PYT Merrill Lynch Depositor Inc

THE FUND SUMMARY

Example. The following 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 a class of shares of the Fund for the time periods indicated.  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 expenses would be as follows:

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 the 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 2% of the average value of its portfolio.

MORE ABOUT THE FUND

About the Fund's Investments

The allocation of the Fund's portfolio among different types of investments will vary over time and the Fund's portfolio might not always include all of the different types of investments described below. The Statement of Additional Information contains additional information about the Fund's investment policies and risks.

The Fund's Principal Investment Strategies and Risks.  The following strategies and types of investments are the ones that the Fund considers to be the most important in seeking to achieve its investment objective and the following risks are those the Fund expects its portfolio to be subject to as a whole.

Master Limited Partnerships . MLPs are publicly traded partnerships engaged in the transportation, storage, processing, refining, marketing, exploration, production, and mining of minerals and natural resources. By confining their operations to these specific activities, their interests, or units, are able to trade on public securities exchanges exactly like the shares of a corporation, without entity level taxation. Of the MLPs that the Manager follows, approximately two-thirds trade on the NYSE and the rest trade on Amex or NASDAQ. MLPs' disclosures are regulated by the SEC and MLPs must file Form 10-Ks, Form 10-Qs, and notices of material changes like any publicly traded corporation. MLPs also must comply with certain requirements applicable to public companies under the Sarbanes Oxley Act of 2002. 

To qualify as a MLP and to not be taxed as a corporation, a partnership must receive at least 90% of its income from qualifying sources as set forth in Section 7704(d) of the Internal Revenue Code of 1986 ("Code"). These qualifying sources include natural resource-based activities such as the exploration, development, mining, production, processing, refining, transportation, storage and marketing of mineral or natural resources. MLPs generally have two classes of owners, the general partner and limited partners. The general partner is typically owned by a major energy company, an investment fund, the direct management of the MLP or is an entity owned by one or more of such parties. The general partner may be structured as a private or publicly traded corporation or other entity. The general partner typically controls the operations and management of the MLP through an up to 2% equity interest in the MLP plus, in many cases, ownership of common units and subordinated units. Limited partners typically own the remainder of the partnership, through ownership of common units, and have a limited role in the partnership's operations and management. 

MLPs are typically structured such that common units and general partner interests have first priority to receive quarterly cash distributions up to an established minimum amount ("minimum quarterly distributions" or "MQD"). Common and general partner interests also accrue arrearages in distributions to the extent the MQD is not paid. Once common and general partner interests have been paid, subordinated units receive distributions of up to the MQD; however, subordinated units do not accrue arrearages. Distributable cash in excess of the MQD paid to both common and subordinated units is distributed to both common and subordinated units generally on a pro rata basis. The general partner is also eligible to receive incentive distributions if the general partner operates the business in a manner which results in distributions paid per common unit surpassing specified target levels. As the general partner increases cash distributions to the limited partners, the general partner receives an increasingly higher percentage of the incremental cash distributions. A common arrangement provides that the general partner can reach a tier where it receives 50% of every incremental dollar paid to common and subordinated unit holders. These incentive distributions encourage the general partner to streamline costs, increase capital expenditures and acquire assets in order to increase the partnership's cash flow and raise the quarterly cash distribution in order to reach higher tiers. Such results benefit all security holders of the MLP.

The Fund may invest in Midstream, Upstream or Downstream MLPs. Investments in securities of MLPs involve risks that differ from an investment in common stock and debt.

• Holders of units of MLPs have more limited control rights and limited rights to vote on matters affecting the MLP as compared to holders of stock of a corporation. For example, unit holders may not elect the general partner or the directors of the general partner and they have limited ability to remove an MLP's general partner.

• MLPs are controlled by their general partners, which may be subject to conflicts of interest. General partners typically have limited fiduciary duties to an MLP, which could allow a general partner to favor its own interests over the MLP's interests.

• General partners of MLPs often have limited call rights that may require unit holders to sell their common units at an undesirable time or price.

• MLPs may issue additional common units without unit holder approval, which would dilute the interests of existing unit holders, including a Fund's ownership interest.

• The Fund may derive substantially all or a portion of its cash flow from investments in equity or debt securities of MLPs. The amount of cash that the Fund will have available to pay or distribute to you depends entirely on the ability of the MLPs that the Fund owns to make distributions to its partners and the tax character of those distributions. Neither the Fund nor the Manager has control over the actions of underlying MLPs. The amount of cash that each individual MLP can distribute to its partners will depend on the amount of cash it generates from operations, which will vary from quarter to quarter depending on factors affecting the energy infrastructure market generally and on factors affecting the particular business lines of the MLP. Available cash will also depend on the MLPs' level of operating costs (including incentive distributions to the general partner), level of capital expenditures, debt service requirements, acquisition costs (if any), fluctuations in working capital needs and other factors. The Fund's investments may not distribute the expected or anticipated levels of cash, resulting in the risk that the Fund may not be able to meet its stated investment objective.

MLP Tax Risk .

• The Fund's ability to meet its investment objective will depend on the level of taxable income, dividends and distributions it receives from the MLPs and other securities of energy infrastructure companies in which it invests. The tax benefit you are expected to derive from the Fund's investment in MLPs depends largely on the MLPs being treated as partnerships for federal income tax purposes. As a partnership, an MLP has no federal income tax liability at the entity level. If, as a result of a change in current law or a change in an MLP's underlying business mix, an MLP were treated as a corporation for federal income tax purposes, the MLP would be obligated to pay federal income tax on its income at the corporate tax rate (currently at a maximum rate of 35%). If an MLP were classified as a corporation for federal income tax purposes, the amount of cash available for distribution would be reduced and part or all of the distributions the Fund receives might be taxed entirely as dividend income. Therefore, treatment of one or more MLPs as a corporation for federal income tax purposes could affect the Fund's ability to meet its investment objective and would reduce the amount of cash available to pay or distribute to you.

• The tax treatment of publicly traded partnerships could be subject to potential legislative, judicial or administrative changes and differing interpretations, possibly on a retroactive basis. For example, members of Congress are considering substantive changes to the existing federal income tax laws that affect certain publicly traded partnerships. Any modification to the federal income tax laws and interpretations thereof may or may not be applied retroactively. Specifically, federal income tax legislation has been proposed that would eliminate partnership tax treatment for certain publicly traded partnerships and re-characterize certain types of income received from partnerships. Any such changes could negatively impact the value of an investment in MLPs and therefore the value of your investment in the Fund. In addition, there have been proposals for the elimination of tax incentives widely used by oil, gas and coal companies, and the imposition of new fees on certain energy producers. The elimination of such tax incentives and imposition of such fees could adversely affect MLPs and other natural resources sector companies in which the Fund invests and/or the natural resources sector generally.

• The Fund will be a limited partner in the MLPs in which it invests. As a result, it will be allocated a pro rata share of income, gains, losses, deductions and expenses from those MLPs. Historically, a significant portion of income from such MLPs has been offset by tax deductions. As a C corporation, the Fund will incur a current tax liability on that portion of an MLP's income and gains that is not offset by tax deductions and losses. The percentage of an MLP's income and gains which is offset by tax deductions and losses will fluctuate over time for various reasons. A significant slowdown in acquisition activity by MLPs held in the Fund's portfolio could result in a reduction of accelerated depreciation generated by new acquisitions, which may result in increased current income tax liability to the Fund.

MLP Issuer Risk . The value of an MLP security may decline for a number of reasons which directly relate to the issuer, such as management performance, financial leverage and reduced demand for the issuer's products or services.

MLP Common Units. The common units of many MLPs are listed and traded on U.S. securities exchanges, including the New York Stock Exchange, Inc. ("NYSE") and the Nasdaq National Market System ("Nasdaq"). MLP common units can be purchased through open market transactions and underwritten offerings, but may also be acquired through direct placements and privately negotiated transactions. Holders of MLP common units typically have very limited control and voting rights. Holders of such common units are typically entitled to receive the minimum quarterly distribution ("MQD"), including arrearage rights, from the issuer. Generally, an MLP must pay (or set aside for payment) the MQD to holders of common units before any distributions may be paid to subordinated unit holders. In addition, incentive distributions are typically not paid to the general partner or managing member unless the quarterly distributions on the common units exceed specified threshold levels above the MQD. In the event of liquidation, common unit holders are intended to have a preference to the remaining assets of the issuer over holders of subordinated units. MLPs also issue different classes of common units that may have different voting, trading, and distribution rights.

Energy Infrastructure and Energy Related Assets or Activities. Energy infrastructure companies are subject to risks specific to the energy and energy-related industry. Risks inherent in the energy infrastructure business of MLPs include, but are not limited to, the following:

• Processing, exploration and production, and coal MLPs may be directly affected by energy commodity prices. The volatility of commodity prices can indirectly affect certain other MLPs due to the impact of prices on the volume of commodities transported, processed, stored or distributed. Pipeline MLPs are not subject to direct commodity price exposure because they do not own the underlying energy commodity, while propane MLPs do own the underlying energy commodity. High quality MLPs are more able to mitigate or manage direct margin exposure to commodity price levels. The MLP sector can be hurt by market perception that MLPs' performance and distributions are directly tied to commodity prices.

• The profitability of MLPs, particularly processing and pipeline MLPs, may be materially impacted by the volume of natural gas or other energy commodities available for transporting, processing, storing or distributing. A significant decrease in the production of natural gas, oil, coal or other energy commodities, due to a decline in production from existing facilities, import supply disruption, depressed commodity prices or otherwise, would reduce revenue and operating income of MLPs and, therefore, the ability of MLPs to make distributions to partners.

• A decline in demand for crude oil, natural gas and refined petroleum products could adversely affect MLP revenues and cash flows. Factors that could lead to a decrease in market demand include a recession or other adverse economic conditions, an increase in the market price of the underlying commodity, higher taxes or other regulatory actions that increase costs, or a shift in consumer demand for such products. Demand may also be adversely impacted by consumer sentiment with respect to global warming and/or by any state or federal legislation intended to promote the use of alternative energy sources, such as bio-fuels.

• A portion of any one MLP's assets may be dedicated to natural gas reserves and other commodities that naturally deplete over time, which could have a materially adverse impact on an MLP's ability to make distributions if the reserves are not replaced.

• Some MLPs are dependent on third parties to conduct their exploration and production activities and shortages in crews or drilling rigs can adversely impact such MLPs.

• MLPs employ a variety of means of increasing cash flow, including increasing utilization of existing facilities, expanding operations through new construction, expanding operations through acquisitions, or securing additional long-term contracts. Thus, some MLPs may be subject to new construction risk, acquisition risk or other risk factors arising from their specific business strategies. A significant slowdown in large energy companies' disposition of energy infrastructure assets and other merger and acquisition activity in the energy MLP industry could reduce the growth rate of cash flows provided by MLPs that grow through acquisitions.

• The profitability of MLPs could be adversely affected by changes in the regulatory environment. Most MLPs' assets are heavily regulated by federal and state governments in diverse matters, such as the way in which certain MLP assets are constructed, maintained and operated and the prices MLPs may charge for their services. Such regulation can change over time in scope and intensity. For example, a particular byproduct of an MLP process may be declared hazardous by a regulatory agency and unexpectedly increase production costs. Moreover, many state and federal environmental laws provide for civil as well as regulatory remediation, thus adding to the potential exposure an MLP may face.

• Extreme weather patterns, such as hurricane Ivan in 2004 and hurricane Katrina in 2005, and environmental hazards, such as the BP oil spill in 2010, could result in significant volatility in the supply of energy and power and could adversely impact the value of the Fund's portfolio securities investments. This volatility may create fluctuations in commodity prices and earnings of companies in the energy infrastructure industry.

• A rising interest rate environment could adversely impact the performance of MLPs. Rising interest rates could limit the capital appreciation of equity units of MLPs as a result of the increased availability of alternative investments at competitive yields with MLPs. Rising interest rates also may increase an MLP's cost of capital. A higher cost of capital could limit growth from acquisition/expansion projects and limit MLP distribution growth rates.

• Since the September 11, 2001 attacks, the U.S. Government has issued public warnings indicating that energy assets, specifically those related to pipeline infrastructure, production facilities and transmission and distribution facilities, might be specific targets of terrorist activity. The continued threat of terrorism and related military activity likely will increase volatility for prices in natural gas and oil and could affect the market for products of MLPs.

Concentration Risk . Concentration risk is the risk that the Fund's investments in the securities of companies in one industry will cause the Fund to be more exposed to developments affecting a single industry or market sector than a more broadly diversified fund would be.

Deferred Tax Liability . The Fund is treated as a regular corporation, or C corporation, for U.S. federal income tax purposes. As a result, the Fund will incur tax expenses. In calculating the Fund's daily net asset value, it will, among other things, account for its deferred tax liability and/or asset balances. As a result, any deferred tax liability is reflected in the Fund's daily NAV. 

The Fund will accrue, in accordance with generally accepted accounting principles, a deferred income tax liability, at the currently effective statutory U.S. federal income tax rate (currently 35%) plus an estimated state and local income tax rate, for its future tax liability associated with the capital appreciation of its investments and the distributions received by the Fund on equity securities of MLPs considered to be return of capital and for any net operating gains. The Fund's current and deferred tax liability, if any, will depend upon the Fund's net investment gains and losses and realized and unrealized gains and losses on investments and therefore could vary greatly from year to year and from day-to-day depending on the nature of the Fund's investments, the performance of those investments and general market conditions. Any deferred tax liability balance will reduce the Fund's NAV. Upon a Fund's sale of a portfolio security, the Fund will be liable for previously deferred taxes. If the Fund is required to sell portfolio securities to meet redemption requests, the Fund may recognize gains for U.S. federal, state and local income tax purposes, which would result in corporate income taxes imposed on the Fund.

As a regular C corporation, the Fund will accrue, in accordance with generally accepted accounting principles, a deferred tax asset balance, which reflects an estimate of the Fund's future tax benefit associated with net operating losses and unrealized losses. Any deferred tax asset balance will increase the Fund's NAV. To the extent the Fund has a net deferred tax asset balance, it will assess, in accordance with generally accepted accounting principles, whether a valuation allowance, which would offset the value of some or all of that Fund's deferred tax asset balance, is required. The Fund will assess a valuation allowance to reduce some or all of the deferred tax asset balance if, based on the weight of all available evidence, both negative and positive, it is more likely than not that some or all of the deferred tax asset will not be realized. The Fund will use judgment in considering the relative impact of negative and positive evidence. The weight given to the potential effect of negative and positive evidence will be commensurate with the extent to which such evidence can be objectively verified. The Fund's assessment considers, among other matters, the nature, frequency and severity of current and cumulative losses, forecasts of future profitability (which are dependent on, among other factors, future MLP cash distributions), the duration of statutory carry forward periods and the associated risk that operating loss carry forwards may be limited or expire unused. However, this assessment generally may not consider the potential for market value increases with respect to that Fund's investments in equity securities of MLPs or any other securities or assets. Significant weight is given to the Fund's forecast of future taxable income, which is based on, among other factors, the expected continuation of MLP cash distributions at or near current levels. Consideration is also given to the effects of the potential of additional future realized and unrealized gains or losses on investments and the period over which deferred tax assets can be realized, as federal tax net operating loss carry forwards expire in twenty years and federal capital loss carry forwards expire in five years. Recovery of a deferred tax asset is dependent on continued payment of the MLP cash distributions at or near current levels in the future and the resultant generation of taxable income. The Fund will assess whether a valuation allowance is required to offset some or all of any deferred tax asset balance in connection with the calculation of the Fund's NAV per share each day; however, to the extent the final valuation allowance differs from the estimates of the Fund used in calculating the Fund's daily NAV, the application of such final valuation allowance could have a material impact on the Fund's NAV.

The following example illustrates two hypothetical trading days of the Fund and the tax effect upon the daily NAV compared to the individual securities. The examples assume a 37.0% deferred tax calculation (maximum corporate tax rate of 35% in effect for 2014 plus estimated state tax rate of 2.0%, net of federal benefit). They do not reflect the impact, if any, of any valuation allowances on deferred tax assets that management may deem appropriate.

Deferred Tax Calculation

Actual income tax expense, if any, will be incurred over many years, depending upon whether and when investment gains and losses are realized, the then-current basis of a Fund's assets and other factors. Upon the sale of an MLP security, the Fund will be liable for previously deferred taxes, if any. As a result, the Fund's actual tax liability could have a material impact on the Fund's NAV.

The Fund's deferred tax liability and/or asset balances will be estimated using estimates of effective tax rates expected to apply to taxable income in the years such balances are realized. The Fund will rely to some extent on information provided by MLPs in determining the extent to which distributions received from MLPs constitute a return of capital, which information may not be provided to the Fund on a timely basis, in order to estimate the Fund's deferred tax liability and/or asset balances for purposes of financial statement reporting and determining its NAV. If such information is not received from such MLPs on a timely basis, the Fund will estimate the extent to which distributions received from MLPs constitute a return of capital based on average historical tax characterization of distributions made by MLPs. The Fund's estimates regarding its deferred tax liability and/or asset balances are made in good faith; however, the daily estimate of each Fund's deferred tax liability and/or asset balances used to calculate each Fund's NAV could vary dramatically from each Fund's actual tax liability, and as a result, the determination of the Fund's actual tax liability may have a material impact on the Fund's NAV. Actual income tax expense, if any, will be incurred over many years, depending on if and when investment gains and losses are realized, the then-current basis of the Fund's assets and other factors. The Fund's daily NAV calculation will be based on then current estimates and assumptions regarding the Fund's deferred tax liability and/or asset balances and any applicable valuation allowance, based on all information available to that Fund at such time. From time to time, the Fund may modify its estimates or assumptions regarding its deferred tax liability and/or asset balances and any applicable valuation allowance as new information becomes available. Modifications of the Fund's estimates or assumptions regarding its deferred tax liability and/or asset balances and any applicable valuation allowance, changes in generally accepted accounting principles or related guidance or interpretations thereof, limitations imposed on net operating losses (if any) and changes in applicable tax law could result in increases or decreases in the Fund's NAV per share, which may be material.

Distribution Policy Risk . The Fund's dividend distribution policy is intended to provide investors with a dividend distribution rate similar to owning MLPs directly. Under the policy, the Fund intends to pay out a consistent dividend that over time approximates the distributions received from the Fund's portfolio investments based on, among other considerations, distributions the Fund actually received from portfolio investments, distributions it would have received if it had been fully invested at all times, and estimated future cash flows. Such dividends are not tied to the Fund's investment income and may not represent yield or investment return on the Fund's portfolio. To the extent that the dividends paid exceed the distributions the Fund receives from its underlying investments, the Fund's assets will decline. A decline in the Fund's assets may also result in an increase in the Fund's expense ratio and over time the dividends paid in excess of distributions received could erode the Fund's net asset value. The Manager seeks to generate positive investment returns (net of fund expenses) to offset the effect of dividends paid in excess of distributions from underlying investments. The Fund tactically employs cash to seek to take advantage of market opportunities, which, if successfully implemented, may offset or exceed the NAV impact of paying dividends as if the Fund had been fully invested and held no cash. There is no guarantee that investment returns and the tactical deployment of cash will produce such a result, however, and the tactical use of cash causes the Fund's assets to be less fully invested than would otherwise be the case. There is also the risk that a decline in the financial markets, particularly the energy and related industry markets, could reduce investment return and that the assumptions underlying the estimates of cash flows from portfolio holdings could be inaccurate.

Due to the tax characterization of distributions made by MLPs, the Fund anticipates that a significant portion of its distributions will constitute a of return of capital for U.S. federal income tax purposes. In general, a distribution will constitute a return of capital, rather than a qualified dividend, to the extent it exceeds the Fund's current and accumulated earnings and profits. Return of capital reduces a shareholder's adjusted cost basis in the Fund's shares. This, in turn, affects the amount of any capital gain or loss realized by the shareholder upon selling the Fund's shares and is not subject to tax currently unless the shareholder's adjusted cost basis has been reduced to zero. Once a shareholder's adjusted cost basis has been reduced to zero, return of capital will be treated as capital gains.  A return of capital does not reflect positive investment performance.

Liquidity Risk . In certain situations, it may be difficult or impossible to value or sell promptly an investment at an acceptable price. This risk can be ongoing for any security that has a limited trading market or does not trade in large volumes. In addition, it may be difficult for the Fund to buy and sell significant amounts of such securities without an unfavorable impact on prevailing market prices. As a result, these securities may be difficult to dispose of at a fair price at the times when it is desirable to sell. The Fund's investment in securities that are less actively traded or over time experience decreased trading volume may restrict its ability to take advantage of other market opportunities. This also may affect adversely the Fund's ability to make dividend distributions to you. In unusual market conditions, even normally liquid securities may be affected by a degree of liquidity risk.

     The Fund will not invest more than 15% of its net assets in illiquid securities.  The Fund's holdings of illiquid securities are monitored on an ongoing basis to determine whether to sell any of those securities to maintain adequate liquidity.

Regulatory Risk . The Fund's investment strategy subjects it to certain regulatory risks. Changes in the laws, regulations and/or related interpretations relating to the Fund's tax treatment as a C corporation or investments in MLPs or other instruments could increase the Fund's expenses, reduce its cash distributions, negatively impact the value of an investment in an MLP, or otherwise impact the Fund's ability to implement its investment strategy. The tax benefit expected to be derived from the Fund's investments is largely dependent on the MLPs in which it invests being treated as partnerships for federal income tax purposes. A change in current tax law, or a change in the underlying business mix of a given MLP, could result in an MLP being treated as a corporation for U.S. federal income tax purposes, which would result in such MLP being required to pay U.S. federal income tax on its taxable income. The classification of an MLP as a corporation for U.S. federal income tax purposes would have the effect of reducing the amount of cash available for distribution by the MLP. Thus, if any of the MLPs owned by the Fund were treated as a corporation for U.S. federal income tax purposes, it could result in a reduction of the value of the Fund's investment, and consequently a shareholder's investment in the Fund and lower income. Because MLPs' assets are heavily regulated by federal and state governments an MLPs profitability could be adversely affected by changes in the regulatory environment.

Cash and Cash Equivalents . Cash and cash equivalents include certificates of deposit, bearer deposit notes, and bankers' acceptances. Under normal market conditions the Fund can invest up to 15% of its net assets in cash and cash equivalents, including shares of Oppenheimer Institutional Money Market Fund. This strategy would be used primarily for cash management or liquidity purposes. To the extent that the Fund uses this strategy, it might reduce its opportunities to seek its investment objective.  

Other Investment Strategies and Risks. The Fund can also use the investment techniques and strategies described below. The Fund might not use all of these techniques or strategies or might only use them from time to time.

Common Stock and Other Equity Investments. Equity securities include common stock, preferred stock, rights, warrants and certain debt securities that are convertible into common stock. Equity investments may be exchange-traded or over-the-counter securities. Common stock represents an ownership interest in a company. It ranks below preferred stock and debt securities in claims for dividends and in claims for assets of the issuer in a liquidation or bankruptcy.

Preferred stock has a set dividend rate and ranks ahead of common stocks and behind debt securities in claims for dividends and for assets of the issuer in a liquidation or bankruptcy. The dividends on preferred stock may be cumulative (they remain a liability of the company until paid) or non-cumulative. The fixed dividend rate of preferred stocks may cause their prices to behave more like those of debt securities. When interest rates rise, the value of preferred stock having a fixed dividend rate tends to fall.

Warrants basically are options to purchase equity securities at specific prices valid for a specific period of time. Their prices do not necessarily move parallel to the prices of the underlying securities. Rights are similar to warrants, but normally have a short duration and are distributed directly by the issuer to its shareholders. Rights and warrants have no voting rights, receive no dividends and have no rights with respect to the assets of the issuer.

A convertible security can be converted into or exchanged for a set amount of common stock of an issuer within a particular period of time at a specified price or according to a price formula. Convertible debt securities pay interest and convertible preferred stocks pay dividends until they mature or are converted, exchanged or redeemed. Some convertible debt securities may be considered "equity equivalents" because of the feature that makes them convertible into common stock. Convertible securities may offer the Fund the ability to participate in stock market movements while also seeking some current income. Convertible securities may provide more income than common stock but they generally provide less income than comparable non-convertible debt securities. Convertible securities are subject to credit and interest rate risk, however credit ratings of convertible securities generally have less impact on the value of the securities than they do for non-convertible debt securities.

Risks of Investing in Equity Securities. Stocks and other equity securities fluctuate in price in response to changes in equity markets in general. Equity markets may experience great short-term volatility and may fall sharply at times. Different markets may behave differently from each other and U.S. equity markets may move in the opposite direction from one or more foreign markets.

The prices of equity securities generally do not all move in the same direction at the same time and a variety of factors can affect the price of a particular company's securities. These factors may include: poor earnings reports, a loss of customers, litigation, or changes in government regulations affecting the company or its industry.

At times, the Fund may emphasize investments in a particular industry or sector. To the extent that the Fund increases its emphasis on stocks in a particular industry, the value of its investments may fluctuate more in response to events affecting that industry, such as changes in economic conditions, government regulations, availability of basic resources or supplies, or other events that affect that industry more than others.

MLP Affiliates.   The   Fund may invest in the debt and equity securities of MLP affiliates and companies that own MLP general partner interests that are energy infrastructure companies. The Fund may also invest in MLP I-Shares, which represent an indirect ownership interest in MLP common units. MLP I-Shares differ from MLP common units primarily in that, instead of receiving cash distributions, holders of MLP I-Shares receive distributions in the form of additional I-Shares. Issuers of MLP I-Shares are treated as corporations and not partnerships for tax purposes. MLP affiliates also include publicly traded limited liability companies that own, directly or indirectly, general partner interests of MLPs.

Greenfield Projects . Greenfield projects are energy-related projects built by private joint ventures formed by energy infrastructure companies. Greenfield projects may include the creation of a new pipeline, processing plant or storage facility or other energy infrastructure asset that is integrated with the company's existing assets. The Fund's investments in greenfield projects may distribute income. However, the Fund's investment also may be structured as pay-in-kind securities with minimal or no cash interest or dividends until construction is completed, at which time interest payments or dividends would be paid in cash. An investment in a greenfield project entails substantial risk, including the risk that the project may not materialize due to, among other factors, financing constraints, the absence of a natural energy source, an inability to obtain the necessary governmental permits to build the project, and the failure of the technology necessary to generate the energy. The Fund's investment could lose its value in the event of a failure of a greenfield project. Greenfield projects also may be illiquid.

Investments in Other Investment Companies. The Fund can also invest in the securities of other investment companies, which can include open-end funds, closed-end funds, unit investment trusts and business development companies subject to the limits of the Investment Company Act. One reason the Fund might do so is to gain exposure to segments of the markets represented by another fund, at times when the Fund might not be able to buy the particular type of securities directly. As a shareholder of an investment company, the Fund would be subject to its ratable share of that investment company's expenses, including its advisory and administration expenses. The Fund does not intend to invest in other investment companies unless it is believed that the potential benefits of the investment justify the expenses. The Fund's investments in the securities of other investment companies are subject to the limits that apply to those types of investments under the Investment Company Act.

The Fund may also invest in Exchange Traded Funds (ETFs), which are subject to all the risks of investing in investment companies as described above. Because ETFs are listed on national stock exchanges and are traded like stocks listed on an exchange, shares of ETFs potentially may trade at a discount or a premium to their net asset value. Investments in ETFs are also subject to brokerage and other trading costs, which could result in greater expenses to the Fund.

Investments in Oppenheimer Institutional Money Market Fund. The Fund can invest its free cash balances in Class E shares of Oppenheimer Institutional Money Market Fund to provide liquidity or for defensive purposes. The Fund invests in Oppenheimer Institutional Money Market Fund, rather than purchasing individual short-term investments, to seek a higher yield than it could obtain on its own. Oppenheimer Institutional Money Market Fund is a registered open-end management investment company, regulated as a money market fund under the Investment Company Act of 1940, and is part of the Oppenheimer family of funds. It invests in a variety of short-term, high-quality, dollar-denominated money market instruments issued by the U.S. government, domestic and foreign corporations, other financial institutions, and other entities. Those investments may have a higher rate of return than the investments that would be available to the Fund directly. At the time of an investment, the Fund cannot always predict what the yield of the Oppenheimer Institutional Money Market Fund will be because of the wide variety of instruments that fund holds in its portfolio. The return on those investments may, in some cases, be lower than the return that would have been derived from other types of investments that would provide liquidity. As a shareholder, the Fund will be subject to its proportional share of the expenses of Oppenheimer Institutional Money Market Fund's Class E shares, including its advisory fee. However, the Manager will waive a portion of the Fund's advisory fee to the extent of the Fund's share of the advisory fee paid to the Manager by Oppenheimer Institutional Money Market Fund.

Private Equity and Debt Investments . The Fund can invest in private equity and debt investments, including traditional private equity control positions and minority investments in MLPs and energy infrastructure companies. Private equity and debt investments involve a high degree of business and financial risk and can result in substantial or complete losses. Some portfolio companies in which the Fund may invest may be operating at a loss or with substantial variations in operating results from period to period and may need substantial additional capital to support expansion or to achieve or maintain competitive positions. Such companies may face intense competition, including competition from companies with much greater financial resources, much more extensive development, production, marketing and service capabilities and a much larger number of qualified managerial and technical personnel. There is no assurance that the marketing efforts of any particular portfolio company will be successful or that its business will succeed. Additionally, privately held companies are not subject to Securities and Exchange Commission ("SEC") reporting requirements, are not required to maintain their accounting records in accordance with generally accepted accounting principles, and are not required to maintain effective internal controls over financial reporting. As a result, timely or accurate information may at times not be readily available about the business, financial condition and results of operations of the privately held companies in which the Fund invests. Private debt investments also are subject to interest rate risk, credit risk and duration risk.

Pay-In-Kind Securities . Pay-in-kind securities are securities that pay interest through the issuance of additional debt or equity securities. Upon maturity, the holder is entitled to receive the aggregate par value of the securities. Pay-in-kind securities may be subject to greater fluctuation in value and lesser liquidity in the event of adverse market conditions than comparably rated securities paying cash interest at regular interest payment periods. Pay-in-kind securities carry additional risk as holders of these types of securities realize no cash until the cash payment date unless a portion of such securities is sold. If the issuer defaults, the Fund may obtain no return at all on its investment. The market price of pay-in-kind securities is affected by interest rate changes to a greater extent, and therefore tends to be more volatile, than that of securities which pay interest in cash.

Private Investments in Public Equity (PIPEs). PIPEs are equity securities issued in a private placement by companies that have outstanding, publicly traded equity securities of the same class. Shares in PIPEs generally are not registered with the SEC until after a certain time period from the date the private sale is completed. PIPE transactions will generally result in the Fund acquiring either restricted stock or an instrument convertible into restricted stock. As with investments in other types of restricted securities, such an investment may be illiquid. The Fund's ability to dispose of securities acquired in PIPE transactions may depend upon the registration of such securities for resale. Any number of factors may prevent or delay a proposed registration. Alternatively, it may be possible for securities acquired in a PIPE transaction to be resold in transactions exempt from registration in accordance with Rule 144 under the Securities Act of 1933, or otherwise under the federal securities laws. There is no guarantee, however, that an active trading market for the securities will exist at the time of disposition of the securities, and the lack of such a market could hurt the market value of the Fund's investments. As a result, even if the Fund is able to have securities acquired in a PIPE transaction registered or sell such securities through an exempt transaction, the Fund may not be able to sell all the securities on short notice, and the sale of the securities could lower the market price of the securities.

Derivative Investments. The Fund may at times invest in "derivative" instruments. A derivative is an instrument whose value depends on (or is derived from) the value of an underlying security, asset, interest rate, index or currency. Derivatives may allow the Fund to increase or decrease its exposure to certain markets or risks for hedging purposes or to seek investment return.  

       Options, futures, forward contracts, swaps, "structured" notes, certain mortgage-related securities and event-linked bonds are some of the derivatives that the Fund may use. The Fund may also use other types of derivatives that are consistent with its investment strategies or hedging purposes.

Risks of Derivative Investments. Derivatives may be volatile and may involve significant risks. Derivative transactions may require the payment of premiums and can increase portfolio turnover. For example, if a call option sold by the Fund were exercised on an investment that had increased in value above the call price, the Fund would be required to sell the investment at the call price and would not be able to realize any additional profit. Certain derivative investments held by the Fund may be illiquid, making it difficult to close out an unfavorable position. The underlying security or other instrument on which a derivative is based, or the derivative itself, may not perform the way the Manager expects it to. As a result, the Fund could realize little or no income or lose principal from the investment, or a hedge might be unsuccessful. The Fund may also lose money on a derivative investment if the issuer fails to pay the amount due.

Forward Contracts. Forward contracts are foreign currency exchange contracts that are used to buy or sell foreign currency for future delivery at a fixed price. Although the Fund values its assets daily in terms of U.S. dollars, it does not intend to convert its holdings of foreign currencies into U.S. dollars on a daily basis. The Fund may use forward contracts to try to protect against declines in the U.S. dollar value of foreign securities that it owns and against increases in the dollar cost of foreign securities it anticipates buying. Although forward contracts may reduce the risk of loss from a decline in the value of the hedged currency, at the same time they limit any potential gain if the value of the hedged currency increases. Forward contracts are traded in the inter-bank market conducted directly among currency traders (usually large commercial banks) and their customers.

     Forward Contract Risks. The projection of short-term currency market movements is extremely difficult, and the successful execution of a short-term hedging strategy is highly uncertain. The precise matching of the amounts under forward contracts and the value of the securities involved generally will not be possible because the future value of securities denominated in foreign currencies will change as a consequence of market movements between the date the forward contract is entered into and the date it is sold. Investments in forward contracts involve the risk that anticipated currency movements will not be accurately predicted, causing the Fund to sustain losses on these contracts and to pay additional transaction costs.

Futures Contracts.  The Fund can buy and sell futures contracts, including financial futures contracts, currency futures contracts and commodities futures contacts. Futures contracts are agreements in which one party agrees to buy an asset from the other party at a later date at a price and quantity agreed-upon when the contract is made. Futures contracts are traded on futures exchanges, which offer a central marketplace in which to originate futures contracts and clear trades in a secondary market. Futures exchanges also provide standardization of expiration dates and contract sizes. Buyers of futures contracts do not own the underlying asset or commodity unless they decide to accept delivery at the expiration of the contract. Delivery of the underlying commodity to satisfy a commodity futures contract rarely occurs and buyers typically close-out their positions before expiration. Financial futures contracts are standardized commitments to either purchase or sell designated financial instruments at a future date for a specified price, and may be settled in cash or through delivery of the underlying instrument. Generally, the Fund expects to satisfy or offset the delivery obligations under a futures contract by taking an equal but opposite position in the futures market in the same underlying instrument. The Fund's investments in futures contracts may involve substantial risks.

     Special Risks of Futures Contracts. The volatility of futures contracts prices has been historically greater than the volatility of stocks and bonds. The liquidity of the futures market depends on participants entering into offsetting transactions rather than making or taking delivery. To the extent participants decide to make or take delivery, liquidity in the futures market could be reduced. In addition, futures exchanges often impose a maximum permissible price movement on each futures contract for each trading session. The Fund may be disadvantaged if it is prohibited from executing a trade outside the daily permissible price movement.

Put and Call Options. Put and call options may be bought or sold on futures contracts (including commodity futures contracts), commodity indices, financial indices, securities indices, currencies, financial futures, swaps and securities. A call option gives the buyer the right, but not the obligation, to purchase an underlying asset at a specified (strike) price. A put option gives the buyer the right, but not the obligation, to sell an underlying asset at a specified price. Options may be traded on a securities or futures exchange or over-the-counter. Options on commodity futures contracts are traded on the same exchange on which the underlying futures contract is listed.

Some Underlying Funds are limited to selling call options if they are "covered." For call options on securities, that means the Underlying Fund owns the securities that are subject to the call. For other types of call options, the Underlying Fund would be required to identify liquid assets to cover its obligation under the option. An Underlying Fund might have no limit on the amount of its total assets that may be subject to covered calls. Some Underlying Funds that sell put options must identify liquid assets to cover any put options they sell.

Special Risks of Options. If the Fund sells a put option, there is a risk that the Fund may be required to buy the underlying investment at a disadvantageous price. If the Fund sells a call option, there is a risk that the Fund may be required to sell the underlying investment at a disadvantageous price. If the Fund sells a call option on an investment that the Fund owns (a "covered call") and the investment has increased in value when the call option is exercised, the Fund will be required to sell the investment at the call price and will not be able to realize any of the investment's value above the call price. Options may involve economic leverage, which could result in greater price volatility than other investments.

   "Structured" Notes. "Structured" notes are specially-designed derivative debt instruments. The terms of the instrument may be determined or "structured" by the purchaser and the issuer of the note. Payments of principal or interest on these notes may be linked to the value of an index (such as a currency or securities index), one or more securities, a commodity or the financial performance of one or more obligors. The value of these notes will normally rise or fall in response to the changes in the performance of the underlying security, index, commodity or obligor.

Swap Transactions.  Under financial reform legislation currently being implemented, certain types of swaps are (or soon will be) required to be executed on a regulated market and/or cleared through a clearinghouse, which may affect counterparty risk and other risks faced by the Fund, and could result in increased margin requirements and costs for the Fund. Swap agreements are privately negotiated in the over-the-counter market and may be entered into as a bilateral contract or may be centrally cleared. In a cleared swap, immediately following execution of the swap agreement, the swap agreement is submitted for clearing to a clearing house, and the Fund faces the clearinghouse by means of a Fund account with a futures commission merchant that is a member of the clearinghouse. Because the regulations regarding centrally cleared swaps have not yet been fully implemented, the scope of potential risks, including risks relating to the use of clearinghouses and futures commission merchants, is unclear.

Hedging.  Hedging transactions are intended to reduce the risks of securities in the Fund's portfolio. If the Fund uses a hedging instrument at the wrong time or judges market conditions incorrectly, however, the hedge might be unsuccessful or could reduce the Fund's return or create a loss.

Changes To The Fund's Investment Policies. The Fund's fundamental investment policies cannot be changed without the approval of a majority of the Fund's outstanding voting shares, however, the Fund's Board can change non-fundamental policies without a shareholder vote. Significant policy changes will be described in supplements to this prospectus. Shareholders will receive 60 days' advance notice of any change in the 80% investment policy described in "Principal Investment Strategies." The Fund's investment objective is not a fundamental policy. Investment restrictions that are fundamental policies are listed in the Fund's Statement of Additional Information. An investment policy or restriction is not fundamental unless this prospectus or the Statement of Additional Information states that it is.

Conflicts of Interest. The investment activities of the Manager and its affiliates in regard to other accounts they manage may present conflicts of interest that could disadvantage the Fund and its shareholders. The Manager and its affiliates may provide investment advisory services to other funds and accounts that have investment objectives or strategies that differ from, or are contrary to, those of the Fund. That may result in another fund or account holding investment positions that are adverse to the Fund's investment strategies or activities. Other funds or accounts advised by the Manager and its affiliates may have conflicting interests arising from investment objectives that are similar to those of the Fund. Those funds and accounts may engage in, and compete for, the same types of securities or other investments as the Fund or invest in securities of the same issuers that have different, and possibly conflicting, characteristics. The trading and other investment activities of those other funds or accounts may be carried out without regard to the investment activities of the Fund and, as a result, the value of securities held by the Fund or the Fund's investment strategies may be adversely affected. The Fund's investment performance will usually differ from the performance of other accounts advised by the Manager or its affiliates and the Fund may experience losses during periods in which other accounts they advise achieve gains. The Manager has adopted policies and procedures designed to address potential identified conflicts of interest, however, such policies and procedures may also limit the Fund's investment activities and affect its performance.

Temporary Defensive and Interim Investments. For temporary defensive purposes in times of adverse or unstable market, economic or political conditions, the Fund can invest up to 100% of its total assets in investments that may be inconsistent with the Fund's principal investment strategies. Generally, the Fund would invest in shares of Oppenheimer Institutional Money Market Fund or in the types of money market instruments in which Oppenheimer Institutional Money Market Fund invests or in other short-term U.S. government securities. The Fund might also hold these types of securities as interim investments pending the investment of proceeds from the sale of Fund shares or the sale of Fund portfolio securities or to meet anticipated redemptions of Fund shares. To the extent the Fund invests in these securities, it might not achieve its investment objective.

Portfolio Holdings.  The Fund's portfolio holdings are included in its semi-annual and annual reports that are distributed to its shareholders within 60 days after the close of the applicable reporting period. The Fund also discloses its portfolio holdings in its Schedule of Investments on Form N-Q, which are public filings that are required to be made with the Securities and Exchange Commission within 60 days after the end of the Fund's first and third fiscal quarters. Therefore, the Fund's portfolio holdings are made publicly available no later than 60 days after the end of each of its fiscal quarters. In addition, the Fund's portfolio holdings information, as of the end of each calendar month, may be posted and available on the Fund's website no sooner than 30 days after the end of each calendar month.    

A description of the Fund's policies and procedures with respect to the disclosure of its portfolio holdings is available in the Fund's Statement of Additional Information.

Illiquid and Restricted Securities. Investments that do not have an active trading market, or that have legal or contractual limitations on their resale, are generally referred to as "illiquid" securities. Illiquid securities may be difficult to value or to sell promptly at an acceptable price or may require registration under applicable securities laws before they can be sold publicly. Securities that have limitations on their resale are referred to as "restricted securities." Certain restricted securities that are eligible for resale to qualified institutional purchasers may not be regarded as illiquid.

     The Fund will not invest more than 15% of its net assets in illiquid securities.  The Fund's holdings of illiquid securities are monitored on an ongoing basis to determine whether to sell any of those securities to maintain adequate liquidity.

How the Fund is Managed

THE MANAGER. OFI SteelPath, Inc., the Manager, is a wholly-owned subsidiary of OppenheimerFunds, Inc. The Manager oversees the Fund's investments and its business operations, chooses the Fund's investments and provides related advisory services. The Manager carries out its duties, subject to the policies established by the Fund's Board, under an investment advisory agreement with the Fund that states the Manager's responsibilities. The agreement sets the fees the Fund pays to the Manager and describes the expenses that the Fund is responsible to pay to conduct its business.

The Manager has been an investment adviser since 2010. The Manager is located at 2100 McKinney Avenue, Suite 1401, Dallas, TX 75201 and is a successor to SteelPath Fund Advisors, LLC and SteelPath Capital Management, LLC, which were established in 2009 and 2004, respectively.

Advisory Fees . Under the investment advisory agreement, the Fund pays the Manager an advisory fee at an annual rate that declines on additional assets as the Fund grows: 0.70% of the first $3 billion of average annual net assets of the Fund, 0.68% of the next $2 billion and 0.65% of average annual net assets in excess of $5 billion, calculated on the daily net assets of the Fund. The Fund's advisory fee for the fiscal year ended November 30, 2013 was 0.70% of average annual net assets, before any applicable waivers.

After discussions with the Fund's Board of Trustees, the Manager has contractually agreed to waive fees and/or reimburse the Fund for certain expenses in order to limit "Total Annual Fund Operating Expenses After Fee Waiver and/or Expense Reimbursement" (excluding interest expenses, taxes, such as deferred tax expenses, brokerage commissions, acquired fund fees and expenses, dividend costs related to short sales and extraordinary expenses, such as litigation expenses, if any) to annual rates of 1.10% for Class A shares, 1.85% for Class C shares, and 0.85% for both Class Y and Class W shares, as calculated on the daily net assets of the Fund. The Manager can be reimbursed by the Fund within three years after the date the fee limitation and/or expense reimbursement has been made by the Manager, provided that such repayment does not cause the expenses of any class of the Fund to exceed the foregoing limits. The waiver does not apply to Class I shares. This fee waiver and/or expense reimbursement may not be amended or withdrawn prior to March 29, 2015, unless approved by the Board.The Fund's other annual operating expenses may vary in future years.

A discussion regarding the basis for the Board's approval of the Fund's investment advisory contract is available in the Fund's shareholder report.

Portfolio Managers . The Fund's portfolio is team managed by Stuart Cartner and Brian Watson, who are primarily responsible for the day-to-day management of the Fund's portfolio. Each have been portfolio managers of the Fund since its inception.

Mr. Cartner has been a Vice President of the Manager since 2012. Prior to joining the Manager, he was a member and portfolio manager of SFA since its formation in 2009 and SCM since 2007. Prior to joining SCM, Mr. Cartner was a Vice President in the Private Wealth Management Division of Goldman, Sachs & Co from 1988 to 2007. Mr. Cartner is a portfolio manager of other portfolios in the OppenheimerFunds complex.

Mr. Watson has been a Vice President of the Manager since 2012. Prior to joining the Manager, he was a member, portfolio manager and Director of Research of SFA since its formation in 2009. Prior to joining SFA, from 2005 to 2009 Mr. Watson was a portfolio manager at Swank Capital LLC, a Dallas, Texas based investment firm. Mr. Watson is a portfolio manager of other portfolios in the OppenheimerFunds complex.

     The Statement of Additional Information provides additional information about portfolio manager compensation, other accounts managed and ownership of Fund shares.

MORE ABOUT YOUR ACCOUNT

About Your Account

Where Can You Buy Fund Shares? Oppenheimer funds may be purchased either directly or through a variety of "financial intermediaries" that offer Fund shares to their clients. Financial intermediaries include securities dealers, financial advisors, brokers, banks, trust companies, insurance companies and the sponsors of fund "supermarkets," fee-based advisory or wrap fee-based programs or college and retirement savings programs.

Certain sales charge waivers may apply to purchases or redemptions of Class A or Class C shares. More information about those waivers is available in the Fund's Statement of Additional Information, or by clicking on the hyperlink "Sales Charges & Breakpoints" under the heading "Fund Information" on the OppenheimerFunds website at "www.oppenheimerfunds.com."

What is the Minimum Investment.  You can buy most Fund share classes with a minimum initial investment of $1,000. For Class I shares the minimum initial investment is $5 million per account. The Class I share minimum initial investment is waived for retirement plan service provider platforms. Reduced initial minimums are available for other share classes in certain circumstances, including the following:

• Traditional and Roth IRA accounts as well as Asset Builder Plan, Automatic Exchange Plan and government allotment plan accounts may be opened with a minimum initial investment of $500.

• For wrap fee-based programs, salary reduction plans and other retirement plans and accounts, there is no minimum initial investment.

There are no subsequent purchase minimums.

Minimum Account Balance. The minimum account balance on Fund accounts is $500.  Small accounts may be involuntarily redeemed by the Fund if the value has fallen below $500 for reasons other than a decline in the market value of the shares.  No minimum balance fee is assessed on any Fund account.

      The minimum account balance for Class I shares is $2.5 million. If a Class I account balance falls below $2.5 million, the account may be involuntarily redeemed or converted into a Class Y share account. This minimum balance policy does not apply to accounts for which the minimum initial investment is waived.  

THE FUND SUMMARY

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 the 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 9% of the average value of its portfolio.

MORE ABOUT THE FUND

About the Fund's Investments

The allocation of the Fund's portfolio among different types of investments will vary over time and the Fund's portfolio might not always include all of the different types of investments described below. The Statement of Additional Information contains additional information about the Fund's investment policies and risks.

The Fund's Principal Investment Strategies and Risks.  The following strategies and types of investments are the ones that the Fund considers to be the most important in seeking to achieve its investment objective and the following risks are those the Fund expects its portfolio to be subject to as a whole.

Master Limited Partnerships . MLPs are publicly traded partnerships engaged in the transportation, storage, processing, refining, marketing, exploration, production, and mining of minerals and natural resources. By confining their operations to these specific activities, their interests, or units, are able to trade on public securities exchanges exactly like the shares of a corporation, without entity level taxation. Of the MLPs that the Manager follows, approximately two-thirds trade on the NYSE and the rest trade on Amex or NASDAQ. MLPs' disclosures are regulated by the SEC and MLPs must file Form 10-Ks, Form 10-Qs, and notices of material changes like any publicly traded corporation. MLPs also must comply with certain requirements applicable to public companies under the Sarbanes Oxley Act of 2002. 

To qualify as a MLP and to not be taxed as a corporation, a partnership must receive at least 90% of its income from qualifying sources as set forth in Section 7704(d) of the Internal Revenue Code of 1986 ("Code"). These qualifying sources include natural resource-based activities such as the exploration, development, mining, production, processing, refining, transportation, storage and marketing of mineral or natural resources. MLPs generally have two classes of owners, the general partner and limited partners. The general partner is typically owned by a major energy company, an investment fund, the direct management of the MLP or is an entity owned by one or more of such parties. The general partner may be structured as a private or publicly traded corporation or other entity. The general partner typically controls the operations and management of the MLP through an up to 2% equity interest in the MLP plus, in many cases, ownership of common units and subordinated units. Limited partners typically own the remainder of the partnership, through ownership of common units, and have a limited role in the partnership's operations and management. 

MLPs are typically structured such that common units and general partner interests have first priority to receive quarterly cash distributions up to an established minimum amount ("minimum quarterly distributions" or "MQD"). Common and general partner interests also accrue arrearages in distributions to the extent the MQD is not paid. Once common and general partner interests have been paid, subordinated units receive distributions of up to the MQD; however, subordinated units do not accrue arrearages. Distributable cash in excess of the MQD paid to both common and subordinated units is distributed to both common and subordinated units generally on a pro rata basis. The general partner is also eligible to receive incentive distributions if the general partner operates the business in a manner which results in distributions paid per common unit surpassing specified target levels. As the general partner increases cash distributions to the limited partners, the general partner receives an increasingly higher percentage of the incremental cash distributions. A common arrangement provides that the general partner can reach a tier where it receives 50% of every incremental dollar paid to common and subordinated unit holders. These incentive distributions encourage the general partner to streamline costs, increase capital expenditures and acquire assets in order to increase the partnership's cash flow and raise the quarterly cash distribution in order to reach higher tiers. Such results benefit all security holders of the MLP.

The Fund may invest in Midstream, Upstream or Downstream MLPs. Investments in securities of MLPs involve risks that differ from an investment in common stock and debt.

• Holders of units of MLPs have more limited control rights and limited rights to vote on matters affecting the MLP as compared to holders of stock of a corporation. For example, unit holders may not elect the general partner or the directors of the general partner and they have limited ability to remove an MLP's general partner.

• MLPs are controlled by their general partners, which may be subject to conflicts of interest. General partners typically have limited fiduciary duties to an MLP, which could allow a general partner to favor its own interests over the MLP's interests.

• General partners of MLPs often have limited call rights that may require unit holders to sell their common units at an undesirable time or price.

• MLPs may issue additional common units without unit holder approval, which would dilute the interests of existing unit holders, including a Fund's ownership interest.

• The Fund may derive substantially all or a portion of its cash flow from investments in equity or debt securities of MLPs. The amount of cash that the Fund will have available to pay or distribute to you depends entirely on the ability of the MLPs that the Fund owns to make distributions to its partners and the tax character of those distributions. Neither the Fund nor the Manager has control over the actions of underlying MLPs. The amount of cash that each individual MLP can distribute to its partners will depend on the amount of cash it generates from operations, which will vary from quarter to quarter depending on factors affecting the energy infrastructure market generally and on factors affecting the particular business lines of the MLP. Available cash will also depend on the MLPs' level of operating costs (including incentive distributions to the general partner), level of capital expenditures, debt service requirements, acquisition costs (if any), fluctuations in working capital needs and other factors. The Fund's investments may not distribute the expected or anticipated levels of cash, resulting in the risk that the Fund may not be able to meet its stated investment objective.

MLP Tax Risk .

• The Fund's ability to meet its investment objective will depend on the level of taxable income, dividends and distributions it receives from the MLPs and other securities of energy infrastructure companies in which it invests. The tax benefit you are expected to derive from the Fund's investment in MLPs depends largely on the MLPs being treated as partnerships for federal income tax purposes. As a partnership, an MLP has no federal income tax liability at the entity level. If, as a result of a change in current law or a change in an MLP's underlying business mix, an MLP were treated as a corporation for federal income tax purposes, the MLP would be obligated to pay federal income tax on its income at the corporate tax rate (currently at a maximum rate of 35%). If an MLP were classified as a corporation for federal income tax purposes, the amount of cash available for distribution would be reduced and part or all of the distributions the Fund receives might be taxed entirely as dividend income. Therefore, treatment of one or more MLPs as a corporation for federal income tax purposes could affect the Fund's ability to meet its investment objective and would reduce the amount of cash available to pay or distribute to you.

• The tax treatment of publicly traded partnerships could be subject to potential legislative, judicial or administrative changes and differing interpretations, possibly on a retroactive basis. For example, members of Congress are considering substantive changes to the existing federal income tax laws that affect certain publicly traded partnerships. Any modification to the federal income tax laws and interpretations thereof may or may not be applied retroactively. Specifically, federal income tax legislation has been proposed that would eliminate partnership tax treatment for certain publicly traded partnerships and re-characterize certain types of income received from partnerships. Any such changes could negatively impact the value of an investment in MLPs and therefore the value of your investment in the Fund. In addition, there have been proposals for the elimination of tax incentives widely used by oil, gas and coal companies, and the imposition of new fees on certain energy producers. The elimination of such tax incentives and imposition of such fees could adversely affect MLPs and other natural resources sector companies in which the Fund invests and/or the natural resources sector generally.

• The Fund will be a limited partner in the MLPs in which it invests. As a result, it will be allocated a pro rata share of income, gains, losses, deductions and expenses from those MLPs. Historically, a significant portion of income from such MLPs has been offset by tax deductions. As a C corporation, the Fund will incur a current tax liability on that portion of an MLP's income and gains that is not offset by tax deductions and losses. The percentage of an MLP's income and gains which is offset by tax deductions and losses will fluctuate over time for various reasons. A significant slowdown in acquisition activity by MLPs held in the Fund's portfolio could result in a reduction of accelerated depreciation generated by new acquisitions, which may result in increased current income tax liability to the Fund.

MLP Issuer Risk . The value of an MLP security may decline for a number of reasons which directly relate to the issuer, such as management performance, financial leverage and reduced demand for the issuer's products or services.

MLP Common Units. The common units of many MLPs are listed and traded on U.S. securities exchanges, including the New York Stock Exchange, Inc. ("NYSE") and the Nasdaq National Market System ("Nasdaq"). MLP common units can be purchased through open market transactions and underwritten offerings, but may also be acquired through direct placements and privately negotiated transactions. Holders of MLP common units typically have very limited control and voting rights. Holders of such common units are typically entitled to receive the minimum quarterly distribution ("MQD"), including arrearage rights, from the issuer. Generally, an MLP must pay (or set aside for payment) the MQD to holders of common units before any distributions may be paid to subordinated unit holders. In addition, incentive distributions are typically not paid to the general partner or managing member unless the quarterly distributions on the common units exceed specified threshold levels above the MQD. In the event of liquidation, common unit holders are intended to have a preference to the remaining assets of the issuer over holders of subordinated units. MLPs also issue different classes of common units that may have different voting, trading, and distribution rights.

Energy Infrastructure and Energy Related Assets or Activities. Energy infrastructure companies are subject to risks specific to the energy and energy-related industry. Risks inherent in the energy infrastructure business of MLPs include, but are not limited to, the following:

• Processing, exploration and production, and coal MLPs may be directly affected by energy commodity prices. The volatility of commodity prices can indirectly affect certain other MLPs due to the impact of prices on the volume of commodities transported, processed, stored or distributed. Pipeline MLPs are not subject to direct commodity price exposure because they do not own the underlying energy commodity, while propane MLPs do own the underlying energy commodity. High quality MLPs are more able to mitigate or manage direct margin exposure to commodity price levels. The MLP sector can be hurt by market perception that MLPs' performance and distributions are directly tied to commodity prices.

• The profitability of MLPs, particularly processing and pipeline MLPs, may be materially impacted by the volume of natural gas or other energy commodities available for transporting, processing, storing or distributing. A significant decrease in the production of natural gas, oil, coal or other energy commodities, due to a decline in production from existing facilities, import supply disruption, depressed commodity prices or otherwise, would reduce revenue and operating income of MLPs and, therefore, the ability of MLPs to make distributions to partners.

• A decline in demand for crude oil, natural gas and refined petroleum products could adversely affect MLP revenues and cash flows. Factors that could lead to a decrease in market demand include a recession or other adverse economic conditions, an increase in the market price of the underlying commodity, higher taxes or other regulatory actions that increase costs, or a shift in consumer demand for such products. Demand may also be adversely impacted by consumer sentiment with respect to global warming and/or by any state or federal legislation intended to promote the use of alternative energy sources, such as bio-fuels.

• A portion of any one MLP's assets may be dedicated to natural gas reserves and other commodities that naturally deplete over time, which could have a materially adverse impact on an MLP's ability to make distributions if the reserves are not replaced.

• Some MLPs are dependent on third parties to conduct their exploration and production activities and shortages in crews or drilling rigs can adversely impact such MLPs.

• MLPs employ a variety of means of increasing cash flow, including increasing utilization of existing facilities, expanding operations through new construction, expanding operations through acquisitions, or securing additional long-term contracts. Thus, some MLPs may be subject to new construction risk, acquisition risk or other risk factors arising from their specific business strategies. A significant slowdown in large energy companies' disposition of energy infrastructure assets and other merger and acquisition activity in the energy MLP industry could reduce the growth rate of cash flows provided by MLPs that grow through acquisitions.

• The profitability of MLPs could be adversely affected by changes in the regulatory environment. Most MLPs' assets are heavily regulated by federal and state governments in diverse matters, such as the way in which certain MLP assets are constructed, maintained and operated and the prices MLPs may charge for their services. Such regulation can change over time in scope and intensity. For example, a particular byproduct of an MLP process may be declared hazardous by a regulatory agency and unexpectedly increase production costs. Moreover, many state and federal environmental laws provide for civil as well as regulatory remediation, thus adding to the potential exposure an MLP may face.

• Extreme weather patterns, such as hurricane Ivan in 2004 and hurricane Katrina in 2005, and environmental hazards, such as the BP oil spill in 2010, could result in significant volatility in the supply of energy and power and could adversely impact the value of the Fund's portfolio securities investments. This volatility may create fluctuations in commodity prices and earnings of companies in the energy infrastructure industry.

• A rising interest rate environment could adversely impact the performance of MLPs. Rising interest rates could limit the capital appreciation of equity units of MLPs as a result of the increased availability of alternative investments at competitive yields with MLPs. Rising interest rates also may increase an MLP's cost of capital. A higher cost of capital could limit growth from acquisition/expansion projects and limit MLP distribution growth rates.

• Since the September 11, 2001 attacks, the U.S. Government has issued public warnings indicating that energy assets, specifically those related to pipeline infrastructure, production facilities and transmission and distribution facilities, might be specific targets of terrorist activity. The continued threat of terrorism and related military activity likely will increase volatility for prices in natural gas and oil and could affect the market for products of MLPs.

Concentration Risk . Concentration risk is the risk that the Fund's investments in the securities of companies in one industry will cause the Fund to be more exposed to developments affecting a single industry or market sector than a more broadly diversified fund would be.

Deferred Tax Liability . The Fund is treated as a regular corporation, or C corporation, for U.S. federal income tax purposes. As a result, the Fund will incur tax expenses. In calculating the Fund's daily net asset value, it will, among other things, account for its deferred tax liability and/or asset balances. As a result, any deferred tax liability is reflected in the Fund's daily NAV. 

The Fund will accrue, in accordance with generally accepted accounting principles, a deferred income tax liability, at the currently effective statutory U.S. federal income tax rate (currently 35%) plus an estimated state and local income tax rate, for its future tax liability associated with the capital appreciation of its investments and the distributions received by the Fund on equity securities of MLPs considered to be return of capital and for any net operating gains. The Fund's current and deferred tax liability, if any, will depend upon the Fund's net investment gains and losses and realized and unrealized gains and losses on investments and therefore could vary greatly from year to year and from day-to-day depending on the nature of the Fund's investments, the performance of those investments and general market conditions. Any deferred tax liability balance will reduce the Fund's NAV. Upon a Fund's sale of a portfolio security, the Fund will be liable for previously deferred taxes. If the Fund is required to sell portfolio securities to meet redemption requests, the Fund may recognize gains for U.S. federal, state and local income tax purposes, which would result in corporate income taxes imposed on the Fund.

As a regular C corporation, the Fund will accrue, in accordance with generally accepted accounting principles, a deferred tax asset balance, which reflects an estimate of the Fund's future tax benefit associated with net operating losses and unrealized losses. Any deferred tax asset balance will increase the Fund's NAV. To the extent the Fund has a net deferred tax asset balance, it will assess, in accordance with generally accepted accounting principles, whether a valuation allowance, which would offset the value of some or all of that Fund's deferred tax asset balance, is required. The Fund will assess a valuation allowance to reduce some or all of the deferred tax asset balance if, based on the weight of all available evidence, both negative and positive, it is more likely than not that some or all of the deferred tax asset will not be realized. The Fund will use judgment in considering the relative impact of negative and positive evidence. The weight given to the potential effect of negative and positive evidence will be commensurate with the extent to which such evidence can be objectively verified. The Fund's assessment considers, among other matters, the nature, frequency and severity of current and cumulative losses, forecasts of future profitability (which are dependent on, among other factors, future MLP cash distributions), the duration of statutory carry forward periods and the associated risk that operating loss carry forwards may be limited or expire unused. However, this assessment generally may not consider the potential for market value increases with respect to that Fund's investments in equity securities of MLPs or any other securities or assets. Significant weight is given to the Fund's forecast of future taxable income, which is based on, among other factors, the expected continuation of MLP cash distributions at or near current levels. Consideration is also given to the effects of the potential of additional future realized and unrealized gains or losses on investments and the period over which deferred tax assets can be realized, as federal tax net operating loss carry forwards expire in twenty years and federal capital loss carry forwards expire in five years. Recovery of a deferred tax asset is dependent on continued payment of the MLP cash distributions at or near current levels in the future and the resultant generation of taxable income. The Fund will assess whether a valuation allowance is required to offset some or all of any deferred tax asset balance in connection with the calculation of the Fund's NAV per share each day; however, to the extent the final valuation allowance differs from the estimates of the Fund used in calculating the Fund's daily NAV, the application of such final valuation allowance could have a material impact on the Fund's NAV.

The following example illustrates two hypothetical trading days of the Fund and the tax effect upon the daily NAV compared to the individual securities. The examples assume a 37.0% deferred tax calculation (maximum corporate tax rate of 35% in effect for 2014 plus estimated state tax rate of 2.0%, net of federal benefit). They do not reflect the impact, if any, of any valuation allowances on deferred tax assets that management may deem appropriate.

Deferred Tax Calculation

Actual income tax expense, if any, will be incurred over many years, depending upon whether and when investment gains and losses are realized, the then-current basis of a Fund's assets and other factors. Upon the sale of an MLP security, the Fund will be liable for previously deferred taxes, if any. As a result, the Fund's actual tax liability could have a material impact on the Fund's NAV.

The Fund's deferred tax liability and/or asset balances will be estimated using estimates of effective tax rates expected to apply to taxable income in the years such balances are realized. The Fund will rely to some extent on information provided by MLPs in determining the extent to which distributions received from MLPs constitute a return of capital, which information may not be provided to the Fund on a timely basis, in order to estimate the Fund's deferred tax liability and/or asset balances for purposes of financial statement reporting and determining its NAV. If such information is not received from such MLPs on a timely basis, the Fund will estimate the extent to which distributions received from MLPs constitute a return of capital based on average historical tax characterization of distributions made by MLPs. The Fund's estimates regarding its deferred tax liability and/or asset balances are made in good faith; however, the daily estimate of each Fund's deferred tax liability and/or asset balances used to calculate each Fund's NAV could vary dramatically from each Fund's actual tax liability, and as a result, the determination of the Fund's actual tax liability may have a material impact on the Fund's NAV. Actual income tax expense, if any, will be incurred over many years, depending on if and when investment gains and losses are realized, the then-current basis of the Fund's assets and other factors. The Fund's daily NAV calculation will be based on then current estimates and assumptions regarding the Fund's deferred tax liability and/or asset balances and any applicable valuation allowance, based on all information available to that Fund at such time. From time to time, the Fund may modify its estimates or assumptions regarding its deferred tax liability and/or asset balances and any applicable valuation allowance as new information becomes available. Modifications of the Fund's estimates or assumptions regarding its deferred tax liability and/or asset balances and any applicable valuation allowance, changes in generally accepted accounting principles or related guidance or interpretations thereof, limitations imposed on net operating losses (if any) and changes in applicable tax law could result in increases or decreases in the Fund's NAV per share, which may be material.

Distribution Policy Risk . The Fund's dividend distribution policy is intended to provide investors with a dividend distribution rate similar to owning MLPs directly. Under the policy, the Fund intends to pay out a consistent dividend that over time approximates the distributions received from the Fund's portfolio investments based on, among other considerations, distributions the Fund actually received from portfolio investments, distributions it would have received if it had been fully invested at all times, and estimated future cash flows. Such dividends are not tied to the Fund's investment income and may not represent yield or investment return on the Fund's portfolio. To the extent that the dividends paid exceed the distributions the Fund receives from its underlying investments, the Fund's assets will decline. A decline in the Fund's assets may also result in an increase in the Fund's expense ratio and over time the dividends paid in excess of distributions received could erode the Fund's net asset value. The Manager seeks to generate positive investment returns (net of fund expenses) to offset the effect of dividends paid in excess of distributions from underlying investments. The Fund tactically employs cash to seek to take advantage of market opportunities, which, if successfully implemented, may offset or exceed the NAV impact of paying dividends as if the Fund had been fully invested and held no cash. There is no guarantee that investment returns and the tactical deployment of cash will produce such a result, however, and the tactical use of cash causes the Fund's assets to be less fully invested than would otherwise be the case. There is also the risk that a decline in the financial markets, particularly the energy and related industry markets, could reduce investment return and that the assumptions underlying the estimates of cash flows from portfolio holdings could be inaccurate.

Due to the tax characterization of distributions made by MLPs, the Fund anticipates that a significant portion of its distributions will constitute a of return of capital for U.S. federal income tax purposes. In general, a distribution will constitute a return of capital, rather than a qualified dividend, to the extent it exceeds the Fund's current and accumulated earnings and profits. Return of capital reduces a shareholder's adjusted cost basis in the Fund's shares. This, in turn, affects the amount of any capital gain or loss realized by the shareholder upon selling the Fund's shares and is not subject to tax currently unless the shareholder's adjusted cost basis has been reduced to zero. Once a shareholder's adjusted cost basis has been reduced to zero, return of capital will be treated as capital gains.  A return of capital does not reflect positive investment performance.

Liquidity Risk . In certain situations, it may be difficult or impossible to value or sell promptly an investment at an acceptable price. This risk can be ongoing for any security that has a limited trading market or does not trade in large volumes. In addition, it may be difficult for the Fund to buy and sell significant amounts of such securities without an unfavorable impact on prevailing market prices. As a result, these securities may be difficult to dispose of at a fair price at the times when it is desirable to sell. The Fund's investment in securities that are less actively traded or over time experience decreased trading volume may restrict its ability to take advantage of other market opportunities. This also may affect adversely the Fund's ability to make dividend distributions to you. In unusual market conditions, even normally liquid securities may be affected by a degree of liquidity risk.

     The Fund will not invest more than 15% of its net assets in illiquid securities.  The Fund's holdings of illiquid securities are monitored on an ongoing basis to determine whether to sell any of those securities to maintain adequate liquidity.

Regulatory Risk . The Fund's investment strategy subjects it to certain regulatory risks. Changes in the laws, regulations and/or related interpretations relating to the Fund's tax treatment as a C corporation or investments in MLPs or other instruments could increase the Fund's expenses, reduce its cash distributions, negatively impact the value of an investment in an MLP, or otherwise impact the Fund's ability to implement its investment strategy. The tax benefit expected to be derived from the Fund's investments is largely dependent on the MLPs in which it invests being treated as partnerships for federal income tax purposes. A change in current tax law, or a change in the underlying business mix of a given MLP, could result in an MLP being treated as a corporation for U.S. federal income tax purposes, which would result in such MLP being required to pay U.S. federal income tax on its taxable income. The classification of an MLP as a corporation for U.S. federal income tax purposes would have the effect of reducing the amount of cash available for distribution by the MLP. Thus, if any of the MLPs owned by the Fund were treated as a corporation for U.S. federal income tax purposes, it could result in a reduction of the value of the Fund's investment, and consequently a shareholder's investment in the Fund and lower income. Because MLPs' assets are heavily regulated by federal and state governments an MLPs profitability could be adversely affected by changes in the regulatory environment.

Cash and Cash Equivalents . Cash and cash equivalents include certificates of deposit, bearer deposit notes, and bankers' acceptances. Under normal market conditions the Fund can invest up to 15% of its net assets in cash and cash equivalents, including shares of Oppenheimer Institutional Money Market Fund. This strategy would be used primarily for cash management or liquidity purposes. To the extent that the Fund uses this strategy, it might reduce its opportunities to seek its investment objective.  

Risks of Non-Diversification. The Fund is classified as a "non-diversified" fund under the Investment Company Act of 1940. Accordingly, the Fund may invest a greater portion of its assets in the securities of a single issuer than if it were a "diversified" fund. To the extent that the Fund invests a higher percentage of its assets in the securities of a single issuer, the Fund is more subject to the risks associated with and developments affecting that issuer than a fund that invests more widely.

Other Investment Strategies and Risks. The Fund can also use the investment techniques and strategies described below. The Fund might not use all of these techniques or strategies or might only use them from time to time.

Common Stock and Other Equity Investments. Equity securities include common stock, preferred stock, rights, warrants and certain debt securities that are convertible into common stock. Equity investments may be exchange-traded or over-the-counter securities. Common stock represents an ownership interest in a company. It ranks below preferred stock and debt securities in claims for dividends and in claims for assets of the issuer in a liquidation or bankruptcy.

Preferred stock has a set dividend rate and ranks ahead of common stocks and behind debt securities in claims for dividends and for assets of the issuer in a liquidation or bankruptcy. The dividends on preferred stock may be cumulative (they remain a liability of the company until paid) or non-cumulative. The fixed dividend rate of preferred stocks may cause their prices to behave more like those of debt securities. When interest rates rise, the value of preferred stock having a fixed dividend rate tends to fall.

Warrants basically are options to purchase equity securities at specific prices valid for a specific period of time. Their prices do not necessarily move parallel to the prices of the underlying securities. Rights are similar to warrants, but normally have a short duration and are distributed directly by the issuer to its shareholders. Rights and warrants have no voting rights, receive no dividends and have no rights with respect to the assets of the issuer.

A convertible security can be converted into or exchanged for a set amount of common stock of an issuer within a particular period of time at a specified price or according to a price formula. Convertible debt securities pay interest and convertible preferred stocks pay dividends until they mature or are converted, exchanged or redeemed. Some convertible debt securities may be considered "equity equivalents" because of the feature that makes them convertible into common stock. Convertible securities may offer the Fund the ability to participate in stock market movements while also seeking some current income. Convertible securities may provide more income than common stock but they generally provide less income than comparable non-convertible debt securities. Convertible securities are subject to credit and interest rate risk, however credit ratings of convertible securities generally have less impact on the value of the securities than they do for non-convertible debt securities.

Risks of Investing in Equity Securities. Stocks and other equity securities fluctuate in price in response to changes in equity markets in general. Equity markets may experience great short-term volatility and may fall sharply at times. Different markets may behave differently from each other and U.S. equity markets may move in the opposite direction from one or more foreign markets.

The prices of equity securities generally do not all move in the same direction at the same time and a variety of factors can affect the price of a particular company's securities. These factors may include: poor earnings reports, a loss of customers, litigation, or changes in government regulations affecting the company or its industry.

At times, the Fund may emphasize investments in a particular industry or sector. To the extent that the Fund increases its emphasis on stocks in a particular industry, the value of its investments may fluctuate more in response to events affecting that industry, such as changes in economic conditions, government regulations, availability of basic resources or supplies, or other events that affect that industry more than others.

MLP Affiliates.   The   Fund may invest in the debt and equity securities of MLP affiliates and companies that own MLP general partner interests that are energy infrastructure companies. The Fund may also invest in MLP I-Shares, which represent an indirect ownership interest in MLP common units. MLP I-Shares differ from MLP common units primarily in that, instead of receiving cash distributions, holders of MLP I-Shares receive distributions in the form of additional I-Shares. Issuers of MLP I-Shares are treated as corporations and not partnerships for tax purposes. MLP affiliates also include publicly traded limited liability companies that own, directly or indirectly, general partner interests of MLPs.

Greenfield Projects . Greenfield projects are energy-related projects built by private joint ventures formed by energy infrastructure companies. Greenfield projects may include the creation of a new pipeline, processing plant or storage facility or other energy infrastructure asset that is integrated with the company's existing assets. The Fund's investments in greenfield projects may distribute income. However, the Fund's investment also may be structured as pay-in-kind securities with minimal or no cash interest or dividends until construction is completed, at which time interest payments or dividends would be paid in cash. An investment in a greenfield project entails substantial risk, including the risk that the project may not materialize due to, among other factors, financing constraints, the absence of a natural energy source, an inability to obtain the necessary governmental permits to build the project, and the failure of the technology necessary to generate the energy. The Fund's investment could lose its value in the event of a failure of a greenfield project. Greenfield projects also may be illiquid.

Investments in Other Investment Companies. The Fund can also invest in the securities of other investment companies, which can include open-end funds, closed-end funds, unit investment trusts and business development companies subject to the limits of the Investment Company Act. One reason the Fund might do so is to gain exposure to segments of the markets represented by another fund, at times when the Fund might not be able to buy the particular type of securities directly. As a shareholder of an investment company, the Fund would be subject to its ratable share of that investment company's expenses, including its advisory and administration expenses. The Fund does not intend to invest in other investment companies unless it is believed that the potential benefits of the investment justify the expenses. The Fund's investments in the securities of other investment companies are subject to the limits that apply to those types of investments under the Investment Company Act.

The Fund may also invest in Exchange Traded Funds (ETFs), which are subject to all the risks of investing in investment companies as described above. Because ETFs are listed on national stock exchanges and are traded like stocks listed on an exchange, shares of ETFs potentially may trade at a discount or a premium to their net asset value. Investments in ETFs are also subject to brokerage and other trading costs, which could result in greater expenses to the Fund.

Investments in Oppenheimer Institutional Money Market Fund. The Fund can invest its free cash balances in Class E shares of Oppenheimer Institutional Money Market Fund to provide liquidity or for defensive purposes. The Fund invests in Oppenheimer Institutional Money Market Fund, rather than purchasing individual short-term investments, to seek a higher yield than it could obtain on its own. Oppenheimer Institutional Money Market Fund is a registered open-end management investment company, regulated as a money market fund under the Investment Company Act of 1940, and is part of the Oppenheimer family of funds. It invests in a variety of short-term, high-quality, dollar-denominated money market instruments issued by the U.S. government, domestic and foreign corporations, other financial institutions, and other entities. Those investments may have a higher rate of return than the investments that would be available to the Fund directly. At the time of an investment, the Fund cannot always predict what the yield of the Oppenheimer Institutional Money Market Fund will be because of the wide variety of instruments that fund holds in its portfolio. The return on those investments may, in some cases, be lower than the return that would have been derived from other types of investments that would provide liquidity. As a shareholder, the Fund will be subject to its proportional share of the expenses of Oppenheimer Institutional Money Market Fund's Class E shares, including its advisory fee. However, the Manager will waive a portion of the Fund's advisory fee to the extent of the Fund's share of the advisory fee paid to the Manager by Oppenheimer Institutional Money Market Fund.

Private Equity and Debt Investments . The Fund can invest in private equity and debt investments, including traditional private equity control positions and minority investments in MLPs and energy infrastructure companies. Private equity and debt investments involve a high degree of business and financial risk and can result in substantial or complete losses. Some portfolio companies in which the Fund may invest may be operating at a loss or with substantial variations in operating results from period to period and may need substantial additional capital to support expansion or to achieve or maintain competitive positions. Such companies may face intense competition, including competition from companies with much greater financial resources, much more extensive development, production, marketing and service capabilities and a much larger number of qualified managerial and technical personnel. There is no assurance that the marketing efforts of any particular portfolio company will be successful or that its business will succeed. Additionally, privately held companies are not subject to Securities and Exchange Commission ("SEC") reporting requirements, are not required to maintain their accounting records in accordance with generally accepted accounting principles, and are not required to maintain effective internal controls over financial reporting. As a result, timely or accurate information may at times not be readily available about the business, financial condition and results of operations of the privately held companies in which the Fund invests. Private debt investments also are subject to interest rate risk, credit risk and duration risk.

Pay-In-Kind Securities . Pay-in-kind securities are securities that pay interest through the issuance of additional debt or equity securities. Upon maturity, the holder is entitled to receive the aggregate par value of the securities. Pay-in-kind securities may be subject to greater fluctuation in value and lesser liquidity in the event of adverse market conditions than comparably rated securities paying cash interest at regular interest payment periods. Pay-in-kind securities carry additional risk as holders of these types of securities realize no cash until the cash payment date unless a portion of such securities is sold. If the issuer defaults, the Fund may obtain no return at all on its investment. The market price of pay-in-kind securities is affected by interest rate changes to a greater extent, and therefore tends to be more volatile, than that of securities which pay interest in cash.

Private Investments in Public Equity (PIPEs). PIPEs are equity securities issued in a private placement by companies that have outstanding, publicly traded equity securities of the same class. Shares in PIPEs generally are not registered with the SEC until after a certain time period from the date the private sale is completed. PIPE transactions will generally result in the Fund acquiring either restricted stock or an instrument convertible into restricted stock. As with investments in other types of restricted securities, such an investment may be illiquid. The Fund's ability to dispose of securities acquired in PIPE transactions may depend upon the registration of such securities for resale. Any number of factors may prevent or delay a proposed registration. Alternatively, it may be possible for securities acquired in a PIPE transaction to be resold in transactions exempt from registration in accordance with Rule 144 under the Securities Act of 1933, or otherwise under the federal securities laws. There is no guarantee, however, that an active trading market for the securities will exist at the time of disposition of the securities, and the lack of such a market could hurt the market value of the Fund's investments. As a result, even if the Fund is able to have securities acquired in a PIPE transaction registered or sell such securities through an exempt transaction, the Fund may not be able to sell all the securities on short notice, and the sale of the securities could lower the market price of the securities.

Derivative Investments. The Fund may at times invest in "derivative" instruments. A derivative is an instrument whose value depends on (or is derived from) the value of an underlying security, asset, interest rate, index or currency. Derivatives may allow the Fund to increase or decrease its exposure to certain markets or risks for hedging purposes or to seek investment return.  

       Options, futures, forward contracts, swaps, "structured" notes, certain mortgage-related securities and event-linked bonds are some of the derivatives that the Fund may use. The Fund may also use other types of derivatives that are consistent with its investment strategies or hedging purposes.

Risks of Derivative Investments. Derivatives may be volatile and may involve significant risks. Derivative transactions may require the payment of premiums and can increase portfolio turnover. For example, if a call option sold by the Fund were exercised on an investment that had increased in value above the call price, the Fund would be required to sell the investment at the call price and would not be able to realize any additional profit. Certain derivative investments held by the Fund may be illiquid, making it difficult to close out an unfavorable position. The underlying security or other instrument on which a derivative is based, or the derivative itself, may not perform the way the Manager expects it to. As a result, the Fund could realize little or no income or lose principal from the investment, or a hedge might be unsuccessful. The Fund may also lose money on a derivative investment if the issuer fails to pay the amount due.

Forward Contracts. Forward contracts are foreign currency exchange contracts that are used to buy or sell foreign currency for future delivery at a fixed price. Although the Fund values its assets daily in terms of U.S. dollars, it does not intend to convert its holdings of foreign currencies into U.S. dollars on a daily basis. The Fund may use forward contracts to try to protect against declines in the U.S. dollar value of foreign securities that it owns and against increases in the dollar cost of foreign securities it anticipates buying. Although forward contracts may reduce the risk of loss from a decline in the value of the hedged currency, at the same time they limit any potential gain if the value of the hedged currency increases. Forward contracts are traded in the inter-bank market conducted directly among currency traders (usually large commercial banks) and their customers.

     Forward Contract Risks. The projection of short-term currency market movements is extremely difficult, and the successful execution of a short-term hedging strategy is highly uncertain. The precise matching of the amounts under forward contracts and the value of the securities involved generally will not be possible because the future value of securities denominated in foreign currencies will change as a consequence of market movements between the date the forward contract is entered into and the date it is sold. Investments in forward contracts involve the risk that anticipated currency movements will not be accurately predicted, causing the Fund to sustain losses on these contracts and to pay additional transaction costs.

Futures Contracts.  The Fund can buy and sell futures contracts, including financial futures contracts, currency futures contracts and commodities futures contacts. Futures contracts are agreements in which one party agrees to buy an asset from the other party at a later date at a price and quantity agreed-upon when the contract is made. Futures contracts are traded on futures exchanges, which offer a central marketplace in which to originate futures contracts and clear trades in a secondary market. Futures exchanges also provide standardization of expiration dates and contract sizes. Buyers of futures contracts do not own the underlying asset or commodity unless they decide to accept delivery at the expiration of the contract. Delivery of the underlying commodity to satisfy a commodity futures contract rarely occurs and buyers typically close-out their positions before expiration. Financial futures contracts are standardized commitments to either purchase or sell designated financial instruments at a future date for a specified price, and may be settled in cash or through delivery of the underlying instrument. Generally, the Fund expects to satisfy or offset the delivery obligations under a futures contract by taking an equal but opposite position in the futures market in the same underlying instrument. The Fund's investments in futures contracts may involve substantial risks.

     Special Risks of Futures Contracts. The volatility of futures contracts prices has been historically greater than the volatility of stocks and bonds. The liquidity of the futures market depends on participants entering into offsetting transactions rather than making or taking delivery. To the extent participants decide to make or take delivery, liquidity in the futures market could be reduced. In addition, futures exchanges often impose a maximum permissible price movement on each futures contract for each trading session. The Fund may be disadvantaged if it is prohibited from executing a trade outside the daily permissible price movement.

Put and Call Options. Put and call options may be bought or sold on futures contracts (including commodity futures contracts), commodity indices, financial indices, securities indices, currencies, financial futures, swaps and securities. A call option gives the buyer the right, but not the obligation, to purchase an underlying asset at a specified (strike) price. A put option gives the buyer the right, but not the obligation, to sell an underlying asset at a specified price. Options may be traded on a securities or futures exchange or over-the-counter. Options on commodity futures contracts are traded on the same exchange on which the underlying futures contract is listed.

Some Underlying Funds are limited to selling call options if they are "covered." For call options on securities, that means the Underlying Fund owns the securities that are subject to the call. For other types of call options, the Underlying Fund would be required to identify liquid assets to cover its obligation under the option. An Underlying Fund might have no limit on the amount of its total assets that may be subject to covered calls. Some Underlying Funds that sell put options must identify liquid assets to cover any put options they sell.

Special Risks of Options. If the Fund sells a put option, there is a risk that the Fund may be required to buy the underlying investment at a disadvantageous price. If the Fund sells a call option, there is a risk that the Fund may be required to sell the underlying investment at a disadvantageous price. If the Fund sells a call option on an investment that the Fund owns (a "covered call") and the investment has increased in value when the call option is exercised, the Fund will be required to sell the investment at the call price and will not be able to realize any of the investment's value above the call price. Options may involve economic leverage, which could result in greater price volatility than other investments.

   "Structured" Notes. "Structured" notes are specially-designed derivative debt instruments. The terms of the instrument may be determined or "structured" by the purchaser and the issuer of the note. Payments of principal or interest on these notes may be linked to the value of an index (such as a currency or securities index), one or more securities, a commodity or the financial performance of one or more obligors. The value of these notes will normally rise or fall in response to the changes in the performance of the underlying security, index, commodity or obligor.

Swap Transactions.  Under financial reform legislation currently being implemented, certain types of swaps are (or soon will be) required to be executed on a regulated market and/or cleared through a clearinghouse, which may affect counterparty risk and other risks faced by the Fund, and could result in increased margin requirements and costs for the Fund. Swap agreements are privately negotiated in the over-the-counter market and may be entered into as a bilateral contract or may be centrally cleared. In a cleared swap, immediately following execution of the swap agreement, the swap agreement is submitted for clearing to a clearing house, and the Fund faces the clearinghouse by means of a Fund account with a futures commission merchant that is a member of the clearinghouse. Because the regulations regarding centrally cleared swaps have not yet been fully implemented, the scope of potential risks, including risks relating to the use of clearinghouses and futures commission merchants, is unclear.

Hedging.  Hedging transactions are intended to reduce the risks of securities in the Fund's portfolio. If the Fund uses a hedging instrument at the wrong time or judges market conditions incorrectly, however, the hedge might be unsuccessful or could reduce the Fund's return or create a loss.

Changes To The Fund's Investment Policies. The Fund's fundamental investment policies cannot be changed without the approval of a majority of the Fund's outstanding voting shares, however, the Fund's Board can change non-fundamental policies without a shareholder vote. Significant policy changes will be described in supplements to this prospectus. Shareholders will receive 60 days' advance notice of any change in the 80% investment policy described in "Principal Investment Strategies." The Fund's investment objective is not a fundamental policy. Investment restrictions that are fundamental policies are listed in the Fund's Statement of Additional Information. An investment policy or restriction is not fundamental unless this prospectus or the Statement of Additional Information states that it is.

Conflicts of Interest. The investment activities of the Manager and its affiliates in regard to other accounts they manage may present conflicts of interest that could disadvantage the Fund and its shareholders. The Manager and its affiliates may provide investment advisory services to other funds and accounts that have investment objectives or strategies that differ from, or are contrary to, those of the Fund. That may result in another fund or account holding investment positions that are adverse to the Fund's investment strategies or activities. Other funds or accounts advised by the Manager and its affiliates may have conflicting interests arising from investment objectives that are similar to those of the Fund. Those funds and accounts may engage in, and compete for, the same types of securities or other investments as the Fund or invest in securities of the same issuers that have different, and possibly conflicting, characteristics. The trading and other investment activities of those other funds or accounts may be carried out without regard to the investment activities of the Fund and, as a result, the value of securities held by the Fund or the Fund's investment strategies may be adversely affected. The Fund's investment performance will usually differ from the performance of other accounts advised by the Manager or its affiliates and the Fund may experience losses during periods in which other accounts they advise achieve gains. The Manager has adopted policies and procedures designed to address potential identified conflicts of interest, however, such policies and procedures may also limit the Fund's investment activities and affect its performance.

Temporary Defensive and Interim Investments. For temporary defensive purposes in times of adverse or unstable market, economic or political conditions, the Fund can invest up to 100% of its total assets in investments that may be inconsistent with the Fund's principal investment strategies. Generally, the Fund would invest in shares of Oppenheimer Institutional Money Market Fund or in the types of money market instruments in which Oppenheimer Institutional Money Market Fund invests or in other short-term U.S. government securities. The Fund might also hold these types of securities as interim investments pending the investment of proceeds from the sale of Fund shares or the sale of Fund portfolio securities or to meet anticipated redemptions of Fund shares. To the extent the Fund invests in these securities, it might not achieve its investment objective.

Portfolio Holdings.  The Fund's portfolio holdings are included in its semi-annual and annual reports that are distributed to its shareholders within 60 days after the close of the applicable reporting period. The Fund also discloses its portfolio holdings in its Schedule of Investments on Form N-Q, which are public filings that are required to be made with the Securities and Exchange Commission within 60 days after the end of the Fund's first and third fiscal quarters. Therefore, the Fund's portfolio holdings are made publicly available no later than 60 days after the end of each of its fiscal quarters. In addition, the Fund's portfolio holdings information, as of the end of each calendar month, may be posted and available on the Fund's website no sooner than 30 days after the end of each calendar month.    

A description of the Fund's policies and procedures with respect to the disclosure of its portfolio holdings is available in the Fund's Statement of Additional Information.

Illiquid and Restricted Securities. Investments that do not have an active trading market, or that have legal or contractual limitations on their resale, are generally referred to as "illiquid" securities. Illiquid securities may be difficult to value or to sell promptly at an acceptable price or may require registration under applicable securities laws before they can be sold publicly. Securities that have limitations on their resale are referred to as "restricted securities." Certain restricted securities that are eligible for resale to qualified institutional purchasers may not be regarded as illiquid.

     The Fund will not invest more than 15% of its net assets in illiquid securities.  The Fund's holdings of illiquid securities are monitored on an ongoing basis to determine whether to sell any of those securities to maintain adequate liquidity.

How the Fund is Managed

THE MANAGER. OFI SteelPath, Inc., the Manager, is a wholly-owned subsidiary of OppenheimerFunds, Inc. The Manager oversees the Fund's investments and its business operations, chooses the Fund's investments and provides related advisory services. The Manager carries out its duties, subject to the policies established by the Fund's Board, under an investment advisory agreement with the Fund that states the Manager's responsibilities. The agreement sets the fees the Fund pays to the Manager and describes the expenses that the Fund is responsible to pay to conduct its business.

The Manager has been an investment adviser since 2010. The Manager is located at 2100 McKinney Avenue, Suite 1401, Dallas, TX 75201 and is a successor to SteelPath Fund Advisors, LLC and SteelPath Capital Management, LLC, which were established in 2009 and 2004, respectively.

Advisory Fees . Under the investment advisory agreement, the Fund pays the Manager an advisory fee at an annual rate that declines on additional assets as the Fund grows: 1.10% of the first $3 billion of average annual net assets of the Fund, 1.08% of the next $2 billion and 1.05% of average annual net assets in excess of $5 billion, calculated on the daily net assets of the Fund. The Fund's advisory fee for the fiscal year ended November 30, 2013 was 1.10% of average annual net assets, before any applicable waivers.

After discussions with the Fund's Board of Trustees, the Manager has contractually agreed to waive fees and/or reimburse the Fund for certain expenses in order to limit "Total Annual Fund Operating Expenses After Fee Waiver and/or Expense Reimbursement" (excluding interest expenses, taxes, such as deferred tax expenses, brokerage commissions, acquired fund fees and expenses, dividend costs related to short sales and extraordinary expenses, such as litigation expensesm if any) to annual rates of 1.50% for Class A shares, 2.25% for Class C shares, and 1.25% for Class Y shares, as calculated on the daily net assets of the Fund. The Manager can be reimbursed by the Fund within three years after the date the fee limitation and/or expense reimbursement has been made by the Manager, provided that such repayment does not cause the expenses of any class of the Fund to exceed the foregoing limits. The waiver does not apply to Class I shares. This fee waiver and/or expense reimbursement may not be amended or withdrawn prior to its expiration on March 29, 2015, unless approved by the Board.The Fund's other annual operating expenses may vary in future years.

A discussion regarding the basis for the Board's approval of the Fund's investment advisory contract is available in the Fund's shareholder report.

Portfolio Managers . The Fund's portfolio is team managed by Stuart Cartner and Brian Watson, who are primarily responsible for the day-to-day management of the Fund's portfolio. Each have been portfolio managers of the Fund since its inception.

Mr. Cartner has been a Vice President of the Manager since 2012. Prior to joining the Manager, he was a member and portfolio manager of SFA since its formation in 2009 and SCM since 2007. Prior to joining SCM, Mr. Cartner was a Vice President in the Private Wealth Management Division of Goldman, Sachs & Co from 1988 to 2007. Mr. Cartner is a portfolio manager of other portfolios in the OppenheimerFunds complex.

Mr. Watson has been a Vice President of the Manager since 2012. Prior to joining the Manager, he was a member, portfolio manager and Director of Research of SFA since its formation in 2009. Prior to joining SFA, from 2005 to 2009 Mr. Watson was a portfolio manager at Swank Capital LLC, a Dallas, Texas based investment firm. Mr. Watson is a portfolio manager of other portfolios in the OppenheimerFunds complex.

     The Statement of Additional Information provides additional information about portfolio manager compensation, other accounts managed and ownership of Fund shares.

MORE ABOUT YOUR ACCOUNT

About Your Account

Where Can You Buy Fund Shares? Oppenheimer funds may be purchased either directly or through a variety of "financial intermediaries" that offer Fund shares to their clients. Financial intermediaries include securities dealers, financial advisors, brokers, banks, trust companies, insurance companies and the sponsors of fund "supermarkets," fee-based advisory or wrap fee-based programs or college and retirement savings programs.

Certain sales charge waivers may apply to purchases or redemptions of Class A or Class C shares. More information about those waivers is available in the Fund's Statement of Additional Information, or by clicking on the hyperlink "Sales Charges & Breakpoints" under the heading "Fund Information" on the OppenheimerFunds website at "www.oppenheimerfunds.com."

What is the Minimum Investment.  You can buy most Fund share classes with a minimum initial investment of $1,000. For Class I shares the minimum initial investment is $5 million per account. The Class I share minimum initial investment is waived for retirement plan service provider platforms. Reduced initial minimums are available for other share classes in certain circumstances, including the following:

• Traditional and Roth IRA accounts as well as Asset Builder Plan, Automatic Exchange Plan and government allotment plan accounts may be opened with a minimum initial investment of $500.

• For wrap fee-based programs, salary reduction plans and other retirement plans and accounts, there is no minimum initial investment.

There are no subsequent purchase minimums.

Minimum Account Balance. The minimum account balance on Fund accounts is $500.  Small accounts may be involuntarily redeemed by the Fund if the value has fallen below $500 for reasons other than a decline in the market value of the shares.  No minimum balance fee is assessed on any Fund account.

      The minimum account balance for Class I shares is $2.5 million. If a Class I account balance falls below $2.5 million, the account may be involuntarily redeemed or converted into a Class Y share account. This minimum balance policy does not apply to accounts for which the minimum initial investment is waived.