Common Contracts

794 similar Underwriting Agreement contracts by Elephant Oil Corp., Nuwellis, Inc., Cadrenal Therapeutics, Inc., others

UNDERWRITING AGREEMENT between Intensity Therapeutics, Inc. and The Benchmark Company, LLC as Representative of the Several Underwriters Intensity Therapeutics, Inc.
Underwriting Agreement • January 13th, 2023 • Intensity Therapeutics, Inc. • Biological products, (no disgnostic substances) • New York

The undersigned, Intensity Therapeutics, Inc., a corporation formed under the laws of the State of Delaware (collectively with its subsidiaries and affiliates, including, without limitation, all entities disclosed or described in the Registration Statement (as hereinafter defined) as being subsidiaries or affiliates of Intensity Therapeutics, Inc., the “Company”), hereby confirms its agreement (this “Agreement”) with The Benchmark Company, LLC (hereinafter referred to as “you” (including its correlatives) or the “Representative”) and with the other underwriters named on Schedule 1 hereto for which the Representative is acting as representative (the Representative and such other underwriters being collectively called the “Underwriters” or, individually, an “Underwriter”) as follows:

UNDERWRITING AGREEMENT between SIDUS SPACE, INC. and THINKEQUITY LLC as Representative of the Several Underwriters SIDUS SPACE, INC.
Underwriting Agreement • January 13th, 2023 • Sidus Space Inc. • Radiotelephone communications • New York

The undersigned, Sidus Space, Inc., a corporation formed under the laws of the State of Delaware (collectively with its subsidiaries and affiliates, including, without limitation, all entities disclosed or described in the Registration Statement (as hereinafter defined) as being subsidiaries or affiliates of Sidus Space, Inc., the “Company”), hereby confirms its agreement (this “Agreement”) with ThinkEquity LLC (hereinafter referred to as “you” (including its correlatives) or the “Representative”) and with the other underwriters named on Schedule 1 hereto for which the Representative is acting as representative (the Representative and such other underwriters being collectively called the “Underwriters” or, individually, an “Underwriter”) as follows:

UNDERWRITING AGREEMENT between GLUCOSE HEALTH, INC., and EF HUTTON, DIVISION OF BENCHMARK INVESTMENTS, LLC AS REPRESENTATIVE OF THE SEVERAL UNDERWRITERS
Underwriting Agreement • January 9th, 2023 • Glucose Health, Inc. • Medicinal chemicals & botanical products • New York

The undersigned, Glucose Health, Inc., a company incorporated under the laws of the State of Delaware (the “Company”), hereby confirms its agreement (this “Agreement”) with EF Hutton, Division of Benchmark Investments, LLC, (hereinafter referred to as “you” (including its correlatives), or “EF Hutton” or the “Representative”) and with the other underwriters named on Schedule 1 hereto for which the Representative is acting as representative (the Representative and such other underwriters being collectively called the “Underwriters” or, individually, an “Underwriter”) for the purchase and sale of the Company’s common stock, par value $0.001 per share (the “Common Stock”) pursuant to the following terms:

UNDERWRITING AGREEMENT
Underwriting Agreement • January 6th, 2023 • CaliberCos Inc. • Real estate • New York

The undersigned, CaliberCos Inc., a Delaware corporation (the “Company”), hereby confirms its agreement (this “Agreement”) with Revere Securities, LLC (hereinafter referred to as “you” (including its correlatives) or the “Representative”) and with the other underwriters named on Schedule 1 hereto for which the Representative is acting as representative (the Representative and such other underwriters being collectively called the “Underwriters” or, individually, an “Underwriter”) as follows:

UNDERWRITING AGREEMENT between TRIO PETROLEUM CORP. and SPARTAN CAPITAL SECURITIES, LLC, as Representative of the Several Underwriters TRIO PETROLEUM CORP. UNDERWRITING AGREEMENT
Underwriting Agreement • January 6th, 2023 • Trio Petroleum Corp. • Crude petroleum & natural gas • New York

The undersigned, Trio Petroleum Corp., a corporation formed under the laws of the State of Delaware (the “Company”), hereby confirms its agreement (this “Agreement”) with Spartan Capital Securities, LLC (hereinafter referred to as “you” (including its correlatives) or the “Representative”), and with the other underwriters named on Schedule 1 hereto for which the Representative is acting as representative (the Representative and such other underwriters being collectively called the “Underwriters” or, individually, an “Underwriter”) as follows:

UNDERWRITING AGREEMENT between TIVIC HEALTH SYSTEMS, INC. and THINKEQUITY LLC as Representative of the Several Underwriters
Underwriting Agreement • January 6th, 2023 • Tivic Health Systems, Inc. • Electromedical & electrotherapeutic apparatus • New York

The undersigned, Tivic Health Systems, Inc., a corporation formed under the laws of the State of Delaware (collectively with its subsidiaries and affiliates, including, without limitation, all entities disclosed or described in the Registration Statement (as hereinafter defined) as being subsidiaries or affiliates of Tivic Health Systems, Inc.) (the “Company”), hereby confirms its agreement (this “Agreement”) with ThinkEquity LLC (hereinafter referred to as “you” (including its correlatives) or the “Representative”) and with the other underwriters named on Schedule 1 hereto for which the Representative is acting as representative (the Representative and such other underwriters being collectively called the “Underwriters” or, individually, an “Underwriter”) as follows:

UNDERWRITING AGREEMENT between PINEAPPLE FINANCIAL INC. and EF HUTTON, division of Benchmark Investments, LLC, as Representative of the Several Underwriters UNDERWRITING AGREEMENT between PINEAPPLE FINANCIAL INC. and EF HUTTON, division of Benchmark...
Underwriting Agreement • January 4th, 2023 • Pineapple Financial Inc. • Finance services • New York
UNDERWRITING AGREEMENT
Underwriting Agreement • December 28th, 2022 • MGO Global Inc. • Apparel & other finishd prods of fabrics & similar matl • New York

The undersigned, MGO Global Inc., a Delaware corporation (the “Company”), hereby confirms its agreement (this “Agreement”) with Boustead Securities, LLC (hereinafter referred to as “you” (including its correlatives) or the “Representative”) and with the other underwriters named on Schedule 1 hereto for which the Representative is acting as representative (the Representative and such other underwriters being collectively called the “Underwriters” or, individually, an “Underwriter”) as follows:

UNDERWRITING AGREEMENT
Underwriting Agreement • December 22nd, 2022 • PishPosh, Inc. • Retail-nonstore retailers • New York

The undersigned, PishPosh, Inc., a Delaware corporation (the “Company”), hereby confirms its agreement (this “Agreement”) with Boustead Securities, LLC (hereinafter referred to as “you” (including its correlatives) or the “Representative”) and with the other underwriters, if any, named on Schedule 1 hereto for which the Representative is acting as representative (the Representative and such other underwriters being collectively called the “Underwriters” or, individually, an “Underwriter”) as follows:

UNDERWRITING AGREEMENT between ELEPHANT OIL CORP. and SPARTAN CAPITAL SECURITIES, LLC, as Representative of the Several Underwriters ELEPHANT OIL CORP. UNDERWRITING AGREEMENT
Underwriting Agreement • December 19th, 2022 • Elephant Oil Corp. • Crude petroleum & natural gas • New York

The undersigned, Elephant Oil Corp., a corporation formed under the laws of the State of Nevada (the “Company”), hereby confirms its agreement (this “Agreement”) with Spartan Capital Securities, LLC (hereinafter referred to as “you” (including its correlatives) or the “Representative”), and with the other underwriters named on Schedule 1 hereto for which the Representative is acting as representative (the Representative and such other underwriters being collectively called the “Underwriters” or, individually, an “Underwriter”) as follows:

UNDERWRITING AGREEMENT between Direct Communication Solutions, Inc. and ThinkEquity LLC as Representative of the Several Underwriters Direct Communication Solutions, Inc.
Underwriting Agreement • December 14th, 2022 • Direct Communication Solutions, Inc. • Wholesale-computers & peripheral equipment & software • New York

The undersigned, Direct Communication Solutions Inc., a corporation formed under the laws of the State of Delaware (collectively with its subsidiaries and affiliates, including, without limitation, all entities disclosed or described in the Registration Statement (as hereinafter defined) as being subsidiaries or affiliates of Direct Communication Solutions Inc., the “Company”), hereby confirms its agreement (this “Agreement”) with ThinkEquity LLC (hereinafter referred to as “you” (including its correlatives) or the “Representative”) and with the other underwriters named on Schedule 1 hereto for which the Representative is acting as representative (the Representative and such other underwriters being collectively called the “Underwriters” or, individually, an “Underwriter”) as set forth below.

COYA THERAPEUTICS, INC. UNDERWRITING AGREEMENT
Underwriting Agreement • December 13th, 2022 • Coya Therapeutics, Inc. • Pharmaceutical preparations • New York

The undersigned, Coya Therapeutics, Inc. (the “Company”), a company formed under the laws of the State of Delaware, hereby confirms its agreement with Chardan Capital Markets, LLC, a New York limited liability company (hereinafter referred to as “you” or the “Representative”), and with the other underwriters named on Schedule 1 hereto for which the Representative is acting as representative (the Representative and such other underwriters being collectively called the “Underwriters” or, individually, an “Underwriter”) as follows:

UNDERWRITING AGREEMENT between ADAMAS ONE CORP. (the “Company”) and ALEXANDER CAPITAL, L.P. (the “Representative”) ADAMAS ONE CORP. UNDERWRITING AGREEMENT
Underwriting Agreement • December 9th, 2022 • Adamas One Corp. • Jewelry, silverware & plated ware • New York

The undersigned, ADAMAS ONE CORP., a corporation formed under the laws of the State of Nevada (the “Company”), hereby confirms its agreement (this “Agreement”) with Alexander Capital, L.P. (the “Representative”), and with the other underwriters named on Schedule 1 hereto for which the Representative is acting as representative (the Representative and such other underwriters being collectively called the “Underwriters” and, individually, an “Underwriter”) as follows:

UNDERWRITING AGREEMENT
Underwriting Agreement • December 8th, 2022 • Cadrenal Therapeutics, Inc. • Pharmaceutical preparations • California

The undersigned, Cadrenal Therapeutics, Inc., a Delaware corporation (the “Company”), hereby confirms its agreement (this “Agreement”) with Boustead Securities, LLC (hereinafter referred to as “you” (including its correlatives) or the “Representative”) and with the other underwriters named on Schedule 1 hereto for which the Representative is acting as representative (the Representative and such other underwriters being collectively called the “Underwriters” or, individually, an “Underwriter”) as follows:

UNDERWRITING AGREEMENT between TRIO PETROLEUM CORP. and SPARTAN CAPITAL SECURITIES, LLC, as Representative of the Several Underwriters TRIO PETROLEUM CORP. UNDERWRITING AGREEMENT
Underwriting Agreement • December 8th, 2022 • Trio Petroleum Corp. • Crude petroleum & natural gas • New York

The undersigned, Trio Petroleum Corp., a corporation formed under the laws of the State of Delaware (the “Company”), hereby confirms its agreement (this “Agreement”) with Spartan Capital Securities, LLC (hereinafter referred to as “you” (including its correlatives) or the “Representative”), and with the other underwriters named on Schedule 1 hereto for which the Representative is acting as representative (the Representative and such other underwriters being collectively called the “Underwriters” or, individually, an “Underwriter”) as follows:

UNDERWRITING AGREEMENT between OKYO PHARMA LIMITED and THINKEQUITY LLC as Representative of the Several Underwriters OKYO PHARMA LIMITED
Underwriting Agreement • December 5th, 2022 • OKYO Pharma LTD • Biological products, (no disgnostic substances) • New York

The undersigned, OKYO Pharma Limited a company with limited liability formed under the laws of Guernsey (collectively with its subsidiaries and affiliates, including, without limitation, all entities disclosed or described in the Registration Statement (as hereinafter defined) as being subsidiaries or affiliates of OKYO Pharma Limited, the “Company”), hereby confirms its agreement (this “Agreement”) with ThinkEquity LLC (hereinafter referred to as “you” (including its correlatives) or the “Representative”) and with the other underwriters named on Schedule 1 hereto for which the Representative is acting as representative (the Representative and such other underwriters being collectively called the “Underwriters” or, individually, an “Underwriter”) as follows:

UNDERWRITING AGREEMENT between HONGLI GROUP INC. and EF HUTTON, division of Benchmark Investments, LLC, as Representative of the Several Underwriters HONGLI GROUP INC. UNDERWRITING AGREEMENT
Underwriting Agreement • December 5th, 2022 • Hongli Group Inc. • General industrial machinery & equipment, nec • New York

The undersigned, Hongli Group Inc., a corporation formed under the laws of the Cayman Islands (the “Company”), hereby confirms its agreement (this “Agreement”) with EF Hutton, division of Benchmark Investments, LLC (hereinafter referred to as the “Representative”), and with the other underwriters named on Schedule 1 hereto for which the Representative is acting as representative (the Representative and such other underwriters being collectively called the “Underwriters” or, individually, an “Underwriter”) as follows:

UNDERWRITING AGREEMENT
Underwriting Agreement • November 18th, 2022 • MGO Global Inc. • Apparel & other finishd prods of fabrics & similar matl • New York

The undersigned, MGO Global Inc., a Delaware corporation (the “Company”), hereby confirms its agreement (this “Agreement”) with Boustead Securities, LLC (hereinafter referred to as “you” (including its correlatives) or the “Representative”) and with the other underwriters named on Schedule 1 hereto for which the Representative is acting as representative (the Representative and such other underwriters being collectively called the “Underwriters” or, individually, an “Underwriter”) as follows:

UNDERWRITING AGREEMENT between ELEPHANT OIL CORP. and SPARTAN CAPITAL SECURITIES, LLC, as Representative of the Several Underwriters ELEPHANT OIL CORP. UNDERWRITING AGREEMENT
Underwriting Agreement • November 3rd, 2022 • Elephant Oil Corp. • Crude petroleum & natural gas • New York

The undersigned, Elephant Oil Corp., a corporation formed under the laws of the State of Nevada (the “Company”), hereby confirms its agreement (this “Agreement”) with Spartan Capital Securities, LLC (hereinafter referred to as “you” (including its correlatives) or the “Representative”), and with the other underwriters named on Schedule 1 hereto for which the Representative is acting as representative (the Representative and such other underwriters being collectively called the “Underwriters” or, individually, an “Underwriter”) as follows:

UNDERWRITING AGREEMENT between HONGLI GROUP INC. and EF HUTTON, division of Benchmark Investments, LLC, as Representative of the Several Underwriters HONGLI GROUP INC. UNDERWRITING AGREEMENT
Underwriting Agreement • November 3rd, 2022 • Hongli Group Inc. • General industrial machinery & equipment, nec • New York

The undersigned, Hongli Group Inc., a corporation formed under the laws of the Cayman Islands (the “Company”), hereby confirms its agreement (this “Agreement”) with EF Hutton, division of Benchmark Investments, LLC (hereinafter referred to as the “Representative”), and with the other underwriters named on Schedule 1 hereto for which the Representative is acting as representative (the Representative and such other underwriters being collectively called the “Underwriters” or, individually, an “Underwriter”) as follows:

9,800,000 SHARES of Common Stock and 19,600,000 Warrants of QUANERGY SYSTEMS, INC. UNDERWRITING AGREEMENT
Underwriting Agreement • November 2nd, 2022 • Quanergy Systems, Inc. • Motor vehicle parts & accessories • New York

The undersigned, Quanergy Systems, Inc. a company incorporated under the laws of Delaware (the “Company”), hereby confirms its agreement (this “Agreement”) with the several underwriters (such underwriters, including the Representative (as defined below), the “Underwriters” and each an “Underwriter”) named in Schedule I hereto for which Maxim Group LLC is acting as representative to the several Underwriters (the “Representative” and if there are no Underwriters other than the Representative, references to multiple Underwriters shall be disregarded and the term Representative as used herein shall have the same meaning as Underwriter) on the terms and conditions set forth herein.

UNDERWRITING AGREEMENT between Intensity Therapeutics, Inc. and Roth Capital Partners, LLC as Representative of the Several Underwriters Intensity Therapeutics, Inc.
Underwriting Agreement • November 2nd, 2022 • Intensity Therapeutics, Inc. • Biological products, (no disgnostic substances) • New York

The undersigned, Intensity Therapeutics, Inc., a corporation formed under the laws of the State of Delaware (collectively with its subsidiaries and affiliates, including, without limitation, all entities disclosed or described in the Registration Statement (as hereinafter defined) as being subsidiaries or affiliates of Intensity Therapeutics, Inc., the “Company”), hereby confirms its agreement (this “Agreement”) with Roth Capital Partners, LLC (hereinafter referred to as “you” (including its correlatives) or the “Representative”) and with the other underwriters named on Schedule 1 hereto for which the Representative is acting as representative (the Representative and such other underwriters being collectively called the “Underwriters” or, individually, an “Underwriter”) as follows:

UNDERWRITING AGREEMENT
Underwriting Agreement • October 31st, 2022 • Asset Entities Inc. • Services-prepackaged software • New York

The undersigned, Asset Entities Inc., a Nevada corporation (the “Company”), hereby confirms its agreement (this “Agreement”) with Boustead Securities, LLC (hereinafter referred to as “you” (including its correlatives) or the “Representative”) and with the other underwriters named on Schedule 1 hereto for which the Representative is acting as representative (the Representative and such other underwriters being collectively called the “Underwriters” or, individually, an “Underwriter”) as follows:

UNDERWRITING AGREEMENT
Underwriting Agreement • October 28th, 2022 • CaliberCos Inc. • Real estate • New York

The undersigned, CaliberCos Inc., a Delaware corporation (the “Company”), hereby confirms its agreement (this “Agreement”) with Revere Securities, LLC (hereinafter referred to as “you” (including its correlatives) or the “Representative”) and with the other underwriters named on Schedule 1 hereto for which the Representative is acting as representative (the Representative and such other underwriters being collectively called the “Underwriters” or, individually, an “Underwriter”) as follows:

UNDERWRITING AGREEMENT
Underwriting Agreement • October 24th, 2022 • NeuroBo Pharmaceuticals, Inc. • Pharmaceutical preparations • New York

The undersigned, NeuroBo Pharmaceuticals, Inc., a corporation incorporated under the laws of Delaware (collectively with its subsidiaries and affiliates, including, without limitation, all entities disclosed or described in the Registration Statement as being subsidiaries or affiliates of NeuroBo Pharmaceuticals, Inc., the “Company”), hereby confirms its agreement (this “Agreement”) with the several underwriters (such underwriters, including the Representative (as defined below), the “Underwriters” and each an “Underwriter”) named in Schedule I hereto for which Ladenburg Thalmann & Co. Inc. is acting as representative to the several Underwriters (the “Representative” and if there are no Underwriters other than the Representative, references to multiple Underwriters shall be disregarded and the term Representative as used herein shall have the same meaning as Underwriter) on the terms and conditions set forth herein.

UNDERWRITING AGREEMENT
Underwriting Agreement • October 21st, 2022 • PishPosh, Inc. • Retail-nonstore retailers • New York

The undersigned, PishPosh, Inc., a Delaware corporation (the “Company”), hereby confirms its agreement (this “Agreement”) with Boustead Securities, LLC (hereinafter referred to as “you” (including its correlatives) or the “Representative”) and with the other underwriters, if any, named on Schedule 1 hereto for which the Representative is acting as representative (the Representative and such other underwriters being collectively called the “Underwriters” or, individually, an “Underwriter”) as follows:

UNDERWRITING AGREEMENT
Underwriting Agreement • October 20th, 2022 • Boustead Wavefront Inc. • Finance services • New York

The undersigned, Boustead Wavefront Inc., a Cayman Islands exempted company (the “Company”), hereby confirms its agreement (this “Agreement”) with Revere Securities, LLC (hereinafter referred to as “you” (including its correlatives) or the “Representative”) and with the other underwriters named on Schedule 1 hereto for which the Representative is acting as representative (the Representative and such other underwriters being collectively called the “Underwriters” or, individually, an “Underwriter”) as follows:

UNDERWRITING AGREEMENT between CASTELLUM, INC., THE SELLING STOCKHOLDERS NAMED HEREIN, and EF HUTTON, DIVISION OF BENCHMARK INVESTMENTS, LLC AS REPRESENTATIVE OF THE SEVERAL UNDERWRITERS
Underwriting Agreement • October 18th, 2022 • Castellum, Inc. • Services-management consulting services • New York

The undersigned, CASTELLUM, INC., a company incorporated under the laws of the State of Nevada (the “Company”) and the stockholders of the Company named on Schedule 1-B hereto (each a “Selling Stockholder and collectively, the “Selling Stockholders”), hereby confirm their agreement (this “Agreement”) with EF Hutton, Division of Benchmark Investments, LLC, (hereinafter referred to as “you” (including its correlatives), or “EF Hutton” or the “Representative”) and with the other underwriters named on Schedule 1-A hereto for which the Representative is acting as representative (the Representative and such other underwriters being collectively called the “Underwriters” or, individually, an “Underwriter”) for the purchase and sale of the Company’s common stock, par value $0.0001 per share (the “Common Stock”) pursuant to the following terms:

UNDERWRITING AGREEMENT
Underwriting Agreement • October 18th, 2022 • Nuwellis, Inc. • Electromedical & electrotherapeutic apparatus • New York

The undersigned, Nuwellis, Inc., a Delaware corporation (collectively with its subsidiaries, including, without limitation, all entities disclosed or described in the Registration Statement as being a subsidiary of Nuwellis, Inc., the “Company”), hereby confirms its agreement (this “Agreement”) with the several underwriters, if any (such underwriters, including the Representative (as defined below), the “Underwriters” and each an “Underwriter”) named in Schedule I hereto for which Ladenburg Thalmann & Co. Inc. is acting as representative to the several Underwriters (the “Representative” and if there are no Underwriters other than the Representative, references to multiple Underwriters shall be disregarded and the term Representative as used herein shall have the same meaning as Underwriter) on the terms and conditions set forth herein.

UNDERWRITING AGREEMENT between PolarityTE, Inc. and as Representative of the Several Underwriters
Underwriting Agreement • October 14th, 2022 • Polarityte, Inc. • Biological products, (no disgnostic substances) • New York

The undersigned, PolarityTE, Inc., a Delaware corporation (collectively with its subsidiaries and affiliates, including, without limitation, all entities disclosed or described in the Registration Statement (as hereinafter defined) as being subsidiaries or affiliates of PolarityTE, Inc., the “Company”), hereby confirms its agreement (this “Agreement”) with A.G.P./Alliance Global Partners (hereinafter referred to as “you” (including its correlatives) or the “Representative”) and with the other underwriters named on Schedule 1 hereto for which the Representative is acting as representative (the Representative and such other underwriters being collectively called the “Underwriters” or, individually, an “Underwriter”) as follows:

UNDERWRITING AGREEMENT between ELEPHANT OIL CORP. and SPARTAN CAPITAL SECURITIES, LLC, as Representative of the Several Underwriters ELEPHANT OIL CORP. UNDERWRITING AGREEMENT
Underwriting Agreement • October 13th, 2022 • Elephant Oil Corp. • Crude petroleum & natural gas • New York

The undersigned, Elephant Oil Corp., a corporation formed under the laws of the State of Nevada (the “Company”), hereby confirms its agreement (this “Agreement”) with Spartan Capital Securities, LLC (hereinafter referred to as “you” (including its correlatives) or the “Representative”), and with the other underwriters named on Schedule 1 hereto for which the Representative is acting as representative (the Representative and such other underwriters being collectively called the “Underwriters” or, individually, an “Underwriter”) as follows:

WARRANTS EXERCISABLE INTO _______ SHARES OF COMMON STOCK OF NUWELLIS, INC. UNDERWRITING AGREEMENT
Underwriting Agreement • October 12th, 2022 • Nuwellis, Inc. • Electromedical & electrotherapeutic apparatus • New York

The undersigned, Nuwellis, Inc., a Delaware corporation (collectively with its subsidiaries, including, without limitation, all entities disclosed or described in the Registration Statement as being a subsidiary of Nuwellis, Inc., the “Company”), hereby confirms its agreement (this “Agreement”) with the several underwriters, if any (such underwriters, including the Representative (as defined below), the “Underwriters” and each an “Underwriter”) named in Schedule I hereto for which Ladenburg Thalmann & Co. Inc. is acting as representative to the several Underwriters (the “Representative” and if there are no Underwriters other than the Representative, references to multiple Underwriters shall be disregarded and the term Representative as used herein shall have the same meaning as Underwriter) on the terms and conditions set forth herein.

UNDERWRITING AGREEMENT
Underwriting Agreement • October 11th, 2022 • Cadrenal Therapeutics, Inc. • Pharmaceutical preparations • California

The undersigned, Cadrenal Therapeutics, Inc., a Delaware corporation (the “Company”), hereby confirms its agreement (this “Agreement”) with Boustead Securities, LLC (hereinafter referred to as “you” (including its correlatives) or the “Representative”) and with the other underwriters named on Schedule 1 hereto for which the Representative is acting as representative (the Representative and such other underwriters being collectively called the “Underwriters” or, individually, an “Underwriter”) as follows:

UNDERWRITING AGREEMENT between CASTELLUM, INC., THE SELLING STOCKHOLDERS NAMED HEREIN, and EF HUTTON, DIVISION OF BENCHMARK INVESTMENTS, LLC AS REPRESENTATIVE OF THE SEVERAL UNDERWRITERS
Underwriting Agreement • October 11th, 2022 • Castellum, Inc. • Services-management consulting services • New York

The undersigned, CASTELLUM, INC., a company incorporated under the laws of the State of Nevada (the “Company”) and the stockholders of the Company named on Schedule 1-B hereto (each a “Selling Stockholder and collectively, the “Selling Stockholders”), hereby confirm their agreement (this “Agreement”) with EF Hutton, Division of Benchmark Investments, LLC, (hereinafter referred to as “you” (including its correlatives), or “EF Hutton” or the “Representative”) and with the other underwriters named on Schedule 1-A hereto for which the Representative is acting as representative (the Representative and such other underwriters being collectively called the “Underwriters” or, individually, an “Underwriter”) for the purchase and sale of the Company’s common stock, par value $0.0001 per share (the “Common Stock”) pursuant to the following terms:

WARRANTS EXERCISABLE INTO _______ SHARES OF COMMON STOCK OF NUWELLIS, INC. UNDERWRITING AGREEMENT
Underwriting Agreement • October 11th, 2022 • Nuwellis, Inc. • Electromedical & electrotherapeutic apparatus • New York

The undersigned, Nuwellis, Inc., a Delaware corporation (collectively with its subsidiaries, including, without limitation, all entities disclosed or described in the Registration Statement as being a subsidiary of Nuwellis, Inc., the “Company”), hereby confirms its agreement (this “Agreement”) with the several underwriters, if any (such underwriters, including the Representative (as defined below), the “Underwriters” and each an “Underwriter”) named in Schedule I hereto for which Ladenburg Thalmann & Co. Inc. is acting as representative to the several Underwriters (the “Representative” and if there are no Underwriters other than the Representative, references to multiple Underwriters shall be disregarded and the term Representative as used herein shall have the same meaning as Underwriter) on the terms and conditions set forth herein.