4254 | 10/12/2021

Supplement to Interactive Brokers LLC Discretionary Trading Authorization
for Financial Advisor
Reference is made to that certain Supplement to Interactive Brokers LLC Client Agreement in Connection with Trading
Digital Assets with Paxos Trust Company Through IB’s Platform (as amended from time to time, the “Crypto ClientSupplement”) and that certain Discretionary Trading Authorization/Limited Power of Attorney for Financial Advisor (asamended from time to time, the “Discretionary Trading Authorization”), each of which Client has previously executed.
Capitalized terms not defined herein have the meanings assigned to them in the Crypto Client Supplement or theDiscretionary Trading Authorization.
This supplement (“Supplement”) to the Discretionary Trading Authorization is made between Client and InteractiveBrokers LLC (“IB”) and sets forth the authorization under which Client instructs IB to permit Advisor to access the Crypto
Services provided by Paxos with respect to the Paxos Account.
Client agrees to be legally bound by the terms and conditions set forth in this Supplement. Client understands andagrees that Client continues to remain bound by the terms and conditions of the Crypto Client Supplement and theInteractive Brokers LLC Client Agreement (“Client Agreement”) which it supplements, as well as the Discretionary
Trading Authorization to which this Supplement applies.
TERMS

1. Client agrees that, except as otherwise provided below, all terms of the Crypto Client Supplement andthe Discretionary Trading Authorization shall apply to Advisor’s handling of Client’s Paxos Account(s).
Client agrees and acknowledges that all of the terms of the Crypto Client Supplement apply to digitalasset orders placed by Advisor on behalf of Client, and any other uses of the Crypto Services by Advisoron behalf of Client, to the same extent such terms would apply if Client had placed such orders, orotherwise used such Crypto Services, directly.
2. Advisor’s Authority:a. This Supplement authorizes IB to provide Advisor access to the Crypto Services with respect toClient’s Paxos Account(s) and to pass Advisor’s instructions to Paxos on behalf of Client. Thisauthorization will be applicable to all assets Client holds in all Paxos Accounts linked to IB
accounts for which Advisor has been designated. Client hereby authorizes Advisor to inquire in,trade, buy, sell, exchange, convert, or otherwise acquire or dispose of digital assets in the Paxos
Account(s) for and at the risk of Client. Client understands that a commission will be charged tothe Paxos Account each time a trade is effected unless Advisor opts to pay the commission forsuch trades on behalf of Client.
b. Client authorizes Advisor to engage one or more sub-advisors to manage the investment ofsome or all of the assets Client holds in the Paxos Account(s) and authorizes Advisor to allocate
assets among such sub-advisors. Client authorizes such sub-advisor(s) to exercise the same
trading and investment discretion in Client’s Paxos Account(s) as exercised by Advisor, andauthorizes such sub-advisors to receive all information regarding Client’s Paxos Account(s).

Client authorizes Paxos to accept the instructions of sub-advisors designated by Advisor and toaccept the instructions of employees, agents or representatives of Advisor or sub-advisors.
c. The Advisor may initiate transfers of assets between and among Client’s Paxos Account(s) andClient’s IB accounts.
d. IB reserves the right, in its sole discretion, to refuse to honor particular instructions from
Advisor with respect to the Paxos Account(s), or to no longer honor instructions from Advisor.
3. Termination: Client agree(s) to notify IB immediately, in writing, if Client terminates, modifies orrevokes this Supplement. This Supplement shall automatically terminate (in accordance with the termsof the Discretionary Trading Authorization) if at any time the Discretionary Trading Authorization isterminated.