FIRST AMENDMENT TO AMENDED AND RESTATED SECURED PROMISSORY NOTE

THIS FIRST AMENDMENT TO AMENDED AND RESTATED SECURED PROMISSORY NOTE (this “Amendment”) is entered into by Generation Income Properties, L.P., a Delaware limited partnership (the “Maker”), and Brown Family Enterprises LLC, a Delaware limited liability company (the “Noteholder”), effective as of October 14, 2026.

The Maker issued to the Noteholder an Amended and Restated Secured Promissory Note dated July 21, 2023, in the original principal amount of $5,500,000 (the “Note”), secured by the Amended and Restated Security Agreement dated July 21, 2023, between the Maker and the Noteholder (the “Security Agreement”). The Parties agree as follows:

1. PRINCIPAL BALANCE.The Parties acknowledge the Maker’s $300,000 principal payment on July 6, 2026, and confirm that the outstanding principal balance of the Note as of September 28, 2026, was $5,200,000. Any subsequent payments shall be credited in accordance with the Note. This acknowledgment does not capitalize interest or increase the indebtedness.

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PRIVATE PLACEMENT UNITS PURCHASE AGREEMENT

THIS PRIVATE PLACEMENT UNITS PURCHASE AGREEMENT, dated as of September 30, 2026 (as it may from time to time be amended, this “Agreement”), is entered into by and between Southport Acquisition Corp. II, a Cayman Islands exempted company (the “Company”), and Southport Acquisition Sponsor II LLC, a Delaware limited liability company (the “Purchaser”).

WHEREAS, the Company intends to consummate an initial public offering of the Company’s units (the “Public Offering”), each unit consisting of one Class A Ordinary Share, par value $0.0001 per share, of the Company (an “Ordinary Share”), and one-half of one redeemable warrant (a “Warrant”) to purchase Ordinary Share (a “Warrant Share”) to be governed by the Warrant Agreement to be entered into between the Company and Continental Stock Transfer & Trust Company, as warrant agent (the “Warrant Agreement”). Each whole Warrant entitles the holder to purchase one Ordinary Share at an exercise price of $11.50 per Ordinary Share. The Purchaser has agre

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REGISTRATION RIGHTS AGREEMENT

THIS REGISTRATION RIGHTS AGREEMENT (this “Agreement”), dated as of September 30, 2026, is made and entered into by and among Southport Acquisition Corp. II, a Cayman Islands exempted company (the “Company”), and Southport Acquisition Sponsor II LLC, a Delaware limited liability company (the “Sponsor”), Cohen & Company Capital Markets, a division of Cohen & Company Securities, LLC (the “Representative”), and the undersigned parties listed under Holder on the signature pages hereto (together with any person or entity who hereafter becomes a party to this Agreement pursuant to Section 5.2 of this Agreement, a “Holder” and collectively the “Holders”).

RECITALS

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**INVESTMENT MANAGEMENT TRUST AGREEMENT **

This Investment Management Trust Agreement (this “Agreement”) is made effective as of September 30, 2026 by and between Southport Acquisition Corp. II, a Cayman Islands exempted company (the “Company”), and Continental Stock Transfer & Trust Company, a New York corporation (the “Trustee”).

WHEREAS, the Company’s registration statement on Form S-1 (File No. 333-298104) (the “Registration Statement”) and prospectus (the “Prospectus”) for the initial public offering of the Company’s units (the “Units”), each of which consists of one of the Company’s Class A ordinary shares, par value $0.0001 per share (the “Ordinary Shares”), and one-half of one redeemable warrant, each whole warrant entitling the holder thereof to purchase one Ordinary Share (such initial public offering hereinafter referred to as the “Offering”), has been declared effective as of the date hereof by the U.S. Securities and Exchange Commission;

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September 30, 2026

Southport Acquisition Corp. II

8 Bolling Place

Greenwich, CT 06830

Re:	Initial Public Offering

Ladies and Gentlemen:

This letter (this “Letter Agreement”) is being delivered to you in accordance with the Underwriting Agreement (the “Underwriting Agreement”) entered into by and among Southport Acquisition Corp. II, a Cayman Islands exempted company (the “Company”) and Cohen & Company Capital Markets, a division of Cohen & Company Securities, LLC, as representative (the “Representative” or “CCM”) of the underwriters (the “Underwriters”), relating to an underwritten initial public offering (the “Public Offering”), of up to 23,000,000 of the Company’s units (including up to 3,000,000 units which may be purchased to cover over-allotments, if any) (the “Units”), each unit comprised of one Class A ordinary share, par value $0.0001 per share, of the Company (the “Class A Ordinary Shares”) and one-half of one redeemable warrant (each wh

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PRIVATE PLACEMENT UNITS PURCHASE AGREEMENT

This PRIVATE PLACEMENT UNITS PURCHASE AGREEMENT (this “Agreement”) is made as of the September 30, 2026, by and between Southport Acquisition Corp. II, a Cayman Islands exempted company (the “Company”) and Cohen & Company Capital Markets, a division of Cohen & Company Securities, LLC (the “Subscriber”).

WHEREAS, the Company intends to consummate an initial public offering (the “IPO”) of the Company’s units (the “Units”), each Unit consisting of one Class A ordinary share, par value $0.0001 per share (the “Class A Ordinary Shares”), of the Company, and one-half of one redeemable warrant (a “Public Warrant”) to be governed by the Warrant Agreement to be entered into between the Company and Continental Stock Transfer & Trust Company, as warrant agent (the “Warrant Agreement”). Each whole Warrant entitles the holder thereof to purchase one Class A Ordinary Share at an exercise price of $11.50 per Class A Ordinary Share;

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Southport Acquisition Corp. II

8 Bolling Place

Greenwich, CT 06830

September 30, 2026

Southport Acquisition Sponsor II LLC

8 Bolling Place

Greenwich, CT 06830

Re:	Administrative Services Agreement

Ladies and Gentlemen:

This letter agreement by and between Southport Acquisition Corp. II (the “Company”) and the Company’s sponsor, Southport Acquisition Sponsor II LLC (the “Service Provider”), dated as of the date hereof, will confirm our agreement that, commencing on the date the securities of the Company are first listed on the New York Stock Exchange (the “Listing Date”), pursuant to a Registration Statement on Form S-1 and prospectus filed with the U.S. Securities and Exchange Commission (the “Registration Statement”) and continuing until the earlier of the consummation by the Company of an initial business combination and the Company’s liquidation (in each case as described in the Registration Statement) (such earlier date hereinafter referred to as the

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INDEMNITY AGREEMENT

THIS INDEMNITY AGREEMENT (this “Agreement”) is made as of September 30, 2026, by and between Southport Acquisition Corp. II, a Cayman Islands exempted company (the “Company”), and the undersigned (“Indemnitee”).

RECITALS

WHEREAS, highly competent persons have become more reluctant to serve publicly-held companies as directors, officers or in other capacities unless they are provided with adequate protection through insurance or adequate indemnification against inordinate risks of claims and actions against them arising out of their service to and activities on behalf of such companies;

WHEREAS, the Board of Directors of the Company (the “Board”) has determined that, in order to attract and retain qualified individuals, the Company will attempt to maintain on an ongoing basis, at its sole expense, liability insurance to protect persons serving the Company and its Subsidiaries (as defined below) from certain liabilities;

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Certain confidential information contained in this document, marked by [***], has been omitted

because the registrant has determined that the information (i) is not material and (ii) is the type

that the registrant treats as private or confidential.

COINBASE PRIME BROKER AGREEMENT

General Terms and Conditions

1.

Introduction

This agreement (including, the Coinbase Custody Custodial Services Agreement attached hereto as Exhibit A (the “Custody Agreement”), the Coinbase Settlement and Transfer Agreement attached hereto as Exhibit B (the “STA”), and all other exhibits, addenda and supplements attached hereto or referenced herein, collectively, the “Coinbase Prime Broker Agreement”), is entered into by and between each entity listed in Schedule A (each a “Client”), Grayscale Investments Sponsors, LLC (“Sponsor”) , and Coinbase, Inc. (“Coinbase”), on behalf of itself and as agent for Coinbase Custody Trust Company, LLC (“Coinbase Custody” or “Trust Company”), and, as applicable, Coinbase Credit, Inc. (“Coinbase Credit,” and collectively with Coinbase and Coinbase Custody, the

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Certain confidential information contained in this document, marked by [***], has been omitted because the registrant has determined that the information (i) is not material and (ii) is the type that the registrant treats as private or confidential.

AMENDMENTTOTHECOINBASEPRIME BROKER AGREEMENT

ThisAmendment(this“Amendment”),datedasofSeptember 29,2026,totheCoinbasePrime Broker Agreement, dated October 3, 2025, by and between Coinbase, Inc. (“Coinbase”), on behalf of itselfandasagentforCoinbase,CoinbaseCustodyTrustCompany,LLC(“CoinbaseCustody”),and,as applicable,CoinbaseCredit,Inc. (“Coinbase Credit”, and collectively with CoinbaseandCoinbase Custody,the“CoinbaseEntities”),andthepartyorpartiesidentifiedasa clientthereunder(assuchCoinbasePrimeBrokerAgreementmayhavebeenamendedfromtimetotime,the“Original Agreement”), is entered into by the Coinbase Entities and each Client identifiedonScheduleAhereto. EachCoinbaseEntityandeachClientmaybeindividuallyreferredto as a “Party” and collectively, the “Parties”.

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Certain confidential information contained in this document, marked by [***], has been omitted because the registrant has determined that the information (i) is not material and (ii) is the type that the registrant treats as private or confidential.

AMENDMENT NUMBER 2 TO AMENDED AND RESTATED BITGO CUSTODIAL SERVICES AGREEMENT AND MUTUAL TERMINATION OF CUSTODIAL SERVICES AGREEMENT (GRAYSCALE BITTENSOR TRUST (TAO))

This Amendment and Mutual Termination (this “Amendment”) to the Agreement (as defined below) is made and entered into as of the date last signed below (the “Amendment Effective Date”) by and between BitGo Bank & Trust, National Association (“Custodian”) and Grayscale Investments Sponsors, LLC, on behalf of each entity listed on Schedule B (collectively, “Client”). Custodian and Client are each a “Party” and together, the “Parties”.

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(v04/23)

PAGE 10

Exhibit 10.1

Certain confidential information contained in this document, marked by [***], has been omitted because the registrant has determined that the information (i) is not material and (ii) is the type that the registrant treats as private or confidential.

AMENDED AND RESTATED BITGO CUSTODIAL SERVICES AGREEMENT

This Amended and Restated Custodial Services Agreement (this “Agreement”) is made as of June 5, 2026 (the “Effective Date”) by and between each entity listed on Schedule B (severally and not jointly, each a “Client”) and BitGo Bank & Trust, National Association (“Custodian”). This Agreement amends and restates the prior Custodial Services Agreement, effective May 15, 2025, between each Client and Custodian. This Agreement governs Client’s use of the Custodial Services and the Wallet Services (each as defined below, and collectively, the “Services”) provided or made available by Custodian.

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