UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
(Amendment No. 1)
Under the Securities Exchange Act of 1934
Plug Power Inc.
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NAME OF ISSUER:
Common Stock (Par Value $ 0.01)
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TITLE OF CLASS OF SECURITIES
72919P103
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CUSIP NUMBER
April 30, 2008
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(Date of Event Which Requires Filing of this Statement)
Check the appropriate box to designate the rule pursuant to which this
Schedule is filed:
[x] Rule 13d-1(b)
[ ] Rule 13d-1(c)
[ ] Rule 13d-1(d)
1. NAME OF REPORTING PERSONS
S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS
Deutsche Bank AG*
2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(A) [ ]
(B) [ ]
3. SEC USE ONLY
4. CITIZENSHIP OR PLACE OF ORGANIZATION
Federal Republic of Germany
NUMBER OF 5. SOLE VOTING POWER
SHARES 4,175,000
BENEFICIALLY 6. SHARED VOTING POWER
OWNED BY 0
EACH 7. SOLE DISPOSITIVE POWER
REPORTING 4,175,000
PERSON WITH 8. SHARED DISPOSITIVE POWER
0
9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
4,175,000
10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW 9 EXCLUDES CERTAIN SHARES
[ ]
11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
4.73%
12. TYPE OF REPORTING PERSON
HC, CO, BK
* In accordance with Securities Exchange Act Release No. 39538 (January 12,
1998), this amended filing reflects the securities beneficially owned by
the Private Clients and Asset Management business group ("PCAM") of
Deutsche Bank AG and its subsidiaries and affiliates (collectively,
"DBAG"). This filing does not reflect securities, if any, beneficially
owned by any other business group of DBAG. Consistent with Rule 13d-4 under
the Securities Exchange Act of 1934 ("Act"), this filing shall not be
construed as an admission that PCAM is, for purposes of Section 13(d) under
the Act, the beneficial owner of any securities covered by the filing.
Item 1(a). Name of Issuer:
Plug Power Inc.(the "Issuer")
Item 1(b). Address of Issuer's Principal Executive Offices:
968 Albany-Shaker Road
Latham, NY 12110
Item 2(a). Name of Person Filing:
This statement is filed on behalf of Deutsche Bank AG
("Reporting Person").
Item 2(b). Address of Principal Business Office or, if none, Residence:
Theodor-Heuss-Allee 70
60468 Frankfurt am Main
Federal Republic of Germany
Item 2(c). Citizenship:
The citizenship of the Reporting Person is set forth on the
cover page.
Item 2(d). Title of Class of Securities:
The title of the securities is common stock, $0.01 par value
("Common Stock").
Item 2(e). CUSIP Number:
The CUSIP number of the Common Stock is set forth on the cover
page.
Item 3. If this statement is filed pursuant to Rules 13d-1(b), or
13d-2(b) or (c), check whether the person filing is a:
(a) [ ] Broker or dealer registered under section 15 of the
Act;
(b) [ ] Bank as defined in section 3(a)(6) of the Act;
(c) [ ] Insurance Company as defined in section 3(a)(19)
of the Act;
(d) [ ] Investment Company registered under section 8
of the Investment Company Act of 1940;
(e) [ ] An investment adviser in accordance with Rule
13d- 1(b)(1)(ii)(E);
(f) [ ] An employee benefit plan, or endowment fund in
accordance with Rule 13d-1 (b)(1)(ii)(F);
(g) [x] Parent holding company or control person in
accordance with Rule 13d-1 (b)(1)(ii)(G);
Deutsche Bank, AG
(h) [ ] A savings association as defined in section 3(b) of
the Federal Deposit Insurance Act;
(i) [ ] A church plan that is excluded from the definition of
an investment company under section 3(c)(14) of the
Investment Company Act of 1940;
(j) [ ] Group, in accordance with Rule 13d-1 (b)(1)(ii)(J).
Item 4. Ownership.
(a) Amount beneficially owned:
The Reporting Person owns the amount of the Common Stock
as set forth on the cover page.
(b) Percent of class:
The Reporting Person owns the percentage of the Common
Stock as set forth on the cover page.
(c) Number of shares as to which such person has:
(i) sole power to vote or to direct the vote:
The Reporting Person has the sole power to vote or
direct the vote of the Common Stock as set forth on
the cover page.
(ii) shared power to vote or to direct the vote:
The Reporting Person has the shared power to vote or
direct the vote of the Common Stock as set forth on
the cover page.
(iii) sole power to dispose or to direct the disposition
of:
The Reporting Person has the sole power to dispose
or direct the disposition of the Common Stock as set
forth on the cover page.
(iv) shared power to dispose or to direct the disposition
of:
The Reporting Person has the shared power to dispose
or direct the disposition of the Common Stock as set
forth on the cover page.
Item 5. Ownership of Five Percent or Less of a Class.
If this statement is being filed to report the fact that as of
the date hereof the reporting person has ceased to be the
beneficial owner of more than five percent of the class of
securities, check the following [X].
Item 6. Ownership of More than Five Percent on Behalf of Another
Person.
Not applicable.
Item 7. Identification and Classification of the Subsidiary Which
Acquired the Security Being Reported on by the Parent Holding
Company.
Subsidiary Item 3 Classification
Not applicable.
Item 8. Identification and Classification of Members of the Group.
Not applicable.
Item 9. Notice of Dissolution of Group.
Not applicable.
Item 10. Certification.
By signing below I certify that, to the best of my knowledge
and belief, the securities referred to above were acquired and
are held in the ordinary course of business and were not
acquired and are not held for the purpose of or with the
effect of changing or influencing the control of the issuer of
the securities and were not acquired and are not held in
connection with or as a participant in any transaction having
that purpose or effect.
SIGNATURE
After reasonable inquiry and to the best of my knowledge and belief, I
certify that the information set forth in this statement is true, complete and
correct.
Dated: May 8, 2008
Deutsche Bank AG
By: /s/ Jeffrey A. Ruiz
Name: Jeffrey A. Ruiz
Title: Director
By: /s/ Pasquale Antolino
Name: Pasquale Antolino
Title: Assistant Vice President