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Summary Prospectus
June 27, 2025
Invesco AMT-Free Municipal Income Fund
Class: A (OPTAX), C (OMFCX), Y (OMFYX), Class R6 (IORAX)
 
Before you invest, you may want to review the Fund’s prospectus, which contains more information about the Fund and its risks. You can find the Fund’s prospectus, reports to shareholders, and other information about the Fund online at www.invesco.com/prospectus. You can also get this information at no cost by calling (800) 959-4246 or by sending an e-mail request to ProspectusRequest@invesco.com. The Fund’s prospectus and statement of additional information, both dated June 27, 2025 (as each may be amended or supplemented), are incorporated by reference into this Summary Prospectus and may be obtained, free of charge, at the website, phone number or e-mail address noted above.
Investment Objective(s)
The Fund’s investment objective is to seek tax-free income.
Fees and Expenses of the Fund
This table describes the fees and expenses that you may pay if you buy, hold and sell shares of the Fund.
The table and Examples below do not reflect any transaction fees that may be charged by financial intermediaries or commissions that a shareholder may be required to pay directly to its financial intermediary when buying or selling Class Y or Class R6 shares. You may qualify for sales charge discounts if you and your family invest, or agree to invest in the future, at least $100,000 in the Invesco Funds. More information about these and other discounts is available from your financial professional and in the section “Shareholder Account Information – Initial Sales Charges (Class A Shares Only)” on page A-3 of the prospectus and the section “Purchase, Redemption and Pricing of Shares-Purchase and Redemption of Shares” on page L-1 of the statement of additional information (SAI).
 
Shareholder Fees (fees paid directly from your investment)
Class:
A
C
Y
R6
Maximum Sales Charge (Load) Imposed on Purchases (as a
percentage of offering price)
4.25
%
None
None
None
Maximum Deferred Sales Charge (Load) (as a percentage of
original purchase price or redemption proceeds, whichever is
less)
None1
1.00
%
None
None
 
Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the
value of your investment)
Class:
A
C
Y
R6
Management Fees
0.39
%
0.39
%
0.39
%
0.39
%
Distribution and/or Service (12b-1) Fees
0.24
1.00
None
None
Other Expenses
0.12
0.12
0.12
0.05
Interest Expense
0.16
0.16
0.16
0.16
Total Other Expenses
0.28
0.28
0.28
0.21
Total Annual Fund Operating Expenses
0.91
1.67
0.67
0.60
 
1
A contingent deferred sales charge may apply in some cases. See “Shareholder Account Information-Contingent Deferred Sales Charges (CDSCs).”
Example. This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds.
The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem all of your shares at the end of those periods. This Example does not include commissions and/or other forms of compensation that investors may pay on transactions in Class Y and Class R6 shares. The Example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same.
Although your actual costs may be higher or lower, based on these assumptions, your costs would be:
 
 
1 Year
3 Years
5 Years
10 Years
Class A
$514
$703
$907
$1,497
Class C
$270
$526
$907
$1,774
Class Y
$68
$214
$373
$835
Class R6
$61
$192
$335
$750
You would pay the following expenses if you did not redeem your shares:
 
 
1 Year
3 Years
5 Years
10 Years
Class A
$514
$703
$907
$1,497
Class C
$170
$526
$907
$1,774
Class Y
$68
$214
$373
$835
Class R6
$61
$192
$335
$750
Portfolio Turnover. The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual fund operating expenses or in the Example, affect the Fund’s performance. During the most recent fiscal year, the Fund’s portfolio turnover rate was 18% of the average value of its portfolio.
Principal Investment Strategies of the Fund
Under normal market conditions, and as a fundamental policy, the Fund invests at least 80% of its net assets (plus borrowings for investment purposes) in securities the income from which, in the opinion of counsel to the issuer of each security, is exempt from regular federal individual and, as applicable, the Fund’s state income tax. These primarily include municipal bonds (long-term (generally more than one-year) obligations), municipal notes (short-term obligations), interests in municipal leases, and tax-exempt commercial paper. The policy stated in the foregoing sentence may not be
1        Invesco AMT-Free Municipal Income Fund
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changed without shareholder approval of a majority of the Fund’s outstanding voting securities, as defined in the Investment Company Act of 1940, as amended (1940 Act). In complying with this 80% investment requirement, the Fund may invest in derivatives and other instruments that have economic characteristics similar to the Fund’s direct investments that are counted toward the 80% investment requirement.
Municipal securities generally are classified as general or revenue obligations. General obligations are secured by the issuer’s pledge of its full faith, credit and taxing power for the payment of principal and interest. Revenue obligations are bonds whose interest is payable only from the revenues derived from a particular facility or class of facilities, or a specific excise tax or other revenue source. The securities in which the Fund invests may also include securities issued by U.S. territories, commonwealths and possessions, or by their agencies, instrumentalities and authorities, if the interest on such securities is not subject to federal income tax.
The Fund will not invest in municipal securities the interest on which would be subject to the federal “alternative minimum tax” (AMT).
Most of the securities the Fund buys are “investment-grade,” although it can invest as much as 25% of its total assets in below-investment-grade securities (commonly called “junk bonds”), and may acquire securities that are in default. Credit rating downgrades of a single issuer or related similar issuers whose securities the Fund holds in significant amounts could substantially and unexpectedly increase the Fund’s exposure to below-investment-grade securities and the risks associated with them, especially liquidity and default risk.
If the Fund has more than 25% of its total assets invested in below-investment-grade securities, Invesco Advisers, Inc. (Invesco or the Adviser) will not purchase additional below-investment-grade securities until the level of holdings in those securities no longer exceeds the restriction. This restriction is applied at the time of purchase and the Fund may continue to hold a security whose credit rating has been downgraded or, in the case of an unrated security, after the Adviser has changed its assessment of the security’s credit quality. As a result, credit rating downgrades or other market fluctuations may cause the Fund’s holdings of below-investment-grade securities to exceed, at times significantly, this restriction for an extended period of time. Investment-grade securities are: (i) securities rated BBB- or higher by S&P Global Ratings (S&P) or Baa3 or higher by Moody's Investors Service, Inc. (Moody's) or an equivalent rating by another nationally recognized statistical rating organization (NRSRO), (ii) securities with comparable short-term NRSRO ratings, or (iii) unrated securities determined by the Adviser to be of comparable quality, each at the time of purchase. While securities rated BBB+, BBB or BBB- by S&P or Baa1, Baa2 or Baa3 by Moody's are considered investment-grade, they have some speculative characteristics. If two or more nationally recognized statistical rating organizations have assigned different ratings to a security, the Adviser uses the highest rating assigned. The Fund also invests in unrated securities, in which case the Adviser internally assigns ratings to those securities, after assessing their credit quality and other factors, in investment-grade or below-investment-grade categories similar to those of nationally recognized statistical rating organizations.
To the extent the Fund invests in pre-refunded municipal securities collateralized by U.S. government securities, the Fund may treat those securities as investment-grade (AAA) securities even if the issuer itself has a below-investment-grade rating.
The Fund does not limit its investments to securities in a particular maturity range, but it currently focuses on securities with maturities between 5 and 30 years when issued. The Fund may invest in obligations that pay interest at fixed or variable rates. The Fund can invest in inverse floating rate interests (Inverse Floaters) issued in connection with municipal tender option bond (TOB) financing transactions to generate leverage for the Fund. The Fund can expose up to 20% of its total assets to the effects of leverage from its investments in Inverse Floaters. The Fund's investments in Inverse Floaters are included for purposes of the 80% policies described
above. The Fund can also engage in reverse repurchase agreements, which also create leverage.
The Fund can invest in derivative instruments, including futures contracts. The Fund can use futures contracts, including interest rate futures, to reduce exposure to interest rate changes and to manage duration.
The Fund can borrow money for investment-related purposes including to purchase additional securities, which is another form of leverage. Although the amount of borrowing will vary from time to time, the amount of leveraging from borrowings will not exceed one-third of the Fund’s total assets. The Fund may also borrow to meet redemption obligations or for temporary and emergency purposes.
The Fund may invest more than 25% of its net assets in a segment of the municipal securities market with similar characteristics if the Adviser determines that the yields available from obligations in a particular segment justify the additional risks of a larger investment in such segment. The Fund may not, however, invest more than 25% of its net assets in industrial development revenue bonds issued for companies in the same industry.
The Fund can invest up to 25% of its total assets in tobacco settlement revenue bonds, which make payments only from a state's interest in the Master Settlement Agreement (MSA), and up to 25% of its total assets in tobacco bonds subject to a state's appropriation pledge, which make payments from both MSA revenue and a state's appropriation pledge.
Decisions to purchase or sell securities are determined by the relative value considerations of the portfolio managers that factor in economic and credit-related fundamentals, market supply and demand, market dislocations and situation-specific opportunities. The purchase or sale of securities may be related to a decision to alter the Fund's macro risk exposure (such as duration, yield curve positioning and sector exposure), a need to limit or reduce the Fund's exposure to a particular security or issuer, degradation of an issuer's credit quality, or general liquidity needs of the Fund. The potential for realization of capital gains or losses resulting from possible changes in interest rates will not be a major consideration and frequency of portfolio turnover generally will not be a limiting factor if the Adviser considers it advantageous to purchase or sell securities.
Principal Risks of Investing in the Fund
As with any mutual fund investment, loss of money is a risk of investing. An investment in the Fund is not a deposit in a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other governmental agency. The risks associated with an investment in the Fund can increase during times of significant market volatility. The principal risks of investing in the Fund are:
Market Risk. The market values of the Fund’s investments, and therefore the value of the Fund’s shares, will go up and down, sometimes rapidly or unpredictably. Market risk may affect a single issuer, industry or section of the economy, or it may affect the market as a whole. The value of the Fund’s investments may go up or down due to general market conditions that are not specifically related to the particular issuer. These market conditions may include real or perceived adverse economic conditions, changes in trade regulation or economic sanctions, changes in the general outlook for revenues or corporate earnings, changes in interest or currency rates, regional or global instability and uncertainty, natural or environmental disasters, widespread disease or other public health issues, war, military conflict, acts of terrorism, economic crisis or adverse investor sentiment generally, among others. Certain changes in the U.S. economy in particular, such as when the U.S. economy weakens or when its financial markets decline, may have a material adverse effect on global financial markets as a whole, and on the securities to which the Fund has exposure. Increasingly strained relations between the U.S. and foreign countries, including as a result of economic sanctions and tariffs, may also adversely affect U.S. issuers, as well as non-U.S. issuers.
2        Invesco AMT-Free Municipal Income Fund
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During a general downturn in the financial markets, multiple asset classes may decline in value. When markets perform well, there can be no assurance that specific investments held by the Fund will rise in value.
Debt Securities Risk. The prices of debt securities held by the Fund will be affected by changes in interest rates, the creditworthiness of the issuer and other factors. An increase in prevailing interest rates typically causes the value of existing debt securities to fall and often has a greater impact on longer-duration debt securities and higher quality debt securities. Falling interest rates will cause the Fund to reinvest the proceeds of debt securities that have been repaid by the issuer at lower interest rates. Falling interest rates may also reduce the Fund’s distributable income because interest payments on floating rate debt instruments held by the Fund will decline. The Fund could lose money on investments in debt securities if the issuer or borrower fails to meet its obligations to make interest payments and/or to repay principal in a timely manner. Changes in an issuer’s financial strength, the market’s perception of such strength or in the credit rating of the issuer or the security may affect the value of debt securities. The credit analysis applied to the Fund’s debt securities may fail to anticipate such changes, which could result in buying a debt security at an inopportune time or failing to sell a debt security in advance of a price decline or other credit event.
Municipal Securities Risk. The risk of a municipal obligation generally depends on the financial and credit status of the issuer. Constitutional amendments, legislative enactments, executive orders, administrative regulations, voter initiatives, and the issuer’s regional economic conditions may affect the municipal security’s value, interest payments, repayment of principal and the Fund’s ability to sell the security. Failure of a municipal security issuer to comply with applicable tax requirements may make income paid thereon taxable, resulting in a decline in the security’s value. In addition, there could be changes in applicable tax laws or tax treatments that reduce or eliminate the current federal income tax exemption on municipal securities or otherwise adversely affect the current federal or state tax status of municipal securities.
Municipal Issuer Focus Risk. The municipal issuers in which the Fund invests may be located in the same geographic area or may pay their interest obligations from revenue of similar projects, such as hospitals, airports, utility systems and housing finance agencies. This may make the Fund’s investments more susceptible to similar social, economic, political or regulatory occurrences, making the Fund more susceptible to experience a drop in its share price than if the Fund had been more diversified across issuers that did not have similar characteristics.
Investing in U.S. Territories, Commonwealths and Possessions Risk. The Fund also invests in obligations of the governments of U.S. territories, commonwealths and possessions such as Puerto Rico, the U.S. Virgin Islands, Guam and the Northern Mariana Islands to the extent such obligations are exempt from regular federal individual income taxes. Accordingly, the Fund may be adversely affected by local political, economic, social and environmental conditions and developments, including natural disasters, within these U.S. territories, commonwealths and possessions affecting the issuers of such obligations.
Certain of the municipalities in which the Fund invests, including Puerto Rico, currently experience significant financial difficulties, which may include default, insolvency or bankruptcy. As a result, securities issued by certain of these municipalities are currently considered below-investment-grade securities. A credit rating downgrade relating to, default by, or insolvency or bankruptcy of, one or several municipal security issuers of a state, territory, commonwealth or possession in which the Fund invests could affect the payment of principal and interest, the market values and marketability of many or all municipal obligations of such state, territory, commonwealth or possession.
In the past several years, securities issued by Puerto Rico and its agencies and instrumentalities have been subject to multiple credit downgrades as a result of Puerto Rico’s ongoing fiscal challenges, growing debt obligations and uncertainty about its ability to make full repayment on
these obligations, and certain issuers of Puerto Rican municipal securities have filed for bankruptcy and/or failed to make payments on obligations that have come due. Such developments could adversely impact the Fund’s performance and the Fund may pay expenses to preserve its claims related to its Puerto Rican holdings. The outcome of the debt restructuring of certain Puerto Rican issuers in which the Fund invests, both within and outside bankruptcy proceedings is uncertain, and could adversely affect the Fund.
Tobacco Related Bonds Risk. The settlement payments made by tobacco manufacturers to certain U.S. states and jurisdictions pursuant to the Master Settlement Agreement (MSA) are based on factors, including, but not limited to, annual domestic cigarette shipments, cigarette consumption, inflation and the financial capability of participating tobacco companies. Payments could be reduced if tobacco consumption decreases, if market share is lost to non-MSA manufacturers, or if there is a negative outcome in litigation regarding the MSA, including challenges by participating tobacco manufacturers regarding the amount of annual payments owed under the MSA.
Land-Secured or “Dirt” Bonds Risk. These bonds, which include special assessment, special tax, and tax increment financing bonds, are issued to promote residential, commercial and industrial growth and redevelopment. They are exposed to real estate development-related risks. The bonds could default if the developments failed to progress as anticipated or if taxpayers failed to pay the assessments, fees and taxes specified in the financing plans for a project.
Municipal Lease Obligations Risk. Municipal lease obligations are used by state and local governments to obtain funds to acquire land, equipment or facilities. The Fund can invest in certificates of participation that represent a proportionate interest in payments made under municipal lease obligations. Most municipal lease obligations, while secured by the leased property, are not general obligations of the issuing municipality. They often contain “non-appropriation” clauses under which the municipal government has no obligation to make lease or installment payments in future years unless money is appropriated on a yearly basis.
If the municipal government stops making payments or transfers its payment obligations to a private entity, the obligation could lose value or become taxable. Although the obligation may be secured by the leased equipment or facilities, the disposition of the property in the event of non-appropriation or foreclosure might prove difficult, time consuming and costly, and may result in a delay in recovering or the failure to recover the original investment. Some lease obligations may not have an active trading market, making it difficult for the Fund to sell them quickly at an acceptable price.
Tax-Exempt Commercial Paper Risk. Tax-exempt commercial paper is a short-term obligation with a stated maturity of usually 270 days or less. It is issued by state and local governments or their agencies to finance seasonal working capital needs or as short-term financing in anticipation of longer-term financing. While tax-exempt commercial paper is intended to be repaid from general revenues or refinanced, it frequently is backed by a letter of credit, lending arrangement, note, repurchase agreement or other credit facility agreement offered by a bank or financial institution. Because tax-exempt issuers may constantly reissue their commercial paper and use the proceeds (or other sources) to repay maturing paper, the commercial paper of a tax-exempt issuer that is unable to continue to obtain liquidity in that manner may default. There may be a limited secondary market for issues of tax-exempt commercial paper.
Unrated Securities Risk. The Adviser may internally assign ratings to securities that are not rated by any nationally recognized statistical rating organization, after assessing their credit quality and other factors, in categories similar to those of nationally recognized statistical rating organizations. There can be no assurance, nor is it intended, that the Adviser’s credit analysis process is consistent or comparable with the credit analysis process used by a nationally recognized statistical rating organization. Unrated securities are considered “investment-grade” or
3        Invesco AMT-Free Municipal Income Fund
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“below-investment-grade” if judged by the Adviser to be comparable to rated investment-grade or below-investment-grade securities. The Adviser’s rating does not constitute a guarantee of the credit quality. In addition, some unrated securities may not have an active trading market or may trade less actively than rated securities, which means that unrated securities may be difficult to sell promptly at an acceptable price.
High Yield Debt Securities (Junk Bond/Below-Investment-Grade) Risk. Compared to higher quality debt securities, high yield debt securities (commonly referred to as “junk bonds”) and other lower-rated securities involve a greater risk of default or price changes due to changes in the credit quality of the issuer because they are generally unsecured and may be subordinated to other creditors’ claims. High yield debt securities are considered speculative with respect to the issuer’s capacity to pay interest and repay principal, are more susceptible to default or decline in market value and are less liquid than investment grade debt securities. Prices of high yield debt securities tend to be very volatile. The values of high yield debt securities often fluctuate more in response to political, regulatory or economic developments than higher quality bonds, and their values can decline significantly over short periods of time or during periods of economic difficulty when the bonds could be difficult to value or sell at a fair price, thus subjecting the Fund to a substantial risk of loss.
Inverse Floating Rate Interests Risk. Inverse floating rate interests (Inverse Floaters) are issued in connection with municipal tender option bond (TOB) financing transactions to generate leverage for the Fund. Such instruments are created by a special purpose trust (a TOB Trust) that holds long-term fixed rate bonds, sold to it by the Fund (the underlying security), and issues two classes of beneficial interests: short-term floating rate interests (Floaters), which are sold to other investors, and Inverse Floaters, which are purchased by the Fund. The Floaters have first priority on the cash flow from the underlying security held by the TOB Trust, have a tender option feature that allows holders to tender the Floaters back to the TOB Trust for their par amount and accrued interest at specified intervals and bear interest at prevailing short-term interest rates. Tendered Floaters are remarketed for sale to other investors for their par amount and accrued interest by a remarketing agent to the TOB Trust and are ultimately supported by a liquidity facility provided by a bank, upon which the TOB Trust can draw funds to pay such amount to holders of Tendered Floaters that cannot be remarketed. The Fund, as holder of the Inverse Floaters, is paid the residual cash flow from the underlying security. Accordingly, the Inverse Floaters provide the Fund with leveraged exposure to the underlying security. The price of Inverse Floaters is expected to decline when interest rates rise, and generally will decline more than the price of a bond with a similar maturity, because of the effect of leverage. The price of Inverse Floaters is typically more volatile than the price of bonds with similar maturities, especially if the relevant TOB Trust provides the holder of the Inverse Floaters relatively greater leveraged exposure to the underlying security (e.g., if the par amount of the Floaters, as a percentage of the par amount of the underlying security, is relatively greater). Further, as short-term interest rates rise, the interest payable on the Floaters issued by a TOB Trust also rises, leaving less residual interest cash flow from the underlying security available for payment on the Inverse Floaters. Additionally, Inverse Floaters may lose some or all of their principal and, in some cases, the Fund could lose money in excess of its investment in Inverse Floaters. Consequently, in a rising interest rate environment, the Fund’s investments in Inverse Floaters could negatively impact the Fund’s performance and yield, especially when those Inverse Floaters provide the Fund with relatively greater leveraged exposure to the relevant underlying securities.
Changing Fixed Income Market Conditions Risk. Increases in the federal funds and equivalent foreign rates or other changes to monetary policy or regulatory actions may expose fixed income markets to heightened volatility, perhaps suddenly and to a significant degree, and to reduced liquidity for certain fixed income investments, particularly those with longer maturities. Such changes and resulting increased volatility may adversely
impact the Fund, including its operations, universe of potential investment options, and return potential. It is difficult to predict the impact of interest rate changes on various markets. In addition, decreases in fixed income dealer market-making capacity may also potentially lead to heightened volatility and reduced liquidity in the fixed income markets. As a result, the value of the Fund’s investments and share price may decline. Changes in central bank policies and other governmental actions and political events within the U.S. and abroad may also, among other things, affect investor and consumer expectations and confidence in the financial markets, which could result in higher than normal redemptions by shareholders, which could potentially increase the Fund’s portfolio turnover rate and transaction costs.
Borrowing and Leverage Risk. The Fund can borrow up to one-third of the value of its total assets (including the amount borrowed) from banks, as permitted by the Investment Company Act of 1940. It can use those borrowings for a number of purposes, including for purchasing securities, which can create “leverage.” In that case, changes in the value of the Fund’s investments will have a larger effect on its share price than if it did not borrow. Borrowing results in interest payments to the lenders and related expenses. Borrowing for investment purposes might reduce the Fund’s return if the yield on the securities purchased is less than those borrowing costs.
Taxability Risk. The Fund’s investments in municipal securities rely on the opinion of the issuer’s bond counsel that the interest paid on those securities will not be subject to federal income tax. Tax opinions are generally provided at the time the municipal security is initially issued. However, tax opinions are not binding on the Internal Revenue Service or any court, and after the Fund buys a security, the Internal Revenue Service or a court may determine that a bond issued as tax-exempt should in fact be taxable and the Fund’s dividends with respect to that bond might be subject to federal income tax. In addition, income from tax-exempt municipal securities could be declared taxable because of unfavorable changes in tax laws, adverse interpretations by the Internal Revenue Service or a court, or the non-compliant conduct of a bond issuer.
Derivatives Risk. The value of a derivative instrument depends largely on (and is derived from) the value of an underlying security, currency, commodity, interest rate, index or other asset (each referred to as an underlying asset). In addition to risks relating to the underlying assets, the use of derivatives may include other, possibly greater, risks, including counterparty, leverage and liquidity risks. Counterparty risk is the risk that the counterparty to the derivative contract will default on its obligation to pay the Fund the amount owed or otherwise perform under the derivative contract. Derivatives create leverage risk because they do not require payment up front equal to the economic exposure created by holding a position in the derivative. As a result, an adverse change in the value of the underlying asset could result in the Fund sustaining a loss that is substantially greater than the amount invested in the derivative or the anticipated value of the underlying asset, which may make the Fund’s returns more volatile and increase the risk of loss. Derivative instruments may also be less liquid than more traditional investments and the Fund may be unable to sell or close out its derivative positions at a desirable time or price. This risk may be more acute under adverse market conditions, during which the Fund may be most in need of liquidating its derivative positions. Derivatives may also be harder to value, less tax efficient and subject to changing government regulation that could impact the Fund’s ability to use certain derivatives or their cost. Derivatives strategies may not always be successful. For example, derivatives used for hedging or to gain or limit exposure to a particular market segment may not provide the expected benefits, particularly during adverse market conditions.
Defaulted Securities Risk. As compared with non-defaulted securities, defaulted securities pose a greater risk that principal will not be repaid. Defaulted securities and any securities received in an exchange for such securities may be subject to restrictions on resale.
4        Invesco AMT-Free Municipal Income Fund
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Management Risk. The Fund is actively managed and depends heavily on the Adviser’s judgment about markets, interest rates or the attractiveness, relative values, liquidity, or potential appreciation of particular investments made for the Fund’s portfolio. The Fund could experience losses if these judgments prove to be incorrect. There can be no guarantee that the Adviser’s investment techniques or investment decisions will produce the desired results. Additionally, legislative, regulatory, or tax developments may adversely affect management of the Fund and, therefore, the ability of the Fund to achieve its investment objective.
Performance Information
The bar chart and performance table provide an indication of the risks of investing in the Fund. The Fund has adopted the performance of the Oppenheimer Rochester AMT-Free Municipal Fund (the predecessor fund) as the result of a reorganization of the predecessor fund into the Fund, which was consummated after the close of business on May 24, 2019 (the “Reorganization”). Prior to the Reorganization, the Fund had not yet commenced operations. The bar chart shows changes in the performance of the predecessor fund and the Fund from year to year as of December 31. The performance table compares the predecessor fund’s and the Fund’s performance to that of a broad measure of market performance and an additional index with characteristics relevant to the Fund. The Fund’s (and the predecessor fund’s) past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future.
The returns shown for periods ending on or prior to May 24, 2019 are those of the Class A, Class C and Class Y shares of the predecessor fund. Class A, Class C and Class Y shares of the predecessor fund were reorganized into Class A, Class C and Class Y shares, respectively, of the Fund after the close of business on May 24, 2019. Class A, Class C and Class Y shares’ returns of the Fund will be different from the returns of the predecessor fund as they have different expenses. Performance for Class A shares has been restated to reflect the Fund’s applicable sales charge.
Fund performance reflects any applicable fee waivers and expense reimbursements. Performance returns would be lower without applicable fee waivers and expense reimbursements.
All Fund performance shown assumes the reinvestment of dividends and capital gains and the effect of the Fund’s expenses.
Updated performance information is available on the Fund’s website at www.invesco.com/us.
Annual Total Returns
The bar chart does not reflect sales loads. If it did, the annual total returns shown would be lower.
 
 
Class A
Period Ended
Returns
Year-to-date
March 31, 2025
-0.81%
Best Quarter
December 31, 2023
8.56%
Worst Quarter
March 31, 2022
-6.71%
Average Annual Total Returns (for the periods ended December 31, 2024) 
 
Inception
Date
1
Year
5
Years
10
Years
Class A
Return Before Taxes
10/27/1976
-2.55
%
0.65
%
3.58
%
Return After Taxes on Distributions
-2.55
0.64
3.57
Return After Taxes on Distributions and Sale of Fund
Shares
-0.02
1.32
3.71
Class C
8/29/1995
0.01
0.80
3.40
Class Y
11/29/2010
2.01
1.81
4.29
Class R6
5/24/2019
2.08
1.86
4.21
1
S&P Municipal Bond 5+ Year Investment Grade
Index (reflects no deduction for fees, expenses or
taxes)
1.20
0.94
2.48
S&P Municipal Bond Index (reflects no deduction
for fees, expenses or taxes)
1.90
1.20
2.34
1
Performance shown on or prior to Class R6 shares' inception date is that of the predecessor fund's Class A shares at net asset value and includes the 12b-1 fees applicable to that class. Although invested in the same portfolio of securities, Class R6 shares' returns of the Fund will be different from Class A shares' returns of the predecessor fund as they have different expenses.
After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes. Actual after-tax returns depend on an investor's tax situation and may differ from those shown, and after-tax returns shown are not relevant to investors who hold their Fund shares through tax-advantaged arrangements, such as 401(k) plans, 529 college savings plans or individual retirement accounts. After-tax returns are shown for Class A shares only and after-tax returns for other classes will vary.
Management of the Fund
Investment Adviser: Invesco Advisers, Inc. (Invesco or the Adviser)
 
Portfolio Managers
Title
Length of Service on the Fund
Joshua Cooney
Portfolio Manager
2019
Elizabeth S. Mossow, CFA
Portfolio Manager
2019 (predecessor fund 2013-2018)
Tim O'Reilly
Portfolio Manager
2019
Mark Paris
Portfolio Manager
2019
Julius Williams
Portfolio Manager
2019
Purchase and Sale of Fund Shares
You may purchase, redeem or exchange shares of the Fund on any business day through your financial adviser or by telephone at 800-959-4246. Shares of the Fund, other than Class R6 shares, may also be purchased, redeemed or exchanged on any business day through our website at www.invesco.com/us or by mail to Invesco Investment Services, Inc., P.O. Box 219078, Kansas City, MO 64121-9078.
The minimum investments for Class A, C and Y shares for fund accounts are as follows:
 
Type of Account
Initial
Investment
Per Fund
Additional
Investments
Per Fund
Asset or fee-based accounts managed by your financial adviser
None
None
Employer Sponsored Retirement and Benefit Plans and
Employer Sponsored IRAs
None
None
IRAs and Coverdell ESAs if the new investor is purchasing
shares through a systematic purchase plan
$25
$25
All other types of accounts if the investor is purchasing shares
through a systematic purchase plan
50
50
IRAs and Coverdell ESAs
250
25
All other accounts
1,000
50
With respect to Class R6 shares, there is no minimum initial investment for Employer Sponsored Retirement and Benefit Plans investing through a retirement platform that administers at least $2.5 billion in retirement plan assets. All other Employer Sponsored Retirement and Benefit Plans must meet a minimum initial investment of at least $1 million in each Fund in which it invests.
5        Invesco AMT-Free Municipal Income Fund
invesco.com/usO-ROAFM-SUMPRO-1
For all other institutional investors purchasing Class R6 shares, the minimum initial investment is $1 million, unless such investment is made by (i) an investment company, as defined under the Investment Company Act of 1940, as amended (1940 Act), that is part of a family of investment companies which own in the aggregate at least $100 million in securities, or (ii) an account established with a 529 college savings plan managed by Invesco, in which case there is no minimum initial investment.
There are no minimum investment amounts for Class R6 shares held through retail omnibus accounts maintained by an intermediary, such as a broker, that (i) generally charges an asset-based fee or commission in addition to those described in this prospectus, and (ii) maintains Class R6 shares and makes them available to retail investors.
Tax Information
The Fund’s distributions primarily are exempt from regular federal income tax. All or a portion of these distributions, however, may be subject to state and local taxes. The Fund also may make distributions that are taxable to you as ordinary income or capital gains.
Payments to Broker-Dealers and Other Financial Intermediaries
If you purchase the Fund through a broker-dealer or other financial intermediary (such as a bank), the Fund, the Fund’s distributor or its related companies 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 or financial adviser to recommend the Fund over another investment. Ask your salesperson or financial adviser or visit your financial intermediary’s website for more information.
6        Invesco AMT-Free Municipal Income Fund
invesco.com/usO-ROAFM-SUMPRO-1