0001104659-26-083475 Sample Contracts

DELEGATED SPONSOR AGREEMENT
Delegated Sponsor Agreement • July 14th, 2026 • Morgan Stanley Solana Trust • Commodity contracts brokers & dealers • Delaware

THIS DELEGATED SPONSOR AGREEMENT (the “Agreement”), dated as of June 17, 2026, is made by and between Morgan Stanley Investment Management Inc., a Delaware corporation (the “Delegated Sponsor”), AGS Trustees Limited, a company incorporated in the Cayman Islands (the “Cayman Trustee”), and Morgan Stanley Solana Trust, a statutory trust organized under the laws of Delaware (the “Trust”). Capitalized terms used herein and not defined shall have the meaning set forth in the Trust Agreement.

CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED FROM THIS EXHIBIT AS MARKED WITH [***] BECAUSE IT IS BOTH NOT MATERIAL AND IS THE TYPE THAT THE REGISTRANT TREATS AS PRIVATE OR CONFIDENTIAL. COINBASE PRIME – EXCHANGE-TRADED PRODUCT (ETP) STAKING ADDENDUM
Etp Staking Addendum • July 14th, 2026 • Morgan Stanley Solana Trust • Commodity contracts brokers & dealers

This addendum (the “ETP Staking Addendum”) to the Coinbase Custody Services Agreement attached as Exhibit A to that certain Coinbase Prime Broker Agreement dated March 16, 2026, and as amended on June 23, 2026 (the “Coinbase Prime Agreement”) between Morgan Stanley Investment Management Inc. as delegated sponsor of each entity listed in Schedule A of the Coinbase Prime Agreement that has determined to stake certain of its Digital Assets (each, a “Client” and referred to together herein as the “Client,” except as otherwise expressly indicated) and Coinbase, Inc. (“Coinbase”), as agent for itself and the Coinbase Entities, sets forth the terms pursuant to which Client may instruct Coinbase to make certain Digital Assets, of the type set forth on Annex A attached hereto (“Eligible Digital Assets”) held by Coinbase for Client and credited to the Vault Account available for staking, validation, or delegation (“Staking”) by one or more Staking services providers identified as such on Annex A

CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED FROM THIS EXHIBIT AS MARKED WITH [***] BECAUSE IT IS BOTH NOT MATERIAL AND IS THE TYPE THAT THE REGISTRANT TREATS AS PRIVATE OR CONFIDENTIAL. EXHIBIT A to the Coinbase Prime Broker Agreement COINBASE...
Coinbase Custody Services Agreement • July 14th, 2026 • Morgan Stanley Solana Trust • Commodity contracts brokers & dealers

This Coinbase Custody Services Agreement (the “Custody Agreement”) is entered into between by and between each entity listed in Schedule A to then Coinbase PBA, (each a “Client” and referred to together herein as the “Client”, except as otherwise expressly indicated) and Coinbase Custody and forms a part of the respective Coinbase PBA between each Client and the Coinbase Entities. Capitalized terms used in this Custody Agreement that are not defined herein shall have the meanings assigned to them in the other parts of the Coinbase PBA. This Custody Agreement shall constitute separate agreements, each between a single Client and the Coinbase Custody, as if such Client had executed a separate Custody Agreement naming only itself as the Client, and no Client shall have any liability for the obligations of any other Client.