,000,000) of the Company’s 's Common Stock, par value $0.001 par value per share per share (the “"Common Stock”"). Terms used herein and not otherwise defined shall have the meanings ascribed to them in the Purchase Agreement. The undersigned, ____________, Secretary of the Company, hereby certifies as follows:

FORM OF SECRETARY’S CERTIFICATE. This Secretary’s Certificate (“Certificate”) is being delivered pursuant to Section 7(k8(k) of that certain Purchase Agreement dated as of January 4August 2, 2011 2022 (the “Purchase Agreement”), by and between REGENERX BIOPHARMACEUTICALSPLUS THERAPEUTICS, INC., a Delaware corporation (the “Company”) and LINCOLN PARK CAPITAL FUND, LLC (the “Investor”), pursuant to which the Company may sell to the Investor up to Eleven Fifty Million Dollars ($11,000,00050,000,000) of the Company’s Common Stock, $0.001 par value per share (the “Common Stock”). Terms used herein and not otherwise defined shall have the meanings ascribed to them in the Purchase Agreement. The undersigned, , Secretary of the Company, hereby certifies certifies, on behalf of the Company and not in his individual capacity, as follows:

FORM OF SECRETARY’S CERTIFICATE. This Secretary’s Certificate (“Certificate”) is being delivered pursuant to Section 7(k8(k) of that certain Purchase Agreement dated as of January 4February 3, 2011 2023 (the “Purchase Agreement”), by and between REGENERX BIOPHARMACEUTICALS, INC.ANAVEX LIFE SCIENCES CORP. , a Delaware Nevada corporation (the “Company”) and LINCOLN PARK CAPITAL FUND, LLC (the “Investor”), pursuant to which the Company may sell to the Investor up to Eleven One Hundred Fifty Million Dollars ($11,000,000150,000,000) of the Company’s Common Stock, $0.001 par value per share (the “Common Stock”). Terms used herein and not otherwise defined shall have the meanings ascribed to them in the Purchase Agreement. The undersigned, ____________, Secretary of the Company, hereby certifies as follows:

FORM OF SECRETARY’S CERTIFICATE. This Secretary’s Certificate (“Certificate”) is being delivered pursuant to Section 7(k) of that certain Purchase Agreement dated as of January 4December __, 2011 (the “Purchase Agreement”), by and between REGENERX BIOPHARMACEUTICALSPURE BIOSCIENCE, INC., a Delaware corporation (the “Company”) and LINCOLN PARK CAPITAL FUND, LLC (the “Investor”), pursuant to which the Company may sell to the Investor up to Eleven Seven Million Five Hundred Thousand Dollars ($11,000,0007,500,000) of the Company’s 's Common Stock, $0.001 0.01 par value per share (the “"Common Stock”"). Terms used herein and not otherwise defined shall have the meanings ascribed to them in the Purchase Agreement. The undersigned, Xxxxxx X. Xxxxxxx, Secretary of the Company, hereby certifies as follows:

FORM OF SECRETARY’S CERTIFICATE. This Secretary’s Certificate (“Certificate”) is being delivered pursuant to Section 7(k8(i) of that certain Purchase Agreement dated as of January 4September 22, 2011 2014 (the “Purchase Agreement”), by and between REGENERX BIOPHARMACEUTICALSxG TECHNOLOGY, INC., a Delaware corporation (the “Company”) and LINCOLN PARK CAPITAL FUND, LLC (the “Investor”), pursuant to which the Company may sell to the Investor up to Eleven Five Million Dollars ($11,000,0001,000,000) of the Company’s 's Common Stock, $0.001 0.00001 par value per share (the “"Common Stock”"). Terms used herein and not otherwise defined shall have the meanings ascribed to them in the Purchase Agreement. The undersigned, ____________, Secretary of the Company, hereby certifies as follows:

FORM OF SECRETARY’S CERTIFICATE. This Secretary’s Certificate (“Certificate”) is being delivered pursuant to Section 7(k8(k) of that certain Purchase Agreement dated as of January 4April 30, 2011 2020 (the “Purchase Agreement”), by and between REGENERX BIOPHARMACEUTICALS, ACER THERAPEUTICS INC., a Delaware corporation (the “Company”) and LINCOLN PARK CAPITAL FUND, LLC (the “Investor”), pursuant to which the Company may sell to the Investor up to Eleven Fifteen Million Dollars ($11,000,00015,000,000) of the Company’s 's Common Stock, $0.001 0.0001 par value per share (the “"Common Stock”"). Terms used herein and not otherwise defined shall have the meanings ascribed to them in the Purchase Agreement. The undersigned, Xxxxxx X. Xxxxxx, Secretary of the Company, hereby certifies as follows:

FORM OF SECRETARY’S CERTIFICATE. This Secretary’s Certificate (“Certificate”) is being delivered pursuant to Section 7(k8(k) of that certain Purchase Agreement dated as of January 4August 25, 2011 2017 (the “Purchase Agreement”), by and between REGENERX BIOPHARMACEUTICALSBIOLARGO, INC., a Delaware corporation (the “Company”) and LINCOLN PARK CAPITAL FUND, LLC LLC, an Illinois limited liability company (the “Investor”), pursuant to which the Company may sell to the Investor up to Eleven Ten Million Dollars ($11,000,00010,000,000) of the Company’s 's Common Stock, $0.001 0.00067 par value per share (the “"Common Stock”"). Terms used herein and not otherwise defined shall have the meanings ascribed to them in the Purchase Agreement. The undersigned, ____________, Secretary of the Company, hereby certifies as follows:

FORM OF SECRETARY’S CERTIFICATE. This Secretary’s Certificate (“Certificate”) is being delivered pursuant to Section 7(k8(k) of that certain Purchase Agreement dated as of January 4June 8, 2011 2020 (the “Purchase Agreement”), by and between REGENERX BIOPHARMACEUTICALSVIVEVE MEDICAL, INC., a Delaware corporation (the “Company”) and LINCOLN PARK CAPITAL FUND, LLC (the “Investor”), pursuant to which the Company may sell to the Investor up to Eleven Ten Million Dollars ($11,000,00010,000,000) of the Company’s 's Common Stock, $0.001 0.0001 par value per share (the “"Common Stock”"). Terms used herein and not otherwise defined shall have the meanings ascribed to them in the Purchase Agreement. The undersigned, Xxxxx Xxxxx, Secretary of the Company, on behalf of the Company and not in her individual capacity, hereby certifies as follows:

FORM OF SECRETARY’S CERTIFICATE. This Secretary’s Certificate (“Certificate”) is being delivered pursuant to Section 7(k) of that certain Common Stock Purchase Agreement dated as of January 4December 9, 2011 2010 (the “Common Stock Purchase Agreement”), by and between REGENERX BIOPHARMACEUTICALS, INC.INTERNATIONAL STEM CELL CORPORATION, a Delaware corporation (the “Company”) and LINCOLN PARK ASPIRE CAPITAL FUND, LLC (the “InvestorBuyer”), pursuant to which the Company may sell to the Investor Buyer up to Eleven Twenty-Five Million Dollars ($11,000,00025,000,000) of the Company’s Common Stock, par value $0.001 par value per share (the “Common Stock”). Terms used herein and not otherwise defined shall have the meanings ascribed to them in the Common Stock Purchase Agreement. The undersigned, Xxx Xxxx, Secretary of the Company, hereby certifies as follows:

FORM OF SECRETARY’S CERTIFICATE. This Secretary’s Certificate (“Certificate”) is being delivered pursuant to Section 7(k8(II)(k) of that certain Purchase Agreement dated as of January 4October 8, 2011 2015 (the “Purchase Agreement”), by and between REGENERX BIOPHARMACEUTICALSONCONOVA THERAPEUTICS, INC., a Delaware corporation (the “Company”) and LINCOLN PARK CAPITAL FUND, LLC (the “Investor”), pursuant to which the Company may sell to the Investor up to Eleven Sixteen Million Five Hundred Thousand Dollars ($11,000,00016,500,000) of the Company’s Common Stock, $0.001 0.01 par value per share (the “Common Stock”). Terms used herein and not otherwise defined shall have the meanings ascribed to them in the Purchase Agreement. The undersigned, , Secretary of the Company, hereby certifies as follows:

FORM OF SECRETARY’S CERTIFICATE. This Secretary’s Certificate (the “Certificate”) is being delivered pursuant to Section 7(k) of that certain Common Stock Purchase Agreement dated as of January 4December 14, 2011 2010, (the “Common Stock Purchase Agreement”), by and between REGENERX BIOPHARMACEUTICALSCARDICA, INC., a Delaware corporation (the “Company”) and LINCOLN PARK ASPIRE CAPITAL FUND, LLC (the “InvestorBuyer”), pursuant to which the Company may sell to the Investor Buyer up to Eleven Ten Million Dollars ($11,000,00010,000,000) of the Company’s Common Stock, par value $0.001 par value per share (the “Common Stock”). Terms used herein and not otherwise defined shall have the meanings ascribed to them in the Common Stock Purchase Agreement. The undersigned, Xxxxxx X. Xxxxxx, Secretary of the Company, hereby certifies as follows:

FORM OF SECRETARY’S CERTIFICATE. This Secretary’s Certificate (“Certificate”) is being delivered pursuant to Section 7(k) of that certain Purchase Agreement dated as of January 4, 2011 (the “Purchase Agreement”), by and between REGENERX BIOPHARMACEUTICALSMARINA BIOTECH, INC., a Delaware corporation (the “Company”) and LINCOLN PARK CAPITAL FUND, LLC (the “Investor”), pursuant to which the Company may sell to the Investor up to Eleven Fifteen Million Dollars ($11,000,00015,000,000) of the Company’s Common Stock, $0.001 .006 par value per share (the “Common Stock”). Terms used herein and not otherwise defined shall have the meanings ascribed to them in the Purchase Agreement. The undersigned, , Secretary of the Company, hereby certifies as follows:

FORM OF SECRETARY’S CERTIFICATE. This Secretary’s Certificate (“Certificate”) is being delivered pursuant to Section 7(k) of that certain Common Stock Purchase Agreement dated as of January 4November 5, 2011 2008, (the “Common Stock Purchase Agreement”), by and between REGENERX BIOPHARMACEUTICALSNEOGENOMICS, INC., a Delaware Nevada corporation (the “Company”) and LINCOLN PARK FUSION CAPITAL FUNDFUND II, LLC (the “InvestorBuyer”), pursuant to which the Company may sell to the Investor Buyer up to Eleven Eight Million Dollars ($11,000,0008,000,000) of the Company’s 's Common Stock, par value $0.001 par value per share (the “"Common Stock”"). Terms used herein and not otherwise defined shall have the meanings ascribed to them in the Common Stock Purchase Agreement. The undersigned, Xxxxxx Xxxxxx, Secretary of the Company, hereby certifies as follows: