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<P align="center" style="font-size: 14pt"><B>UNITED STATES<BR>
SECURITIES AND EXCHANGE COMMISSION<BR>
<FONT style="font-size: 12pt">Washington, D.C. 20549
</FONT></B>

<P align="center" style="font-size: 18pt"><B>FORM 8-K</B>

<P align="center" style="font-size: 12pt"><B>CURRENT REPORT<BR>
Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934</B>

<P align="center" style="font-size: 10pt"><B>Date of Report (Date of earliest event reported): May 19, 2009</B>

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<P align="center" style="font-size: 24pt"><B>AmerisourceBergen Corporation<BR></B>
<FONT style="font-size: 10pt">(Exact name of registrant as specified in its charter)
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    <TD style="border-bottom: 1px solid #000000"><B>Delaware</B></TD>
    <TD>&nbsp;</TD>
    <TD style="border-bottom: 1px solid #000000"><B>1-16671</B></TD>
    <TD>&nbsp;</TD>
    <TD style="border-bottom: 1px solid #000000"><B>23-3079390</B></TD>
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<TR valign="top">
    <TD>(State or other Jurisdiction of Incorporation)</TD>
    <TD>&nbsp;</TD>
    <TD>(Commission File Number)</TD>
    <TD>&nbsp;</TD>
    <TD>(IRS Employer Identification No.)</TD>
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    <TD style="border-bottom: 1px solid #000000"><B>1300 Morris Drive<BR>Chesterbrook, PA<BR></B></TD>
    <TD>&nbsp;</TD>
    <TD style="border-bottom: 1px solid #000000"><B>19087</B></TD>
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<TR valign="top">
    <TD>(Address of Principal Executive Offices)</TD>
    <TD>&nbsp;</TD>
    <TD>(Zip Code)</TD>
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<P align="center" style="font-size: 10pt">Registrant&#146;s telephone number, including area code: <B>(610) 727-7000</B>


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    <TD nowrap>(Former name or former address if changed since last report.)</TD>
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<P align="left" style="font-size: 10pt">Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant
under any of the following provisions:

<P align="left" style="font-size: 10pt">
<FONT face="Wingdings">&#111;</FONT> Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)<BR><BR>
<FONT face="Wingdings">&#111;</FONT> Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)<BR><BR>
<FONT face="Wingdings">&#111;</FONT> Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))<BR><BR>
<FONT face="Wingdings">&#111;</FONT> Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))<BR>


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<P align="center" style="font-size: 10pt; display: none">1
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<P align="left" style="font-size: 10pt">Item&nbsp;8.01. Other Events.


<P align="left" style="font-size: 10pt; text-indent: 5%">On May&nbsp;19, 2009, AmerisourceBergen Corporation (the &#147;Registrant&#148;) issued a news release announcing a two-for-one
stock split of the Registrant&#146;s outstanding shares of common stock. The Board of Directors also announced plans to
increase the quarterly dividend by 20 percent to $0.06 per common share on a post-split basis beginning in the third
fiscal quarter of 2009.


<P align="left" style="font-size: 10pt; text-indent: 5%">The split will be in the form of a stock dividend, whereby each stockholder will receive one additional share for
each share owned. The new shares will be distributed on June&nbsp;15, 2009 to stockholders of record at the close of
business on May&nbsp;29, 2009.


<P align="left" style="font-size: 10pt; text-indent: 5%">The Registrant also reaffirmed its previously announced expectations for fiscal year 2009 diluted earnings per
share from continuing operations in the range of $3.18 to $3.30, or $1.59 to $1.65 on a post-split basis. The
Registrant also reaffirmed the key assumptions supporting the fiscal year 2009 diluted earnings per share from
continuing operations range.


<P align="left" style="font-size: 10pt; text-indent: 5%">A copy of the news release, dated May&nbsp;19, 2009, is furnished as Exhibit&nbsp;99.1 to this report and incorporated
herein by reference.


<P align="left" style="font-size: 10pt">Item&nbsp;9.01. Financial Statements and Exhibits.
<BR>
&nbsp;
<BR>
(d) &nbsp;&nbsp;&nbsp;Exhibits.


<P align="left" style="font-size: 10pt; text-indent: 5%">99.1 New Release, dated May&nbsp;19, 2009, regarding the Registrant&#146;s two-for-one stock split, planned dividend
increase and other matters.

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<P align="center" style="font-size: 10pt; display: none">2
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<P align="center" style="font-size: 10pt"><U>SIGNATURES</U>



<P align="left" style="font-size: 10pt; text-indent: 5%">Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to
be signed on its behalf by the undersigned hereunto duly authorized.



<P align="left" style="margin-left:48%; font-size: 10pt">AMERISOURCEBERGEN
CORPORATION


<P align="left" style="font-size: 10pt">Date: May&nbsp;19, 2009



<P align="left" style="margin-left:48%; font-size: 10pt; margin-top: -11pt">By: <U><B>/</B>s/ Michael
D.
DiCandilo&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Name: Michael D. DiCandilo
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Title: Executive Vice
President
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;and Chief Financial Officer


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<P align="center" style="font-size: 10pt; display: none">3


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<DIV align="center" style="font-size: 10pt; margin-top: 10pt"><u>EXHIBIT INDEX</u>
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    <TD nowrap align="center" style="border-bottom: 1px solid #000000"><B>Description</B></TD>
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    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">99.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">New Release, dated May&nbsp;19, 2009, regarding the Registrant&#146;s two-for-one stock split, planned dividend
increase and other matters.</TD>
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Form 8-K
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 8-K
CURRENT REPORT
Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934
Date of Report (Date of earliest event reported): May 19, 2009
AmerisourceBergen Corporation
(Exact name of registrant as specified in its charter)
Delaware
1-16671
23-3079390
(State or other Jurisdiction of Incorporation)
(Commission File Number)
(IRS Employer Identification No.)
1300 Morris Drive
Chesterbrook, PA
19087
(Address of Principal Executive Offices)
(Zip Code)
Registrant's telephone number, including area code:
(610) 727-7000
N/A
(Former name or former address if changed since last report.)
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant
under any of the following provisions:
o
Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
o
Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
o
Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
o
Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
Item 8.01. Other Events.
On May 19, 2009, AmerisourceBergen Corporation (the "Registrant") issued a news release announcing a two-for-one
stock split of the Registrant's outstanding shares of common stock. The Board of Directors also announced plans to
increase the quarterly dividend by 20 percent to $0.06 per common share on a post-split basis beginning in the third
fiscal quarter of 2009.
The split will be in the form of a stock dividend, whereby each stockholder will receive one additional share for
each share owned. The new shares will be distributed on June 15, 2009 to stockholders of record at the close of
business on May 29, 2009.
The Registrant also reaffirmed its previously announced expectations for fiscal year 2009 diluted earnings per
share from continuing operations in the range of $3.18 to $3.30, or $1.59 to $1.65 on a post-split basis. The
Registrant also reaffirmed the key assumptions supporting the fiscal year 2009 diluted earnings per share from
continuing operations range.
A copy of the news release, dated May 19, 2009, is furnished as Exhibit 99.1 to this report and incorporated
herein by reference.
Item 9.01. Financial Statements and Exhibits.
(d)    Exhibits.
99.1 New Release, dated May 19, 2009, regarding the Registrant's two-for-one stock split, planned dividend
increase and other matters.
SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to
be signed on its behalf by the undersigned hereunto duly authorized.
AMERISOURCEBERGEN
CORPORATION
Date: May 19, 2009
By:
/
s/ Michael
D.
DiCandilo
Name: Michael D. DiCandilo
Title: Executive Vice
President
and Chief Financial Officer
EXHIBIT INDEX
Exhibit No.
Description
99.1
New Release, dated May 19, 2009, regarding the Registrant's two-for-one stock split, planned dividend
increase and other matters.