Common use of Survival of Covenants, Representations and Warranties Clause in Contracts

Survival of Covenants, Representations and Warranties. Subscriber understands the meaning and legal consequences of the agreements, covenants, representations and warranties contained herein, and agrees that such agreements, covenants, representations and warranties shall survive and remain in full force and effect after the execution hereof and payment by Subscriber for the Securities. [Remainder of page left blank intentionally – signature page follows] For good, valuable and adequate consideration, the receipt and sufficiency of which is hereby acknowledged, Subscriber hereby agrees that by signing this Subscription and Investment Representation Agreement, and upon acceptance hereof by the Company, that the terms, provisions, obligations and agreements of this Agreement shall be binding upon Subscriber, and such terms, provisions, obligations and agreements shall inure to the benefit of and be binding upon Subscriber and its successors and assigns. INDIVIDUAL(S): ENTITY: /s/ Xxxxxxx X. Xxxxxx Entity Name: Name: Xxxxxxx X. Xxxxxx By: Name: Its: Number of Shares Purchased: 1 Purchase Price Per Share: $10.00 Aggregate Purchase Price: $10.00 The Subscriber desires that the Securities be held as follows (check one): ☒ Individual Ownership ☐ Corporation* ☐ Community Property ☐ Trust* ☐ Jt. Tenant with Right of Survivorship ☐ Limited Liability Company* (both parties must sign) ☐ Partnership* ☐ Tenants in Common ☐ Other (please describe): * If Securities are being subscribed for by an entity, Exhibit C to this agreement must also be completed. The Company hereby accepts the subscription evidenced by this Subscription and Investment Representation Agreement: Panbela Therapeutics, Inc. By: /s/ Xxxxxxxx X. Xxxxxxx Xxxxxxxx X. Xxxxxxx President and Chief Executive Officer

Survival of Covenants, Representations and Warranties. Subscriber understands the meaning and legal consequences of the agreements, covenants, representations and warranties contained herein, and agrees that such agreements, covenants, representations and warranties shall survive and remain in full force and effect after the execution hereof and payment by Subscriber for the Securities. [Remainder of page left blank intentionally – signature page follows] For good, valuable and adequate consideration, the receipt and sufficiency of which is hereby acknowledged, Subscriber hereby agrees that by signing this Subscription and Investment Representation Agreement, and upon acceptance hereof by the Company, that the terms, provisions, obligations and agreements of this Agreement shall be binding upon Subscriber, and such terms, provisions, obligations and agreements shall inure to the benefit of and be binding upon Subscriber and its successors and assigns. INDIVIDUAL(S): ENTITY: /s/ Amro Xxxxxxx X. Xxxxxx Entity Name: Name: Amro Xxxxxxx X. Xxxxxx By: Name: Its: Number of Shares Purchased: 1 Purchase Price Per Share: $10.00 20,000.00 Aggregate Purchase Price: $10.00 20,000.00 The Subscriber desires that the Securities be held as follows (check one): ☒ Individual Ownership ☐ Corporation* Corporation ☐ Community Property ☐ Trust* ☐ Jt. Tenant with Right of Survivorship ☐ Limited Liability Company* (both parties must sign) ☐ Partnership* ☐ Tenants in Common ☐ Other (please describe): * If Securities are being subscribed for by an entity, Exhibit C to this agreement must also be completed. The Company hereby accepts the subscription evidenced by this Subscription and Investment Representation Agreement: Panbela TherapeuticsADITXT, Inc. INC. By: /s/ Xxxxxxxx X. Xxxxxxx Xxxxxxxx X. Xxxxxxxxx Name: Xxxxxxx President and Chief Executive OfficerXxxxxxxxx Title: President

Survival of Covenants, Representations and Warranties. Subscriber understands the meaning and legal consequences of the agreements, covenants, representations and warranties contained herein, and agrees that such agreements, covenants, representations and warranties shall survive and remain in full force and effect after the execution hereof and payment by Subscriber for the Securities. [Remainder of page left blank intentionally – signature page follows] For good, valuable and adequate consideration, the receipt and sufficiency of which is hereby acknowledged, Subscriber hereby agrees that by signing this Subscription and Investment Representation Agreement, and upon acceptance hereof by the Company, that the terms, provisions, obligations and agreements of this Agreement shall be binding upon Subscriber, and such terms, provisions, obligations and agreements shall inure to the benefit of and be binding upon Subscriber and its successors and assigns. INDIVIDUAL(S): ENTITY: /s/ Xxxxxxx Rxxx X. Xxxxxx Entity Name: Name: Xxxxxxx Rxxx X. Xxxxxx By: Name: Its: Number of Shares Purchased: 1 Purchase Price Per Share: $10.00 5,000 Aggregate Purchase Price: $10.00 5,000 The Subscriber desires that the Securities be held as follows (check one): ☒ Individual Ownership ☐ Corporation* Corporation ☐ Community Property ☐ Trust* ☐ Jt. Tenant with Right of Survivorship ☐ Limited Liability Company* (both parties must sign) ☐ Partnership* ☐ Tenants in Common ☐ Other (please describe): * If Securities are being subscribed for by an entity, Exhibit C to this agreement must also be completed. The Company hereby accepts the subscription evidenced by this Subscription and Investment Representation Agreement: Panbela TherapeuticsVERB TECHNOLOGY COMPANY, Inc. INC. By: /s/ Xxxxxxxx Sxxxxx X. Xxxxxxx Xxxxxxxx Xxxx Name: Sxxxxx X. Xxxxxxx President Xxxx Title: Chief Financial Officer Exhibit A VERB TECHNOLOGY COMPANY, INC. CERTIFICATE OF DESIGNATION OF SERIES B PREFERRED STOCK Pursuant to Section 78.1955 of the Nevada Revised Statutes THE UNDERSIGNED DOES HEREBY CERTIFY, on behalf of Verb Technology Company, Inc., a Nevada corporation (the “Corporation”), that the following resolution was duly adopted by the board of directors of the Corporation (the “Board of Directors”), in accordance with the provisions of Section 78.1955 of the Nevada Revised Statutes (“NRS”) on February 16, 2023, which resolution provides for the creation of a series of the Corporation’s Preferred Stock, par value $0.0001 per share, which is designated as “Series B Preferred Stock,” with the rights, preferences, privileges and Chief Executive Officerrestrictions set forth therein.

Survival of Covenants, Representations and Warranties. Subscriber understands the meaning and legal consequences of the agreements, covenants, representations and warranties contained herein, and agrees that such agreements, covenants, representations and warranties shall survive and remain in full force and effect after the execution hereof and payment by Subscriber for the Securities. [Remainder of page left blank intentionally – signature page follows] For good, valuable and adequate consideration, the receipt and sufficiency of which is hereby acknowledged, Subscriber hereby agrees that by signing this Subscription and Investment Representation Agreement, and upon acceptance hereof by the Company, that the terms, provisions, obligations and agreements of this Agreement shall be binding upon Subscriber, and such terms, provisions, obligations and agreements shall inure to the benefit of and be binding upon Subscriber and its successors and assigns. INDIVIDUAL(S): ENTITY: /s/ Xxxxxxx X. Xxxxxx Entity Name: Name: Xxxxxxx X. Xxxxxx By: Name: Its: Number of Shares Securities Purchased: 1 Purchase Price Per Share: $10.00 2,000,000 Aggregate Purchase Price: $10.00 1,000 The Subscriber desires that the Securities be held as follows (check one): ☒ [ ] Individual Ownership ☐ [ ] Corporation* ☐ [ ] Community Property ☐ [ ] Trust* ☐ [ ] Jt. Tenant with Right of Survivorship ☐ [ ] Limited Liability Company* (both parties must sign) ☐ Partnership* ☐ [ ] Tenants in Common ☐ [ ] Partnership* [ ] Other (please describe): : * If Securities are being subscribed for by an entity, Exhibit C to this agreement Agreement must also be completed. The Company hereby accepts the subscription evidenced by this Subscription and Investment Representation Agreement: Panbela TherapeuticsHOTH THERAPEUTICS, Inc. INC. By: /s/ Xxxxxxxx X. Xxxxxxx Xxxxxxxx X. Xxxxxxx President and Name: Xxxx Xxxx Title: Chief Executive Officer

Survival of Covenants, Representations and Warranties. Subscriber understands the meaning and legal consequences of the agreements, covenants, representations and warranties contained herein, and agrees that such agreements, covenants, representations and warranties shall survive and remain in full force and effect after the execution hereof and payment by Subscriber for the Securities. [Remainder of page left blank intentionally – signature page follows] For good, valuable and adequate consideration, the receipt and sufficiency of which is hereby acknowledged, Subscriber hereby agrees that by signing this Subscription and Investment Representation Agreement, and upon acceptance hereof by the Company, that the terms, provisions, obligations and agreements of this Agreement shall be binding upon Subscriber, and such terms, provisions, obligations and agreements shall inure to the benefit of and be binding upon Subscriber and its successors and assigns. INDIVIDUAL(S): ENTITY: /s/ Xxxxxxx X. Xxxxxx Entity Name: Name: Xxxxxxx X. Xxxxxx By: Name: Its: Number of Shares Purchased: 1 Purchase Price Per Share: $10.00 10 Aggregate Purchase Price: $10.00 10 The Subscriber desires that the Securities be held as follows (check one): ☒ Individual Ownership ☐ Corporation* ☐ Community Property ☐ Trust* ☐ Jt. Tenant with Right of Survivorship ☐ Limited Liability Company* (both parties must sign) ☐ Partnership* ☐ Tenants in Common ☐ Other (please describe): * If Securities are being subscribed for by an entity, Exhibit C to this agreement must also be completed. The Company hereby accepts the subscription evidenced by this Subscription and Investment Representation Agreement: Panbela Therapeutics, Inc. By: /s/ Xxxxxxxx X. Xxxxxxx Xxxxxxxx X. Xxxxxxx President and Chief Executive Officer

Survival of Covenants, Representations and Warranties. Subscriber understands the meaning and legal consequences of the agreements, covenants, representations and warranties contained herein, and agrees that such agreements, covenants, representations and warranties shall survive and remain in full force and effect after the execution hereof and payment by Subscriber for the Securities. [Remainder of page left blank intentionally – signature page follows] For good, valuable and adequate consideration, the receipt and sufficiency of which is hereby acknowledged, Subscriber hereby agrees that by signing this Subscription and Investment Representation Agreement, and upon acceptance hereof by the Company, that the terms, provisions, obligations and agreements of this Agreement shall be binding upon Subscriber, and such terms, provisions, obligations and agreements shall inure to the benefit of and be binding upon Subscriber and its successors and assigns. INDIVIDUAL(S): ENTITY: /s/ Xxxxxxx X. Xxxxxx Xxxxxx Entity Name: Name: Xxxxxxx X. /s/ Xxxxxx Xxxxxx By: Name: Its: Number of Shares Purchased: 1 ____ Purchase Price Per Share: $10.00 ____ Aggregate Purchase Price: $10.00 ____ The Subscriber desires that the Securities be held as follows (check one): ☒ Individual Ownership ☐ Corporation* ☐ Community Property ☐ Trust* ☐ Jt. Tenant with Right of Survivorship ☐ Limited Liability Company* (both parties must sign) ☐ Partnership* ☐ Tenants in Common ☐ Partnership* ☐ Other (please describe): ______________ * If Securities are being subscribed for by an entity, Exhibit C to this agreement Agreement must also be completed. The Company hereby accepts the subscription evidenced by this Subscription and Investment Representation Agreement: Panbela Therapeutics, Inc. AMESITE INC. By: /s/ Xxxxxxxx X. Xxxxxxx Xxxxxxxx X. Xxxxxxx President and Xxx Xxxxx Xxxxxx Name: Xxx Xxxxx Xxxxxx, Ph.D. Title: Chief Executive Officer

Survival of Covenants, Representations and Warranties. Subscriber understands the meaning and legal consequences of the agreements, covenants, representations and warranties contained herein, and agrees that such agreements, covenants, representations and warranties shall survive and remain in full force and effect after the execution hereof and payment by Subscriber for the Securities. [Remainder of page left blank intentionally – signature page follows] For good, valuable and adequate consideration, the receipt and sufficiency of which is hereby acknowledged, Subscriber hereby agrees that by signing this Subscription and Investment Representation Agreement, and upon acceptance hereof by the Company, that the terms, provisions, obligations and agreements of this Agreement shall be binding upon Subscriber, and such terms, provisions, obligations and agreements shall inure to the benefit of and be binding upon Subscriber and its successors and assigns. INDIVIDUAL(S): ENTITY: /s/ Xxxxxxx X. Xxxxxx Entity Name: LAKE STREET SOLAR, LLC Name: Xxxxxxx X. Xxxxxx By: NORTHERN PACIFIC GROWTH INVESTMENT PARTNERS, L.P. Its: Managing Member By: NORTHERN PACIFIC GROUP GP I, LLC Its: General Partner By: /s/ Sxxxx Xxxxxx Name: Sxxxx Xxxxxx Its: Managing Partner Number of Shares Purchased: 1 Purchase Price Per Share: $10.00 15.00 Aggregate Purchase Price: $10.00 15.00 The Subscriber desires that the Securities be held as follows (check one): ☒ ☐ Individual Ownership ☐ Corporation* ☐ Community Property ☐ Trust* ☐ Jt. Tenant with Right of Survivorship ☐ X Limited Liability Company* (both parties must sign) ☐ Partnership* ☐ Tenants in Common ☐ Other (please describe): * If Securities are being subscribed for by an entity, Exhibit C to this agreement must also be completed. The Company hereby accepts the subscription evidenced by this Subscription and Investment Representation Agreement: Panbela Therapeutics, Pineapple Energy Inc. By: /s/ Xxxxxxxx Kxxx X. Xxxxxxx Xxxxxxxx Xxxxxx Kxxx X. Xxxxxxx President and Xxxxxx Chief Executive OfficerOfficer EXHIBIT A CERTIFICATE OF DESIGNATION [See attached] PINEAPPLE ENERGY INC. CERTIFICATE OF DESIGNATION OF SERIES B PREFERRED STOCK Pursuant to Sections 302A.133 and 302A.401 of the Minnesota Business Corporation Act THE UNDERSIGNED DOES HEREBY CERTIFY, on behalf of Pineapple Energy Inc., a Minnesota corporation (the “Corporation”), that the following resolution was duly adopted by the board of directors of the Corporation (the “Board of Directors”), in accordance with the provisions of Sections 302A.133 and 302A.401 of the Minnesota Business Corporation Act (the “MBCA”), via written consent on May 13, 2024, which resolution provides for the creation of a series of the Corporation’s Preferred Stock, par value $1.00 per share, which is designated as “Series B Preferred Stock,” with the rights, preferences, privileges and restrictions set forth therein.

Survival of Covenants, Representations and Warranties. Subscriber understands the meaning and legal consequences of the agreements, covenants, representations and warranties contained herein, and agrees that such agreements, covenants, representations and warranties shall survive and remain in full force and effect after the execution hereof and payment by Subscriber for the Securities. [Remainder of page left blank intentionally – signature page follows] For good, valuable and adequate consideration, the receipt and sufficiency of which is hereby acknowledged, Subscriber hereby agrees that by signing this Subscription and Investment Representation Agreement, and upon acceptance hereof by the Company, that the terms, provisions, obligations and agreements of this Agreement shall be binding upon Subscriber, and such terms, provisions, obligations and agreements shall inure to the benefit of and be binding upon Subscriber and its successors and assigns. INDIVIDUAL(S): ENTITY: /s/ Xxxxxxx X. Xxxxxx Entity Name: Name: Xxxxxxx X. Xxxxxx By: Name: Its: Dxxxx Xxxxxxxx Number of Shares Purchased: 1 Purchase Price Per Share: $10.00 5,000.00 Aggregate Purchase Price: $10.00 The Subscriber desires that the Securities be held as follows (check one): ☒ Individual Ownership ☐ Corporation* Corporation ☐ Community Property ☐ Trust* ☐ Jt. Tenant with Right of Survivorship ☐ Limited Liability Company* (both parties must sign) ☐ Partnership* ☐ Tenants in Common ☐ Other (please describe): * If Securities are being subscribed for by an entity, Exhibit C to this agreement must also be completed. The Company hereby accepts the subscription evidenced by this Subscription and Investment Representation Agreement: Panbela TherapeuticsSOLUNA HOLDINGS, Inc. INC. By: /s/ Xxxxxxxx X. Xxxxxxx Xxxxxxxx X. Xxxxxxx President and Name: Jxxx Xxxxxxxxx Title: Chief Executive Officer

Survival of Covenants, Representations and Warranties. Subscriber understands the meaning and legal consequences of the agreements, covenants, representations and warranties contained herein, and agrees that such agreements, covenants, representations and warranties shall survive and remain in full force and effect after the execution hereof and payment by Subscriber for the Securities. [Remainder of page left blank intentionally – signature page follows] For good, valuable and adequate consideration, the receipt and sufficiency of which is hereby acknowledged, Subscriber hereby agrees that by signing this Subscription and Investment Representation Agreement, and upon acceptance hereof by the Company, that the terms, provisions, obligations and agreements of this Agreement shall be binding upon Subscriber, and such terms, provisions, obligations and agreements shall inure to the benefit of and be binding upon Subscriber and its successors and assigns. INDIVIDUAL(S): ENTITY: /s/ Jxxx Xxxxxxx X. Xxxxxx Entity Xxxxx XX Name: Name: Jxxx Xxxxxxx X. Xxxxxx By: Name: Its: Xxxxx XX Number of Shares Purchased: 1 Purchase Price Per Share: $10.00 25,000 Aggregate Purchase Price: $10.00 25,000 The Subscriber desires that the Securities be held as follows (check one): ☒ x Individual Ownership ☐ Corporation* ☐ ¨ Corporation ¨ Community Property ☐ ¨ Trust* ☐ ¨ Jt. Tenant with Right of Survivorship ☐ ¨ Limited Liability Company* (both parties must sign) ☐ ¨ Partnership* ☐ ¨ Tenants in Common ☐ ¨ Other (please describe): * If Securities are being subscribed for by an entity, Exhibit C to this agreement must also be completed. The Company hereby accepts the subscription evidenced by this Subscription and Investment Representation Agreement: Panbela TherapeuticsDIGITAL BRANDS GROUP, Inc. INC. By: /s/ Xxxxxxxx X. Lxxxx Xxxxxxx Xxxxxxxx X. Name: Lxxxx Xxxxxxx President and Title: Chief Executive OfficerMarketing Officer Exhibit A DIGITAL BRANDS GROUP, INC. CERTIFICATE OF DESIGNATION OF SERIES B PREFERRED STOCK See attached. Exhibit B

Survival of Covenants, Representations and Warranties. Subscriber understands the meaning and legal consequences of the agreements, covenants, representations and warranties contained herein, and agrees that such agreements, covenants, representations and warranties shall survive and remain in full force and effect after the execution hereof and payment by Subscriber for the Securities. [Remainder of page left blank intentionally – signature page follows] For good, valuable and adequate consideration, the receipt and sufficiency of which is hereby acknowledged, Subscriber hereby agrees that by signing this Subscription and Investment Representation Agreement, and upon acceptance hereof by the Company, that the terms, provisions, obligations and agreements of this Agreement shall be binding upon Subscriber, and such terms, provisions, obligations and agreements shall inure to the benefit of and be binding upon Subscriber and its successors and assigns. INDIVIDUAL(S): ENTITY: /s/ Xxxxxxx X. Xxxxxx Name: Entity Name: Name: Xxxxxxx X. Xxxxxx By: Name: Its: Number of Shares Securities Purchased: 1 Purchase Price Per Share: $10.00 2,000,000 Aggregate Purchase Price: $10.00 1,000 The Subscriber desires that the Securities be held as follows (check one): ☒ ☐ Individual Ownership ☐ Corporation* ☐ Community Property ☐ Trust* ☐ Jt. Tenant with Right of Survivorship ☐ Limited Liability Company* (both parties must sign) ☐ Partnership* ☐ Tenants in Common ☐ Partnership* ☐ Other (please describe): ):_____________________ * If Securities are being subscribed for by an entity, Exhibit C to this agreement Agreement must also be completed. The Company hereby accepts the subscription evidenced by this Subscription and Investment Representation Agreement: Panbela TherapeuticsDATCHAT, Inc. INC. By: /s/ Xxxxxxxx X. Xxxxxxx Xxxxxxxx X. Xxxxxxx President and Name: Xxxxx Xxxxx Title: Chief Executive OfficerOfficer DATCHAT, INC. ACCREDITED INVESTOR CERTIFICATION For Individual Investors Only — Any natural person whose individual net worth, or joint net worth with that person’s spouse or spousal equivalent, at the time of the purchase, exceeds $1,000,000. For purposes of calculating net worth, (i) the person's primary residence shall not be included as an asset, (ii) indebtedness that is secured by the person's primary residence, up to the estimated fair market value of the primary residence at the time of the sale of the Securities, shall not be included as a liability (except that if the amount of such indebtedness outstanding at the time of sale of the Securities exceeds the amount outstanding 60 days before such time, other than as a result of the acquisition of the primary residence, the amount of such excess shall be included as a liability), and (iii) indebtedness that is secured by the person's primary residence in excess of the estimated fair market value of the primary residence at the time of the sale of Securities shall be included as a liability. For purposes of calculating joint net worth, joint net worth can be the aggregate net worth of the investor and spouse or spousal equivalent; assets need not be held jointly to be included in the calculation. Reliance on the joint net worth standard does not require that the Securities be purchased jointly. The term spousal equivalent shall mean a cohabitant occupying a relationship generally equivalent to that of a spouse. — Any natural person who had an individual income in excess of $200,000 in each of the two most recent years or joint income with that person’s spouse or spousal equivalent in excess of $300,000 in each of those years and has a reasonable expectation of reaching the same income level in the current year. The term spousal equivalent shall mean a cohabitant occupying a relationship generally equivalent to that of a spouse. — Any director or executive officer of the Company. — An investment adviser relying on the exemption from registering with the Securities and Exchange Commission under Section 203(l) or (m) of the Investment Advisers Act of 1940. — An investment adviser registered pursuant to Section 203 of the Investment Advisers Act of 1940 or registered pursuant to the laws of a state. — Any natural person holding in good standing one or more professional certifications or designations or credentials from an accredited educational institution that the Securities and Exchange Commission has designated as qualifying an individual for accredited investor status. In determining whether to designate a professional certification or designation or credential from an accredited educational institution, the Securities and Exchange Commission will consider, among others, the following attributes:

Survival of Covenants, Representations and Warranties. Subscriber understands the meaning and legal consequences of the agreements, covenants, representations and warranties contained herein, and agrees that such agreements, covenants, representations and warranties shall survive and remain in full force and effect after the execution hereof and payment by Subscriber for the Securities. [Remainder of page left blank intentionally – signature page follows] For good, valuable and adequate consideration, the receipt and sufficiency of which is hereby acknowledged, Subscriber hereby agrees that by signing this Subscription and Investment Representation Agreement, and upon acceptance hereof by the Company, that the terms, provisions, obligations and agreements of this Agreement shall be binding upon Subscriber, and such terms, provisions, obligations and agreements shall inure to the benefit of and be binding upon Subscriber and its successors and assigns. INDIVIDUAL(S): ENTITY: /s/ Jxxx Xxxxxxx X. Xxxxxx Entity Xxxxx Name: Name: Jxxx Xxxxxxx X. Xxxxxx By: Name: Its: Xxxxx XX Number of Shares Purchased: 1 Purchase Price Per Share: $10.00 25,000.00 Aggregate Purchase Price: $10.00 25,000.00 The Subscriber desires that the Securities be held as follows (check one): ☒ x Individual Ownership ☐ Corporation* ☐ ¨ Corporation ¨ Community Property ☐ ¨ Trust* ☐ ¨ Jt. Tenant with Right of Survivorship ☐ ¨ Limited Liability Company* (both parties must sign) ☐ ¨ Partnership* ☐ ¨ Tenants in Common ☐ ¨ Other (please describe): * If Securities are being subscribed for by an entity, Exhibit C to this agreement must also be completed. The Company hereby accepts the subscription evidenced by this Subscription and Investment Representation Agreement: Panbela TherapeuticsDIGITAL BRANDS GROUP, Inc. INC. By: /s/ Xxxxxxxx X. Lxxxx Xxxxxxx Xxxxxxxx X. Name: Lxxxx Xxxxxxx President and Title: Chief Executive OfficerMarketing Officer Exhibit A DIGITAL BRANDS GROUP, INC. CERTIFICATE OF DESIGNATION OF SERIES A PREFERRED STOCK See attached. Exhibit B

Survival of Covenants, Representations and Warranties. Subscriber understands the meaning and legal consequences of the agreements, covenants, representations and warranties contained herein, and agrees that such agreements, covenants, representations and warranties shall survive and remain in full force and effect after the execution hereof and payment by Subscriber for the Securities. [Remainder of page left blank intentionally – signature page follows] For good, valuable and adequate consideration, the receipt and sufficiency of which is hereby acknowledged, Subscriber hereby agrees that by signing this Subscription and Investment Representation Agreement, and upon acceptance hereof by the Company, that the terms, provisions, obligations and agreements of this Agreement shall be binding upon Subscriber, and such terms, provisions, obligations and agreements shall inure to the benefit of and be binding upon Subscriber and its successors and assigns. INDIVIDUAL(S): ENTITY: /s/ Xxxxxxx X. /s/Xxxxxx Entity Xxxxxxxxx Name: Name: Xxxxxxx X. Xxxxxx By: Name: Its: Xxxxxxxxx Number of Shares Purchased: 1 Purchase Price Per Share: $10.00 1,750.00 Aggregate Purchase Price: $10.00 1,750.00 The Subscriber desires that the Securities be held as follows (check one): ☒ x Individual Ownership ☐ Corporation* ☐ ¨ Corporation ¨ Community Property ☐ Trust* ☐ ¨ Trust ¨ Jt. Tenant with Right of Survivorship ☐ ¨ Limited Liability Company* Company (both parties must sign) ☐ Partnership* ☐ ¨ Partnership ¨ Tenants in Common ☐ ¨ Other (please describe): * If Securities are being subscribed for by an entity, Exhibit C to this agreement must also be completed. The Company hereby accepts the subscription evidenced by this Subscription and Investment Representation Agreement: Panbela Therapeutics, Inc. PHIO PHARMACEUTICALS CORP. By: /s/ Xxxxxxxx X. /s/Xxxxxxx Xxxxxxxx X. Name: Xxxxxxx President and Chief Executive OfficerXxxxxxxx Title: VP, Finance & Administration

Survival of Covenants, Representations and Warranties. Subscriber understands the meaning and legal consequences of the agreements, covenants, representations and warranties contained herein, and agrees that such agreements, covenants, representations and warranties shall survive and remain in full force and effect after the execution hereof and payment by Subscriber for the Securities. [Remainder of page left blank intentionally – signature page follows] For good, valuable and adequate consideration, the receipt and sufficiency of which is hereby acknowledged, Subscriber hereby agrees that by signing this Subscription and Investment Representation Agreement, and upon acceptance hereof by the Company, that the terms, provisions, obligations and agreements of this Agreement shall be binding upon Subscriber, and such terms, provisions, obligations and agreements shall inure to the benefit of and be binding upon Subscriber and its successors and assigns. INDIVIDUAL(S): ENTITY: /s/ Xxxx Xxxxxxx X. Xxxxxx Entity Name: Name: Xxxx Xxxxxxx X. Xxxxxx By: Name: Its: Number of Shares Purchased: 1 Purchase Price Per Share: $10.00 1,000.00 Aggregate Purchase Price: $10.00 1,000.00 The Subscriber desires that the Securities be held as follows (check one): ☒ Individual Ownership ☐ Corporation* Corporation ☐ Community Property ☐ Trust* ☐ Jt. Tenant with Right of Survivorship ☐ Limited Liability Company* (both parties must sign) ☐ PartnershipLimited Liability Company* ☐ Tenants in Common ☐ Partnership* ☐ Other (please describe): * If Securities are being subscribed for by an entity, Exhibit C to this agreement must also be completed. _________ The Company hereby accepts the subscription evidenced by this Subscription and Investment Representation Agreement: Panbela TherapeuticsADITXT, Inc. INC. By: /s/ Xxxxxxxx X. Xxxxxxx Xxxxxxxx X. Xxxxxxx President and Xxxxxx Xxxxxx Name: Xxxxxx Xxxxxx Title: Chief Executive OfficerFinancial Officer Exhibit A Certificate of Designation See attached. Exhibit B Accredited Investor Status See attached.