# EDGAR Filing Document

**Accession Number:** 0001406305
**File Stem:** 0001133228-26-007634
**Filing Date:** 2026-4
**Character Count:** 32455
**Document Hash:** 49d0067ee2300f2eeaf00ad7aa4a22fa
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001133228-26-007634.hdr.sgml**: 20260430

**ACCESSION NUMBER**: 0001133228-26-007634

**CONFORMED SUBMISSION TYPE**: 497K

**PUBLIC DOCUMENT COUNT**: 3

**FILED AS OF DATE**: 20260430

**DATE AS OF CHANGE**: 20260430

**EFFECTIVENESS DATE**: 20260430

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Gateway Trust
- **CENTRAL INDEX KEY:** 0001406305

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 497K
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-144744
- **FILM NUMBER:** 26927450

**BUSINESS ADDRESS:**
- **STREET 1:** 888 BOYLSTON STREET
- **STREET 2:** 8TH FLOOR
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02199
- **BUSINESS PHONE:** 617-449-2810

**MAIL ADDRESS:**
- **STREET 1:** 888 BOYLSTON STREET
- **STREET 2:** 8TH FLOOR
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02199

## Series and Classes Contracts Data

### Gateway Fund (Series ID: S000019169)

| Class ID   | Class Name     | Ticker Symbol   |
|:---|:---|:---|
| C000052969 | Class A Shares | GATEX           |
| C000052970 | Class C Shares | GTECX           |
| C000052971 | Class Y Shares | GTEYX           |
| C000190730 | Class N        | GTENX           |

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| | |
|:---|:---|
| ![](sp4870img002.jpg)  | Summary Prospectus<br>May 1, 2026 |

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Gateway Fund <br> Ticker Symbol: Class A (GATEX), Class C (GTECX), Class N (GTENX), and Class Y (GTEYX)

<br>Before you invest, you may want to review the Fund's Prospectus, which contains more information about the Fund and its risks. You can find the Fund's Prospectus, reports to shareholders, and other information about the Fund online at im.natixis.com/funddocuments. You can also get this information at no cost by calling 800-225-5478 or by sending an e-mail request to NatixisFunds@natixis.com. The Fund's Prospectus and Statement of Additional Information, each dated May 1, 2026, as may be revised or supplemented from time to time, are incorporated by reference into this Summary Prospectus.

Investment Goal

The Fund seeks to capture the majority of the returns associated with equity market investments, while exposing investors to less risk than other equity investments.

Fund Fees & Expenses

The following table describes the fees and expenses that you may pay if you buy, hold, and sell shares of the Fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in this table. You may qualify for sales charge discounts if you and your family invest, or agree to invest in the future, at least $50,000 in the Natixis Funds Complex. More information about these and other discounts is available from your financial professional and in the section "How Sales Charges Are Calculated" on page 47 of the Prospectus, in Appendix A to the Prospectus and on page 89 in the section "Reduced Sales Charges" of the Statement of Additional Information ("SAI").

Shareholder Fees

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| | | | | |
|:---|:---|:---|:---|:---|
| (fees paid directly from your investment) | **Class A** | **Class C** | **Class N** | **Class Y** |
| Maximum sales charge (load) imposed on purchases (as a percentage of offering price) | 5.75% |  |  |  |
| Maximum deferred sales charge (load) (as a percentage of original purchase price or redemption proceeds, as applicable) | None<sup>1</sup> | 1.00% |  |  |
| Redemption fees |  |  |  |  |

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| | |
|:---|:---|
| 1 | A 1.00% contingent deferred sales charge ("CDSC") may apply to certain purchases of Class A shares of $1,000,000 or more that are redeemed within eighteen months of the date of purchase. |

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Annual Fund Operating Expenses

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| | | | | |
|:---|:---|:---|:---|:---|
| (expenses that you pay each year as a percentage of the value of your investment) | **Class A** | **Class C** | **Class N** | **Class Y** |
| Management fees | 0.59% | 0.59% | 0.59% | 0.59% |
| Distribution and/or service (12b-1) fees | 0.25% | 1.00% | 0.00% | 0.00% |
| Other expenses | 0.13% | 0.14% | 0.06% | 0.14% |
| Total annual fund operating expenses | 0.97% | 1.73% | 0.65% | 0.73% |
| Fee waiver and/or expense reimbursement<sup>1</sup> | 0.03% | 0.03% | 0.00% | 0.03% |
| Total annual fund operating expenses after fee waiver and/or expense reimbursement | 0.94% | 1.70% | 0.65% | 0.70% |

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| | |
|:---|:---|
| 1 | Gateway Investment Advisers, LLC ("Gateway" or the "Adviser") has given a binding contractual undertaking to the Fund to limit the amount of the Fund's total annual fund operating expenses to 0.94%, 1.70%, 0.65%, and 0.70% of the Fund's average daily net assets for Class A, Class C, Class N, and Class Y shares, respectively, exclusive of brokerage expenses, interest expense, taxes, acquired fund fees and expenses, organizational and extraordinary expenses, such as litigation and indemnification expenses. This undertaking is in effect through April 30, 2027 and may be terminated before then only with the consent of the Fund's Board of Trustees. The Adviser will be permitted to recover, on a class-by-class basis, management fees waived and/or expenses reimbursed to the extent that expenses in later periods fall below both (1) the class' applicable expense limitation at the time such amounts were waived/reimbursed and (2) the class' current applicable expense limitation. The Fund will not be obligated to repay any such waived/reimbursed fees and expenses more than one year after the end of the fiscal year in which the fees or expenses were waived/reimbursed. |

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Example

This example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem all of your shares at the end of those periods (except where indicated). The example also assumes that your investment has a 5% return each year and that the Fund's operating expenses remain the same, except that the examples for the Class A, Class C and Class Y shares are based on the Total Annual Fund Operating Expenses After Fee Waiver and/or Expense Reimbursement assuming

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Fund Summary

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that such waiver and/or reimbursement will only be in place through the date noted above and on the Total Annual Fund Operating Expenses for the remaining periods. The example for Class C shares for the ten-year period reflects the conversion to Class A shares after eight years. The example does not take into account brokerage commissions and other fees to financial intermediaries that you may pay on your purchases and sales of shares of the Fund. Although your actual costs may be higher or lower, based on these assumptions your costs would be:

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| | | | | |
|:---|:---|:---|:---|:---|
| **If shares are redeemed:** | **1 year** | **3 years** | **5 years** | **10 years** |
| Class A | $665 | $863 | $1078 | $1694 |
| Class C | $273 | $542 | $936 | $1837 |
| Class N | $66 | $208 | $362 | $810 |
| Class Y | $72 | $230 | $403 | $904 |

---

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| | | | | |
|:---|:---|:---|:---|:---|
| **If shares are not redeemed:** | **1 year** | **3 years** | **5 years** | **10 years** |
| Class C | $173 | $542 | $936 | $1837 |

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Portfolio Turnover

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes for you if your Fund shares are held in a taxable account. These costs, which are not reflected in annual fund operating expenses or in the example, affect the Fund's performance. During its most recently ended fiscal year, the Fund's portfolio turnover rate was 17% of the average value of its portfolio.

Investments, Risks and Performance

Principal Investment Strategies

Under normal circumstances, the Fund invests in a broadly diversified portfolio of common stocks, while also selling index call options and purchasing index put options. Writing index call options is intended to reduce the Fund's volatility, provides steady cash flow and is an important source of the Fund's return, although it also reduces the Fund's ability to profit from increases in the value of its equity portfolio. The Fund also buys index put options, which can protect the Fund from a significant market decline that may occur over a short period of time. The value of an index put option generally increases as the prices of the stocks constituting the index decrease, and decreases as those stocks increase in price. From time to time, the Fund may reduce its holdings of put options, resulting in an increased exposure to a market decline. The combination of the diversified stock portfolio, the steady cash flow from the sale of index call options and the downside protection from index put options is intended to provide the Fund with the majority of the returns associated with equity market investments while exposing investors to less risk than other equity investments. The Fund may also invest in affiliated and unaffiliated mutual funds and exchange-traded funds, to the extent permitted by the Investment Company Act of 1940. The Fund may invest in companies with small, medium or large market capitalizations. Equity securities purchased by the Fund may include U.S. exchange-listed common stocks, American Depositary Receipts ("ADRs"), which are securities issued by a U.S. bank that represent interests in foreign equity securities, and interests in real estate investment trusts ("REITs").

The Fund strives not only for the majority of the returns associated with equity market investments, but also for returns in excess of those available from other investments comparable in volatility. Because, as described above, the Fund writes index call options and purchases index put options in addition to investing in equity securities, the Fund's historical volatility has been closer to intermediate- to long-term fixed-income investments (intermediate-term are those with approximately five-year maturities and long-term are those with maturities of ten or more years) and hybrid investments (blends of equity and short-term fixed-income securities) than to equity investments. With its core investment in equities, the Fund is significantly less vulnerable to fluctuations in value caused by interest rate volatility, a risk factor present in both fixed-income investments and "hybrid investments" (blends of equity and short-term fixed-income), although the Fund expects to generally have lower long-term returns than a fund consisting solely of equity securities. Through the use of index options, the Fund intends that its risk management strategy will reduce the volatility inherent in equity investments while also allowing for more participation in equity returns than hybrid investments. Thus, the Fund seeks to provide an efficient trade-off between risk and reward where risk is characterized by volatility or fluctuations in value over time.

**Purchasing Stocks**

The Fund invests in a diversified stock portfolio, generally consisting of approximately 200 to 400 stocks, designed to support the Fund's index option based risk management strategy as efficiently as possible while seeking to enhance the Fund's after tax total return. The Adviser uses a multifactor quantitative model to construct the stock portfolio. The model evaluates U.S.-exchange-traded equities that meet criteria and constraints established by the Adviser. Generally, the Adviser tries to minimize the difference between the performance of the stock portfolio and that of the index or indices underlying the Fund's option strategies while also considering other factors, such as predicted dividend yield. The Adviser monitors this difference and the other factors, and rebalances and adjusts the stock portfolio from time to time, by purchasing and selling stocks. To the extent consistent with the Fund's investment goal, the Adviser may also sell stocks to realize capital losses in an effort to minimize any required capital gain distributions. The Adviser expects the portfolio to generally represent the broad U.S. equity market.

**Writing Index Call Options**

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Fund Summary

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The Fund continuously writes index call options, typically on broad-based securities market indices, on the full value of its broadly diversified stock portfolio. As the seller of the index call option, the Fund receives cash (the "premium") from the purchaser. The purchaser of an index call option has the right to any appreciation in the value of the index over a fixed price (the "exercise price") on a certain date in the future (the "expiration date"). If the purchaser does not exercise the option, the Fund retains the premium. If the purchaser exercises the option, the Fund pays the purchaser the difference between the value of the index and the exercise price of the option. The premium, the exercise price and the value of the index determine the gain or loss realized by the Fund as the seller of the index call option. The Fund can also repurchase the call option prior to the expiration date, ending its obligation. In this case, the difference between the cost of repurchasing the option and the premium received will determine the gain or loss realized by the Fund.

**Purchasing Index Put Options**

The Fund may buy index put options in an attempt to protect the Fund from a significant market decline that may occur over a short period of time. The value of an index put option generally increases as stock prices (and the value of the index) decrease and decreases as those stocks (and the index) increase in price.

**Other Investments**

The Fund may invest in foreign securities traded in U.S. markets (through ADRs or stocks traded in U.S. dollars). The Fund may enter into repurchase agreements and/or hold cash and cash equivalents.

Principal Investment Risks

The principal risks of investing in the Fund are summarized below. The Fund does not represent a complete investment program. You may lose money by investing in the Fund.

Fund shares are not bank deposits and are not guaranteed, endorsed or insured by the Federal Deposit Insurance Corporation or any other government agency, and are subject to investment risks, including possible loss of the principal invested.

The significance of any specific risk to an investment in the Fund will vary over time, depending on the composition of the Fund's portfolio, market conditions, and other factors. You should read all of the risk information presented below carefully, because any one or more of these risks may result in losses to the Fund.

**Management Risk:** A strategy used by the Fund's portfolio managers may fail to produce the intended result.

**Options Risk:** The value of the Fund's positions in index options will fluctuate in response to changes in the value of the underlying index. Writing index call options limits the opportunity to profit from an increase in the market value of stocks in exchange for up-front cash at the time of selling the call option. The Fund also risks losing all or part of the cash paid for purchasing index put options. Unusual market conditions or the lack of a ready market for any particular option at a specific time may reduce the effectiveness of the Fund's option strategies, and for these and other reasons the Fund's option strategies may not reduce the Fund's volatility to the extent desired.

**Equity Securities Risk:** The value of the Fund's investments in equity securities could be subject to unpredictable declines in the value of individual securities and periods of below-average performance in individual securities or in the equity market as a whole. In the event an issuer is liquidated or declares bankruptcy, the claims of owners of the issuer's bonds generally take precedence over the claims of those who own preferred stock or common stock. Securities of real estate-related companies and REITs in which the Fund may invest may be considered equity securities, thus subjecting the Fund to the risks of investing in equity securities generally. Small- and mid-capitalization and emerging growth companies may be subject to more abrupt price movements, limited markets and less liquidity than larger, more established companies, which could adversely affect the value of the Fund's equity portfolio.

**Correlation Risk**: The Fund's ability to manage the volatility of its equity portfolio by writing index options depends on the correlation between the returns of the equity portfolio and those of the index on which the Fund's index options are written. Accordingly, the effectiveness of the Fund's index option-based risk management strategy may be reduced to the extent the performance of the Fund's equity portfolio does not correlate to that of the indices underlying its option positions.

**Foreign Securities Risk:** Investments in foreign securities may be subject to greater political, economic, environmental, credit/counterparty and information risks.The Fund's investments in foreign securities also are subject to foreign currency fluctuations and other foreign currency-related risks. Foreign securities may be subject to higher volatility than U.S. securities, varying degrees of regulation and limited liquidity.

**Cybersecurity and Technology Risk:** The Fund, its service providers, and other market participants increasingly depend on complex information technology and communications systems, which are subject to a number of different threats and risks that could adversely affect the Fund and its shareholders. Cybersecurity and other operational and technology issues may result in financial losses to the Fund and its shareholders.

**Investments in Other Investment Companies Risk:** The Fund will indirectly bear the management, service and other fees of any other investment companies, including exchange-traded funds, in which it invests in addition to its own expenses.

**Issuer Exposure Risk:** Although the Fund is "diversified" within the meaning of the Investment Company Act of 1940 (the "1940 Act"), increases in value in certain securities held by the Fund could cause the Fund to be significantly exposed to a relatively small number of issuers. Similarly, although the Fund is not an index fund, in order to reduce the Fund's performance dispersion from its benchmark the Fund may use investments in other investment companies to increase its exposure to certain issuers to a greater extent than might otherwise be permitted under the 1940 Act. This exposure to a relatively small number of issuers could increase the risk and volatility of the Fund.

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Fund Summary

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**Large Shareholder Transaction Risk:** Ownership of shares of the Fund may be concentrated in one or a few large investors. Such investors may redeem shares in large quantities or on a frequent basis. In addition, a large number of shareholders collectively may purchase or redeem Fund shares in large amounts rapidly or unexpectedly (collectively, such transactions are referred to as "large shareholder transactions"). In the event of a large shareholder transaction, the Fund may be required to sell investments at unfavorable times or prices, which may increase realized capital gains, including short-term capital gains taxable as ordinary income for shareholders who hold Fund shares in a taxable account, may accelerate the realization of taxable income to shareholders, may increase transaction costs, and may otherwise negatively impact fund performance. The effects of taxable income and/or gains resulting from large shareholder transactions would particularly impact non-redeeming shareholders who do not hold their Fund shares in an IRA, 401(k) plan or other tax-advantaged plan. In addition, such transactions potentially limit the use of any capital loss carryforwards and certain other losses to offset future realized capital gains (if any). Such transactions may also increase the Fund's expenses. A number of circumstances may cause the Fund to experience large redemptions, such as changes in the eligibility criteria for the Fund or share class of the Fund; liquidations, reorganizations, repositionings, or other announced Fund events; or changes in investment objectives, strategies, policies, risks, or investment personnel.

**Market/Issuer Risk:** The market value of the Fund's investments will move up and down, sometimes rapidly and unpredictably, based upon overall market and economic conditions, as well as a number of reasons that directly relate to the issuers of the Fund's investments, such as management performance, financial condition and demand for the issuers' goods and services. The Adviser will attempt to reduce this risk by implementing various volatility management strategies and techniques. However, there is no guarantee that such strategies and techniques will produce the intended result.

**REITs Risk:** Investments in the real estate industry, including REITs, are particularly sensitive to economic downturns and are sensitive to factors such as changes in real estate values, property taxes and tax laws, interest rates, cash flow of underlying real estate assets, occupancy rates, government regulations affecting zoning, land use and rents and the management skill and creditworthiness of the issuer. Companies in the real estate industry also may be subject to liabilities under environmental and hazardous waste laws. In addition, the value of a REIT is affected by changes in the value of the properties owned by the REIT or mortgage loans held by the REIT. REITs are also subject to default and prepayment risk. Many REITs are highly leveraged, increasing their risk. The Fund will indirectly bear its proportionate share of expenses, including management fees, paid by each REIT in which it invests in addition to the expenses of the Fund. REITs are also subject to the possibilities of failing to qualify for the favorable tax treatment available to REITs under the Internal Revenue Code of 1986, as amended, and failing to maintain their exemptions from registration under the Investment Company Act of 1940, as amended.

<br>Risk/Return Bar Chart and Table

The bar chart and table shown below provide some indication of the risks of investing in the Fund by showing changes in the Fund's performance from year-to-year and by showing how the Fund's average annual returns for the one-year, five-year, ten-year and life-of-class periods (as applicable) compare to those of two broad measures of market performance. Performance for Class C shares includes the automatic conversion to Class A shares after eight years, where applicable. The Fund's past performance (before and after taxes) does not necessarily indicate how the Fund will perform in the future. Updated performance information is available online at im.natixis.com and/or by calling the Fund toll-free at 800-225-5478.

The chart does not reflect any sales charge that you may be required to pay when you buy or redeem the Fund's shares. A sales charge will reduce your return. To the extent that a class of shares was subject to the waiver or reimbursement of certain expenses during a period, had such expenses not been waived or reimbursed during the period, total returns would have been lower.

**Total Returns for Class Y Shares**

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| | |
|:---|:---|
| ![](sp4870img001.jpg)  | Highest Quarterly Return:<br>Second Quarter 2020, 8.36%<br>Lowest Quarterly Return:<br>First Quarter 2020, -10.01% |

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| | | | | |
|:---|:---|:---|:---|:---|
| **Average Annual Total Returns**<br>(for the periods ended December 31, 2025) | <br>**Past 1 Year** | <br>**Past 5 Years** | <br>**Past 10 Years** | <br>**Life of Class N**<br>**(5/1/17)** |
| Class Y - Return Before Taxes | 10.84% | 7.59% | 6.67% | - |
| Return After Taxes on Distributions | 10.70% | 7.40% | 6.37% | - |
| Return After Taxes on Distributions and Sale of Fund Shares | 6.51% | 5.94% | 5.29% | - |
| Class A - Return Before Taxes | 4.22% | 6.07% | 5.79% | - |

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Fund Summary

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| | | | | |
|:---|:---|:---|:---|:---|
| **Average Annual Total Returns**<br>(for the periods ended December 31, 2025) | <br>**Past 1 Year** | <br>**Past 5 Years** | <br>**Past 10 Years** | <br>**Life of Class N**<br>**(5/1/17)** |
| Class C - Return Before Taxes | 8.72% | 6.51% | 5.77% | - |
| Class N - Return Before Taxes | 10.89% | 7.64% | - | 6.67% |
| S&P 500<sup>®</sup> Index | 17.88% | 14.42% | 14.82% | 14.77% |
| Bloomberg U.S. Aggregate Bond Index | 7.30% | -0.36% | 2.01% | 1.84% |

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After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes. Actual after-tax returns depend on an investor's tax situation and may differ from those shown. After-tax returns shown are not relevant to investors who hold their shares through tax-advantaged arrangements, such as 401(k) plans, qualified plans, education savings accounts, such as 529 plans, or individual retirement accounts. The after-tax returns are shown for only one class of the Fund. After-tax returns for the other classes of the Fund will vary. Index performance reflects no deduction for fees, expenses or taxes.

Management

Investment Adviser

Gateway

Portfolio Managers

Daniel M. Ashcraft, CFA<sup>®</sup>, Senior Vice President and Portfolio Manager of the Adviser, has served as co-portfolio manager of the Fund since 2016.

Michael T. Buckius, CFA<sup>®</sup>, Chief Executive Officer and Chief Investment Officer of the Adviser, has served as co-portfolio manager of the Fund since 2008.

Kenneth H. Toft, CFA<sup>®</sup>, Senior Vice President and Portfolio Manager of the Adviser, has served as co-portfolio manager of the Fund since 2013.

Mitchell J. Trotta, CFA<sup>®</sup>, Vice President and Portfolio Manager of the Adviser, has served as co-portfolio manager of the Fund since 2021.

Purchase and Sale of Fund Shares

Class A and C Shares

The following chart shows the investment minimums for various types of accounts:

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| | |
|:---|:---|
| **Type of Account** | **Minimum Initial Purchase** |
| Any account other than those listed below | $2500 |
| For shareholders participating in Natixis Funds' Automatic Investment Plan | $1000 |
| For Traditional IRA, Roth IRA, Rollover IRA, SEP-IRA and Keogh plans | $1000 |

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There is no subsequent investment minimum for these shares. There is no initial investment minimum for:

• **Fee Based Programs** (such as wrap accounts) where an advisory fee is paid to the broker-dealer or other financial intermediary. Please consult your financial
 representative to determine if your fee based program is subject to additional or different conditions or fees.

• **Certain Retirement Plans.** Please consult your retirement plan administrator to determine if your retirement plan is subject to additional or different conditions
 or fees imposed by the plan administrator.

• Clients
 of a **Registered Investment Adviser** where the Registered Investment Adviser receives an advisory, management or consulting fee.

• Effective
 June 1, 2026, accounts invested through certain intermediaries held within an **Intermediary Omnibus Account**.

• Effective
 June 1, 2026, in its sole discretion, Natixis Distribution, LLC (the "Distributor") may waive any share class eligibility
 requirement.

The minimum investment requirements for Class A shares may be waived or lowered for investments effected through certain financial intermediaries that have entered into special arrangements with the Distributor. Consult your financial intermediary for additional information regarding the minimum investment requirement applicable to your investment.

Class N Shares

Class N shares of the Fund are subject to a $1,000,000 initial investment minimum. This minimum applies to Fee Based Programs and accounts (such as wrap accounts) where an advisory fee is paid to the broker-dealer or other financial intermediary. There is no subsequent investment minimum for these shares. There is no initial investment minimum for:

• **Certain Retirement Plans.** Please consult your retirement plan administrator to determine if your retirement plan is subject to additional or different conditions
 or fees imposed by the plan administrator.

• **Funds of funds** that
 are distributed by the
 Distributor.

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Fund Summary

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;

• **Sub-accounts** held within an omnibus account, where the omnibus account has at least $1,000,000. (Effective June 1, 2026, this waiver no longer applies.)

• Effective
 June 1, 2026, accounts invested through certain intermediaries held within an **Intermediary Omnibus Account.** 

• Effective
 June 1, 2026, in its sole discretion, the Distributor may waive any share class eligibility requirement.

Class Y Shares

Class Y shares of the Fund are generally subject to a minimum initial investment of $100,000. There is no subsequent investment minimum for these shares. There is no minimum initial investment for:

• **Fee Based Programs** (such as wrap accounts) where an advisory fee is paid to the broker-dealer or other financial intermediary. Please consult your financial
 representative to determine if your fee based program is subject to additional or different conditions or fees.

• **Certain Retirement Plans.** Please consult your retirement plan administrator to determine if your retirement plan is subject to additional or different conditions
 or fees imposed by the plan administrator.

• **Certain Individual Retirement Accounts** if the amounts invested represent rollover distributions from investments by any of the retirement plans invested
 in the Fund.

• Clients
 of a **Registered Investment Adviser** where the Registered Investment Adviser receives an advisory, management or consulting fee.

• **Fund Trustees,** former
 Fund trustees, employees of affiliates of the Natixis Funds and other individuals who are affiliated with any Natixis Fund (this also applies to any spouse,
 parents, children, siblings, grandparents, grandchildren and in-laws of those mentioned) and Natixis affiliate employee benefit plans.

• Effective
 June 1, 2026, accounts invested through certain intermediaries held within an **Intermediary Omnibus Account**.

• Effective
 June 1, 2026, in its sole discretion, the Distributor may waive any share class eligibility requirement.

At the discretion of Natixis Advisors, LLC ("Natixis Advisors"), clients of Natixis Advisors and its affiliates may purchase Class Y shares of the Fund below the stated minimums.

Due to operational limitations at your financial intermediary, certain fee based programs, retirement plans, individual retirement accounts and accounts of registered investment advisers may be subject to the investment minimums described above.<br>The Fund's shares are available for purchase and are redeemable on any business day through your investment dealer, directly from the Fund by writing to the Fund at Natixis Funds, P.O. Box 219579, Kansas City, MO 64121-9579, by exchange, by wire, by internet at im.natixis.com (certain restrictions may apply), through the Automated Clearing House system, or, in the case of redemptions, by telephone at 800-225-5478 or by the Systematic Withdrawal Plan.

Tax Information

Fund distributions are generally taxable to you as ordinary income or capital gains, except for distributions to retirement plans and other investors that qualify for tax-advantaged treatment under U.S. federal income tax law generally. Investments through such tax-advantaged plans will generally be taxed only upon withdrawal of monies from the tax-advantaged arrangement.

Payments to Broker-Dealers and Other Financial Intermediaries

If you purchase shares of the Fund through a broker-dealer or other financial intermediary (such as a bank), the Fund and its related companies may pay the intermediary for the sale of the Fund shares and related services. These payments may create a conflict of interest by influencing the broker-dealer or other intermediary and your salesperson to recommend the Fund over another investment. Ask your salesperson or visit your financial intermediary's website for more information.

UGF77-0526