EX-99.ni

Exhibit (n)(i)

DATUM ONE SERIES TRUST

AMENDED & RESTATED

MULTIPLE CLASS PLAN

This Amended & Restated Multiple Class Plan (this “Plan”), dated May 20, 2025, is adopted pursuant to Securities and Exchange Commission Rule 18f–3 promulgated under the Investment Company Act of 1940, as amended (the “1940 Act”).

This Plan shall govern the terms and conditions under which Datum One Series Trust (the “Trust”) may issue separate classes of shares representing interests in each series listed on the appendices and exhibits attached hereto (each a “Fund,” and together, the “Funds”). In addition, the appendices and exhibits attached hereto set forth the maximum initial sales charges, contingent deferred sales charges (“CDSCs”), Rule 12b-1 distribution fees, shareholder servicing fees, conversion features, exchange privileges and other shareholder services applicable to each class of shares of the Funds.

The Trust is an open-end series investment company registered under the 1940 Act, the shares of which are registered on Form N-1A under the Securities Act of 1933. To the extent that a subject matter herein is covered by the Trust’s Agreement and Declaration of Trust or Bylaws, the Agreement and Declaration of Trust and Bylaws will control in the event of any inconsistencies with the descriptions herein.

SECTION 1. Rights and Obligations.

Except as set forth in the appendices and exhibits attached hereto , all classes of shares issued by a Fund shall have identical voting, dividend, liquidation and other rights, preferences, powers, restrictions, limitations, qualifications, designations, and terms and conditions. The only differences among the various classes of shares relate solely to the following: (a) each class may be subject to different class expenses as discussed in the appendices and exhibits attached hereto; (b) each class may bear a different identifying designation; (c) each class has exclusive voting rights with respect to matters solely affecting such class; (d) each class may have different exchange privileges; and (e) each class may be offered to different types of investors.

SECTION 2. Effective Date.

This Plan shall not take effect with respect to a Fund until (a) a majority of the Trustees of the Trust, including a majority of the Trustees who are not “interested persons” of the Trust (as defined in the 1940 Act), find that the Plan, as proposed and including the expense allocations, is in the best interests of each class individually and the Trust as a whole, and (b) an amendment to the Trust’s registration statement under the 1940 Act and the Securities Act of 1933, as amended, with respect to multiple classes of the Fund has become effective. The provisions of this Plan may not be materially amended unless such amendment is approved in the manner specified in item (a).

SECTION 3. Board Review.

The Board of Trustees of the Trust shall review the Plan as it deems necessary. Prior to any material amendment(s) to the Plan with respect to any of a Fund’s shares, the Trust’s Board of Trustees, including a majority of the Trustees who are not interested persons of the Trust, shall find that the Plan, as proposed to be amended (including any proposed amendments to the method

APPENDIX A

DATED MAY 20, 2025

THE DATUM ONE SERIES TRUST

AMENDED & RESTATED

MULTIPLE CLASS PLAN

DATED MAY 20, 2025

BRANDES FUNDS

(each “Brandes Fund” is a Fund to which Brandes Investment Partners, L.P. services as investment manager)

Multiple Classes and Respective Fees and Sales Charges

FUND

Maximum
Initial Sales
Charge

Maximum
CDSC

Maximum
12b-1 Fee

Maximum
Shareholder
Servicing Fee

Brandes Global Equity Fund

Class A – BGEAX

5.75

None

0.25

None

Class C – BGVCX

None

1.00

%**

0.75

0.25

Class I – BGVIX

None

***

Class R6 – BGVRX

None

Brandes International Equity Fund

Class A – BIEAX

5.75

None

0.25

None

Class C – BIECX

None

1.00

%**

0.75

0.25

Class I – BIIEX

None

***

Class R6 – BIERX

None

Brandes Emerging Markets Value Fund

Class A – BEMAX

5.75

None

0.25

None

Class C – BEMCX

None

1.00

%**

0.75

0.25

Class I – BEMIX

None

***

Class R6 – BEMRX

None

Brandes International Small Cap Equity Fund

Class A – BISAX

5.75

None

0.25

None

Class C – BINCX

None

1.00

%**

0.75

0.25

Class I – BISMX

None

***

Class R6 – BISRX

None

Brandes Core Plus Fixed Income Fund

Class A – BCPAX

3.75

None

0.25

None

Class I – BCPIX

None

***

Class R6 – BCPRX

None

Brandes Small Cap Value Fund

Class A – BSCAX

5.75

None

0.25

None

Class I – BSCMX

None

***

Class R6 – BSCRX

None

^*	A charge of 1.00% will be imposed on Class A shares redeemed within one year of purchase by certain investors who did not pay any initial sales charge.

^**	A charge of 1.00% will be imposed on Class C shares redeemed within one year of purchase by any investor.

^***	Class I shares may charge up to 0.05% of sub-transfer agency fees.

EXHIBIT A.1

CERTIFICATE OF CLASS DESIGNATION

BRANDES FUNDS

1.	Classes of Shares and Designation Thereof.

Each Brandes Fund may offer any or all of the following classes of shares:

(a)

Class A Shares

Maximum Initial Sales Charge:

•

Brandes Equity Funds: 5.75%

•

Brandes Fixed Income Funds: 3.75%

Maximum CDSC: None, with the following exception: If no initial sales charge was assessed in certain circumstances, such as on a purchase of $1 million or more, a Brandes Fund may charge a contingent deferred sales charge of 1.00% of the lesser of the initial offering price of the shares redeemed or the amount redeemed within one year of purchase.

Maximum Annual Rule 12b-1 Distribution Fee: 0.25%.

Maximum Annual Shareholder Servicing Fee: None.

Conversion Features: Investors holding Class A shares who meet the criteria for eligible investors may convert to Class I or Class R6 shares.

Exchange Privileges: Investors may exchange their shares of Class A of any Brandes Fund for shares of Class A of any other Brandes Fund listed in Appendix A.

Redemption Fees: None

(b)

Class C Shares

Maximum Initial Sales Charge: None

Maximum CDSC: 1.00% on shares redeemed within one year of purchase.

Maximum Annual Rule 12b-1 Distribution Fee: 0.75%.

Maximum Annual Shareholder Servicing Fee: 0.25%.

Conversion Features: Class C shares will automatically convert to Class A shares when held for 10 years. Investors holding Class C shares who meet the criteria for eligible investors may convert to Class I or Class R6 shares.

Exchange Privileges: Investors may exchange their shares of Class C of any applicable Brandes Fund for shares of the Class C of any other applicable Brandes Fund listed in Appendix A.

Redemption Fees: None

(c)

Class I Shares

Maximum Initial Sales Charge: None.

Maximum CDSC: None.

Maximum Annual Rule 12b-1 Distribution Fee: None

Maximum Annual Shareholder Servicing Fee: None. However, Class I shares can charge up to 0.05% in sub-transfer agency fees.

Conversion Features: Holders through Financial Intermediaries: Holders of Class I shares of a Brandes Fund through a fee-based program at a financial intermediary may become ineligible to participate in the program, withdraw from the program, or change to a non-fee-based program and therefore become subject to conversion of their Class I shares to Class A or Class C shares. Such a conversion is considered to be tax-free.

Exchange Privileges: Investors may exchange their shares of Class I of any applicable Brandes Fund for shares of Class I of any other applicable Brandes Fund listed in Appendix A.

Redemption Fees: None

(d)

Class R6 Shares

Maximum Initial Sales Charge: None.

Maximum CDSC: None.

Maximum Annual Rule 12b-1 Distribution Fee: None

Maximum Annual Shareholder Servicing Fee: None.

Conversion Features: None.

Exchange Privileges: Investors may exchange their shares of Class R6 of any applicable Brandes Fund for shares of Class R6 of any other applicable Brandes Fund listed in Appendix A.

Redemption Fees: None

2.	Allocation of Expenses.

(a)

Class Expenses. Each class of shares may be subject to different class expenses consisting of: (1) shareholder service fees, if applicable to a particular class; (2) transfer agency and other recordkeeping costs to the extent allocated to a particular class; (3) Securities and Exchange Commission (“SEC”) and blue sky registration fees incurred separately by a particular class; (4) litigation or other legal expenses relating solely to a particular class; (5) printing and postage expenses related to the preparation and distribution of class-specific materials such as shareholder reports, prospectuses and proxies to shareholders of a particular class; (6) expenses of administrative personnel and services as required to support the shareholders of a particular class; (7) audit or accounting fees or expenses relating solely to a particular class; (8) Trustee fees and expenses incurred as a result of issues relating solely to a particular class; (9) distribution (Rule 12b-1) fees, if applicable to a particular class; and (10) any other expenses subsequently identified that should be properly allocated to a particular class, which shall be approved by the Board of Trustees (collectively, the “Class Expenses”).

(b)

Other Expenses. Except for the Class Expenses discussed above (which will be allocated to the appropriate class), all expenses incurred by each Fund will be allocated in accordance with Rule 18f-3 (c).

(c)

Waivers and Reimbursements of Expenses. Brandes Investment Partners, L.P. and any other provider of services to the Brandes Funds may waive or reimburse the expenses of a particular class or classes, provided, however, that such waiver shall not result in cross–subsidization between classes.

3.	Allocation of Income.

The Brandes Funds will allocate income and realized and unrealized capital gains and losses in accordance with Rule 18f-3 (c).

4.	Exchange Privileges.

Shareholders of a Brandes Fund may exchange shares of any Class of the Fund for shares of the same Class of any other Brandes Fund listed in Appendix A, subject to the Trust’s right to reject any exchange request, in whole or in part, for any reason and without prior notice. The Trust may decide to restrict purchase and sale activity (including exchanges) in shares of any Fund at any time based on various factors, including whether in its judgment, frequent purchase and sale activity will disrupt portfolio management strategies and adversely affect its performance. The Trust reserves the right to terminate or modify the exchange privileges of Brandes Fund shareholders in the future. Shares to be exchanged will be redeemed at their next calculated net asset value following receipt of an exchange request in the form of a proper redemption request, as described in the applicable prospectus. An exchange of shares will be subject to any redemption fee applicable to a redemption of shares.

5.	Conversions.

Class C shares of a Brandes Fund convert automatically to Class A shares of the same Fund on a monthly basis in the month of, or the month following, the 10-year anniversary of the Class C shares’ purchase date. Class C shares that automatically convert to Class A shares of the same Fund convert on the basis of the relative net asset values of the two classes. Shareholders do not pay a sales charge, including a CDSC, upon the conversion of their Class C shares to Class A shares pursuant to the Brandes Funds’ current prospectus. Class C shares of the Brandes Fund acquired through automatic reinvestment of dividends or distributions convert to Class A shares of the Brandes Fund on the conversion date pro rata with the converting Class C shares of the Brandes Fund that were not acquired through reinvestment of dividends or distributions. Class C shares held through a financial intermediary in an omnibus account automatically convert into Class A shares only if the intermediary can document that the shareholder has met the required holding period.

A shareholder of Class A or Class C shares may request to convert to Class I shares if they are eligible in accordance with the Brandes Funds’ current prospectus.

Investors who hold Class I shares of the Brandes Funds through a fee-based program at a financial intermediary but who subsequently become ineligible to participate in the program, withdraw from the program, or change to a non-fee based program, may be subject to conversion of their Class I shares by their financial intermediary to another class of shares of the Brandes Funds having expenses (including Rule 12b-1 fees) that may be higher than the expenses of the Class I shares. Shareholders do not pay a sales charge, including a CDSC, upon the conversion of their Class I shares to Class A or Class C shares pursuant to the Brandes Funds’ current prospectus. Investors should contact their program provider to obtain information about their eligibility for the provider’s program and the class of shares they would receive upon such a conversion. There are no tax consequences for such conversion and investors are not charged a redemption/exchange fee by the Brandes Fund.

Any implementation of a conversion feature is subject to the continuing availability of a ruling or regulations of the Internal Revenue Service, or of an opinion of counsel or tax adviser, stating that the conversion of one Class of shares to another does not constitute a taxable event under federal income tax law. The conversion feature may be suspended if such a ruling, regulation or opinion is not available.

APPENDIX B

DATED MAY 20, 2025

THE DATUM ONE SERIES TRUST

AMENDED & RESTATED

MULTIPLE CLASS PLAN

DATED MAY 20, 2025

STEWART FUNDS

(each “Stewart Fund” is a Fund to which First Sentier Investors (US) LLC services as investment manager)

Multiple Classes and Respective Fees and Sales Charges

FUND

Maximum
Initial Sales
Charge

Maximum
CDSC

Maximum
12b-1 Fee

Maximum
Shareholder
Servicing Fee

Stewart Investors Worldwide Leaders Fund

Select Shares – SWWLX

None

Investor Shares – AWWLX

None

0.10

Stewart Investors Global Emerging Markets Leaders Fund

Select Shares – SGEMX

None

Investor Shares – AGEMX

None

0.10

EXHIBIT B.1

CERTIFICATE OF CLASS DESIGNATION

STEWART FUNDS

1.	Classes of Shares and Designation Thereof.

Each Stewart Fund may offer any or all of the following classes of shares:

(a)

Select Shares

Maximum Initial Sales Charge: None.

Maximum CDSC: None.

Maximum Annual Rule 12b-1 Distribution Fee: None.

Maximum Annual Shareholder Servicing Fee: None.

Conversion Features: None.

Exchange Privileges: Investors may exchange their shares of Select Shares of any Stewart Fund for shares of Select Shares of any other First Sentier Investors (US) LLC advised series of the Trust.

Redemption Fees: None

(b)

Investor Shares

Maximum Initial Sales Charge: None.

Maximum CDSC: None.

Maximum Annual Rule 12b-1 Distribution Fee: None.

Maximum Annual Shareholder Servicing Fee: 0.10%.

Conversion Features: None.

Exchange Privileges: Investors may exchange their shares of Investor Shares of any applicable Stewart Fund for shares of the Investor Shares of any other Stewart Fund listed in Appendix B.

Redemption Fees: None

2.	Allocation of Expenses.

(a)

(b)

Other Expenses. Except for the Class Expenses discussed above (which will be allocated to the appropriate class), all expenses incurred by each Stewart Fund will be allocated in accordance with Rule 18f-3 (c).

(c)

Waivers and Reimbursements of Expenses. First Sentier Investors (US) LLC and any other provider of services to the Stewart Funds may waive or reimburse the expenses of a particular class or classes, provided, however, that such waiver shall not result in cross–subsidization between classes.

3.	Allocation of Income.

The Stewart Funds will allocate income and realized and unrealized capital gains and losses in accordance with Rule 18f-3 (c).

4.	Exchange Privileges.

Shareholders of a Stewart Fund may exchange shares of any Class of the Stewart Fund for shares of the same Class of any other Stewart Fund, listed in Appendix B, subject to the Trust’s right to reject any exchange request, in whole or in part, for any reason and without prior notice. The Trust may decide to restrict purchase and sale activity (including exchanges) in shares of any Stewart Fund at any time based on various factors, including whether in its judgment, frequent purchase and sale activity will disrupt portfolio management strategies and adversely affect its performance. The Trust reserves the right to terminate or modify the exchange privileges of Stewart Fund shareholders in the future. Shares to be exchanged will be redeemed at their next calculated net asset value following receipt of an exchange request in the form of a proper redemption request, as described in the applicable prospectus. An exchange of shares will be subject to any redemption fee applicable to a redemption of shares.