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As filed with the Securities and Exchange Commission on November 24, 2015

Registration No.  333-     

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C.  20549

FORM S-3

REGISTRATION STATEMENT UNDER
THE SECURITIES ACT OF 1933

AmerisourceBergen Corporation

(Exact name of registrant as specified in its charter)

1300 Morris Drive

Chesterbrook, PA 19087

(610) 727-7000
(Address, including zip code, and telephone number, including area code, of registrant’s principal executive offices)

Kathy H. Gaddes

Vice President, Group General Counsel and Secretary

AmerisourceBergen Corporation

1300 Morris Drive

Chesterbrook, PA 19087

(610) 727-7000
(Name, address, including zip code, and telephone number,
including area code, of agent for service)

Please address a copy of all communications to:

Approximate date of commencement of proposed sale to the public: From time to time after the effective date of this registration statement.

If the only securities being registered on this Form are being offered pursuant to dividend or interest reinvestment plans, please check the following box: o

If any of the securities being registered on this Form are to be offered on a delayed or continuous basis pursuant to Rule 415 under the Securities Act of 1933 other than securities offered only in connection with dividend or interest reinvestment plans, check the following box: x

If this Form is filed to register additional securities for an offering pursuant to Rule 462(b) under the Securities Act, please check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering. o

If this Form is a post-effective amendment filed pursuant to Rule 462(c) under the Securities Act, check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering.  o

If this Form is a registration statement pursuant to General Instruction I.D. or a post-effective amendment thereto that shall become effective upon filing with the Commission pursuant to Rule 462(e) under the Securities Act, check the following box.  x

If this Form is a post-effective amendment to a registration statement filed pursuant to General Instruction I.D. filed to register additional securities or additional classes of securities pursuant to Rule 413(b) under the Securities Act, check the following box.  o

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See the definitions of “large accelerated filer,” “accelerated filer” and “smaller reporting company” in Rule 12b-2 of the Exchange Act.

(Do not check if a smaller reporting company)

CALCULATION OF REGISTRATION FEE

(1)          An indeterminate aggregate initial offering price or number of securities of each identified class is being registered as may from time to time be offered hereunder at indeterminate prices.  Securities registered hereunder may be issued in primary offerings, by selling stockholders, or upon exercise, conversion or exchange of other securities registered hereunder. Separate consideration may or may not be received for securities that are issuable on exercise, conversion or exchange of other securities or that are represented by depositary shares.  In accordance with Rules 456(b) and 457(r) under the Securities Act of 1933, the registrant is deferring payment of the entire registration fee.

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PROSPECTUS

AmerisourceBergen Corporation

Common Stock

Preferred Stock

Debt Securities

Depositary Shares

Warrants

Purchase Contracts

Units

We, from time to time, may offer and sell, in one or more offerings, shares of our common stock, shares of our preferred stock, debt securities, depositary shares, warrants, purchase contracts and units. We may offer and sell these securities in amounts, at prices and on terms determined at the time of the offering.

This prospectus describes the general terms of these securities and the general manner in which these securities will be offered. Each time securities are offered under this prospectus, we will provide a prospectus supplement and attach it to this prospectus. The prospectus supplement will contain more specific information about the terms of the offering and the offered securities and may also supplement, update or amend information contained in this prospectus.

We may offer and sell these securities to or through underwriters, dealers or agents, directly to purchasers or through a combination of these methods. If we use underwriters, dealers or agents to sell these securities, we will name them and describe their compensation arrangements in the prospectus supplement relating to such offering.

Our common stock is listed on the New York Stock Exchange under the symbol “ABC.” We have not yet determined whether any of the other securities covered by this prospectus will be listed on any exchange, inter-dealer quotation system or over-the-counter market. If we decide to seek listing of any such securities upon issuance, the prospectus supplement relating to the offering of such securities will disclose the exchange, quotation system or market on which the securities will be listed.

Our executive offices are located at 1300 Morris Drive, Chesterbrook, Pennsylvania 19087 and our telephone number is (610) 727-7000.

Investing in these securities involves certain risks. See “Risk Factors” on page 1 of this prospectus.

Neither the Securities and Exchange Commission nor any state securities commission has approved or disapproved of these securities or determined if this prospectus or any accompanying prospectus supplement is truthful or complete. Any representation to the contrary is a criminal offense.

The date of this prospectus is November 24, 2015

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The distribution of this prospectus and sale of these securities in certain jurisdictions may be restricted. Persons in possession of this prospectus are required to inform themselves about and observe any such restrictions. We are not making an offer of these securities in any jurisdiction where the offer is not permitted.

All references in this prospectus to “we,” “us,” “our,” and “AmerisourceBergen” refer only to AmerisourceBergen Corporation and not to any existing or future subsidiaries of AmerisourceBergen Corporation, unless the context otherwise requires.

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RISK FACTORS

Investing in our securities involves risks. Before investing in our securities, you should carefully consider the specific risks set forth under the caption “Risk Factors” in our filings with the Securities and Exchange Commission (which we refer to as the “SEC”) that are incorporated by reference into this prospectus and under the caption “Risk Factors” in any accompanying prospectus supplement or free writing prospectus that we deliver to you. You should also carefully consider all other information contained in or incorporated by reference into this prospectus or in any accompanying prospectus supplement or free writing prospectus that we deliver to you. A discussion of the documents incorporated by reference into this prospectus is set forth below under the heading “Documents Incorporated by Reference.”

ABOUT THIS PROSPECTUS

This document is called a prospectus and is part of a registration statement on Form S-3 that we filed with the SEC using a “shelf” registration process. Under this shelf process, we may offer and sell, from time to time in one or more offerings, the securities described in this prospectus. This prospectus provides you with a general description of the securities we may offer and the general manner in which these securities may be offered. Each time we sell securities under this prospectus, we will provide you with a prospectus supplement that will contain specific information about the terms of that offering and the offered securities. That prospectus supplement may also supplement, update or amend information contained in or incorporated by reference into this prospectus.

The registration statement of which this prospectus is a part contains additional information about us and the securities we may offer by this prospectus. Specifically, we have filed and incorporated by reference certain legal documents that control the terms of the securities offered by this prospectus as exhibits to the registration statement. We will file or incorporate by reference certain other legal documents that will control the terms of the securities we may offer by this prospectus as exhibits to the registration statement or to reports we file with the SEC that are incorporated by reference into this prospectus.

In addition, we may prepare and deliver one or more “free writing prospectuses” to you in connection with any offering of securities under this prospectus. Any such free writing prospectus may contain additional information about us, our business, the offered securities, the manner in which such securities are being offered, our intended use of the proceeds from the sale of such securities, risks relating to our business or an investment in such securities or other information.

This prospectus and certain of the documents incorporated by reference into this prospectus contain, and any accompanying prospectus supplement or free writing prospectus that we deliver to you may contain, summaries of information contained in documents that we have filed or will file as exhibits to our SEC filings. Such summaries do not purport to be complete and are subject to, and qualified in their entirely by reference to, the actual documents filed with the SEC.

Copies of the registration statement of which this prospectus is a part and of the documents incorporated by reference into this prospectus may be obtained as described below under the heading “Documents Incorporated by Reference” and under the heading “Where You Can Find More Information.”

You should not assume that the information contained in this prospectus, the registration statement to which this prospectus is a part, any accompanying prospectus supplement or any free writing prospectus that we deliver to you is accurate as of any date other than the date of such documents or that the information incorporated by reference into this prospectus is accurate as of any date other than the date of the document incorporated by reference. Our business, operating results, financial condition, capital resources and prospects may have changed since that date.

You should rely only on the information contained in or incorporated by reference into this prospectus, the registration statement of which this prospectus is a part, any accompanying prospectus supplement, and any free writing prospectus that we deliver to you. We have not authorized anyone to provide you with different information. If you receive any other information, you should not rely on it.

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WHERE YOU CAN FIND MORE INFORMATION

We are subject to certain information reporting requirements of the Securities Exchange Act of 1934, as amended (which we refer to as the “Exchange Act”), and, in accordance with these requirements, we file annual, quarterly and current reports, proxy statements and other information with the SEC. You may read and copy any documents we file at the SEC’s public reference room at 100 F Street, N.E., Washington, D.C. 20549. Please call the SEC at 1-800-SEC-0330 for further information on the operation of the public reference room. Our SEC filings are also available to you at the SEC’s website at http://www.sec.gov and our website at www.amerisourcebergen.com. The information contained in, or that can be accessed through, our website is not a part of this prospectus or any accompanying prospectus supplement.

We have filed with the SEC a registration statement on Form S-3 relating to the securities offered by this prospectus. This prospectus is a part of that registration statement, which includes additional information about us and the securities offered by this prospectus. You may review and obtain a copy of the registration statement and the exhibits that are a part of the registration statement at the SEC’s public reference room in Washington, D.C., as well as through the SEC’s website or our website. You can also call or write us for a copy as described below under “Documents Incorporated by Reference.”

DOCUMENTS INCORPORATED BY REFERENCE

The SEC allows us to “incorporate by reference” the information we file with the SEC under the Exchange Act, which means that we can disclose important information to you by referring you to those documents. Information incorporated by reference is considered to be a part of this prospectus, and information that we file later with the SEC will automatically update, modify and, where applicable, supersede this information. We incorporate by reference into this prospectus the specific documents listed below and all documents filed by us with the SEC pursuant to Section 13(a), 13(c), 14, or 15(d) of the Exchange Act between the date of this prospectus and the termination of the offering of securities under this prospectus (other than, in each case, documents or information deemed to be furnished and not filed in accordance with SEC rules), which future filings shall be deemed to be incorporated by reference into this prospectus and to be part of this prospectus from the date we subsequently file such documents. The SEC file number for these documents is 1-16671.

·                  Our Annual Report on Form 10-K for the fiscal year ended September 30, 2015, filed with the SEC on November 24, 2015;

·                  Our Current Reports on Form 8-K filed with the SEC on October 7, 2015 (excluding Item 7.01), November 4, 2015, November 6, 2015 (excluding Item 7.01), November 13, 2015 and November 18, 2015; and

·                  The description of our common stock contained in our Registration Statement on Form S-4/A (File No. 333-61440), filed with the SEC on July 27, 2001, and the related prospectus filed pursuant to Rule 424(b)(3), filed with the SEC on August 1, 2001, including any amendments or reports filed with the SEC for the purpose of updating such description.

Any statement contained in this prospectus or in any document incorporated by reference into this prospectus shall be deemed to be modified or, where applicable, superseded for the purposes of this prospectus to the extent that a statement contained in this prospectus or any subsequently filed document that also is incorporated by reference into this prospectus modifies or supersedes such prior statement. Any statement so modified or superseded will not be deemed, except as so modified or superseded, to constitute a part of this prospectus.

We will provide to each person, including any beneficial owner, to whom a prospectus is delivered, upon written or oral request and without charge, a copy of the documents referred to above that we have incorporated by reference into this prospectus and a copy of the registration statement of which this prospectus is a part. You can request copies of such documents if you call or write us at the following address or telephone number:

AmerisourceBergen Corporation

1300 Morris Drive

Chesterbrook, PA 19087

Telephone: (610) 727-7000

Attention: Secretary

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Exhibits to the documents will not be sent, however, unless those exhibits have specifically been incorporated by reference into such document. You may also obtain copies of our SEC filings statement as described above under the heading “Where You Can Find More Information.”

CAUTIONARY STATEMENT REGARDING FORWARD-LOOKING INFORMATION

This prospectus and the documents incorporated by reference into this prospectus contain “forward-looking statements” within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934, as amended. All statements that are not statements of historical facts are hereby identified as forward-looking statements for these purposes and include, among others, statements with respect to:

·                  our future economic performance, operating results, financial condition, capital resources or prospects;

·                  projections of revenue, expenses, income and losses, earnings (losses) per share, capital expenditures, dividends, growth rates or other financial items;

·                  market or industry trends,

·                  legal or regulatory developments;

·                  future events;

·                  the anticipated effect of acquisitions, litigation, new (or changes to existing) laws, regulations or accounting principles or other matters on our business, economic performance, operating results, financial condition, capital resources or prospects;

·                  our plans, objectives and strategies for future operations or otherwise;

·                  our expectations and beliefs.

Words such as “expect,” “likely,” “outlook,” “forecast,” “would,” “could,” “should,” “can,” “will,” “project,” “intend,” “plan,” “continue,” “sustain,” “synergy,” “on track,” “believe,” “seek,” “estimate,” “anticipate,” “may,” “possible,” “assume,” variations of such words, and similar expressions are intended to identify such forward-looking statements. These statements are based on management’s current expectations and are subject to uncertainty and change in circumstances. These statements are not guarantees of future performance and are based on assumptions that could prove incorrect or could cause actual results to vary materially from those indicated. Among the factors that could cause actual results to differ materially from those projected, anticipated, or implied are the following:

·                  competition;

·                  industry consolidation of both customers and suppliers resulting in increasing pressure to reduce prices for our products and services;

·                  changes in pharmaceutical market growth rates;

·                  price inflation in branded and generic pharmaceuticals, and price deflation in generics;

·                  declining economic conditions in the United States and abroad;

·                  financial market volatility and disruption;

·                  substantial defaults in payment, material reduction in purchases by or the loss, bankruptcy or insolvency of a major customer;

·                  the loss, bankruptcy or insolvency of a major supplier;

·                  changes to the customer or supplier mix;

·                  the retention of key customer or supplier relationships under less favorable economics or the adverse resolution of any contract or other dispute with customers or suppliers;

·                  interest rate and foreign currency exchange rate fluctuations;

·                  the disruption of our cash flow and ability to return value to its stockholders in accordance with its past practices;

·                  risks associated with the strategic, long-term relationship between Walgreen Boots Alliance, Inc. and us, including with respect to the pharmaceutical distribution agreement and/or the global sourcing arrangement;

·                  risks associated with the potential impact on our earnings per share resulting from the issuance of the warrants to subsidiaries of Walgreen Boots Alliance, Inc. (the “Warrants”);

·                  our inability to fully implement our hedging strategy to mitigate the potentially dilutive effect of the issuance of our common stock in accordance with the Warrants under our special share repurchase program due to our financial performance, the current and future share price of our common stock, our expected cash flows, competing priorities for capital, and overall market conditions;

·      changes in the United States healthcare and regulatory environment;

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·                  increasing governmental regulations regarding the pharmaceutical supply channel and pharmaceutical compounding;

·                  federal and state government enforcement initiatives to detect and prevent suspicious orders of controlled substances and the diversion of controlled substances;

·                  federal and state prosecution of alleged violations of related laws and regulations, and any related litigation, including shareholder derivative lawsuits or other disputes relating to our distribution of controlled substances;

·                  increased federal scrutiny and qui tam litigation for alleged violations of fraud and abuse laws and regulations and/or any other laws and regulations governing the marketing, sale, purchase and/or dispensing of pharmaceutical products or services and any related litigation;

·                  material adverse resolution of pending legal proceedings;

·                  declining reimbursement rates for pharmaceuticals;

·                  the acquisition of businesses that do not perform as expected, or that are difficult to integrate or control, including the integration of MWI Veterinary Supply, Inc. and Pharmedium Healthcare Holdings, Inc., or the inability to capture all of the anticipated synergies related thereto;

·                  managing foreign expansion, including non-compliance with the U.S. Foreign Corrupt Practices Act, anti-bribery laws and economic sanctions and import laws and regulations;

·                  malfunction, failure or breach of sophisticated information systems to operate as designed;

·                  risks generally associated with data privacy regulation and the international transfer of personal data;

·                  changes in tax laws or legislative initiatives that could adversely affect our tax positions and/or our tax liabilities or adverse resolution of challenges to our tax positions;

·                  natural disasters or other unexpected events that affect our operations;

·                  the impairment of goodwill or other intangible assets, resulting in a charge to earnings;

·                  errors in the production, labeling or packaging of products compounded by our compounded sterile preparations business; and

·                  other economic, business, competitive, legal, tax, regulatory and/or operational factors affecting our business generally.

The risks and uncertainties referenced above are not intended to be exhaustive. We refer you to our Annual Report on Form 10-K for our most recent fiscal year and our Quarterly Reports on Form 10-Q filed after such Annual

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Report, including the information contained under the caption “Item 1A — Risk Factors” of such reports, and the other documents incorporated by reference into this prospectus for both an expanded discussion of the risks and uncertainties described above and additional risks and uncertainties that could cause actual results to differ materially and adversely from those expressed or implied by forward-looking statements.

You are cautioned not to place undue reliance on the forward-looking statements contained in, or incorporated by reference into, this prospectus. Each forward-looking statement speaks only as of the date of this prospectus or, in the case of documents incorporated by reference, the date of the applicable document (or any earlier date indicated in the statement), and we undertake no obligation to update or revise any of these statements, whether as a result of new information, future developments or otherwise, except as required by law. We qualify all of our forward-looking statements by these cautionary statements.

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AMERISOURCEBERGEN CORPORATION

We are one of the largest global pharmaceutical sourcing and distribution services companies, helping both healthcare providers and pharmaceutical and biotech manufacturers improve patient access to products and enhance patient care. We deliver innovative programs and services designed to increase the effectiveness and efficiency of the pharmaceutical supply chain in both human and animal health. More specifically, we distribute a comprehensive offering of brand-name and generic pharmaceuticals (including specialty pharmaceutical products), over-the-counter healthcare products, home healthcare supplies and equipment, and related services to a wide variety of healthcare providers located in the United States and select global markets, including chain retail and independent pharmacies, mail order pharmacies, acute care hospitals and health systems, physician practices, medical and dialysis clinics, long-term care and other alternate site pharmacies, veterinarians and other customers. We also provide pharmacy services to certain specialty drug patients. Additionally, we furnish healthcare providers and pharmaceutical manufacturers with an assortment of related services, including reimbursement and pharmaceutical consulting services, niche premium logistics services, inventory management, pharmacy automation, and pharmacy management.

As used in this section of the prospectus only, references to “we” refer to AmerisourceBergen Corporation and its consolidated subsidiaries.

USE OF PROCEEDS

Unless we inform you otherwise in the prospectus supplement or a free writing prospectus, we intend to use the net proceeds from the sale of the securities for general corporate purposes, including, but not limited to, working capital, capital expenditures, repayment of indebtedness, investments in our subsidiaries, business acquisitions and the repurchase, redemption or retirement of our securities, including shares of our common stock. We may also invest the net proceeds in U.S. government securities, certificates of deposit or other interest-bearing securities. If we decide to use the net proceeds from a particular offering of securities for a specific purpose, we will describe that in the prospectus supplement relating to that offering.

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RATIO OF EARNINGS TO FIXED CHARGES

The following table shows our historical ratios of earnings to fixed charges for the periods indicated:

For purposes of computing the above ratios:

·                  earnings consist of (a) pre-tax income from continuing operations before income or loss from equity investees, plus (b) fixed charges (as defined below), plus (c) amortization of capitalized interest, plus (d) distributed income of equity investees, less interest capitalized;

·                  fixed charges include (a) interest expensed and capitalized, (b) amortized premiums, discounts and capitalized expenses related to indebtedness, and (c) an estimate of the interest within rental expense;

·                  earnings include warrant expense, a non-cash expense, of $90.1 million, $422.7 million and $912.7 million in the fiscal years ended September 30, 2013, 2014, and 2015, respectively; and

·                  loss on equity investments includes an impairment charge of $30.6 million in fiscal 2015 related to the Company’s minority interest in a pharmaceutical wholesaler in Brazil.  There was no such impairment charge recorded in the fiscal years ended September 30, 2011, 2012, 2013, and 2014, respectively.

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DESCRIPTION OF COMMON STOCK AND PREFERRED STOCK

The following description of our common stock and preferred stock will apply generally to any future common stock or preferred stock that we may offer, but is not complete. It is subject to, and qualified in its entirety by reference to, our amended and restated certificate of incorporation, as amended (which we refer to as our “certificate of incorporation”), our amended and restated bylaws (which we refer to as our “bylaws”), each of which is incorporated by reference as exhibits to the registration statement of which this prospectus is a part. We will describe the particular terms of any class or series of these securities in more detail in the applicable prospectus supplement. If any particular terms of the common stock or preferred stock described in the applicable prospectus supplement differ from any of the terms described herein, then the terms described herein will be deemed superseded by that prospectus supplement. The terms of these securities also may be affected by the General Corporation Law of the State of Delaware (which we refer to below as the “DGCL”).

Authorized Capital Stock

We are authorized to issue a total of 610,000,000 shares of capital stock consisting of 600,000,000 shares of common stock, par value $0.01 per share, and 10,000,000 shares of preferred stock, par value $0.01 per share.

Common Stock

Our authorized common stock consists of 600,000,000 shares of common stock, par value $0.01 per share. Each outstanding share of common stock is entitled to one vote per share. Except as may be provided in a certificate of designations for a series of preferred stock, the holders of common stock have the exclusive right to vote for the election of directors and for all other purposes as provided by law and do not have cumulative voting rights.

Subject to the preferences that may be applicable to any then outstanding shares of preferred stock, holders of common stock are entitled to receive ratably on a per share basis such dividends and other distributions in cash, stock or property of AmerisourceBergen as may be declared by the board of directors from time to time out of the legally available assets or funds of AmerisourceBergen. Upon our voluntary or involuntary liquidation, dissolution or winding up, holders of common stock are entitled to receive ratably all assets of AmerisourceBergen available for distribution to its stockholders.

Holders of our common stock have no preemptive rights and no right to convert their common stock into any other securities. There are no redemption or sinking fund provisions applicable to our common stock.

Holders of common stock will have no liability for further calls or assessments and will not be personally liable for the payment of our debts except as they may be liable by reason of their own conduct or acts.

Our board of directors may authorize the issuance of preferred stock with voting, conversion, dividend, liquidation and other rights that may adversely affect the rights of the holder of our common stock.

Preferred Stock

Our authorized preferred stock consists of 10,000,000 shares of preferred stock, par value $0.01 per share. We may issue preferred stock from time to time in one or more series, without stockholder approval, when authorized by our board of directors. Subject to the limits imposed by the DGCL, our board of directors is authorized to fix for any series of preferred stock the number of shares of such series and the voting powers (if any), designation, preferences and relative, participating, optional or other special rights, and qualifications, limitations or restrictions of such series. As of the date of this prospectus, no shares of preferred stock are outstanding.

Unless otherwise set forth in the applicable certificate of designations for such series of preferred stock:

·                  Holders of preferred stock will have no voting rights and will not be entitled to any notice of meeting of stockholders, except as required by applicable law;

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·                  Holders of preferred stock will be entitled to receive, when declared by the board of directors, out of legally available funds, dividends at the rates fixed by the board of directors for the respective series of preferred stock, and no more, before any dividends will be declared and paid, or set apart for payment, on our common stock with respect to the same dividend period;

·                  Upon our voluntary or involuntary liquidation, dissolution or winding up, holders of each series of preferred stock will be entitled to receive the amount fixed for such series plus, in the case of any series on which dividends will have been determined by the board of directors to be cumulative, an amount equal to all dividends accumulated and unpaid to the date of final distribution whether or not earned or declared (subject to any cap set forth in the applicable certificate of designations for such series of preferred stock) before any distribution shall be paid, or set aside for payment, to holders of our common stock;

·                  At the option of our board of directors, we may redeem all or part of the shares of any series of preferred stock on such terms and conditions fixed in the applicable certificate of designations for such series of preferred stock;

·                  Holders of our preferred stock have no preemptive rights and will have no liability for further calls or assessments; and

·                  Our board of directors may increase or decrease the number of shares of any series, but not below the number of shares of that series then outstanding, with the affirmative vote of the holders of a majority of the voting power of all outstanding shares of our common stock and all other outstanding shares entitled to vote thereon.

For any series of preferred stock that we may offer, our board of directors will determine and the prospectus supplement relating to such series will describe:

·                  The designation and number of shares of such series;

·                  The rate and time at which, and the preferences and conditions under which, any dividends will be paid on shares of such series, as well as whether such dividends are cumulative or non-cumulative and participating or non-participating;

·                  Any provisions relating to convertibility or exchangeability of the shares of such series;

·                  The rights and preferences, if any, of holders of shares of such series upon our liquidation, dissolution or winding up of our affairs;

·                  The voting powers, if any, of the holders of shares of such series;

·                  Any provisions relating to the redemption of the shares of such series;

·                  Any limitations on our ability to pay dividends or make distributions on, or acquire or redeem, other securities while shares of such series are outstanding;

·                  Any conditions or restrictions on our ability to issue additional shares of such series or other securities; and

·                  Any other specific terms, preferences, limitations or restrictions.

Certain Anti-Takeover Provisions of Our Certificate Incorporation, Bylaws and Delaware Law

The following is a summary of certain provisions of our certificate of incorporation, bylaws and the DGCL that may have the effect of delaying, deterring or preventing hostile takeovers or changes in control or management of AmerisourceBergen. Such provisions could deprive our stockholders of opportunities to realize a premium on their stock. At the same time, these provisions may have the effect of inducing any persons seeking to acquire or control us to negotiate terms acceptable to our board of directors. Throughout the summary we have included

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parenthetical references to sections of our certificate of incorporation and bylaws to help you locate the provisions being discussed.

Undesignated Preferred Stock

Our certificate of incorporation authorizes our board of directors to issue shares of preferred stock and set the voting powers, designations, preferences, and other rights related to that preferred stock without stockholder approval. Any such designation and issuance of shares of preferred stock could delay, defer or prevent any attempt to acquire or control us. (Section 4.03)

Removal of Directors and Vacancies on the Board of Directors

Our certificate of incorporation and our bylaws provide that a director may not be removed except both for cause and by the affirmative vote of the holders of a majority of the votes cast for and against the removal by the holders of shares of our stock present in person or represented by proxy at a meeting of our stockholders and entitled to vote generally in the election of directors, considered for this purpose as a single class. Our certificate of incorporation and our bylaws also provide that, subject to any rights of holders of our preferred stock, any vacancies in our board of directors for any reason will be filled only by a majority of our directors remaining in office, and directors so elected will hold office until the next election of directors. The inability of our stockholders to remove directors without cause and without the affirmative vote of at least a majority of the votes cast for or against such removal or to fill vacancies on the board of directors may make it more difficult to change the composition of our board of directors. (Sections 5.05 and 5.06 of our certification of incorporation and Sections 3.13 and 3.14 of our bylaws)

No Cumulative Voting

Our certificate of incorporation and bylaws do not provide for cumulative voting. Accordingly, the holders of a majority of the shares of common stock entitled to vote in any election of directors may elect all of the directors standing for election.

No Stockholder Action by Written Consent

Our certificate of incorporation and our bylaws provide that our stockholders may not act by written consent which may require our stockholders to wait for a regularly scheduled annual meeting to change the composition of our board of directors. (Section 6.03 of our certificate of incorporation and Section 2.10 of our bylaws)

Ability to Call Special Meeting of Stockholders

Our certificate of incorporation and our bylaws provide that special meetings of stockholders may be called at any time by our board of directors pursuant to a resolution duly adopted by a majority of the members of our board of directors and our stockholders holding at least 25% of the outstanding shares of common stock, subject to the procedures and other requirements set forth in our bylaws. (Section 6.03 of our certificate of incorporation and Section 2.02 of our bylaws)

Advance Notification of Stockholder Nominations and Proposals

Our certificate of incorporation and our bylaws provide that in order for nominations of directors or other business to be properly brought before an annual meeting by our stockholders, subject to certain limited exceptions, the stockholders must give notice to us not less than 90 days nor more than 120 days prior to the anniversary of our previous annual meeting of stockholders. The notice must contain specific information regarding the nominee for director, or other business to be addressed, as well as information regarding the stockholder who is proposing the nomination. (Section 6.04 of our certificate of incorporation and Section 2.03 of our bylaws)

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Amendments to Bylaws

Our certificate of incorporation and our bylaws provide that our board of directors is expressly authorized to make, alter, amend or repeal the bylaws without the assent or vote of our stockholders. Our certificate of incorporation and our bylaws also provide that our stockholders may, at any annual or special meeting, make, alter, amend or repeal the bylaws by the affirmative vote of a majority of the votes cast for and against the adoption, alteration, amendment or repeal by the holders of shares of our stock present in person or represented by proxy at a meeting of our stockholders and entitled to vote on the adoption, alteration, amendment or repeal. (Section 11.01 of our certificate of incorporation and Section 9.01 of our bylaws)

Business Combinations under Delaware Law

We are a Delaware corporation. Section 203 of the DGCL prohibits a Delaware corporation from engaging in a business combination with an “interested stockholder” for a period of three years after the date of the transaction in which the person became an interested stockholder. The term “business combination” is broadly defined to include mergers, consolidations, and sales and other dispositions of assets having an aggregate market value equal to 10% or more of the consolidated assets of the corporation, and other specified transactions resulting in financial benefits to the interested stockholder. Under Section 203, an “interested stockholder” generally is defined as a person who, together with affiliates and associates, owns (or within the three prior years did own) 15% or more of the corporation’s outstanding voting stock.

This prohibition is effective unless:

·                  the business combination or the transaction that resulted in the interested stockholder becoming an interested stockholder is approved by the corporation’s board of directors prior to the time the interested stockholder becomes an interested stockholder;

·                  upon consummation of the transaction that resulted in the interested stockholder becoming an interested stockholder, the interested stockholder owned at least 85% of the voting stock of the corporation, other than stock held by directors who are also officers or by specified employee stock plans; or

·                  at or after the time the stockholder becomes an interested stockholder, the business combination is approved by a majority of the board of directors and, at an annual or special meeting, by the affirmative vote of two-thirds of the outstanding voting stock that is not owned by the interested stockholder.

These restrictions generally prohibit or delay the accomplishment of mergers or other takeover or change-in-control attempts that are not approved by a company’s board of directors. A corporation can elect to have Section 203 of the DGCL not apply to it by expressly providing so in its certificate of incorporation or bylaws; we have not made such an election. (Section 9.01 of our certificate of incorporation)

Limitation of Personal Liability of Directors and Officers

Our certificate of incorporation provides that our directors are entitled to the benefits of all limitations on the liability of directors that are now or hereafter become available under the DGCL. The DGCL authorizes corporations to limit or eliminate the personal liability of directors to corporations and their stockholders for monetary damages for breaches of directors’ fiduciary duties. The DGCL does not permit exculpation for liability:

·                  for any breach of the director’s duty of loyalty to us or our stockholders,

·                  for acts or omissions not in good faith or which involve intentional misconduct or a knowing violation of law,

·                  under section 174 of the Delaware law, which pertains, among other things, to liability for the unlawful payment of dividends, or

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·                  for any transaction from which the director derived an improper personal benefit. (Section 7.01)

In addition, subject to certain exceptions set forth therein, our certificate of incorporation provides that we will indemnify any person who is or was a director or officer of ours, or is or was serving at our request as a director, officer or trustee of another corporation, trust or other enterprise, with respect to actions taken or omitted by such person in any capacity in which such person serves us or such other corporation, trust or other enterprise, to the full extent authorized or permitted by law, as now or hereafter in effect, and such right to indemnification will continue as to a person who has ceased to be a director, officer or trustee, as the case may be, and will inure to the benefit of such person’s heirs, executors and personal and legal representatives. (Section 7.02)

In addition, our certificate of incorporation provides that a corporation may advance to a director or officer expenses incurred in defending any action in advance of its final disposition. (Section 7.03)

The limitation of liability, indemnification and advancement of expenses provisions in our certificate of incorporation may discourage stockholders from bringing a lawsuit against directors for breach of their fiduciary duty. These provisions may also have the effect of reducing the likelihood of derivative litigation against directors and officers, even though such an action, if successful, might otherwise benefit us and our stockholders. In addition, your investment may be adversely affected to the extent we pay the costs of settlement and damage awards against directors and officers in accordance with these indemnification provisions.

Transfer Agent and Registrar

Computershare serves as the registrar and transfer agent for our common stock. The transfer agent for any series of preferred stock covered by this prospectus will be identified in the prospectus supplement relating to that series of preferred stock.

Stock Exchange Listing

Our common stock is listed on the New York Stock Exchange under the trading symbol “ABC.” We have not yet determined whether any series of preferred stock covered by this prospectus will be listed on any exchange, inter-dealer quotation system or over-the-counter market. If we decide to seek listing of any series of preferred stock upon issuance, the prospectus supplement relating to that series of preferred stock will disclose the exchange, quotation system or market on which such preferred stock will be listed.

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DESCRIPTION OF DEBT SECURITIES

The debt securities will be issued under an indenture, dated as of November 19, 2009, between us and U.S. Bank National Association, as trustee, or any other trustee named in the applicable prospectus supplement. We have filed the indenture with the SEC as an exhibit to the registration statement of which this prospectus forms a part. The following summary of certain general terms and provisions of the indenture is not complete and is qualified in its entirety by reference to the indenture. Throughout the summary we have included parenthetical references to the indenture sections to help you locate the provisions being discussed. The indenture is subject to and governed by the Trust Indenture Act of 1939, as amended.

When we offer to sell a particular series of debt securities, we will describe the specific terms for the securities in a prospectus supplement. The prospectus supplement will also indicate whether the general terms and provisions described in this prospectus apply to a particular series of debt securities. Accordingly, for a description of the terms of a particular series of debt securities, reference must be made to both the prospectus supplement relating thereto and to the following summary.

As used in this section of the prospectus, references to “holders” mean those who own debt securities registered in their own names on the books that we or the trustee maintain for this purpose, and not those who own beneficial interests in debt securities registered in street name or in debt securities issued in book-entry form through one or more depositaries. Owners of beneficial interests in the debt securities should read the section below entitled “Legal Ownership of Debt Securities.”

General

The indenture provides that we may issue unsecured senior or subordinated debt securities from time to time in one or more series, with different terms. The senior debt securities will constitute unsecured and unsubordinated obligations of ours and will rank pari passu with our other unsecured and unsubordinated obligations. The subordinated debt securities will constitute our unsecured and subordinated obligations and will be junior in right of payment to our “senior indebtedness” (including senior debt securities), as described below under the heading “Subordinated Debt.” Because the debt securities (both senior and subordinated) will be our unsecured obligations, our secured debt and other secured obligations will be effectively senior to the debt securities to the extent of the value of the assets securing such debt or other obligations.

We conduct most of our operations through subsidiaries. Consequently, our ability to pay our obligations, including our obligation to pay principal or interest on the debt securities, to pay the debt securities at maturity or upon redemption or to buy the debt securities may depend on our subsidiaries repaying investments and advances we have made to them, and on our subsidiaries’ earnings and their distributing those earnings to us. The debt securities will be effectively subordinated to all obligations (including trade payables and preferred stock obligations) of our subsidiaries. Our subsidiaries are separate and distinct legal entities and have no obligation, contingent or otherwise, to pay any amounts due on the debt securities or to make funds available to us to do so. Our subsidiaries’ ability to pay dividends or make other payments or advances to us will depend on their operating results and will be subject to applicable laws and contractual restrictions. The indenture does not limit our subsidiaries’ ability to enter into other agreements that prohibit or restrict dividends or other payments or advances to us.

The indenture does not limit the amount of debt securities that we may issue. We have the right, from time to time, to issue debt securities of any series previously issued. (Section 3.01)

The prospectus supplement will describe the terms of any debt securities being offered, including:

·                  classification as senior or subordinated debt securities;

·                  ranking of the specific series of debt securities relative to other outstanding indebtedness, including subsidiaries’ debt;

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·                  if the debt securities are subordinated, the aggregate amount of outstanding indebtedness, as of a recent date, that is senior to the subordinated securities, and any limitation on the issuance of additional senior indebtedness;

·                  the designation, aggregate principal amount and authorized denominations;

·                  the maturity date;

·                  the interest rate, if any, and the method for calculating the interest rate;

·                  the interest payment dates and the record dates for the interest payments;

·                  any mandatory or optional redemption terms or prepayment, conversion, sinking fund or exchangeability or convertibility provisions;

·                  the place where we will pay principal and interest;

·                  if other than denominations of $1,000 or multiples of $1,000, the denominations the debt securities will be issued in;

·                  whether the debt securities will be issued in the form of global securities or certificates;

·                  the inapplicability of and additional provisions, if any, relating to the defeasance of the debt securities;

·                  the currency or currencies, if other than the currency of the United States, in which principal and interest will be paid;

·                  any material United States federal income tax consequences;

·                  the dates on which premium, if any, will be paid;

·                  our right, if any, to defer payment of interest and the maximum length of this deferral period;

·                  any listing on a securities exchange;

·                  the initial public offering price; and

·                  other specific terms, including any additional events of default or covenants. (Section 3.01)

Subordinated Debt

Subordinated debt securities will be subordinate and junior in right of payment, to the extent and in the manner set forth in the indenture, to all of our “senior indebtedness.” The indenture defines “senior indebtedness” as all obligations or indebtedness of, or guaranteed or assumed by, us for borrowed money whether or not represented by bonds, debentures, notes or other similar instruments, and amendments, renewals, extensions, modifications and refundings of any such indebtedness or obligation, in each case, whether outstanding on the date hereof or the date the subordinated debt securities are issued or created, incurred, or thereafter guaranteed or assumed. “Senior indebtedness” does not include the subordinated debt securities or any other obligations specifically designated as being subordinate in right of payment to senior indebtedness. (Section 13.01)

In general, the holders of all senior indebtedness are first entitled to receive payment of the full amount unpaid on senior indebtedness before the holders of any of the subordinated debt securities are entitled to receive a payment on account of the principal or interest on the indebtedness evidenced by the subordinated debt securities in certain events. (Section 13.01) These events include:

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·                  any insolvency or bankruptcy proceedings, or any receivership, liquidation, reorganization or other similar proceedings which concern us or a substantial part of our property;

·                  a default having occurred for the payment of principal, premium, if any, or interest on or other monetary amounts due and payable on any senior indebtedness or any other default having occurred concerning any senior indebtedness, which permits the holder or holders of any senior indebtedness to accelerate the maturity of any senior indebtedness with notice or lapse of time, or both. Such an event of default must have continued beyond the period of grace, if any, provided for such event of default, and such an event of default shall not have been cured or waived or shall not have ceased to exist; or

·                  the principal of, and accrued interest on, any series of the subordinated debt securities having been declared due and payable upon an event of default pursuant to Section 5.02 of the indenture. This declaration must not have been rescinded and annulled as provided in the indenture. (Sections 13.02, 13.03, 13.04, and 13.05)

Because the subordinated debt securities will be our unsecured obligations, our secured debt and other secured obligations will also be effectively senior to the subordinated debt securities to the extent of the value of the assets securing such debt or other obligations.

Events of Default

When we use the term “Event of Default” in the indenture with respect to the debt securities of any series, here are some examples of what we mean:

(1)                                 default in paying interest on the debt securities when it becomes due and the default continues for a period of 30 days or more;

(2)                                 default in paying principal, or premium, if any, on the debt securities when due;

(3)                                 default is made in the payment of any sinking or purchase fund or analogous obligation when the same becomes due, and such default continues for 30 days or more;

(4)                                 default in the performance, or breach, of any covenant in the indenture (other than defaults specified in clause (1), (2) or (3) above) and the default or breach continues for a period of 90 days or more after we receive written notice from the trustee or we and the trustee receive notice from the holders of at least 51% in aggregate principal amount of the outstanding debt securities of the series;

(5)                                 certain events of bankruptcy, insolvency, reorganization, administration or similar proceedings with respect to AmerisourceBergen Corporation has occurred; or

(6)                                 any other Events of Default set forth in the prospectus supplement. (Section 5.01)

If an Event of Default (other than an Event of Default specified in clause (5)) under the indenture occurs with respect to the debt securities of any series and is continuing, then the trustee or the holders of at least 51% in principal amount of the outstanding debt securities of that series may by written notice require us to repay immediately the entire principal amount of the outstanding debt securities of that series (or such lesser amount as may be provided in the terms of the securities), together with all accrued and unpaid interest and premium, if any. (Section 5.02) If an Event of Default under the indenture specified in clause (5) occurs and is continuing, then the entire principal amount of the outstanding debt securities (or such lesser amount as may be provided in the terms of the securities) will automatically become due and payable immediately without any declaration or other act on the part of the trustee or any holder. (Section 5.02)

After a declaration of acceleration, the holders of a majority in principal amount of outstanding debt securities of any series may rescind this accelerated payment requirement if all existing Events of Default, except for nonpayment of the principal and interest on the debt securities of that series that has become due solely as a result of

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the accelerated payment requirement, have been cured or waived and if the rescission of acceleration would not conflict with any judgment or decree. (Section 5.02) The holders of a majority in principal amount of the outstanding debt securities of any series also have the right to waive past defaults, except a default in paying principal or interest on any outstanding debt security, or in respect of a covenant or a provision that cannot be modified or amended without the consent of all holders of the debt securities of that series. (Section 5.13)

Holders of at least 51% in principal amount of the outstanding debt securities of a series may seek to institute a proceeding only after they have notified the trustee of a continuing Event of Default in writing and made a written request, and offered reasonable indemnity, to the trustee to institute a proceeding and the trustee has failed to do so within 60 days after it received this notice. In addition, within this 60-day period the trustee must not have received directions inconsistent with this written request by holders of a majority in principal amount of the outstanding debt securities of that series. (Section 5.07) These limitations do not apply, however, to a suit instituted by a holder of a debt security for the enforcement of the payment of principal, interest or any premium on or after the due dates for such payment. (Section 5.08)

During the existence of an Event of Default, the trustee is required to exercise the rights and powers vested in it under the indenture and use the same degree of care and skill in its exercise as a prudent man would under the circumstances in the conduct of that person’s own affairs. (Section 6.01) If an Event of Default has occurred and is continuing, the trustee is not under any obligation to exercise any of its rights or powers at the request or direction of any of the holders unless the holders have offered to the trustee reasonable security or indemnity. (Section 5.07) Subject to certain provisions, the holders of a majority in principal amount of the outstanding debt securities of any series have the right to direct the time, method and place of conducting any proceeding for any remedy available to the trustee, or exercising any trust, or power conferred on the trustee. (Section 5.12)

The trustee will, within 90 days after any default occurs, give notice of the default to the holders of the debt securities of that series, unless the default was already cured or waived. Unless there is a default in paying principal, interest or any premium when due, the trustee can withhold giving notice to the holders if it determines in good faith that the withholding of notice is in the interest of the holders. (Section 6.02)

Modification and Waiver

The indenture may be amended or modified without the consent of any holder of debt securities in order to:

·                  evidence a succession of the trustee;

·                  cure ambiguities, defects or inconsistencies;

·                  provide for the assumption of our obligations in the case of a merger or consolidation or transfer of all or substantially all of our assets;

·                  make any change that would provide any additional rights or benefits to the holders of the debt securities of a series;

·                  add guarantors with respect to the debt securities of any series;

·                  secure the debt securities of a series;

·                  establish the form or forms of debt securities of any series;

·                  maintain the qualification of the indenture under the Trust Indenture Act; or

·                  make any change that does not adversely affect in any material respect the interests of any holder. (Section 9.01)

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Other amendments and modifications of the indenture or the debt securities issued may be made with the consent of the holders of not less than a majority of the aggregate principal amount of the outstanding debt securities of each series affected by the amendment or modification. However, no modification or amendment may, without the consent of the holder of each outstanding debt security affected:

·                  reduce the principal amount, or extend the fixed maturity, of the debt securities;

·                  alter or waive the redemption provisions of the debt securities;

·                  change the currency in which principal, any premium or interest is paid;

·                  reduce the percentage in principal amount outstanding of debt securities of any series which must consent to an amendment, supplement or waiver or consent to take any action;

·                  impair the right to institute suit for the enforcement of any payment on the debt securities;

·                  waive a payment default with respect to the debt securities or any guarantor;

·                  reduce the interest rate or extend the time for payment of interest on the debt securities;

·                  adversely affect the ranking of the debt securities of any series; or

·                  release any guarantor from any of its obligations under its guarantee or the indenture, except in compliance with the terms of the indenture. (Section 9.02)

Consolidation, Merger or Sale of Assets

The indenture provides that we may consolidate or merge with or into, or convey or transfer all or substantially all of our assets to, any entity (including, without limitation, a limited partnership or a limited liability company); provided that:

·                  we will be the surviving corporation or, if not, that the successor will be a corporation that is organized and validly existing under the laws of any state of the United States of America or the District of Columbia and will expressly assume by a supplemental indenture our obligations under the indenture and the debt securities;

·                  immediately after giving effect to such transaction, no Event of Default, and no default or other event which, after notice or lapse of time, or both, would become an Event of Default, will have happened and be continuing; and

·                  we will have delivered to the trustee an opinion of counsel, stating that such consolidation, merger, conveyance or transfer complies with the indenture. (Section 8.01)

In the event of any such consolidation, merger, conveyance, transfer or lease, any such successor will succeed to and be substituted for us as obligor on the debt securities with the same effect as if it had been named in the indenture as obligor. (Section 8.02)

No Restrictive Covenants; No Protection in the Event of a Change of Control

Unless otherwise indicated in a prospectus supplement applicable to a particular series of debt securities, the indenture will not contain any restrictive covenants, including covenants restricting either us or our subsidiaries from:

·                  entering into one or more additional indentures providing for the issuance of debt securities;

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·                  from incurring, assuming, or becoming liable with respect to any indebtedness or other obligation, whether secured or unsecured;

·                  from entering into sale and leaseback transactions;

·                  from paying dividends or making other distributions on our respective capital stock; or

·                  from purchasing or redeeming our respective capital stock.

Also, unless otherwise indicated in a prospectus supplement applicable to a particular series of debt securities, the indenture will not contain any financial ratios or specified levels of net worth or liquidity to which either we or our subsidiaries must adhere or contain any provision that would require us to repurchase, redeem, or otherwise modify the terms of any of the debt securities upon a change in control or other event involving us that may adversely affect our creditworthiness or the value of the debt securities.

Satisfaction, Discharge and Covenant Defeasance

We may terminate our obligations under the indenture, when:

·                  either:

·                  all debt securities of any series issued that have been authenticated and delivered have been delivered to the trustee for cancellation; or

·                  all the debt securities of any series issued that have not been delivered to the trustee for cancellation have become due and payable, will become due and payable within one year, or are to be called for redemption within one year and we have made arrangements satisfactory to the trustee for the giving of notice of redemption by such trustee in our name and at our expense, and in each case, we have irrevocably deposited or caused to be deposited with the trustee sufficient funds to pay and discharge the entire indebtedness on the series of debt securities to pay principal, interest and any premium; and

·                  we have paid or caused to be paid all other sums then due and payable under the indenture; and

·                  we have delivered to the trustee an officers’ certificate and an opinion of counsel, each stating that all conditions precedent under the indenture relating to the satisfaction and discharge of the indenture have been complied with. (Section 4.01)

We may elect to have our obligations under the indenture discharged with respect to the outstanding debt securities of any series (“legal defeasance”). Legal defeasance means that we will be deemed to have paid and discharged the entire indebtedness represented by the outstanding debt securities of such series under the indenture, except for:

·                  the rights of holders of the debt securities to receive principal, interest and any premium when due;

·                  our obligations with respect to the debt securities concerning issuing temporary debt securities, registration of transfer of debt securities, mutilated, destroyed, lost or stolen debt securities and the maintenance of an office or agency for payment for security payments held in trust;

·                  the rights, powers, trusts, duties and immunities of the trustee; and

·                  the defeasance provisions of the indenture. (Section 4.01)

In addition, we may elect to have our obligations released with respect to certain covenants in the indenture (“covenant defeasance”). Any omission to comply with these obligations will not constitute a default or an Event of Default with respect to the debt securities of any series. In the event covenant defeasance occurs, certain events, not

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including non-payment, bankruptcy and insolvency events, described under “Events of Default” above will no longer constitute an Event of Default for that series. (Section 4.03)

In order to exercise either legal defeasance or covenant defeasance with respect to outstanding debt securities of any series:

·                  we must irrevocably have deposited or caused to be deposited with the trustee as trust funds for the purpose of making the following payments, specifically pledged as security for, and dedicated solely to the benefits of the holders of the debt securities of a series:

·                  money in an amount;

·                  U.S. government obligations (or equivalent government obligations in the case of debt securities denominated in other than U.S. dollars or a specified currency) that will provide, not later than one day before the due date of any payment, money in an amount; or

·                  a combination of money and U.S. government obligations (or equivalent government obligations, as applicable),

in each case sufficient, in the written opinion (with respect to U.S. or equivalent government obligations or a combination of money and U.S. or equivalent government obligations, as applicable) of a nationally recognized firm of independent registered public accountants to pay and discharge, and which shall be applied by the trustee to pay and discharge, all of the principal (including mandatory sinking fund payments), interest and any premium at due date or maturity;

·                  in the case of legal defeasance, we have delivered to the trustee an opinion of counsel stating that, under then applicable federal income tax law, the holders of the debt securities of that series will not recognize income, gain or loss for federal income tax purposes as a result of the deposit, defeasance and discharge to be effected and will be subject to the same federal income tax as would be the case if the deposit, defeasance and discharge did not occur;

·                  in the case of covenant defeasance, we have delivered to the trustee an opinion of counsel to the effect that the holders of the debt securities of that series will not recognize income, gain or loss for U.S. federal income tax purposes as a result of the deposit and covenant defeasance to be effected and will be subject to the same federal income tax as would be the case if the deposit and covenant defeasance did not occur;

·                  no Event of Default or default with respect to the outstanding debt securities of that series has occurred and is continuing at the time of such deposit after giving effect to the deposit or, in the case of legal defeasance, no default relating to bankruptcy or insolvency has occurred and is continuing at any time on or before the 91st day after the date of such deposit, it being understood that this condition is not deemed satisfied until after the 91st day;

·                  the legal defeasance or covenant defeasance will not cause the trustee to have a conflicting interest within the meaning of the Trust Indenture Act, assuming all debt securities of a series were in default within the meaning of such Act;

·                  the legal defeasance or covenant defeasance will not result in a breach or violation of, or constitute a default under, any other agreement or instrument to which we are a party;

·                  the legal defeasance or covenant defeasance will not result in the trust arising from such deposit constituting an investment company within the meaning of the Investment Company Act of 1940, as amended, unless the trust is registered under such act or exempt from registration; and

·                  we have delivered to the trustee an officers’ certificate and an opinion of counsel stating that all conditions precedent with respect to the defeasance or covenant defeasance have been complied with. (Sections 4.01 and 4.02)

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Governing Law

Unless otherwise stated in the prospectus supplement, the debt securities and the indentures will be governed by New York law. (Section 1.12)

No Personal Liability of Directors, Officers, Stockholders or Employees

The indenture provides that there will be no recourse against any of our incorporators, stockholders, directors, officers or employees, past, present or future, for the payment of the principal of, premium, if any, or the interest, if any, on any securities of any series authenticated and delivered from time to time under the indenture, or for any claim based on such securities, or upon any obligation, covenant or agreement of the indenture. The indenture also provides that all such securities are solely corporate obligations, and that no personal liability attaches or will attach to any such incorporator, stockholder, director, officer or employee because of the incurring of the indebtedness authorized under the indenture. Each holder, as a condition of, and as part of the consideration for, the execution of the indenture and the issuance of such debt securities, waives and releases all such personal liability.

Concerning our Relationship with the Trustee

U.S. Bank is a participating lender in connection with our senior unsecured revolving credit facility, which we generally refer to as our “multi-currency revolving credit facility”. In addition, U.S. Bank provides certain cash management services to us and our subsidiaries.

Transfer and Exchange

The debt securities may be presented for exchange, and debt securities other than a global security may be presented for registration of transfer, at the principal corporate trust office or agency of the trustee. Holders will not have to pay any service charge for any registration of transfer or exchange of debt securities, but we may require payment of a sum sufficient to cover any tax or other governmental charge payable in connection with such registration of transfer or exchange of debt securities. (Section 3.05)

Legal Ownership of Debt Securities

Unless the prospectus supplement specifies otherwise, we will issue debt securities initially in the form of a global security. However, we may elect to issue debt securities in fully registered form. We refer to those who have debt securities registered in their own names on the books that we or our agent maintain for this purpose as the “holders” of those debt securities. These persons are the legal holders of the debt securities. We refer to those who, indirectly through others, own beneficial interests in debt securities that are not registered in their own names as “indirect holders” of those debt securities. As we discuss below, indirect holders are not legal holders, and investors in debt securities issued in book-entry form or in street name will be indirect holders.

Book-Entry Holders

If we issue debt securities in global—i.e., book-entry—form, the debt securities will be represented by one or more global securities registered in the name of a financial institution that holds them as depositary on behalf of other financial institutions that participate in the depositary’s book-entry system. These participating institutions, in turn, hold beneficial interests in the debt securities on behalf of themselves or their customers.

For registered debt securities, only the person in whose name a debt security is registered is recognized under the indenture as the holder of that debt security. (Section 3.08) Debt securities issued in global form will be issued in the form of a global security registered in the name of the depositary or its nominees. Consequently, for debt securities issued in global form, we will recognize only the depositary as the holder of the debt securities and we will make all payments on the debt securities to the depositary. The depositary passes along the payments it receives to its participants, which in turn pass the payments along to their customers who are the beneficial owners. The depositary and its participants do so under agreements they have made with one another or with their customers; they are not obligated to do so under the terms of the debt securities.

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As a result, investors in a book-entry security will not own debt securities directly. Instead, they will own beneficial interests in a global security, through a bank, broker or other financial institution that participates in the depositary’s book-entry system or holds an interest through a participant. As long as the debt securities are issued in global form, investors will be indirect holders, and not holders, of the debt securities.

In the future, we may terminate a global security under the circumstances specified below under the heading “What Is a Global Security?—Special Situations When a Global Security Will Be Terminated” or issue debt securities initially in non-global form. In these cases, investors may choose to hold their debt securities in their own names or in “street name.” Debt securities held by an investor in street name would be registered in the name of a bank, broker or other financial institution that the investor chooses, and the investor would hold only a beneficial interest in those debt securities through an account he or she maintains at that institution.

For debt securities held in street name, we will recognize only the intermediary banks, brokers and other financial institutions in whose names the debt securities are registered as the holders of those debt securities and we will make all payments on those debt securities to them. These institutions pass along the payments they receive to their customers who are the beneficial owners, but only because they agree to do so in their customer agreements or because they are legally required to do so. Investors who hold debt securities in street name will be indirect holders, not holders, of those debt securities.

Legal Holders

Our obligations, as well as the obligations of the trustee and those of any third parties employed by us or the trustee, run only to the legal holders of the debt securities. We do not have obligations to investors who hold beneficial interests in global securities, in street name or by any other indirect means. This will be the case whether an investor chooses to be an indirect holder of a debt security or has no choice because we are issuing the debt securities only in global form.

For example, once we make a payment or give a notice to the holder, we have no further responsibility for the payment or notice even if that holder is required, under agreements with depositary participants or customers or by law, to pass it along to the indirect holders but does not do so. Similarly, if we want to obtain the approval of the holders for any purpose—e.g., to amend the applicable indenture or to relieve us of the consequences of a default or of our obligation to comply with a particular provision of the applicable indenture—we would seek approval only from the holders, and not the indirect holders, of the debt securities. Whether and how the holders contact the indirect holders is up to the holders.

When we refer below to “you,” we mean those who invest in the debt securities being offered by this prospectus, whether they are the holders or only indirect holders of those debt securities. When we refer to “your debt securities,” we mean the debt securities in which you hold a direct or indirect interest.

Special Considerations for Indirect Holders

If you hold debt securities through a bank, broker or other financial institution, either in book-entry form or in street name, you should check with your own institution to find out:

·                  how it handles securities payments and notices;

·                  whether it imposes fees or charges;

·                  how it would handle a request for the holders’ consent, if ever required;

·                  whether and how you can instruct it to send you debt securities registered in your own name so you can be a holder, if that is permitted in the future;

·                  how it would exercise rights under the debt securities if there were a default or other event triggering the need for holders to act to protect their interests; and

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·                  if the debt securities are in book-entry form, how the depositary’s rules and procedures will affect these matters.

What Is a Global Security?

A global security is a security that represents one or more debt securities and is held by a depositary. Generally, all debt securities represented by the same global securities will have the same terms.

Each debt security issued in book-entry form will be represented by a global security that we deposit with and register in the name of a financial institution that we select or its nominees. The financial institution that we select for this purpose is called the depositary.

A global security may not be transferred to or registered in the name of anyone other than the depositary, its nominee or a successor depositary, unless special termination situations arise. We describe those situations below under the heading “Special Situations When a Global Security Will Be Terminated.” As a result of these arrangements, the depositary, or its nominee, will be the sole registered owner and holder of all debt securities represented by a global security, and investors will be permitted to own only beneficial interests in a global security. Beneficial interests must be held by means of an account with a broker, bank or other financial institution that in turn has an account with the depositary or with another institution that does. Thus, an investor whose security is represented by a global security will not be a holder of the debt security, but only an indirect holder of a beneficial interest in the global security.

If the prospectus supplement for a particular debt security indicates that the debt security will be issued in global form only, then the debt security will be represented by a global security at all times unless and until the global security is terminated. We describe the situations in which this can occur below under the heading “Special Situations When a Global Security Will Be Terminated.” If termination occurs, we may issue the debt securities through another book-entry clearing system or decide that the debt securities may no longer be held through any book-entry clearing system.

Special Considerations for Global Securities

As an indirect holder, an investor’s rights relating to a global security will be governed by the account rules of the investor’s financial institution and of the depositary, as well as general laws relating to securities transfers. We do not recognize this type of investor as a holder of debt securities and instead deal only with the depositary that holds the global security.

If debt securities are issued only in the form of a global security, an investor should be aware of the following:

·                  An investor cannot cause the debt securities to be registered in his or her name, and cannot obtain non-global certificates for his or her interest in the debt securities, except in the special situations we describe below;

·                  An investor will be an indirect holder and must look to his or her own bank or broker for payments on the debt securities and protection of his or her legal rights relating to the debt securities, as we describe under the heading “Legal Ownership of Debt Securities” above;

·                  An investor may not be able to sell interests in the debt securities to some insurance companies and to other institutions that are required by law to own their securities in non-book-entry form;

·                  An investor may not be able to pledge his or her interest in a global security in circumstances where certificates representing the debt securities must be delivered to the lender or other beneficiary of the pledge in order for the pledge to be effective;

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·                  The depositary’s policies, which may change from time to time, will govern payments, transfers, exchanges and other matters relating to an investor’s interest in a global security. We and the trustee have no responsibility for any aspect of the depositary’s actions or for its records of ownership interests in a global security. We and the trustee also do not supervise the depositary in any way;

·                  The depositary may require that those who purchase and sell interests in a global security within its book-entry system use immediately available funds and your broker or bank may require you to do so as well; and

·                  Financial institutions that participate in the depositary’s book-entry system, and through which an investor holds its interest in a global security, may also have their own policies affecting payments, notices and other matters relating to the debt securities. There may be more than one financial intermediary in the chain of ownership for an investor. We do not monitor and are not responsible for the actions of any of those intermediaries.

Special Situations When a Global Security Will Be Terminated

In a few special situations described below, the global security will terminate and interests in it will be exchanged for physical certificates representing those interests. After that exchange, the choice of whether to hold securities directly or in street name will be up to the investor. Investors must consult their own bank or brokers to find out how to have their interests in securities transferred to their own name, so that they will be direct holders. We have described the rights of holders and street name investors above under the heading “Legal Ownership of Debt Securities.”

The global security will terminate when the following special situations occur:

·                  if the depositary notifies us that it is unwilling, unable or no longer permitted under applicable law to continue as depositary for that global security and we do not appoint another institution to act as depositary within 90 days; or

·                  if we notify the trustee that we wish to terminate that global security.

The prospectus supplement may also list additional situations for terminating a global security that would apply only to the particular series of securities covered by the prospectus supplement. When a global security terminates, the depositary—and not we or the trustee—is responsible for deciding the names of the institutions that will be the initial direct holders.

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DESCRIPTION OF DEPOSITARY SHARES

The following summary of certain provisions of the depositary shares is not complete and is subject to, and qualified in its entirety by reference to, the provisions of the depositary agreement and related depositary receipts that will be filed with the SEC in connection with the offering of such depositary shares. You should refer to the provisions of the applicable depositary agreement and related depositary receipt and applicable prospectus supplement for more specific information about the depositary shares we may offer. If any particular terms of the depositary agreements and related depositary receipts described in the applicable prospectus supplement differ from any of the terms described herein, then the terms described herein will be deemed superseded by that prospectus supplement.

General

We may offer fractional shares of preferred stock, rather than full shares of preferred stock. If we decide to offer fractional shares of our preferred stock, we will issue receipts for depositary shares. Each depositary share will represent a fraction of a share of a particular series of our preferred stock, and the applicable prospectus supplement will indicate that fraction. The shares of preferred stock represented by depositary shares will be deposited under a deposit agreement between us and a depositary that is a bank or trust company that meets certain requirements and is selected by us. The depositary will be specified in the applicable prospectus supplement. Each owner of a depositary share will be entitled to all of the rights and preferences of the preferred stock represented by the depositary share. The depositary shares will be evidenced by depositary receipts issued pursuant to the deposit agreement. Depositary receipts will be distributed to those persons purchasing the fractional shares of our preferred stock in accordance with the terms of the offering.

Dividends and Other Distributions

The depositary will distribute all cash dividends or other cash distributions received by it in respect of the preferred stock to the record holders of depositary shares relating to such preferred shares in proportion to the numbers of depositary shares held on the relevant record date.

In the event of a distribution other than in cash, the depositary will distribute securities or property received by it to the record holders of depositary shares in proportion to the numbers of depositary shares held on the relevant record date, unless the depositary determines that it is not feasible to make such distribution. In that case, the depositary may make the distribution by such method as it deems equitable and practicable. One such possible method is for the depositary to sell the securities or property and then distribute the net proceeds from the sale as provided in the case of a cash distribution.

Redemption of Depositary Shares

Whenever we redeem the preferred stock, the depositary will redeem a number of depositary shares representing the same number of shares of preferred stock so redeemed. If fewer than all of the depositary shares are to be redeemed, the depositary shares to be redeemed will be selected by lot, pro rata or by any other equitable method as the depositary may determine.

Voting of Underlying Shares

Upon receipt of notice of any meeting at which the holders of our preferred stock of any series are entitled to vote, the depositary will mail the information contained in the notice of the meeting to the record holders of the depositary shares relating to that series of preferred stock. Each record holder of the depositary shares on the record date will be entitled to instruct the depositary as to the exercise of the voting rights represented by the number of shares of preferred stock underlying the holder’s depositary shares. The depositary will endeavor, to the extent it is practical to do so, to vote the number of whole shares of preferred stock underlying such depositary shares in accordance with such instructions. We will agree to take all action that the depositary may deem reasonably necessary in order to enable the depositary to do so. To the extent the depositary does not receive specific

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instructions from the holders of depositary shares relating to such preferred shares, it will abstain from voting such shares of preferred stock.

Withdrawal of Shares

Upon surrender of depositary receipts representing any number of whole shares at the depositary’s office, unless the related depositary shares previously have been called for redemption, the holder of the depositary shares evidenced by the depositary receipts will be entitled to delivery of the number of whole shares of the related series of preferred stock and all money and other property, if any, underlying such depositary shares. However, once such an exchange is made, the preferred stock cannot thereafter be redeposited in exchange for depositary shares. Holders of depositary shares will be entitled to receive whole shares of the related series of preferred stock on the basis set forth in the applicable prospectus supplement. If the depositary receipts delivered by the holder evidence a number of depositary shares representing more than the number of whole shares of preferred stock of the related series to be withdrawn, the depositary will deliver to the holder at the same time a new depositary receipt evidencing the excess number of depositary shares.

Amendment and Termination of Depositary Agreement

The form of depositary receipt evidencing the depositary shares and any provision of the applicable depositary agreement may at any time be amended by agreement between us and the depositary. We may, with the consent of the depositary, amend the depositary agreement from time to time in any manner that we desire. However, if the amendment would materially and adversely alter the rights of the existing holders of depositary shares, the amendment would need to be approved by the holders of at least a majority of the depositary shares then outstanding.

The depositary agreement may be terminated by us or the depositary if:

·                  all outstanding depositary shares have been redeemed; or

·                  there has been a final distribution in respect of the shares of preferred stock of the applicable series in connection with our liquidation, dissolution or winding up and such distribution has been made to the holders of depositary receipts.

Resignation and Removal of Depositary

The depositary may resign at any time by delivering to us notice of its election to do so. We may remove a depositary at any time. Any resignation or removal will take effect upon the appointment of a successor depositary and its acceptance of appointment.

Charges of Depositary

We will pay all transfer and other taxes and governmental charges arising solely from the existence of any depositary arrangements. We will pay all charges of each depositary in connection with the initial deposit of the preferred shares of any series, the initial issuance of the depositary shares, any redemption of such preferred shares and any withdrawals of such preferred shares by holders of depositary shares. Holders of depositary shares will be required to pay any other transfer taxes.

Notices

Each depositary will forward to the holders of the applicable depositary shares all notices, reports and communications from us which are delivered to such depositary and which we are required to furnish the holders of the preferred stock represented by such depositary shares.

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Miscellaneous

The depositary agreement contains provisions that limit our liability and the liability of the depositary to the holders of depositary shares. Both the depositary and we are also entitled to an indemnity from the holders of the depositary shares prior to bringing, or defending against, any legal proceeding. We or any depositary may rely upon written advice of counsel or accountants, or information provided by persons presenting preferred shares for deposit, holders of depositary shares or other persons believed by us to be competent and on documents believed by us or them to be genuine.

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DESCRIPTION OF WARRANTS

The following summary of certain provisions of the warrants is not complete and is subject to, and qualified in its entirety by reference to, the provisions of the warrant and warrant agreement that will be filed with the SEC in connection with the offering of such warrants. You should refer to the provisions of the applicable warrant and warrant agreement and applicable prospectus supplement for more specific information about the warrants we offer. If any particular terms of the warrant or warrant agreement described in the applicable prospectus supplement differ from any of the terms described herein, then the terms described herein will be deemed superseded by that prospectus supplement.

General

We may issue warrants for the purchase of our common stock, preferred stock, debt securities, depositary shares, units or securities of third parties or other rights, including rights to receive payment in cash or securities based on the value, rate or price of one or more specified securities or indices, or any combination of the foregoing. Each series of warrants will be issued under a separate warrant agreement that we will enter into with a bank or trust company, as warrant agent, as detailed in the applicable prospectus supplement. The warrant agent will act solely as our agent in connection with the warrants and will not assume any obligation, or agency or trust relationship, with you.

The prospectus supplement relating to a particular issue of warrants will describe the terms of those warrants, including, when applicable:

·                  the offering price;

·                  the currency or currencies, including composite currencies, in which the price of the warrants may be payable;

·                  the number of warrants offered;

·                  the securities underlying the warrants, including the securities of third parties or other rights, if any, to receive payment in cash or securities based on the value, rate or price of one or more specified securities or indices, or any combination of the foregoing, purchasable upon exercise of the warrants;

·                  the exercise price and the amount of securities you will receive upon exercise;

·                  the procedure for exercise of the warrants and the circumstances, if any, that will cause the warrants to be automatically exercised;

·                 the rights, if any, we have to redeem the warrants;

·                  the date on which the right to exercise the warrants will commence and the date on which the warrants will expire;

·                  the designation and terms of the securities with which the warrants are issued and the number of warrants issued with each such security;

·                  U.S. federal income tax consequences;

·                  the name of the warrant agent; and

·                  other material terms of the warrants.

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Warrants may be exercised in the manner specified in applicable prospectus supplement. Before the exercise of warrants, holders will not have any of the rights of holders of the securities purchasable upon exercise and will not be entitled to payments made to holders of those securities. After your warrants expire they will become void.

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DESCRIPTION OF PURCHASE CONTRACTS

The following summary of certain provisions of the purchase contracts is not complete and is subject to, and qualified in its entirety by reference to, the provisions of the purchase contract that will be filed with the SEC in connection with the offering of such purchase contracts. You should refer to the provisions of the applicable purchase contract and applicable prospectus supplement for more specific information about the purchase contracts we offer. If any particular terms of the purchase contract described in the applicable prospectus supplement differ from any of the terms described herein, then the terms described herein will be deemed superseded by that prospectus supplement.

We may issue purchase contracts for the purchase or sale of debt or equity securities issued by us or securities of third parties, or a combination thereof, as specified in the applicable prospectus supplement. Each purchase contract will entitle the holder thereof to purchase or sell, and obligate us to sell or purchase, on specified dates, such securities at a specified purchase price, which may be a formula, all as set forth in the applicable prospectus supplement. We may, however, satisfy our obligations, if any, with respect to any purchase contract by delivering the cash value of such purchase contract or the cash value of the property otherwise deliverable thereunder. The applicable prospectus supplement will also specify the methods by which the holders may purchase or sell such securities, and any acceleration, cancellation or termination provisions or other provisions relating to the settlement of a purchase contract.

The purchase contracts may require us to make periodic payments to the holders thereof, or vice versa, which payments may be deferred to the extent set forth in the applicable prospectus supplement, and those payments may be unsecured or pre-funded on some basis. The purchase contracts may also require the holders thereof to secure their obligations in a specified manner to be described in the applicable prospectus supplement. Alternatively, purchase contracts may require holders to satisfy their obligations thereunder when the purchase contracts are issued. Our obligation to settle such pre-paid purchase contracts will be issued under the indenture.

Material U.S. federal income tax considerations applicable to the purchase contracts will also be discussed in the applicable prospectus supplement.

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DESCRIPTION OF UNITS

The following summary of certain provisions of the units is not complete and is subject to, and qualified in its entirety by reference to, the provisions of the unit agreement that will be filed with the SEC in connection with the offering of such units. You should refer to the provisions of the applicable unit agreement and applicable prospectus supplement for more specific information about the units we offer. If any particular terms of the unit described in the applicable prospectus supplement differ from any of the terms described herein, then the terms described herein will be deemed superseded by that prospectus supplement.

As specified in the applicable prospectus supplement, we may issue units consisting of one or more purchase contracts, warrants, depositary shares, debt securities, shares of preferred stock, shares of common stock or any combination of such securities. The applicable prospectus supplement will describe:

·                  the terms of the units and of the purchase contracts, warrants, depositary shares, debt securities, preferred stock and common stock comprising the units, including whether and under what circumstances the securities comprising the units may be traded separately;

·                  a description of the terms of the unit agreement governing the units; and

·                  a description of the provisions for payment, settlement, transfer or exchange of the units.

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PLAN OF DISTRIBUTION

We may offer and sell the securities under this prospectus from time to time in one or more of the following ways:

·                  through agents;

·                  to dealers;

·                  to underwriters;

·                  directly to other purchasers; or

·                  through a combination of any of these methods of sale.

The distribution of the securities may be made from time to time in one or more transactions, either:

·                  at a fixed price or prices, which may be changed;

·                  at market prices prevailing at the time of sale;

·                  at prices related to prevailing market prices;

·                  at prices determined by an auction process; or

·                  at negotiated prices.

Through Agents

We and the agents designated by us may solicit offers to purchase securities. Agents that participate in the distribution of securities may be deemed underwriters under the Securities Act of 1933, as amended (which we refer to as the “Securities Act”). Any agent will be acting on a “best efforts” basis for the period of its appointment, unless we indicate differently in the prospectus supplement.

To Dealers

The securities may be sold to a dealer as principal. The dealer may then resell the securities to the public at varying prices determined by it at the time of resale. The dealer may be deemed to be an underwriter under the Securities Act.

To Underwriters

We may sell securities to one or more underwriters under an underwriting agreement that we enter into with them at the time of sale. The names of the underwriters will be set forth in the prospectus supplement, which will be used by the underwriters to resell the securities.

In addition, we may enter into derivative transactions with third parties, or sell securities not covered by this prospectus to third parties in privately negotiated transactions. If the applicable prospectus supplement indicates, in connection with such a transaction, the third parties may sell securities covered by this prospectus and the applicable prospectus supplement, including in short sale transactions. If so, the third party may use securities pledged by us or borrowed from us or others to settle such sales or to close out any related open borrowings of stock, and may use securities received from us in settlement of a derivative transaction to close out any related open borrowings of stock. We otherwise may loan or pledge securities to a financial institution or other third party that in

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turn may sell the loaned securities or, in an event of default in the case of a pledge, sell the pledged securities, in either case using this prospectus and the applicable prospectus supplement.

Direct Sales

We may sell securities directly to you, without the involvement of underwriters or agents.

General Information

Any underwriters or agents will be identified and their compensation described in the prospectus supplement applicable to such offering.

We may have agreements with the underwriters, dealers and agents to indemnify them against certain civil liabilities, including liabilities under the Securities Act, or to contribute to payments they may be required to make.

Underwriters, dealers and agents (or one ore more of their respective affiliates) may engage in transactions with, or perform services for, us or our subsidiaries in the ordinary course of their businesses.

VALIDITY OF SECURITIES

Unless otherwise indicated in the applicable prospectus supplement, the validity of the securities offered by this prospectus will be passed upon for us by Morgan, Lewis & Bockius LLP, Philadelphia, Pennsylvania, and for any underwriters or agents by counsel named in the applicable prospectus supplement.

EXPERTS

The consolidated financial statements of AmerisourceBergen Corporation appearing in AmerisourceBergen Corporation’s Annual Report (Form 10-K) for the year ended September 30, 2015 (including the schedule appearing therein), and the effectiveness of AmerisourceBergen Corporation’s internal control over financial reporting as of September 30, 2015, have been audited by Ernst & Young LLP, independent registered public accounting firm, as set forth in their reports thereon, included therein, and incorporated herein by reference. Such financial statements are, and audited financial statements to be included in subsequently filed documents will be, incorporated herein in reliance upon the reports of Ernst & Young LLP pertaining to such financial statements and the effectiveness of our internal control over financial reporting as of the respective dates (to the extent covered by consents filed with the Securities and Exchange Commission) given on the authority of such firm as experts in accounting and auditing.

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PART II

INFORMATION NOT REQUIRED IN PROSPECTUS

Item 14. Other Expenses of Issuance and Distribution.

Set forth below are the estimated fees and expenses (other than underwriting discounts and commissions) to be incurred by the registrant in connection with the issuance and distribution of the securities registered hereby:

(1)                                 Under Rules 456(b) and 457(r) under the Securities Act of 1933, applicable SEC registration fees have been deferred and will be paid at the time of any particular offering of securities under this registration statement, and are therefore not estimable at this time.

(2)                                 Estimated fees and expenses are not presently known. The foregoing sets forth the general categories of fees and expenses (other than underwriting discounts and commissions) that we anticipate we will incur in connection with the offering of securities under this registration statement. An estimate of the aggregate fees and expenses in connection with the issuance and distribution of securities offered hereby will be included in the prospectus supplement applicable to such offering.

Item 15. Indemnification of Directors and Officers.

The following summary is qualified in its entirety by reference to the complete text of any statutes referred to below and the certificate of incorporation and bylaws of AmerisourceBergen Corporation.

As permitted by the Delaware General Corporation Law (“DGCL”), our Amended and Restated Certificate of Incorporation, as amended, provides that our directors shall not be personally liable to us or our stockholders for monetary damages for breach of fiduciary duty as a director, except for liability (i) for any breach of the director’s duty of loyalty to us or our stockholders, (ii) for acts of omissions not in good faith or which involve intentional misconduct or a knowing violation of law, (iii) under Section 174 of the Delaware General Corporation Law, relating to prohibited dividends or distributions or the repurchase or redemption of stock, or (iv) for any transaction from which the director derives an improper personal benefit. In addition, our Amended and Restated Certificate of Incorporation provides for indemnification of our officers and directors to the fullest extent permitted under Delaware law. Section 145 of the DGCL provides that a corporation may indemnify any persons, including officers and directors, who were or are, or are threatened to be made, parties to any threatened, pending or completed legal action, suit or proceeding, whether civil, criminal, administrative or investigative (other than an action by or in the right of such corporation), by reason of the fact that such person was an officer, director, employee or agent of such corporation or is or was serving at the request of such corporation as an officer, director, employee or agent of another corporation, partnership, joint venture, trust or other enterprise. The indemnity may include expenses (including attorneys’ fees), judgments, fines and amounts paid in settlement actually and reasonably incurred by such person in connection with such action, suit or proceeding, provided such person acted in good faith and in a manner he or she reasonably believed to be in or not opposed to the corporation’s best interests and, for criminal proceedings, had no reasonable cause to believe that his or her conduct was unlawful. A Delaware corporation may indemnify officers and directors in an action by or in the right of the corporation under the same conditions, except that no indemnification is permitted without judicial approval if the officer or director is adjudged to be liable to the corporation. Where an officer or director is successful on the merits or otherwise in the defense of any action referred to above, the corporation must indemnify him against the expenses that such officer or director actually and

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reasonably incurred. Insofar as indemnification for liabilities arising under the Securities Act of 1933, as amended, may be permitted to directors, officers or persons controlling us pursuant to the foregoing provisions, we have been informed that in the opinion of the Securities and Exchange Commission such indemnification is against public policy as expressed in the Securities Act and is therefore unenforceable.

AmerisourceBergen Corporation maintains insurance policies under which its directors and officers are insured, within the limits and subject to the limitations of the policies, against expenses in connection with the defense of actions, suits or proceedings, and certain liabilities that might be imposed as a result of such actions, suits or proceedings, to which they are parties by reason of being or having been directors or officers of AmerisourceBergen Corporation.

In addition, we currently provide indemnification to the officers and other individuals that serve on the committee that administers our employee benefit plans for liabilities that they may incur in such capacity.

Item 16. Exhibits

A list of exhibits filed herewith or incorporated by reference is contained in the Exhibit Index which is incorporated herein by reference.

Item 17. Undertakings.

(a)                                 The undersigned registrant hereby undertakes:

(1)                                 to file, during any period in which offers or sales are being made, a post-effective amendment to this registration statement:

(i)                                     to include any prospectus required by Section 10(a)(3) of the Securities Act of 1933;

(ii)                                  to reflect in the prospectus any facts or events arising after the effective date of the registration statement (or the most recent post-effective amendment thereof) which, individually or in the aggregate, represent a fundamental change in the information set forth in the registration statement. Notwithstanding the foregoing, any increase or decrease in volume of securities offered (if the total dollar value of securities offered would not exceed that which was registered) and any deviation from the low or high end of the estimated maximum offering range may be reflected in the form of prospectus filed with the SEC pursuant to Rule 424(b) if, in the aggregate, the changes in volume and price represent no more than a 20% change in the maximum aggregate offering price set forth in the “Calculation of Registration Fee” table in the effective registration statement; and

(iii)                               to include any material information with respect to the plan of distribution not previously disclosed in the registration statement or any material change to such information in the registration statement;

Provided, however, that paragraphs (a)(1)(i), (a)(1)(ii) and (a)(1)(iii) of this section do not apply if the registration statement is on Form S-3 or Form F-3 and the information required to be included in a post-effective amendment by those paragraphs is contained in reports filed with or furnished to the Commission by the registrant pursuant to Section 13 or Section 15(d) of the Securities Exchange Act of 1934 that are incorporated by reference in the registration statement, or is contained in a form of prospectus filed pursuant to Rule 424(b) that is part of the registration statement;

(2)                                 that, for the purpose of determining any liability under the Securities Act of 1933, each such post-effective amendment shall be deemed to be a new registration statement relating to the securities offered therein, and the offering of such securities at that time shall be deemed to be the initial bona fide offering thereof;

(3)                                 to remove from registration by means of a post-effective amendment any of the securities being registered which remain unsold at the termination of the offering;

(4)                                 that, for the purpose of determining liability under the Securities Act of 1933 to any purchaser:

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(A)                               Each prospectus filed by the registrant pursuant to Rule 424(b)(3) shall be deemed to be part of the registration statement as of the date the filed prospectus was deemed part of and included in the registration statement; and

(B)                               Each prospectus required to be filed pursuant to Rule 424(b)(2), (b)(5) or (b)(7) as part of a registration statement in reliance on Rule 430B relating to an offering made pursuant to Rule 415(a)(1)(i), (vii) or (x) for the purpose of providing the information required by Section 10(a) of the Securities Act of 1933 shall be deemed to be part of and included in the registration statement as of the earlier of the date such form of prospectus is first used after effectiveness or the date of the first contract of sale of securities in the offering described in the prospectus. As provided in Rule 430B, for liability purposes of the issuer and any person that is at that date an underwriter, such date shall be deemed to be a new effective date of the registration statement relating to the securities in the registration statement to which the prospectus relates, and the offering of such securities at that time shall be deemed to be the initial bona fide offering thereof. Provided, however, that no statement made in a registration statement or prospectus that is part of the registration statement or made in a document incorporated or deemed incorporated by reference into the registration statement or prospectus that is part of the registration statement will, as to a purchaser with a time of contract of sale prior to such effective date, supersede or modify any statement that was made in the registration statement or prospectus that was part of the registration statement or made in any such document immediately prior to such effective date; and

(5)                                 that, for the purpose of determining liability of the registrant under the Securities Act of 1933 to any purchaser in the initial distribution of the securities, the undersigned registrant undertakes that in a primary offering of securities of the undersigned registrant pursuant to this registration statement, regardless of the underwriting method used to sell the securities to the purchaser, if the securities are offered or sold to such purchaser by means of any of the following communications, the undersigned registrant will be a seller to the purchaser and will be considered to offer or sell such securities to such purchaser:

(i) Any preliminary prospectus or prospectus of the undersigned registrant relating to the offering required to be filed pursuant to Rule 424;

(ii)                                  Any free writing prospectus relating to the offering prepared by or on behalf of the undersigned registrant or used or referred to by the undersigned registrant;

(iii)                               The portion of any other free writing prospectus relating to the offering containing material information about the undersigned registrant or its securities provided by or on behalf of an undersigned registrant; and

(iv)                              Any other communication that is an offer in the offering made by the undersigned registrant to the purchaser.

(b)                                 The undersigned registrant hereby undertakes that, for purposes of determining any liability under the Securities Act of 1933, each filing of the registrant’s annual report pursuant to Section 13(a) or Section 15(d) of the Securities Exchange Act of 1934 (and, where applicable, each filing of an employee benefit plan’s annual report pursuant to Section 15(d) of the Securities Exchange Act of 1934) that is incorporated by reference in the registration statement shall be deemed to be a new registration statement relating to the securities offered therein, and the offering of such securities at that time shall be deemed to be the initial bona fide offering thereof.

(c)                                  The undersigned registrant hereby undertakes to deliver or cause to be delivered with the prospectus, to each person to whom the prospectus is sent or given, the latest annual report, to security holders that is incorporated by reference in the prospectus and furnished pursuant to and meeting the requirements of Rule 14a-3 or Rule 14c-3 under the Securities Exchange Act of 1934; and, where interim financial information required to be presented by Article 3 of Regulation S-X is not set forth in the prospectus, to deliver, or cause to be delivered to each person to whom the prospectus is sent or given, the latest quarterly report that is specifically incorporated by reference in the prospectus to provide such interim financial information.

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(d)                                 Insofar as indemnification for liabilities arising under the Securities Act of 1933 may be permitted to directors, officers and controlling persons of the registrant pursuant to the provisions described under Item 15 above, or otherwise, the registrant has been advised that in the opinion of the SEC such indemnification is against public policy as expressed in the Act and is, therefore, unenforceable. In the event that a claim for indemnification against such liabilities (other than the payment by the registrant of expenses incurred or paid by a director, officer or controlling person of the registrant in the successful defense of any action, suit or proceeding) is asserted by such director, officer or controlling person in connection with the securities being registered, the registrant will, unless in the opinion of its counsel the matter has been settled by controlling precedent, submit to a court of appropriate jurisdiction the question whether such indemnification by it is against public policy as expressed in the Act and will be governed by the final adjudication of such issue.

(e)                                  The undersigned registrant hereby undertakes that:

(1)                                 For purposes of determining any liability under the Securities Act of 1933, the information omitted from the form of prospectus filed as part of this registration statement in reliance upon Rule 430A and contained in a form of prospectus filed by the registrant pursuant to Rule 424(b)(1) or (4) or 497(h) under the Securities Act shall be deemed to be part of this registration statement as of the time it was declared effective.

(2)                                 For purposes of determining any liability under the Securities Act of 1933, each post-effective amendment that contains a form of prospectus shall be deemed to be a new registration statement relating to the securities offered therein, and the offering of such securities at that time shall be deemed to be the initial bona fide offering thereof.

(f)                                   The undersigned registrant hereby undertakes to file an application for the purpose of determining the eligibility of the trustee to act under subsection (a) of section 310 of the Trust Indenture Act (“Act”) in accordance with the rules and regulations prescribed by the Commission under section 305(b)(2) of the Act.

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SIGNATURES

Pursuant to the requirements of the Securities Act of 1933, the registrant certifies that it has reasonable grounds to believe that it meets all of the requirements for filing on Form S-3 and has duly caused this registration statement to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of Chesterbrook, Commonwealth of Pennsylvania, on November 24, 2015.

POWER OF ATTORNEY

The undersigned do hereby constitute and appoint Steven H. Collis, President and Chief Executive Officer of the registrant, Tim G. Guttman, Executive Vice President and Chief Financial Officer of the registrant, John G. Chou, Executive Vice President and General Counsel of the registrant, and Kathy H. Gaddes, Vice President, Group General Counsel and Secretary of the registrant, and each of them acting singly, our true and lawful attorneys and agents, to sign for us or any of us in our names and in the capacities indicated below, any and all amendments (including post-effective amendments) to this registration statement and to file the same, with all exhibits thereto and other documents required in connection therewith, and to do any and all acts and things in our names and in the capacities indicated below, which said attorneys and agents, or any of them, may deem necessary or advisable to enable said corporation to comply with the Securities Act of 1933 and any rules, regulations, and requirements of the Securities and Exchange Commission, in connection with this registration statement; and we do hereby ratify and confirm all that the said attorneys and agents, or any of them, shall do or cause to be done by virtue hereof.

Pursuant to the requirements of the Securities Act of 1933, this registration statement has been signed by the following persons in the capacities indicated on the dates indicated.

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EXHIBIT INDEX

*                 To be filed, if necessary, as an exhibit to an amendment to this registration statement or as an exhibit to a document filed by the registrant and incorporated herein by reference.