The Advisors’ Inner Circle Fund III

PineBridge Dynamic Asset Allocation Fund

Investor Servicing Shares: PDAVX
Institutional Shares: PDAIX

Prospectus

March 1, 2024

Investment Adviser:

PineBridge Investments LLC

The U.S. Securities and Exchange Commission has not approved or disapproved these
securities or passed upon the adequacy or accuracy of this prospectus.
Any representation to the contrary is a criminal offense.

This prospectus has been arranged into different sections so that you can easily review this important information. For detailed information about the Fund, please see:

PDAVX Investor Servicing Shares

PDAIX Institutional Shares

MSCI ACWI (reflects no deduction for fees, expenses or taxes)

Bloomberg Global Treasury Total Return Index (“Bloomberg Index”) (reflects no deduction for fees, expenses or taxes)

Blended 60/40 MSCI ACWI/Bloomberg Index (reflects no deduction for fees, expenses or taxes)

U.S. Consumer Price Index + 5% (reflects no deduction for fees, expenses or taxes)

Investment Objective

Fund Fees and Expenses

Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)

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Example

Portfolio Turnover

Principal Investment Strategies

Principal Risks

As with all mutual funds, there is no guarantee that the Fund will achieve its investment objective. You could lose money by investing in the Fund. A Fund share is not a bank deposit and is not insured or guaranteed by the Federal Deposit Insurance Corporation (“FDIC”) or any other government agency. The principal risk factors affecting shareholders’ investments in the Fund are set forth below.

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Performance Information

Average Annual Total Returns for Periods Ended December 31, 2023

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Investment Adviser

PineBridge Investments LLC serves as investment adviser to the Fund.

Portfolio Managers

Michael J. Kelly, CFA, Managing Director and the Global Head of Multi-Asset, has managed the Fund since its inception in 2016.

Peter Hu, CFA, FRM, Managing Director for Multi-Asset Products, has managed the Fund since its inception in 2016.

Sunny Ng, CFA, Managing Director and Portfolio Manager for Multi-Asset Products, has managed the Fund since 2019.

Paul Mazzacano, MBA, Managing Director for Multi-Asset Products, has managed the Fund since its inception in 2016.

Austin Strube, CFA, FRM, Senior Vice President and Portfolio Manager for the Global Multi-Asset Team, has managed the Fund since 2022.

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PDAVX Investor Servicing Shares

PDAIX Institutional Shares

MSCI ACWI (reflects no deduction for fees, expenses or taxes)

Bloomberg Global Treasury Total Return Index (“Bloomberg Index”) (reflects no deduction for fees, expenses or taxes)

Blended 60/40 MSCI ACWI/Bloomberg Index (reflects no deduction for fees, expenses or taxes)

U.S. Consumer Price Index + 5% (reflects no deduction for fees, expenses or taxes)

Purchase and Sale of Fund Shares

You may purchase or redeem shares on any day that the New York Stock Exchange (“NYSE”) is open for business.

To purchase shares of the Fund for the first time, you must invest at least $100,000 for Investor Servicing Shares or $1,000,000 for Institutional Shares. There is no minimum for subsequent investments. The Fund may accept investments of smaller amounts in its sole discretion.

If you own your shares directly, you may redeem your shares by contacting the Fund directly by mail at: PineBridge Dynamic Asset Allocation Fund, P.O. Box 588, Portland, ME 04112 (Express Mail Address: PineBridge Dynamic Asset Allocation Fund, c/o Atlantic Shareholder Services, LLC, Three Canal Plaza, Ground Floor, Portland, ME 04101) or telephone at 877-225-4164.

If you own your shares through an account with a broker or other financial intermediary, contact that broker or financial intermediary to redeem your shares. Your broker or financial intermediary may charge a fee for its services in addition to the fees charged by the Fund.

Tax Information

The Fund intends to make distributions that may be taxed as qualified dividend income, ordinary income or capital gains, unless you are investing through a tax-deferred arrangement, such as a 401(k) plan or IRA, in which case your distribution will be taxed when withdrawn from the tax-deferred account.

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, including the Adviser and its affiliates, may pay the intermediary for the sale of 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 web site for more information.

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More Information about the Fund’s Investment Objective and Strategies

The investment objective of the Fund is to seek total return. The investment objective of the Fund is not a fundamental policy and may be changed by the Board without shareholder approval.

The investments and strategies described in this prospectus are those that the Fund uses under normal conditions. During unusual economic or market conditions, or for temporary defensive or liquidity purposes, the Fund may, but is not obligated to, invest up to 100% of its assets in money market instruments and other cash equivalents that would not ordinarily be consistent with its investment objective. If the Fund invests in this manner, it may cause the Fund to forgo greater investment returns for the safety of principal and the Fund may therefore not achieve its investment objective. The Fund will only do so if the Adviser believes that the risk of loss outweighs the opportunity to pursue the Fund’s investment objective.

This prospectus describes the Fund’s principal investment strategies, and the Fund will normally invest in the types of securities and other investments described in this prospectus. In addition to the securities and other investments and strategies described in this prospectus, the Fund also may invest to a lesser extent in other securities, use other strategies and engage in other investment practices that are not part of its principal investment strategies. These investments and strategies, as well as those described in this prospectus, are described in detail in the Fund’s Statement of Additional Information (the “SAI”) (for information on how to obtain a copy of the SAI see the back cover of this prospectus). Of course, there is no guarantee that the Fund will achieve its investment goals.

More Information about Risk

Investing in the Fund involves risk and there is no guarantee that the Fund will achieve its goals. The Adviser’s judgments about the markets, the economy, or companies may not anticipate actual market movements, economic conditions or company performance, and these judgments may affect the return on your investment. In fact, no matter how good of a job the Adviser does, you could lose money on your investment in the Fund, just as you could with other investments.

The value of your investment in the Fund is based on the value of the securities the Fund holds. These prices change daily due to economic and other events that affect particular companies and other issuers. These price movements, sometimes called volatility, may be greater or lesser

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depending on the types of securities the Fund owns and the markets in which they trade. The effect on the Fund of a change in the value of a single security will depend on how widely the Fund diversifies its holdings.

Market Risk – The risk that the market value of an investment may move up and down, sometimes rapidly and unpredictably. The Fund’s NAV per share will fluctuate with the market prices of its portfolio securities. Market risk may affect a single issuer, an industry, a sector or the equity or bond market as a whole. Markets for securities in which the Fund invests may decline significantly in response to adverse issuer, political, regulatory, market, economic or other developments that may cause broad changes in market value, public perceptions concerning these developments, and adverse investor sentiment or publicity. Similarly, the impact of any epidemic, pandemic or natural disaster, or widespread fear that such events may occur, could negatively affect the global economy, as well as the economies of individual countries, the financial performance of individual companies and sectors, and the markets in general in significant and unforeseen ways. Any such impact could adversely affect the prices and liquidity of the securities and other instruments in which the Fund invests, which in turn could negatively impact the Fund’s performance and cause losses on your investment in the Fund. Recent examples include pandemic risks related to COVID-19 and aggressive measures taken worldwide in response by governments, including closing borders, restricting international and domestic travel, and the imposition of prolonged quarantines of large populations, and by businesses, including changes to operations and reducing staff.

Equity Risk — Equity securities include common and preferred stocks, convertible securities, rights and warrants, as well as depositary receipts. Common stock represents an equity or ownership interest in an issuer. Preferred stock provides a fixed dividend that is paid before any dividends are paid to common stockholders, and which takes precedence over common stock in the event of a liquidation. Like common stock, preferred stocks represent partial ownership in a company, although preferred stock shareholders do not enjoy any of the voting rights of common stockholders. Also, unlike common stock, a preferred stock pays a fixed dividend that does not fluctuate, although the company does not have to pay this dividend if it lacks the financial ability to do so. Investments in equity securities in general are subject to market risks that may cause their prices to fluctuate over time. The value of securities convertible into equity securities, such as warrants or convertible debt, is also affected by prevailing interest rates, the credit quality of the issuer and any call provision. Fluctuations in the value of equity securities in which the Fund invests will cause the Fund’s NAV to fluctuate.

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Derivatives Risk – The Fund’s use of futures contracts, forward contracts, options and swaps is subject to derivatives risk. Derivatives are often more volatile than other investments and may magnify the Fund’s gains or losses. There are various factors that affect the Fund’s ability to achieve its objective with derivatives. Successful use of a derivative depends upon the degree to which prices of the underlying assets correlate with price movements in the derivatives the Fund buys or sells. The Fund could be negatively affected if the change in market value of its securities fails to correlate perfectly with the values of the derivatives it purchased or sold. The lack of a liquid secondary market for a derivative may prevent the Fund from closing its derivative positions and could adversely impact its ability to achieve its objective and to realize profits or limit losses. Since derivatives may be purchased for a fraction of their value, a relatively small price movement in a derivative may result in an immediate and substantial loss or gain to the Fund. Derivatives are often more volatile than other investments and the Fund may lose more in a derivative than it originally invested in it. Additionally, some derivative instruments are subject to counterparty risk, meaning that the party that issues the derivative may experience a significant credit event and may be unwilling or unable to make timely settlement payments or otherwise honor its obligations. Additionally, regulation relating to the Fund’s use of derivatives and related instruments, including Rule 18f-4 under the 1940 Act, could potentially limit or impact the Fund’s ability to invest in derivatives, limit the Fund’s ability to employ certain strategies that use derivatives and/or adversely affect the value of derivatives and the Fund’s performance.

Futures Contracts. Futures contracts provide for the future sale by one party and purchase by another party of a specified amount of a specific security or asset at a specified future time and at a specified price. Because futures require only a small initial investment in the form of a deposit or margin, they involve a high degree of leverage. Accordingly, the fluctuation of the value of futures in relation to the underlying assets upon which they are based is magnified. Thus, the Fund may experience losses that exceed losses experienced by funds that do not use futures contracts. There may be imperfect correlation, or even no correlation, between price movements of a futures contract and price movements of investments for which futures are used as a substitute, or which futures are intended to hedge.

Lack of correlation (or tracking) may be due to factors unrelated to the value of the investments being substituted or hedged, such as speculative or other pressures on the markets in which these

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instruments are traded. Consequently, the effectiveness of futures as a security substitute or as a hedging vehicle will depend, in part, on the degree of correlation between price movements in the futures and price movements in underlying securities or assets. While futures contracts are generally liquid instruments, under certain market conditions they may become illiquid. Futures exchanges may impose daily or intra-day price change limits and/or limit the volume of trading.

Additionally, government regulation may further reduce liquidity through similar trading restrictions. As a result, the Fund may be unable to close out its futures contracts at a time that is advantageous. The successful use of futures depends upon a variety of factors, particularly the ability of the Adviser to predict movements of the underlying securities markets, which requires different skills than predicting changes in the prices of individual securities. There can be no assurance that any particular futures strategy adopted will succeed.

Forward Contracts. A forward contract involves a negotiated obligation to purchase or sell a specific security or currency at a future date (with or without delivery required), which may be any fixed number of days from the date of the contract agreed upon by the parties, at a price set at the time of the contract. Forward contracts are not traded on exchanges; rather, a bank or dealer will act as agent or as principal in order to make or take future delivery of a specified lot of a particular security or currency for the Fund’s account. Risks associated with forwards may include: (i) an imperfect correlation between the movement in prices of forward contracts and the securities or currencies underlying them; (ii) an illiquid market for forwards; (iii) difficulty in obtaining an accurate value for the forwards; and (iv) the risk that the counterparty to the forward contract will default or otherwise fail to honor its obligation. Because forwards require only a small initial investment in the form of a deposit or margin, they also involve a high degree of leverage.

Options. Options involve the payment or receipt of a premium by the investor and the corresponding right or obligation, as the case may be, to either purchase or sell the underlying security for a specific price at a certain time or during a certain period. Purchasing options involves the risk that the underlying instrument will not change price in the manner expected, so that the investor loses its premium. Selling options involves potentially greater risk because the investor is exposed to the extent of the actual price movement in the

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underlying security rather than only the premium payment received (which could result in a potentially unlimited loss). Over-the-counter options also involve counterparty solvency risk.

Swaps. In a swap transaction, two parties agree to exchange the returns, differentials in rates of return or some other amount earned or realized on the “notional amount” of predetermined investments or instruments, which may be adjusted for an interest factor. Swaps can involve greater risks than direct investment in securities, because swaps may be leveraged and are subject to counterparty risk and valuation risk. Swaps may also be considered illiquid. It may not be possible for the Fund to liquidate a swap position at an advantageous time or price, which may result in significant losses.

Foreign/Emerging Markets Securities Risk — Investments in securities of foreign companies (including direct investments as well as investments through depositary receipts) can be more volatile than investments in U.S. companies. Diplomatic, political, or economic developments, including nationalization or appropriation, could affect investments in foreign companies. Foreign securities markets generally have less trading volume and less liquidity than U.S. markets. In addition, the value of securities denominated in foreign currencies, and of dividends from such securities, can change significantly when foreign currencies strengthen or weaken relative to the U.S. dollar. Financial statements of foreign issuers are governed by different accounting, auditing, and financial reporting standards than the financial statements of U.S. issuers and may be less transparent and uniform than in the United States. Thus, there may be less information publicly available about foreign issuers than about most U.S. issuers. Transaction costs are generally higher than those in the United States and expenses for custodial arrangements of foreign securities may be somewhat greater than typical expenses for custodial arrangements of similar U.S. securities. Some foreign governments levy withholding taxes against dividend and interest income. Although in some countries a portion of these taxes are recoverable, the non-recovered portion will reduce the income received from the securities comprising the Fund’s portfolio. These risks may be heightened with respect to emerging market countries since political turmoil and rapid changes in economic conditions are more likely to occur in these countries. Additionally, periodic U.S. Government restrictions on investments in issuers from certain foreign countries may result in the Fund having to sell such prohibited securities at inopportune times. Such prohibited securities may have less liquidity as a result of such U.S. Government designation and the market price of such prohibited securities may decline, which may cause the Fund to incur losses.

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Stock Connect Investing Risk — Trading through Stock Connect is subject to a number of restrictions that may affect the Fund’s investments and returns, including a daily quota that limits the maximum net purchases under Stock Connect each day. In addition, investments made through Stock Connect are subject to relatively untested trading, clearance and settlement procedures. Moreover, A-Shares purchased through Stock Connect generally may only be sold or otherwise transferred through Stock Connect. The Fund’s investments in A-Shares purchased through Stock Connect are generally subject to Chinese securities regulations and listing rules. While overseas investors currently are exempt from paying capital gains or value added taxes on income and gains from investments in A-Shares purchased through Stock Connect, these tax rules could be changed, which could result in unexpected tax liabilities for the Fund. Stock Connect operates only on days when both the China and Hong Kong markets are open for trading and when banks in both markets are open on the corresponding settlement days. Therefore, the Fund may be subject to the risk of price fluctuations of A-Shares during the time when Stock Connect is not trading. Because of the way in which A-Shares are held in Stock Connect, the Fund may not be able to exercise the rights of a shareholder and may be limited in its ability to pursue claims against the issuer of a security, and may suffer losses in the event the depository of the Shanghai Stock Exchange or Shenzhen Stock Exchange becomes insolvent. Stock Connect is a relatively new program. Further developments are likely and there can be no assurance as to the program’s continued existence or whether future developments regarding the program may restrict or adversely affect the Fund’s investments or returns. In addition, the application and interpretation of the laws and regulations of Hong Kong and China, and the rules, policies or guidelines published or applied by relevant regulators and exchanges in respect of Stock Connect are uncertain, and they may have a detrimental effect on the Fund’s investments and returns.

Bond Connect Investing Risk — Trading through Bond Connect is subject to a number of restrictions that may affect the Fund’s investments and returns. Investments made through Bond Connect are subject to order, clearance and settlement procedures that are relatively untested in China, which could pose risks to the Fund. Furthermore, securities purchased via Bond Connect will be held via a book entry omnibus account in the name of the Hong Kong Monetary Authority Central Money Markets Unit (“CMU”) maintained with a China-based custodian (either the China Central Depository & Clearing Co. (“CDCC”) or the Shanghai Clearing House (“SCH”)). The Fund’s ownership interest in Bond Connect securities will not be reflected directly in book entry with CDCC or SCH and will instead only be reflected on the books of its Hong Kong sub-custodian.

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Therefore, the Fund’s ability to enforce rights as a bondholder may depend on CMU’s ability or willingness as record-holder of Bond Connect securities to enforce the Fund’s rights as a bondholder. Additionally, the omnibus manner in which the securities are held could expose the Fund to the risk of its Hong Kong sub-custodian. While the ultimate investors hold a beneficial interest in Bond Connect securities, the mechanisms that beneficial owners may use to enforce their rights are untested. In addition, courts in China have limited experience in applying the concept of beneficial ownership. Moreover, securities purchased through Bond Connect generally may not be sold, purchased or otherwise transferred other than through Bond Connect in accordance with applicable rules.

A primary feature of Bond Connect is the application of the home market’s laws and rules applicable to investors in Chinese fixed-income instruments. Therefore, the Fund’s investments via Bond Connect are generally subject to Chinese securities regulations and listing rules, among other restrictions. The Fund will not benefit from access to Hong Kong investor compensation funds, which are set up to protect against defaults of trades, when investing through Bond Connect. Finally, uncertainties in China tax rules governing taxation of income and gains from investments via Bond Connect could result in unexpected tax liabilities for the Fund.

Bond Connect is a relatively new program and may be subject to further interpretation and guidance. There can be no assurance as to Bond Connect’s continued existence or whether future developments regarding Bond Connect may restrict or adversely affect the Fund’s investments or returns. In addition, the application and interpretation of the laws and regulations of Hong Kong and China, and the rules, policies or guidelines published or applied by relevant regulators and exchanges in respect of Bond Connect are uncertain, and they may have a detrimental effect on the Fund’s investments and returns.

REITs Risk — REITs are pooled investment vehicles that own, and usually operate, income-producing real estate. REITs are susceptible to the risks associated with direct ownership of real estate, such as the following: declines in property values; increases in property taxes, operating expenses, interest rates or competition; overbuilding; zoning changes; and losses from casualty or condemnation. REITs typically incur fees that are separate from those of the Fund. Accordingly, the Fund’s investments in REITs will result in the layering of expenses such that shareholders will indirectly bear a proportionate share of the REITs’ operating expenses, in addition to paying Fund expenses. REIT operating expenses are not reflected in the fee table and example in this prospectus.

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Some REITs may have limited diversification and may be subject to risks inherent in financing a limited number of properties. REITs depend generally on their ability to generate cash flow to make distributions, and may be subject to defaults by borrowers and to self-liquidations. In addition, a U.S. REIT may be affected by its failure to qualify for tax-free pass-through of income under the Internal Revenue Code of 1986, as amended (the “Code”) or its failure to maintain exemption from registration under the 1940 Act.

Short Sales Risk — Short sales are transactions in which the Fund sells a security it does not own. The Fund must borrow the security to make delivery to the buyer. The Fund is then obligated to replace the security borrowed by purchasing the security at the market price at the time of replacement. The price at such time may be higher or lower than the price at which the security was sold by the Fund. If the underlying security goes down in price between the time the Fund sells the security and buys it back, the Fund will realize a gain on the transaction. Conversely, if the underlying security goes up in price during the period, the Fund will realize a loss on the transaction. Because the market price of the security sold short could increase without limit, the Fund could be subject to a theoretically unlimited loss. The risk of such price increases is the principal risk of engaging in short sales.

In addition, the Fund’s investment performance may suffer if the Fund is required to close out a short position earlier than it had intended. This would occur if the securities lender required the Fund to deliver the securities the Fund borrowed and the Fund was unable to borrow the securities from another securities lender or otherwise obtain the security by other means. Moreover, the Fund may be subject to expenses related to short sales that are not typically associated with investing in securities directly, such as costs of borrowing and margin account maintenance costs associated with the Fund’s open short positions. These expenses negatively impact the performance of the Fund. For example, when the Fund short sells an equity security that pays a dividend, it is obligated to pay the dividend on the security it has sold. Furthermore, the Fund may be required to pay a premium or interest to the lender of the security. The foregoing types of short sale expenses are sometimes referred to as the “negative cost of carry,” and will tend to cause the Fund to lose money on a short sale even in instances where the price of the underlying security sold short does not change over the duration of the short sale.

Fixed Income Market Risk – The prices of the Fund’s fixed income securities respond to economic developments, particularly interest rate changes, as well as to perceptions about the creditworthiness of individual issuers, including governments and their agencies. Generally, the value of the

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Fund’s fixed income securities will vary inversely with the direction of prevailing interest rates. Fixed income securities may have fixed-, variable- or floating-rates. There is a risk that the current interest rate on floating and variable rate instruments may not accurately reflect existing market interest rates. Also, longer-term securities are generally more sensitive to changes in the level of interest rates, so the average maturity or duration of these securities affects risk. Changes in government policy, including the Federal Reserve’s decisions with respect to raising interest rates or terminating certain programs such as quantitative easing, could increase the risk that interest rates will continue to rise. Rising interest rates may also increase volatility and reduce liquidity in the fixed income markets, and result in a decline in the value of the fixed income investments held by the Fund. In addition, reductions in dealer market-making capacity as a result of structural or regulatory changes could further decrease liquidity and/or increase volatility in the fixed income markets. In the case of foreign securities, price fluctuations will reflect international economic and political events, as well as changes in currency valuations relative to the U.S. dollar. As a result of these market conditions, the Fund’s value may fluctuate and/or the Fund may experience increased redemptions from shareholders, which may impact the Fund’s liquidity or force the Fund to sell securities into a declining or illiquid market.

Bank Loans Risk — Bank loans are arranged through private negotiations between a company and one or more financial institutions (lenders). Investments in bank loans are generally subject to the same risks as investments in other types of debt instruments, including, in many cases, investments in junk bonds. This means bank loans are subject to greater credit risks than other investments, including a greater possibility that the borrower will be adversely affected by changes in market or economic conditions and may default or enter bankruptcy. Bank loans made in connection with highly leveraged transactions, including operating loans, leveraged buyout loans, leveraged capitalization loans and other types of acquisition financing, are subject to greater credit risks than other types of bank loans. In addition, it may be difficult to obtain reliable information about and value any bank loan.

The Fund may invest in bank loans in the form of participations in the loans (participations) and assignments of all or a portion of the loans from third parties (assignments). In connection with purchasing participations, the Fund generally will have no right to enforce compliance by the borrower with the terms of the loan agreement relating to the loan, nor any rights of set-off against the borrower, and the Fund may not benefit directly from any collateral supporting the loan in which it has purchased the participation. As a result, the Fund will assume the credit risk of both the

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borrower and the lender that is selling the participation. When the Fund purchases assignments from lenders, the Fund will acquire direct rights against the borrower on the loan. The Fund may have difficulty disposing of bank loans because, in certain cases, the market for such instruments is not highly liquid. The lack of a highly liquid secondary market may have an adverse impact on the value of such instruments and on the Fund’s ability to dispose of the bank loan in response to a specific economic event, such as deterioration in the creditworthiness of the borrower. Furthermore, transactions in many loans settle on a delayed basis, and the Fund may not receive the proceeds from the sale of a loan for a substantial period of time after the sale. As a result, those proceeds will not be available to make additional investments or to meet the Fund’s redemption obligations.

Bank loans may not be considered “securities,” and purchasers, such as the Fund, therefore may not be entitled to rely on the anti-fraud protections of the federal securities laws.

High Yield Bond Risk — High yield, or “junk,” bonds are highly speculative securities that are usually issued by smaller, less creditworthy and/or highly leveraged (indebted) companies. Compared with investment-grade bonds, high yield bonds are considered to carry a greater degree of risk and are considered to be less likely to make payments of interest and principal. In particular, lower-quality high yield bonds (rated CCC, CC, C, or unrated securities judged to be of comparable quality) are subject to a greater degree of credit risk than higher-quality high yield bonds and may be near default. High yield bonds rated D are in default. Market developments and the financial and business conditions of the issuers of these securities generally influence their price and liquidity more than changes in interest rates, when compared to investment-grade debt securities.

Corporate Fixed Income Securities Risk – Corporate fixed income securities are fixed income securities issued by public and private businesses. Corporate fixed income securities respond to economic developments, especially changes in interest rates, as well as perceptions of the creditworthiness and business prospects of individual issuers. Corporate fixed income securities are subject to the risk that the issuer may not be able to pay interest or, ultimately, to repay principal upon maturity. Interruptions or delays of these payments could adversely affect the market value of the security. In addition, due to lack of uniformly available information about issuers or differences in the issuers’ sensitivity to changing economic conditions, it may be difficult to measure the credit risk of corporate securities.

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Mortgage-Backed and Asset-Backed Securities Risk — Mortgage-backed securities are fixed income securities representing an interest in a pool of underlying mortgage loans. Mortgage-backed securities are sensitive to changes in interest rates, but may respond to these changes differently from other fixed income securities due to the possibility of prepayment of the underlying mortgage loans. As a result, it may not be possible to determine in advance the actual maturity date or average life of a mortgage-backed security. Rising interest rates tend to discourage re-financings, with the result that the average life and volatility of the security will increase, exacerbating its decrease in market price. When interest rates fall, however, mortgage-backed securities may not gain as much in market value because of the expectation of additional mortgage prepayments, which must be reinvested at lower interest rates.

Asset-backed securities are securities backed by non-mortgage assets such as company receivables, truck and auto loans, leases and credit card receivables. Asset-backed securities may be issued as pass-through certificates, which represent undivided fractional ownership interests in the underlying pools of assets. Therefore, repayment depends largely on the cash flows generated by the assets backing the securities. Asset-backed securities entail prepayment risk, which may vary depending on the type of asset, but is generally less than the prepayment risk associated with mortgage-backed securities. Asset-backed securities present credit risks that are not presented by mortgage-backed securities because asset-backed securities generally do not have the benefit of a security interest in collateral that is comparable in quality to mortgage assets. If the issuer of an asset-backed security defaults on its payment obligations, there is the possibility that, in some cases, the Fund will be unable to possess and sell the underlying collateral and that the Fund’s recoveries on repossessed collateral may not be available to support payments on the security. In the event of a default, the Fund may suffer a loss if it cannot sell collateral quickly and receive the amount it is owed.

Portfolio Turnover Risk — The Fund is subject to portfolio turnover risk since it may buy and sell investments frequently. Such a strategy often involves higher expenses, including brokerage commissions, and may increase the amount of capital gains (in particular, short term gains) realized by the Fund. Shareholders may pay tax on such capital gains.

LIBOR Replacement Risk — The Fund may be exposed to financial instruments that recently transitioned from, or continue to be tied to, the London Interbank Offered Rate (“LIBOR”) to determine payment obligations, financing terms, hedging strategies or investment value. The United Kingdom’s Financial Conduct Authority (“FCA”), which regulates LIBOR, has ceased publishing all LIBOR settings on a representative

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basis. In April 2023, however, the FCA announced that some USD LIBOR settings will continue to be published under a synthetic methodology until September 30, 2024 for certain legacy contracts. The Secured Overnight Financing Rate (“SOFR”), which is a broad measure of the cost of borrowing cash overnight collateralized by U.S. Treasury securities in the repurchase agreement market, has been used increasingly on a voluntary basis in new instruments and transactions. While some existing LIBOR-based instruments may contemplate a scenario where LIBOR is no longer available by providing for an alternative rate-setting methodology, there may be significant uncertainty regarding the effectiveness of any such alternative methodologies to replicate LIBOR. Parties to contracts, securities, or other instruments using LIBOR may disagree on transition rates or the application of transition regulation, potentially resulting in uncertainty of performance and the possibility of litigation. The utilization of an alternative reference rate, or the transition process to an alternative reference rate, may adversely affect the Fund’s performance. It remains uncertain how such changes would be implemented and the effects such changes would have on the Fund, including any negative effects on the Fund’s liquidity and valuation of the Fund’s investments, issuers of instruments in which the Fund invests and financial markets generally.

Repurchase and Reverse Repurchase Agreements Risk — When entering into a repurchase agreement, the Fund essentially makes a short-term loan to a qualified bank or broker-dealer. The Fund buys securities that the seller has agreed to buy back at a specified time and at a set price that includes interest. There is a risk that the seller will be unable to buy back the securities at the time required and the Fund could experience delays in recovering amounts owed to it. Reverse repurchase agreements involve the sale of securities held by the Fund with an agreement to repurchase the securities at an agreed-upon price, date and interest payment. Reverse repurchase agreements involve the risk that the other party may fail to return the securities in a timely manner or at all. The Fund could lose money if it is unable to recover the securities and the value of the collateral held by the Fund, including the value of the investments made with cash collateral, is less than the value of the securities. These events could also trigger adverse tax consequences to the Fund. Furthermore, reverse repurchase agreements involve the risks that (i) the interest income earned in the investment of the proceeds will be less than the interest expense, (ii) the market value of the securities retained in lieu of sale by the Fund may decline below the price of the securities the Fund has sold but is obligated to repurchase, and (iii) the market value of the securities sold will decline below the price at which the Fund is required to repurchase them. In addition, the use of reverse repurchase agreements may be regarded as leveraging.

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Securities Lending Risk — Engaging in securities lending could increase the Fund’s market and credit risk. The Fund may lose money if it does not recover borrowed securities, the value of the collateral falls, or the value of investments made with cash collateral declines. If the value of either the cash collateral or the Fund’s investments of the cash collateral falls below the amount owed to a borrower, the Fund also may incur losses that exceed the amount it earned on lending the security. These events could also trigger adverse tax consequences to the Fund. Securities lending also involves the risks of delay in receiving additional collateral or possible loss of rights in the collateral if the borrower fails. Another risk of securities lending is the risk that the loaned portfolio securities may not be available to the Fund on a timely basis and the Fund may therefore lose the opportunity to sell the securities at a desirable price.

Information about Portfolio Holdings

A description of the Fund’s policies and procedures with respect to the circumstances under which the Fund discloses its portfolio holdings is available in the SAI. In addition, the Fund discloses its top 10 portfolio holdings within five days after the end of each month, and its complete portfolio holdings within thirty days after the end of each month, on the internet at www.pinebridge.com. The Adviser may exclude any portion of the Fund’s portfolio holdings from such publication when deemed in the best interest of the Fund. The portfolio holdings information placed on the Fund’s website generally will remain there until such information is included in a filing with the SEC.

Investment Adviser

PineBridge Investments LLC (the “Adviser” or “PineBridge”), a Delaware limited liability company, serves as the investment adviser to the Fund. The Adviser is located at Park Avenue Tower, 65 East 55th Street, New York, New York 10022. Formed in 1996, the Adviser was formerly known as AIG Global Investment Corporation. The Adviser is currently an indirect subsidiary of PineBridge Investments, L.P., a company owned by Pacific Century Group (“PCG”), an Asia-based private investment group. PCG is majority owned by Mr. Richard Li Tzar Kai. As of December 31, 2023, the Adviser had approximately $157 billion in assets under management.

The Adviser makes investment decisions for the Fund and continuously reviews, supervises and administers the Fund’s investment program. The Board oversees the Adviser and establishes policies that the Adviser must follow in its management activities.

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For its services to the Fund, the Adviser is entitled to a fee, which is calculated daily and paid monthly, at an annual rate of 0.75% of the average daily net assets of the Fund.

The Adviser has contractually agreed to waive its fees and/or to reimburse expenses to the extent necessary to keep total annual Fund operating expenses (excluding interest, taxes, brokerage commissions and other costs and expenses relating to the securities that are purchased and sold by the Fund, dividend and interest expenses on securities sold short, shareholder servicing fees, acquired fund fees and expenses, other expenditures which are capitalized in accordance with generally accepted accounting principles, and non-routine expenses (collectively, “excluded expenses”)) from exceeding 0.75% of the average daily net assets of the Fund’s Institutional Shares and Investor Servicing Shares until April 30, 2025. The Adviser may receive from the Fund the difference between the total annual Fund operating expenses (not including excluded expenses) and the contractual expense limit to recoup all or a portion of its prior fee waivers or expense reimbursements made during the rolling three-year period preceding the recoupment if at any point total annual Fund operating expenses (not including excluded expenses) are below the contractual expense limit (i) at the time of the fee waiver and/or expense reimbursement and (ii) at the time of the recoupment. This agreement may be terminated: (i) by the Board, for any reason at any time; or (ii) by the Adviser, upon ninety (90) days’ prior written notice to the Trust, effective as of the close of business on April 30, 2025.

For the fiscal year ended October 31, 2023, the Fund paid 0.52% of its average daily net assets (after fee reductions) in advisory fees to the Adviser.

A discussion regarding the basis for the Board’s approval of the Fund’s investment advisory agreement is available in the Fund’s Annual Report to Shareholders dated October 31, 2023, which covers the period from November 1, 2022 to October 31, 2023.

Portfolio Managers

The Fund is managed by a team of investment professionals each of whom is jointly and primarily responsible for the day to day management of the Fund.

Michael J. Kelly, CFA, is Managing Director and the Global Head of Multi-Asset at the Adviser. Mr. Kelly joined the Adviser in 1999 and is responsible for asset allocation and manager selection. This includes expanding the capabilities for institutional pension fund advisory and retail oriented asset

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allocation vehicles throughout the Adviser with respect to the approaches to both asset allocation and manager selection. The Global Multi-Asset Team manages lifestyle and asset allocation strategies, and has developed and manages principal protected strategies and global tactical asset allocation. The team has provided strategic advice for corporate, trade group, and government pension plans and has differentiated approaches to Liability Driven Investment and Total Retirement Outsourcing. Mr. Kelly serves as a rotating member of the Executive Committee, is a member of the Senior Management Committee, and chairs the Adviser’s Proxy Committee. Prior to joining the Adviser, he spent 15 years with JP Morgan Investment Management in various research and portfolio management roles. Prior to JP Morgan, Mr. Kelly spent several years in research at the economic consulting firm, Townsend-Greenspan & Co. His investment experience began in 1980. Mr. Kelly received an MBA from the Wharton Graduate School of Business and is a CFA charterholder.

Peter Hu, CFA, FRM, is Managing Director for Multi-Asset Products at the Adviser. Mr. Hu joined the Adviser in 2006 as an Analyst within the Quantitative Portfolio Management Group and moved to the Global Multi-Asset Team in 2009. Mr. Hu is the Portfolio Manager of the Multi-Asset Strategy and is also responsible for developing investment and risk management tools for products managed by the Global Multi-Asset Team. Mr. Hu also co-chairs the Global Derivatives Committee, which seeks to ensure adequate risk management associated with derivatives investments in the Adviser. Prior to joining the Adviser, Mr. Hu worked as a Derivative Pricing Analyst at International Funds Services where he was responsible for the derivative pricing process and developed pricing tools for various derivative instruments. Mr. Hu received a Masters of Engineering in Financial Engineering from Cornell University and a Masters of Operations Research and Bachelor of Technology in Industrial Mathematics from the University of Auckland, New Zealand. Mr. Hu is a CFA charterholder and a Certified FRM holder.

Sunny Ng, CFA, is Managing Director and Portfolio Manager for Multi-Asset Products at the Adviser. Prior to joining the Adviser in 2016, Mr. Ng was a Managing Director and Head of Asia ex Japan Portfolio Strategists at State Street Global Advisors (“SSGA”), where he was responsible for leading the regional team representing SSGA investment views and strategies to clients across Asia. Prior to joining SSGA in 2013, Mr. Ng was Research Director for Morningstar Asia, where he was responsible for overseeing and building out the firm’s funds research platform in Hong Kong, Singapore, and Taiwan. Prior to that, Mr. Ng held positions at AllianceBernstein and Pavilion Advisory Group, where he founded the

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quantitative strategies group. Mr. Ng holds a Bachelor of Commerce and Masters in Business Administration from Concordia University in Montreal. He also is a CFA charterholder.

Paul Mazzacano, MBA, is Managing Director for Multi-Asset Products at the Adviser. Mr. Mazzacano joined the Adviser in 2001 as a Product Manager in the Global Product Management and Development team. He assumed the role of Head of Product Management in 2006, and then in 2007 Head of Investment Manager Research. He is responsible for the global coordination of the Adviser’s manager selection and monitoring activities. Mr. Mazzacano’s prior experience includes seven years at Diversified Investment Advisors, where he was responsible for selecting and monitoring sub-advisory relationships with institutional investment management firms. Before that, he gained investment experience at Oppenheimer & Company. Mr. Mazzacano received a BS in Mathematics with Applied Options from Fordham University and an MBA from Hagan School of Business, Iona College. He holds Series 7 and Series 63 Securities licenses.

Austin Strube, CFA, FRM, is Senior Vice President and Portfolio Manager for the Global Multi-Asset Team at the Adviser. Mr. Strube joined the Adviser in 2013 and is responsible for daily monitoring and analytics on client portfolios, as well as assisting portfolio implementation and reporting efforts. Prior to his current role, he was an Analyst on PineBridge’s investment performance team after joining the firm in 2012. Mr. Strube holds a Bachelor of Science in business administration with a concentration in finance and minors in economics and accounting from Fordham University. He also is a CFA charterholder and is a certified FRM.

The SAI provides additional information about the portfolio managers’ compensation, other accounts managed, and ownership of Fund shares.

Purchasing and Selling Fund Shares

This section tells you how to purchase and sell (sometimes called “redeem”) Investor Servicing Shares and Institutional Shares of the Fund.

For information regarding the federal income tax consequences of transactions in shares of the Fund, including information about cost basis reporting, see “Taxes.”

How to Choose a Share Class

The Fund offers two classes of shares to investors, Investor Servicing Shares and Institutional Shares. Each share class has its own investment minimums, cost structure and other features. The following summarizes

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the primary features of Investor Servicing Shares and Institutional Shares. Contact your financial intermediary or the Fund for more information about the Fund’s share classes and how to choose between them.

Investor Servicing Shares and Institutional Shares are offered to investors who purchase shares directly from the Fund or through certain financial intermediaries such as financial planners, investment advisors, broker-dealers or other financial institutions. An investor may be eligible to purchase more than one share class. However, if you purchase shares through a financial intermediary, you may only purchase that class of shares which your financial intermediary sells or services. Your financial intermediary can tell you which class of shares is available through the intermediary.

The Fund reserves the right to accept investments of smaller amounts in its sole discretion.

How to Purchase Fund Shares

To purchase shares directly from the Fund through its transfer agent, complete and send in the application. If you need an application or have questions, please call 877-225-4164.

If you purchase shares directly from the Fund, you will receive a confirmation of each transaction and monthly statements detailing Fund balances and all transactions completed during the prior month. Automatic reinvestments of distributions and systematic investments and withdrawals may be confirmed only by monthly statement. You should verify the accuracy of all transactions in your account as soon as you receive your confirmations and monthly statements.

All investments must be made by check, wire or Automated Clearing House (“ACH”). All checks must be made payable in U.S. dollars and drawn on U.S. financial institutions. The Fund does not accept purchases made by third-party checks, credit cards, credit card checks, cash, traveler’s checks, money orders or cashier’s checks.

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The Fund reserves the right to reject any specific purchase order for any reason. The Fund is not intended for short-term trading by shareholders in response to short-term market fluctuations. For more information about the Fund’s policy on short-term trading, see “Excessive Trading Policies and Procedures.”

The Fund does not generally accept investments by non-U.S. persons. Non-U.S. persons may be permitted to invest in the Fund subject to the satisfaction of enhanced due diligence. Please contact the Fund for more information.

By Mail

You can open an account with the Fund by sending a check and your account application to the address below. You can add to an existing account by sending the Fund a check and, if possible, the “Invest by Mail” stub that accompanies your transaction confirmation. Be sure your check identifies clearly your name, your account number and the Fund name. Make your check payable to “PineBridge Dynamic Asset Allocation Fund.”

Regular Mail Address

PineBridge Dynamic Asset Allocation Fund
P.O. Box 588
Portland, ME 04112

Express Mail Address

PineBridge Dynamic Asset Allocation Fund
c/o Atlantic Shareholder Services, LLC
Three Canal Plaza, Ground Floor
Portland, ME, 04101

The Fund does not consider the U.S. Postal Service or other independent delivery services to be its agents. Therefore, deposit in the mail or with such services of purchase orders does not constitute receipt by the Fund’s transfer agent. The share price used to fill the purchase order is the next price calculated by the Fund after the Fund’s transfer agent receives and accepts the order in good order at its office, not at the P.O. Box provided for regular mail delivery.

By Wire

To open an account by wire, call 877-225-4164 for details. To add to an existing account by wire, wire your money using the wiring instructions set forth below (be sure to include the Fund name and your account number). The share price used to fill the purchase order is the next price calculated by the Fund after the Fund’s transfer agent receives and accepts the wire in good order.

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Wiring Instructions

UMB Bank NA
Kansas City, MO
ABA # 101000695

For Credit To:

Atlantic Shareholder Services FBO The Advisors’ Inner Circle Fund III
Acct # 9872572734
PineBridge Dynamic Asset Allocation Fund
(Your Account Number with the Fund)

By Systematic Investment Plan (via ACH) (Investor Servicing Shares Only)

You may not open an account via ACH. However, once you have established a direct account with the Fund, you can set up an automatic investment plan via ACH by mailing a completed application to the Fund. These purchases can be made monthly, quarterly, semi-annually or annually in amounts of at least $1,000. To cancel or change a plan, write to the Fund at: PineBridge Dynamic Asset Allocation Fund, P.O. Box 588, Portland, ME 04112 (Express Mail Address: PineBridge Dynamic Asset Allocation Fund, c/o Atlantic Shareholder Services, LLC, Three Canal Plaza, Ground Floor, Portland ME 04101). Please allow up to 15 days to create the plan and 3 days to cancel or change it.

Purchases In-Kind

Subject to the approval of the Fund, an investor may purchase shares of the Fund with liquid securities and other assets that are eligible for purchase by the Fund (consistent with the Fund’s investment policies and restrictions) and that have a value that is readily ascertainable in accordance with the valuation procedures used by the Fund. These transactions will be effected only if the Adviser deems the security to be an appropriate investment for the Fund. Assets purchased by the Fund in such transactions will be valued in accordance with the valuation procedures used by the Fund. The Fund reserves the right to amend or terminate this practice at any time.

Minimum Purchases

You can open an account with the Fund with a minimum initial investment of $100,000 for Investor Servicing Shares or $1,000,000 for Institutional Shares. There is no minimum for subsequent investments. The Fund may accept investments of smaller amounts in its sole discretion.

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Fund Codes

The Fund’s reference information, which is listed below, will be helpful to you when you contact the Fund to purchase shares, check daily NAV, or obtain additional information.

General Information

You may purchase shares on any day that the NYSE is open for business (a “Business Day”). Shares cannot be purchased by Federal Reserve wire on days that either the NYSE or the Federal Reserve is closed.

The Fund’s price per share will be the NAV per share next determined after the Fund or an authorized institution (defined below) receives and accepts your purchase order in good order. “Good order” means that the Fund was provided with a complete and signed account application, including the investor’s social security number or tax identification number, and other identification required by law or regulation, as well as sufficient purchase proceeds. Purchase orders that are not in good order cannot be accepted and processed even if money to purchase shares has been submitted by wire, check or ACH.

The Fund calculates its NAV once each Business Day as of the close of normal trading on the NYSE (normally, 4:00 p.m., Eastern Time). To receive the current Business Day’s NAV, the Fund or an authorized institution must receive and accept your purchase order in good order before the close of normal trading on the NYSE. If your purchase order is not received and accepted in good order before the close of normal trading on the NYSE, you will receive the NAV calculated on the subsequent Business Day on which your order is received and accepted in good order. If the NYSE closes early, as in the case of scheduled half-day trading or unscheduled suspensions of trading, the Fund reserves the right to calculate NAV as of the earlier closing time. The Fund will not accept orders that request a particular day or price for the transaction or any other special conditions. Shares will only be priced on Business Days. Since securities that are traded on foreign exchanges may trade on days that are not Business Days, the value of the Fund’s assets may change on days when you are unable to purchase or redeem shares.

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Buying or Selling Shares through a Financial Intermediary

In addition to being able to buy and sell Fund shares directly from the Fund through its transfer agent, you may also buy or sell shares of the Fund through accounts with financial intermediaries, such as brokers and other institutions that are authorized to place trades in Fund shares for their customers. When you purchase or sell Fund shares through a financial intermediary (rather than directly from the Fund), you may have to transmit your purchase and sale requests to the financial intermediary at an earlier time for your transaction to become effective that day. This allows the financial intermediary time to process your requests and transmit them to the Fund prior to the time the Fund calculates its NAV that day. Your financial intermediary is responsible for transmitting all purchase and redemption requests, investment information, documentation and money to the Fund on time. If your financial intermediary fails to do so, it may be responsible for any resulting fees or losses. Unless your financial intermediary is an authorized institution, orders transmitted by the financial intermediary and received by the Fund after the time NAV is calculated for a particular day will receive the following day’s NAV.

Certain financial intermediaries, including certain broker-dealers and shareholder organizations, are authorized to act as agent on behalf of the Fund with respect to the receipt of purchase and redemption orders for Fund shares (“authorized institutions”). Authorized institutions are also authorized to designate other intermediaries to receive purchase and redemption orders on the Fund’s behalf. The Fund will be deemed to have received a purchase or redemption order when an authorized institution or, if applicable, an authorized institution’s designee, receives the order. Orders will be priced at the Fund’s NAV next computed after they are received by an authorized institution or an authorized institution’s designee. To determine whether your financial intermediary is an authorized institution or an authorized institution’s designee such that it may act as agent on behalf of the Fund with respect to purchase and redemption orders for Fund shares, you should contact your financial intermediary directly.

If you deal directly with a financial intermediary, you will have to follow its procedures for transacting with the Fund. Your financial intermediary may charge a fee for your purchase and/or redemption transactions. For more information about how to purchase or sell Fund shares through a financial intermediary, you should contact your financial intermediary directly.

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How the Fund Calculates NAV

The NAV of a class of the Fund’s shares is determined by dividing the total value of the Fund’s portfolio investments and other assets attributable to the class, less any liabilities attributable to the class, by the total number of shares outstanding of the class.

In calculating NAV, the Fund generally values its investment portfolio at market price. If market prices are not readily available or they are unreliable, such as in the case of a security value that has been materially affected by events occurring after the relevant market closes, securities are valued at fair value. The Board has designated the Adviser as the Fund’s valuation designee to make all fair value determinations with respect to the Fund’s portfolio investments, subject to the Board’s oversight. The Adviser has adopted and implemented policies and procedures to be followed when making fair value determinations, and it has established a Valuation Committee through which the Adviser makes fair value determinations. The Adviser’s determination of a security’s fair value price often involves the consideration of a number of subjective factors, and is therefore subject to the unavoidable risk that the value that is assigned to a security may be higher or lower than the security’s value would be if a reliable market quotation for the security was readily available. The respective prospectuses for the open-end investment companies in which the Fund invests explain the circumstances in which those investment companies will use fair value pricing and the effect of fair value pricing.

There may be limited circumstances in which the Fund would price securities at fair value for stocks of U.S. companies that are traded on U.S. exchanges – for example, if the exchange on which a portfolio security is principally traded closed early or if trading in a particular security was halted during the day and did not resume prior to the time the Fund calculated its NAV.

With respect to non-U.S. securities held by the Fund, the Adviser may take factors influencing specific markets or issuers into consideration in determining the fair value of a non-U.S. security. Foreign securities markets may be open on days when the U.S. markets are closed. In such cases, the value of any foreign securities owned by the Fund may be significantly affected on days when investors cannot buy or sell shares. In addition, due to the difference in times between the close of the foreign markets and the time as of which the Fund prices its shares, the value the Adviser assigns to securities may not be the same as the quoted or published prices of those securities on their primary markets or exchanges. In determining fair value prices, the Adviser may consider the

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performance of securities on their primary exchanges, foreign currency appreciation/depreciation, securities market movements in the United States, or other relevant information related to the securities.

When valuing fixed-income securities with remaining maturities of more than 60 days, the Fund uses the value of the security provided by pricing services. The values provided by a pricing service may be based upon market quotations for the same security, securities expected to trade in a similar manner or a pricing matrix. When valuing fixed-income securities with remaining maturities of 60 days or less, the Fund may use the security’s amortized cost. Amortized cost and the use of a pricing matrix in valuing fixed-income securities are forms of fair value pricing.

Redeemable securities issued by open-end investment companies are valued at the investment company’s applicable NAV.

Other assets for which market quotations are not readily available will be valued at their fair value as determined in good faith by the Adviser, subject to Board oversight.

How to Sell Your Fund Shares

If you own your shares directly, you may sell your shares on any Business Day by contacting the Fund directly by mail or telephone at 877-225-4164.

If you own your shares through an account with a broker or other institution, contact that broker or institution to sell your shares. Your broker or institution may charge a fee for its services in addition to the fees charged by the Fund.

If you would like to have your redemption proceeds, including proceeds generated as a result of closing your account, sent to a third party or an address other than your own, please notify the Fund in writing.

To protect you and the Fund against fraud, signatures on certain requests must have a Medallion Signature Guarantee. A Medallion Signature Guarantee verifies the authenticity of your signature. You may obtain a Medallion Signature Guarantee from most banking institutions or securities brokers but not from a notary public. Written instructions signed by all registered shareholders with a Medallion Signature Guarantee for each shareholder are required for any of the following:

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The transfer agent reserves the right to require Medallion Signature Guarantees on all redemptions.

Accounts held by a corporation, trust, fiduciary or partnership, may require additional documentation along with a signature guaranteed letter of instruction. The Fund participates in the Paperless Legal Program (the “Program”), which eliminates the need for accompanying paper documentation on legal securities transfers. Requests received with a Medallion Signature Guarantee will be reviewed for the proper criteria to meet the guidelines of the Program and may not require additional documentation. Please contact Shareholder Services at 877-225-4164 for more information.

The sale price of each share will be the NAV next determined after the Fund (or an authorized institution) receives and accepts your request in good order.

By Mail

To redeem shares by mail, please send a letter to the Fund signed by all registered parties on the account specifying:

All registered shareholders must sign the letter in the exact name(s) and must designate any special capacity in which they are registered.

Regular Mail Address

PineBridge Dynamic Asset Allocation Fund
P.O. Box 588
Portland, ME 04112

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Express Mail Address

PineBridge Dynamic Asset Allocation Fund
c/o Atlantic Shareholder Services, LLC
Three Canal Plaza, Ground Floor
Portland, ME, 04101

The Fund does not consider the U.S. Postal Service or other independent delivery services to be its agents. Therefore, deposit in the mail or with such services of sell orders does not constitute receipt by the Fund’s transfer agent. The share price used to fill the sell order is the next price calculated by the Fund after the Fund’s transfer agent receives and accepts the order in good order at its office, not at the P.O. Box provided for regular mail delivery.

By Telephone

To redeem shares by telephone, you must first establish the telephone redemption privilege (and, if desired, the wire and/or ACH redemption privilege) by completing the appropriate sections of the account application. Call 877-225-4164 to redeem your shares. Based on your instructions, the Fund will mail your proceeds to you, or send them to your bank via wire or ACH.

By Systematic Withdrawal Plan (via ACH) (Investor Servicing Shares Only)

If you have a direct account with the Fund and your account balance is at least $100,000, you may transfer as little as $1,000 per month from your account to another financial institution through a Systematic Withdrawal Plan (via ACH). To participate in this service, you must complete the appropriate sections of the account application and mail it to the Fund.

Receiving Your Money

Normally, the Fund will send your sale proceeds within one Business Day after it receives your redemption request. The Fund, however, may take up to seven days to pay redemption proceeds. Your proceeds can be wired to your bank account (may be subject to a $10 fee), sent to you by check or sent via ACH to your bank account if you have established banking instructions with the Fund. If you are selling shares that were recently purchased by check or through ACH, redemption proceeds may not be available until your check has cleared or the ACH transaction has been completed (which may take up to 15 days from your date of purchase).

The Fund typically expects to sell portfolio assets and/or hold cash or cash equivalents to meet redemption requests. On a less regular basis, the Fund may also meet redemption requests by drawing on a line of

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credit, using short-term borrowings from its custodian and/or redeeming shares in-kind (as described below). These methods may be used during both normal and stressed market conditions.

Redemptions In-Kind

The Fund generally pays sale (redemption) proceeds in cash. However, under unusual conditions that make the payment of cash unwise and for the protection of the Fund’s remaining shareholders, the Fund might pay all or part of your redemption proceeds in securities with a market value equal to the redemption price (redemption in-kind). It is highly unlikely that your shares would ever be redeemed in-kind, but if they were, you would have to pay transaction costs to sell the securities distributed to you, as well as taxes on any capital gains from the sale as with any redemption. In addition, you would continue to be subject to the risks of any market fluctuation in the value of the securities you receive in-kind until they are sold.

Involuntary Redemptions of Your Shares

If your account balance drops below $75,000 for Investor Servicing Shares or $500,000 for Institutional Shares, you may be required to sell your shares. The Fund generally will provide you at least 30 days’ written notice to give you time to add to your account and avoid the involuntary redemption of your shares. The Fund reserves the right to waive the minimum account value requirement in its sole discretion.

Suspension of Your Right to Sell Your Shares

The Fund may suspend your right to sell your shares or delay payment of redemption proceeds for more than seven days during times when the NYSE is closed, other than during customary weekends or holidays, or as otherwise permitted by the SEC. More information about this is in the SAI.

Telephone Transactions

Purchasing and selling Fund shares over the telephone is extremely convenient, but not without risk. Although the Fund has certain safeguards and procedures to confirm the identity of callers and the authenticity of instructions, the Fund is not responsible for any losses or costs incurred by following telephone instructions it reasonably believes to be genuine. If you or your financial institution transact with the Fund over the telephone, you will generally bear the risk of any loss.

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Payments to Financial Intermediaries

The Fund and/or the Adviser may compensate financial intermediaries for providing a variety of services to the Fund and/or its shareholders. Financial intermediaries include affiliated or unaffiliated brokers, dealers, banks (including bank trust departments), trust companies, registered investment advisers, financial planners, retirement plan administrators, insurance companies, and any other institution having a service, administration, or any similar arrangement with the Fund, its service providers or their respective affiliates. This section briefly describes how financial intermediaries may be paid for providing these services. For more information, please see “Payments to Financial Intermediaries” in the SAI.

Shareholder Servicing Plan

The Fund has adopted a shareholder servicing plan that provides that the Fund may pay financial intermediaries for shareholder services in an annual amount not to exceed 0.15% based on the average daily net assets of the Fund’s Investor Servicing Shares. The services for which financial intermediaries are compensated may include record-keeping, transaction processing for shareholders’ accounts and other shareholder services.

Payments by the Adviser

From time to time, the Adviser and/or its affiliates, in their discretion, may make payments to certain affiliated or unaffiliated financial intermediaries to compensate them for the costs associated with distribution, marketing, administration and shareholder servicing support for the Fund. These payments are sometimes characterized as “revenue sharing” payments and are made out of the Adviser’s and/or its affiliates’ own legitimate profits or other resources, and may be in addition to any payments made to financial intermediaries by the Fund. A financial intermediary may provide these services with respect to Fund shares sold or held through programs such as retirement plans, qualified tuition programs, fund supermarkets, fee-based advisory or wrap fee programs, bank trust programs, and insurance (e.g., individual or group annuity) programs. In addition, financial intermediaries may receive payments for making shares of the Fund available to their customers or registered representatives, including providing the Fund with “shelf space,” placing it on a preferred or recommended fund list, or promoting the Fund in certain sales programs that are sponsored by financial intermediaries. To the extent permitted by SEC and Financial Industry Regulatory Authority

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(“FINRA”) rules and other applicable laws and regulations, the Adviser and/or its affiliates may pay or allow other promotional incentives or payments to financial intermediaries.

The level of payments made by the Adviser and/or its affiliates to individual financial intermediaries varies in any given year and may be negotiated on the basis of sales of Fund shares, the amount of Fund assets serviced by the financial intermediary or the quality of the financial intermediary’s relationship with the Adviser and/or its affiliates. These payments may be more or less than the payments received by the financial intermediaries from other mutual funds and may influence a financial intermediary to favor the sales of certain funds or share classes over others. In certain instances, the payments could be significant and may cause a conflict of interest for your financial intermediary. Any such payments will not change the NAV or price of the Fund’s shares. Please contact your financial intermediary for information about any payments it may receive in connection with the sale of Fund shares or the provision of services to Fund shareholders.

In addition to these payments, your financial intermediary may charge you account fees, commissions or transaction fees for buying or redeeming shares of the Fund, or other fees for servicing your account. Your financial intermediary should provide a schedule of its fees and services to you upon request.

Other Policies

Excessive Trading Policies and Procedures

The Fund is intended for long-term investment purposes only and discourages shareholders from engaging in “market timing” or other types of excessive short-term trading. This frequent trading into and out of the Fund may present risks to the Fund’s long-term shareholders and could adversely affect shareholder returns. The risks posed by frequent trading include interfering with the efficient implementation of the Fund’s investment strategies, triggering the recognition of taxable gains and losses on the sale of Fund investments, requiring the Fund to maintain higher cash balances to meet redemption requests, and experiencing increased transaction costs.

In addition, because the Fund may invest in foreign securities traded primarily on markets that close prior to the time the Fund determines its NAV, the risks posed by frequent trading may have a greater potential to dilute the value of Fund shares held by long-term shareholders than funds investing exclusively in U.S. securities. In instances where a significant

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event that affects the value of one or more foreign securities held by the Fund takes place after the close of the primary foreign market, but before the time that the Fund determines its NAV, certain investors may seek to take advantage of the fact that there will be a delay in the adjustment of the market price for a security caused by this event until the foreign market reopens (sometimes referred to as “price” or “time zone” arbitrage). Shareholders who attempt this type of arbitrage may dilute the value of the Fund’s shares if the prices of the Fund’s foreign securities do not reflect their fair value. Although the Adviser has procedures designed to determine the fair value of foreign securities for purposes of calculating the Fund’s NAV when such an event has occurred, fair value pricing, because it involves judgments which are inherently subjective, may not always eliminate the risk of price arbitrage.

The Fund’s service providers will take steps reasonably designed to detect and deter frequent trading by shareholders pursuant to the Fund’s policies and procedures described in this prospectus and approved by the Board. For purposes of applying these policies, the Fund’s service providers may consider the trading history of accounts under common ownership or control. The Fund’s policies and procedures include:

The Fund and/or its service providers seek to apply these policies to the best of their abilities uniformly and in a manner they believe is consistent with the interests of the Fund’s long-term shareholders. The Fund does not knowingly accommodate frequent purchases and redemptions by Fund shareholders. Although these policies are designed to deter frequent trading, none of these measures alone nor all of them taken together eliminate the possibility that frequent trading in the Fund will occur. Systematic purchases and redemptions are exempt from these policies.

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Financial intermediaries (such as investment advisers and broker-dealers) often establish omnibus accounts in the Fund for their customers through which transactions are placed. The Fund has entered into “information sharing agreements” with these financial intermediaries, which permit the Fund to obtain, upon request, information about the trading activity of the intermediary’s customers that invest in the Fund. If the Fund or its service providers identify omnibus account level trading patterns that have the potential to be detrimental to the Fund, the Fund or its service providers may, in their sole discretion, request from the financial intermediary information concerning the trading activity of its customers. Based upon a review of that information, if the Fund or its service providers determine that the trading activity of any customer may be detrimental to the Fund, they may, in their sole discretion, request the financial intermediary to restrict or limit further trading in the Fund by that customer. If the Fund is not satisfied that the intermediary has taken appropriate action, the Fund may terminate the intermediary’s ability to transact in Fund shares. When information regarding transactions in the Fund’s shares is requested by the Fund and such information is in the possession of a person that is itself a financial intermediary to a financial intermediary (an “indirect intermediary”), any financial intermediary with whom the Fund has an information sharing agreement is obligated to obtain transaction information from the indirect intermediary or, if directed by the Fund, to restrict or prohibit the indirect intermediary from purchasing shares of the Fund on behalf of other persons.

The Fund and its service providers will use reasonable efforts to work with financial intermediaries to identify excessive short-term trading in omnibus accounts that may be detrimental to the Fund. However, there can be no assurance that the monitoring of omnibus account level trading will enable the Fund to identify or prevent all such trading by a financial intermediary’s customers. Please contact your financial intermediary for more information.

Customer Identification and Verification

To help the government fight the funding of terrorism and money laundering activities, federal law requires all financial institutions to obtain, verify, and record information that identifies each person who opens an account.

What this means to you: when you open an account, the Fund will ask your name, address, date of birth, and other information that will allow the Fund to identify you. This information is subject to verification to ensure the identity of all persons opening a mutual fund account.

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The Fund is required by law to reject your new account application if the required identifying information is not provided.

In certain instances, the Fund is required to collect documents to fulfill its legal obligation. Documents provided in connection with your application will be used solely to establish and verify your identity.

Attempts to collect the missing information required on the application will be performed by either contacting you or, if applicable, your broker or financial intermediary. If this information cannot be obtained within a reasonable timeframe established in the sole discretion of the Fund, your application will be rejected.

Subject to the Fund’s right to reject purchases as described in this prospectus, upon receipt of your application in good order (or upon receipt of all identifying information required on the application), your investment will be accepted and your order will be processed at the next-determined NAV per share.

The Fund reserves the right to close or liquidate your account at the NAV next-determined and remit proceeds to you via check if it is unable to verify your identity. Attempts to verify your identity will be performed within a reasonable timeframe established in the sole discretion of the Fund. Further, the Fund reserves the right to hold your proceeds until your original check clears the bank, which may take up to 15 days from the date of purchase. In such an instance, you may be subject to a gain or loss on Fund shares and will be subject to corresponding tax implications.

Anti-Money Laundering Program

Customer identification and verification is part of the Fund’s overall obligation to deter money laundering under federal law. The Fund has adopted an anti-money laundering compliance program designed to prevent the Fund from being used for money laundering or the financing of illegal activities. In this regard, the Fund reserves the right to: (i) refuse, cancel or rescind any purchase order; (ii) freeze any account and/or suspend account services; or (iii) involuntarily close your account in cases of threatening conduct or suspected fraudulent or illegal activity. These actions will be taken when, in the sole discretion of Fund management, they are deemed to be in the best interest of the Fund or in cases when the Fund is requested or compelled to do so by governmental or law enforcement authority. If your account is closed at the request of governmental or law enforcement authority, you may not receive proceeds of the redemption if the Fund is required to withhold such proceeds.

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Unclaimed Property

Each state has unclaimed property rules that generally provide for escheatment (or transfer) to the state of unclaimed property under various circumstances. Such circumstances include inactivity (e.g., no owner-initiated contact for a certain period), returned mail (e.g., when mail sent to a shareholder is returned by the post office, or “RPO,” as undeliverable), or a combination of both inactivity and returned mail. Once it flags property as unclaimed, the Fund will attempt to contact the shareholder, but if that attempt is unsuccessful, the account may be considered abandoned and escheated to the state.

Shareholders that reside in the state of Texas may designate a representative to receive escheatment notifications by completing and submitting a designation form that can be found on the website of the Texas Comptroller. While the designated representative does not have any rights to claim or access the shareholder’s account or assets, the escheatment period will cease if the representative communicates knowledge of the shareholder’s location and confirms that the shareholder has not abandoned his or her property. A completed designation form may be mailed to the Fund (if shares are held directly with the Fund) or to the shareholder’s financial intermediary (if shares are not held directly with the Fund).

More information on unclaimed property and how to maintain an active account is available through your state or by calling 877-225-4164.

Dividends and Distributions

Generally, the Fund distributes its net investment income, and makes distributions of its net realized capital gains, if any, at least annually. If you own Fund shares on the Fund’s record date, you will be entitled to receive the distribution.

You will receive dividends and distributions in the form of additional Fund shares unless you elect to receive payment in cash. To elect cash payment, you must notify the Fund in writing prior to the date of the distribution. Your election will be effective for dividends and distributions paid after the Fund receives your written notice. To cancel your election, simply send the Fund written notice.

Taxes

Please consult your tax advisor regarding your specific questions about federal, state and local taxes. Below is a summary of certain important U.S. federal income tax issues that affect the Fund and its shareholders. This

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summary is based on current tax laws, which may change. This summary does not apply to shares held in an IRA or other tax-qualified plans, which are not subject to current tax. Transactions relating to shares held in such accounts may, however, be taxable at some time in the future.

The Fund has elected and intends to qualify each year for treatment as a regulated investment company (“RIC”). If it meets certain minimum distribution requirements, a RIC is not subject to tax at the fund level on income and gains from investments that are timely distributed to shareholders. However, the Fund’s failure to qualify as a RIC or to meet minimum distribution requirements would result (if certain relief provisions were not available) in fund-level taxation and, consequently, a reduction in income available for distribution to shareholders.

The Fund intends to distribute substantially all of its net investment income and net realized capital gains, if any. The dividends and distributions you receive may be subject to federal, state, and local taxation, depending upon your tax situation. Distributions you receive from the Fund may be taxable whether received in cash or you reinvest them in additional shares of the Fund. Income distributions, including distributions of short-term capital gains but excluding distributions of qualified dividend income, are generally taxable at ordinary income tax rates. Long-term capital gains distributions and distributions that are reported by the Fund as qualified dividend income are generally taxable at the rates applicable to long-term capital gains and currently set at a maximum tax rate for individuals of 20% (lower rates apply to individuals in lower tax brackets). Qualified dividend income is, in general, dividend income from taxable domestic corporations and certain foreign corporations (e.g., foreign corporations incorporated in U.S. possessions or in certain foreign countries with a comprehensive tax treaty with the United States, or the stock of which is readily tradeable on an established securities market in the United States). Once a year the Fund (or its administrative agent) will send you a statement showing the types and total amount of distributions you received during the previous year. The Fund’s investment strategies may limit its ability to make distributions eligible for the reduced tax rates for qualified dividend income.

A RIC that receives business interest income may pass through its net business interest income for purposes of the tax rules applicable to the interest expense limitations under Section 163(j) of the Code. A RIC’s total “Section 163(j) Interest Dividend” for a tax year is limited to the excess of the RIC’s business interest income over the sum of its business interest expense and its other deductions properly allocable to its business interest income. A RIC may, in its discretion, designate all or a portion of ordinary dividends as Section 163(j) Interest Dividends, which

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would allow the recipient shareholder to treat the designated portion of such dividends as interest income for purposes of determining such shareholder’s interest expense deduction limitation under Section 163(j) of the Code. This can potentially increase the amount of a shareholder’s interest expense deductible under Section 163(j) of the Code. In general, to be eligible to treat a Section 163(j) Interest Dividend as interest income, you must have held your shares in the Fund for more than 180 days during the 361-day period beginning on the date that is 180 days before the date on which the share becomes ex-dividend with respect to such dividend. Section 163(j) Interest Dividends, if so designated by the Fund, will be reported to your financial intermediary or otherwise in accordance with the requirements specified by the Internal Revenue Service (“IRS”).

You should note that if you purchase shares just before a distribution, the purchase price would reflect the amount of the upcoming distribution. In this case, you would be taxed on the entire amount of the distribution received, even though, as an economic matter, the distribution simply constitutes a return of your investment. This is known as “buying a dividend” and generally should be avoided by taxable investors.

Each sale of Fund shares may be a taxable event. Assuming a shareholder holds a Fund’s shares as capital assets, the gain or loss on the sale of Fund shares generally will be treated as a short-term capital gain or loss if you held the shares for 12 months or less or as long-term capital gain or loss if you held the shares for longer. Any loss realized upon a taxable disposition of Fund shares held for six months or less will be treated as long-term, rather than short-term, to the extent of any long-term capital gain distributions received (or deemed received) by you with respect to the Fund shares. All or a portion of any loss realized upon a taxable disposition of Fund shares will be disallowed if you purchase other substantially identical shares within 30 days before or after the disposition. In such a case, the basis of the newly purchased shares will be adjusted to reflect the disallowed loss.

U.S. individuals with income exceeding $200,000 ($250,000 if married and filing jointly) are subject to a 3.8% tax on their “net investment income,” including interest, dividends, and capital gains (including capital gains realized on the sale of shares of the Fund).

The Fund (or its administrative agent) must report to the IRS and furnish to Fund shareholders cost basis information for Fund shares. In addition to reporting the gross proceeds from the sale of Fund shares, the Fund is also required to report the cost basis information for such shares and indicate whether these shares had a short-term or long-term holding period. For each sale of Fund shares, the Fund will permit shareholders

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to elect from among several IRS-accepted cost basis methods, including the average cost basis method. In the absence of an election, the Fund will use the average cost basis method as the default cost basis method. The cost basis method elected by the Fund shareholder (or the cost basis method applied by default) for each sale of Fund shares may not be changed after the settlement date of each such sale of Fund shares. Fund shareholders should consult with their tax advisors to determine the best IRS-accepted cost basis method for their tax situation and to obtain more information about how cost basis reporting applies to them. Shareholders also should carefully review the cost basis information provided to them and make any additional basis, holding period or other adjustments that are required when reporting these amounts on their federal income tax returns.

To the extent the Fund invests in foreign securities, it may be subject to foreign withholding taxes with respect to dividends or interest the Fund receives from sources in foreign countries. If more than 50% of the total assets of the Fund consist of foreign securities, the Fund will be eligible to elect to treat some of those taxes as a distribution to shareholders, which would allow shareholders to offset some of their U.S. federal income tax. The Fund (or its administrative agent) will notify you if it makes such an election and provide you with the information necessary to reflect foreign taxes paid on your income tax return.

The Fund may invest in U.S. REITs. “Qualified REIT dividends” (i.e., ordinary REIT dividends other than capital gain dividends and portions of REIT dividends designated as qualified dividend income eligible for capital gain tax rates) are eligible for a 20% deduction by non-corporate taxpayers. This deduction, if allowed in full, equates to a maximum effective tax rate of 29.6% (37% top rate applied to income after 20% deduction). Distributions by the Fund to its shareholders that are attributable to qualified REIT dividends received by the Fund and which the Fund properly reports as “section 199A dividends,” are treated as “qualified REIT dividends” in the hands of non-corporate shareholders. A section 199A dividend is treated as a qualified REIT dividend only if the shareholder receiving such dividend holds the dividend-paying RIC shares for at least 46 days of the 91-day period beginning 45 days before the shares become ex-dividend, and is not under an obligation to make related payments with respect to a position in substantially similar or related property. The Fund is permitted to report such part of its dividends as section 199A dividends as are eligible, but is not required to do so. Unless later extended or made permanent, this 20% deduction will no longer be available for taxable years beginning after December 31, 2025.

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REITs in which the Fund invests often do not provide complete and final tax information to the Fund until after the time that the Fund issues a tax reporting statement. As a result, the Fund may at times find it necessary to reclassify the amount and character of its distributions to you after it issues your tax reporting statement. When such reclassification is necessary, the Fund (or its administrative agent) will send you a corrected, final Form 1099-DIV to reflect the reclassified information. If you receive a corrected Form 1099-DIV, use the information on this corrected form, and not the information on the previously issued tax reporting statement, in completing your tax returns.

Certain of the Fund’s investments may be subject to complex provisions of the Code (including provisions relating to hedging transactions, straddles, integrated transactions, and notional principal contracts) that, among other things, may affect the Fund’s ability to qualify as a RIC, affect the character of gains and losses realized by the Fund (e.g., may affect whether gains or losses are ordinary or capital), accelerate recognition of income to the Fund and defer losses and, in limited cases, subject the Fund to U.S. federal income tax on income from certain of its foreign securities.

Because each shareholder’s tax situation is different, you should consult your tax advisor about the tax implications of an investment in the Fund.

More information about taxes is included in the SAI.

Additional Information

The Trust enters into contractual arrangements with various parties, including, among others, the Fund’s investment adviser, custodian, transfer agent, accountants, administrator and distributor, who provide services to the Fund. Shareholders are not parties to, or intended (or “third-party”) beneficiaries of, any of those contractual arrangements, and those contractual arrangements are not intended to create in any individual shareholder or group of shareholders any right to enforce the terms of the contractual arrangements against the service providers or to seek any remedy under the contractual arrangements against the service providers, either directly or on behalf of the Trust.

This prospectus and the SAI provide information concerning the Trust and the Fund that you should consider in determining whether to purchase shares of the Fund. The Fund may make changes to this information from time to time. Neither this prospectus, the SAI or any document filed as an exhibit to the Trust’s registration statement, is intended to, nor does it, give rise to an agreement or contract between the Trust or the Fund

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and any shareholder, or give rise to any contract or other rights in any individual shareholder, group of shareholders or other person other than any rights conferred explicitly by federal or state securities laws that may not be waived.

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Financial Highlights

The tables that follow present performance information about the Fund. This information is intended to help you understand the Fund’s financial performance for the period of the Fund’s operations. Some of this information reflects financial information for a single Fund share. The total returns in the tables represent the rate that an investor would have earned (or lost) on an investment in the Fund (assuming reinvestment of all dividends and distributions).

The information provided below for the period ended October 31, 2023 has been audited by Ernst & Young LLP, independent registered public accounting firm for the Fund. The financial statements and the unqualified opinion of Ernst & Young LLP are included in the 2023 Annual Report of the Fund, which is available upon request by calling the Fund at 877-225-4164.

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PineBridge Dynamic Asset Allocation Fund — Institutional Shares

Selected Per Share Date & Ratios
For a Share Outstanding Throughout Each Year

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PineBridge Dynamic Asset Allocation Fund — Investor Servicing Shares

Selected Per Share Date & Ratios
For a Share Outstanding Throughout Each Year

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The Advisors’ Inner Circle Fund III

PineBridge Dynamic Asset Allocation Fund

Investment Adviser

PineBridge Investments LLC
Park Avenue Tower
65 East 55th Street
New York, New York 10022

Distributor

SEI Investments Distribution Co.
One Freedom Valley Drive
Oaks, Pennsylvania 19456

Legal Counsel

Morgan, Lewis & Bockius LLP
2222 Market Street
Philadelphia, Pennsylvania 19103

More information about the Fund is available, without charge, through the following:

Statement of Additional Information (“SAI”): The SAI, dated March 1, 2024, as it may be amended from time to time, includes detailed information about the PineBridge Dynamic Asset Allocation Fund and The Advisors’ Inner Circle Fund III. The SAI is on file with the U.S. Securities and Exchange Commission (the “SEC”) and is incorporated by reference into this prospectus. This means that the SAI, for legal purposes, is a part of this prospectus.

Annual and Semi-Annual Reports: These reports list the Fund’s holdings and contain information from the Adviser about investment strategies, and recent market conditions and trends and their impact on Fund performance. The reports also contain detailed financial information about the Fund.

To Obtain an SAI, Annual or Semi-Annual Report, or More Information:

From the SEC: You can also obtain the SAI or the Annual and Semi-Annual Reports, as well as other information about The Advisors’ Inner Circle Fund III, from the EDGAR Database on the SEC’s website at: http://www.sec.gov. You may also obtain this information, upon payment of a duplicating fee, by e-mailing the SEC at the following address: [email protected].

The Trust’s Investment Company Act registration number is 811-22920.

PBI-PS-001-1000