p12-0446sc13ga.htm

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
 
SCHEDULE 13G/A
 
Under the Securities Exchange Act of 1934
(Amendment No. 1)*
 
Ciena Corporation
(Name of Issuer)
 
Common Stock, par value $0.01 per share
(Title of Class of Securities)
 
171779309
(CUSIP Number)
 
December 31, 2011
(Date of Event Which Requires Filing of This Statement)
 
 
Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
 
¨
Rule 13d-1(b)
x
Rule 13d-1(c)
¨
Rule 13d-1(d)
 
(Page 1 of 17 Pages)

______________________________
*The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page.
 
The information required in the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).
 

 
 
 
CUSIP No.  171779309
 
13G/A
Page 2 of 17 Pages



1
NAME OF REPORTING PERSONS
Highbridge International LLC
2
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(a) x
(b) ¨
3
SEC USE ONLY
4
CITIZENSHIP OR PLACE OF ORGANIZATION
Cayman Islands, British West Indies
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON WITH:
5
SOLE VOTING POWER
0
6
SHARED VOTING POWER
2,279,250 shares of Common Stock
7
SOLE DISPOSITIVE POWER
0
8
SHARED DISPOSITIVE POWER
2,279,250 shares of Common Stock
9
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
2,279,250 shares of Common Stock
10
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
¨
11
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
2.31%
12
TYPE OF REPORTING PERSON
OO


 
 
 
 
 
CUSIP No.  171779309
 
13G/A
Page 3 of 17 Pages



1
NAME OF REPORTING PERSONS
Highbridge Long/Short Equity Fund, L.P.
2
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
 
(a) x
(b) ¨
3
SEC USE ONLY
4
CITIZENSHIP OR PLACE OF ORGANIZATION
State of Delaware
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON WITH:
5
SOLE VOTING POWER
0
6
SHARED VOTING POWER
0
7
SOLE DISPOSITIVE POWER
0
8
SHARED DISPOSITIVE POWER
0
9
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
0
10
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
¨
11
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
0%
12
TYPE OF REPORTING PERSON
PN


 

 
 
 
CUSIP No.  171779309
 
13G/A
Page 4 of 17 Pages



1
NAME OF REPORTING PERSONS
Highbridge Long/Short Equity Fund, Ltd.
2
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(a) x
(b) ¨
3
SEC USE ONLY
4
CITIZENSHIP OR PLACE OF ORGANIZATION
Cayman Islands, British West Indies
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON WITH:
5
SOLE VOTING POWER
0
6
SHARED VOTING POWER
0
7
SOLE DISPOSITIVE POWER
0
8
SHARED DISPOSITIVE POWER
0
9
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
0
10
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
¨
11
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
0%
12
TYPE OF REPORTING PERSON
OO


 

 
 
 
CUSIP No.  171779309
 
13G/A
Page 5 of 17 Pages



1
NAME OF REPORTING PERSONS
Highbridge Long/Short Institutional Fund, Ltd.
2
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(a) x
(b) ¨
3
SEC USE ONLY
4
CITIZENSHIP OR PLACE OF ORGANIZATION
Cayman Islands, British West Indies
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON WITH:
5
SOLE VOTING POWER
0
6
SHARED VOTING POWER
482,850 shares of Common Stock
7
SOLE DISPOSITIVE POWER
0
8
SHARED DISPOSITIVE POWER
482,850 shares of Common Stock
9
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
482,850 shares of Common Stock
10
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
¨
11
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
0.49%
12
TYPE OF REPORTING PERSON
OO


 

 
 
 
CUSIP No.  171779309
 
13G/A
Page 6 of 17 Pages



1
NAME OF REPORTING PERSONS
Highbridge Managed Portfolio Master, Ltd.
2
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(a) x
(b) ¨
3
SEC USE ONLY
4
CITIZENSHIP OR PLACE OF ORGANIZATION
Cayman Islands, British West Indies
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON WITH:
5
SOLE VOTING POWER
0
6
SHARED VOTING POWER
85,501 shares of Common Stock
7
SOLE DISPOSITIVE POWER
0
8
SHARED DISPOSITIVE POWER
85,501 shares of Common Stock
9
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
85,501 shares of Common Stock
10
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
¨
11
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
0.09%
12
TYPE OF REPORTING PERSON
OO


 

 
 
 
CUSIP No.  171779309
 
13G/A
Page 7 of 17 Pages



1
NAME OF REPORTING PERSONS
STAR L.P. (a statistical arbitrage strategy)
2
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
 
(a) x
(b) ¨
3
SEC USE ONLY
4
CITIZENSHIP OR PLACE OF ORGANIZATION
Cayman Islands, British West Indies
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON WITH:
5
SOLE VOTING POWER
0
6
SHARED VOTING POWER
2,400 shares of Common Stock
Call rights to purchase 2,500 shares of Common Stock
7
SOLE DISPOSITIVE POWER
0
8
SHARED DISPOSITIVE POWER
2,400 shares of Common Stock
Call rights to purchase 2,500 shares of Common Stock
9
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
2,400 shares of Common Stock
Call rights to purchase 2,500 shares of Common Stock
10
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
¨
11
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
0.00%
12
TYPE OF REPORTING PERSON
PN
 
 
 
 
CUSIP No.  171779309
 
13G/A
Page 8 of 17 Pages


1
NAME OF REPORTING PERSONS
Highbridge Long/Short Equity Master Fund, L.P.
2
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
 
(a) x
(b) ¨
3
SEC USE ONLY
4
CITIZENSHIP OR PLACE OF ORGANIZATION
State of Delaware
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON WITH:
5
SOLE VOTING POWER
0
6
SHARED VOTING POWER
2,165,399 shares of Common Stock
7
SOLE DISPOSITIVE POWER
0
8
SHARED DISPOSITIVE POWER
2,165,399 shares of Common Stock
9
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
2,165,399 shares of Common Stock
10
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
¨
11
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
2.20%
12
TYPE OF REPORTING PERSON
OO
 
 
 
 
 
CUSIP No.  171779309
 
13G/A
Page 9 of 17 Pages

 

1
NAME OF REPORTING PERSONS
Highbridge Long-Term Equity Master Fund, L.P.
2
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
 
(a) x
(b) ¨
3
SEC USE ONLY
4
CITIZENSHIP OR PLACE OF ORGANIZATION
State of Delaware
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON WITH:
5
SOLE VOTING POWER
0
6
SHARED VOTING POWER
60,000 shares of Common Stock
7
SOLE DISPOSITIVE POWER
0
8
SHARED DISPOSITIVE POWER
60,000 shares of Common Stock
9
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
60,000 shares of Common Stock
10
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
¨
11
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
0.06%
12
TYPE OF REPORTING PERSON
PN


 
 
 
CUSIP No.  171779309
 
13G/A
Page 10 of 17 Pages



1
NAME OF REPORTING PERSONS
Highbridge Capital Management, LLC
2
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(a) x
(b) ¨
3
SEC USE ONLY
4
CITIZENSHIP OR PLACE OF ORGANIZATION
State of Delaware
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON WITH:
5
SOLE VOTING POWER
0
6
SHARED VOTING POWER
5,075,400 shares of Common Stock
Call rights to purchase 2,500 shares of Common Stock
7
SOLE DISPOSITIVE POWER
0
8
SHARED DISPOSITIVE POWER
5,075,400 shares of Common Stock
Call rights to purchase 2,500 shares of Common Stock
9
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
5,075,400 shares of Common Stock
Call rights to purchase 2,500 shares of Common Stock
10
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
¨
11
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
5.15%
12
TYPE OF REPORTING PERSON
OO


 

 
 
 
CUSIP No.  171779309
 
13G/A
Page 11 of 17 Pages



1
NAME OF REPORTING PERSONS
Glenn Dubin
2
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(a) x
(b) ¨
3
SEC USE ONLY
4
CITIZENSHIP OR PLACE OF ORGANIZATION
United States
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON WITH:
5
SOLE VOTING POWER
0
6
SHARED VOTING POWER
5,075,400 shares of Common Stock
Call rights to purchase 2,500 shares of Common Stock
7
SOLE DISPOSITIVE POWER
0
8
SHARED DISPOSITIVE POWER
5,075,400 shares of Common Stock
Call rights to purchase 2,500 shares of Common Stock
9
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
5,075,400 shares of Common Stock
Call rights to purchase 2,500 shares of Common Stock
10
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
¨
11
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
5.15%
12
TYPE OF REPORTING PERSON
IN


 

 
 
 
CUSIP No.  171779309
 
13G/A
Page 12 of 17 Pages


This Amendment No. 1 (this "Amendment") amends the statement on Schedule 13G filed on June 17, 2011 (the Original Schedule 13G as amended, the "Schedule 13G"), with respect to the shares of common stock, $0.01 par value (the "Common Stock") of Ciena Corporation, a Delaware corporation (the “Company”). Capitalized terms used herein and not otherwise defined have the meanings set forth in the Schedule 13G. This Amendment amends and restates Items 2(a), 2(b), 2(c), 4 and Exhibit I in their entirety as set forth below.

Item 2(a).
NAME OF PERSON FILING
Item 2(b).
ADDRESS OF PRINCIPAL BUSINESS OFFICE
Item 2(c).
CITIZENSHIP
     
   
Highbridge International LLC
c/o Harmonic Fund Services
The Cayman Corporate Centre, 4th Floor
27 Hospital Road
Grand Cayman, Cayman Islands, British West Indies
Citizenship:  Cayman Islands, British West Indies
     
   
Highbridge Long/Short Equity Fund, L.P.
c/o Highbridge Capital Management, LLC
40 West 57th Street, 33rd Floor
New York, New York  10019
Citizenship:  State of Delaware
     
   
Highbridge Long/Short Equity Fund, Ltd.
c/o Harmonic Fund Services
The Cayman Corporate Centre, 4th Floor
27 Hospital Road
Grand Cayman, Cayman Islands, British West Indies
Citizenship:  Cayman Islands, British West Indies
     
   
Highbridge Long/Short Institutional Fund, Ltd.
c/o Harmonic Fund Services
The Cayman Corporate Centre, 4th Floor
27 Hospital Road
Grand Cayman, Cayman Islands, British West Indies
Citizenship:  Cayman Islands, British West Indies
     
   
Highbridge Managed Portfolio Master, Ltd.
Walkers Corporate Services Limited, Walker House
87 Mary Street
George Town, Grand Cayman KY1-9005, Cayman Islands, British West Indies
Citizenship:  Cayman Islands, British West Indies
     
 
STAR, L.P. (a statistical arbitrage strategy)
c/o Harmonic Fund Services
The Cayman Corporate Centre, 4th Floor
27 Hospital Road
Grand Cayman, Cayman Islands, British West Indies
Citizenship:  Cayman Islands, British West Indies
 
 
 
 
CUSIP No.  171779309
 
13G/A
Page 13 of 17 Pages

   
 
Highbridge Long-Term Equity Master Fund, L.P.
c/o Highbridge Capital Management, LLC
40 West 57th Street, 33rd Floor
New York, New York 10019
Citizenship:  State of Delaware
   
 
Highbridge Long/Short Equity Master Fund, L.P.
c/o Highbridge Capital Management, LLC
40 West 57th Street, 33rd Floor
New York, New York 10019
Citizenship:  State of Delaware
   
 
Highbridge Capital Management, LLC
40 West 57th Street, 33rd Floor
New York, New York  10019
Citizenship:  State of Delaware
   
 
Glenn Dubin
c/o Highbridge Capital Management, LLC
40 West 57th Street, 33rd Floor
New York, New York 10019
Citizenship:  United States

Item 4.
OWNERSHIP
   
 
(a)
Amount beneficially owned:
   
 
As of the date hereof, (i) Highbridge International LLC holds 2,279,250 shares of Common Stock, (ii) Highbridge Long/Short Equity Fund, L.P. no longer beneficially owns any shares of Common Stock, (iii) Highbridge Long/Short Equity Fund, Ltd. no longer beneficially owns any shares of Common Stock, (iv) Highbridge Long/Short Institutional Fund, Ltd. holds 482,850 shares of Common Stock, (v) Highbridge Managed Portfolio Master, Ltd. holds 85,501 shares of Common Stock, (vi) STAR L.P. (a statistical arbitrage strategy) holds 2,400 shares of Common Stock and call rights to purchase 2,500 shares of Common Stock,  (vii) Highbridge Long-Term Equity Master Fund, L.P. beneficially owns 60,000 shares of Common Stock, (viii) Highbridge Long/Short Equity Master Fund, L.P. beneficially owns 2,165,399 shares of Common Stock, and (ix) each of Highbridge Capital Management, LLC and Glenn Dubin may be deemed the beneficial owner of the 5,075,400 shares of Common Stock held by Highbridge International LLC, Highbridge Long/Short Institutional Fund, Ltd., Highbridge Managed Portfolio Master, Ltd., STAR L.P. (a statistical arbitrage strategy), Highbridge Long-Term Equity Master Fund, L.P. and Highbridge Long/Short Equity Master Fund, L.P., and call rights to purchase 2,500 shares of Common Stock held by STAR L.P. (a statistical arbitrage strategy).
   
 
Highbridge Capital Management, LLC is the trading manager of Highbridge International LLC, Highbridge Long/Short Equity Fund, L.P., Highbridge Long/Short Equity Fund, Ltd., Highbridge Long/Short Institutional Fund, Ltd., STAR L.P. (a statistical arbitrage strategy), Highbridge Long-Term Equity Master Fund, L.P. and Highbridge Long/Short Equity Master Fund, L.P.  Highbridge Capital Management, LLC is an advisor to  Highbridge Managed Portfolio Master, Ltd.  Glenn Dubin is the Chief Executive Officer of Highbridge Capital Management, LLC.  The foregoing should not be construed in and of itself as an admission by any Reporting Person as to beneficial ownership of shares of Common Stock owned by another Reporting Person.  In addition, each of Highbridge Capital Management, LLC and Glenn Dubin disclaims beneficial ownership of the shares of Common Stock held by Highbridge International LLC, Highbridge Long/Short Institutional Fund, Ltd., Highbridge Managed Portfolio Master, Ltd., STAR, L.P. (a statistical arbitrage strategy), Highbridge Long-Term Equity Master Fund, L.P. and Highbridge Long/Short Equity Master Fund, L.P.
   
  
 
 
 
 
CUSIP No.  171779309
 
13G/A
Page 14 of 17 Pages



 
(b)
Percent of class:
   
 
The percentages used herein and in the rest of this Amendment are calculated based upon 98,650,166 shares of Common Stock issued and outstanding as of January 24, 2012, as disclosed in the Company's Definitive Proxy Statement on Schedule 14A for the annual meeting of stockholders of the Company to be held March 21, 2012, filed with the Securities and Exchange Commission on February 2, 2012.  Therefore, as of the date hereof, based on the Company's outstanding shares of Common Stock, (i) Highbridge International LLC may be deemed to beneficially own 2.31% of the outstanding shares of Common Stock of the Company, (ii) Highbridge Long/Short Equity Fund, L.P. no longer beneficially owns any shares of Common Stock of the Company, (iii) Highbridge Long/Short Equity Fund, Ltd. no longer beneficially owns any shares of Common Stock of the Company, (iv) Highbridge Long/Short Institutional Fund, Ltd. may be deemed to beneficially own 0.49% of the outstanding shares of Common Stock of the Company, (v) Highbridge Managed Portfolio Master, Ltd. may be deemed to beneficially own 0.09% of the outstanding shares of Common Stock of the Company, (vi) STAR L.P. (a statistical arbitrage strategy) may be deemed to beneficially own 0.00% of the outstanding shares of Common Stock of the Company, (vii) Highbridge Long-Term Equity Master Fund, L.P. may be deemed to beneficially own 0.06% of the outstanding shares of Common Stock of the Company, (viii) Highbridge Long/Short Equity Master Fund, L.P. may be deemed to beneficially own 2.20% of the outstanding shares of Common Stock of the Company and (ix) each of Highbridge Capital Management, LLC and Glenn Dubin may be may be deemed to beneficially own 5.15% of the outstanding shares of Common Stock of the Company held by Highbridge International LLC, Highbridge Long/Short Institutional Fund, Ltd., Highbridge Managed Portfolio Master, Ltd., STAR L.P. (a statistical arbitrage strategy), Highbridge Long-Term Equity Master Fund, L.P. and Highbridge Long-Term Equity Master Fund, L.P.
   
 
(c)
Number of shares as to which such person has:

 
                 (i)
Sole power to vote or to direct the vote
     
   
0

 
                (ii)
Shared power to vote or to direct the vote
     
   
See Item 4(a)

 
                (iii)
Sole power to dispose or to direct the disposition of
     
   
0

 
                (iv)
Shared power to dispose or to direct the disposition of
     
   
See Item 4(a)


 
 
 
 
CUSIP No.  171779309
 
13G/A
Page 15 of 17 Pages




Exhibits:
  

Exhibit I:
Exhibit I: Joint Filing Agreement, dated as of February 14, 2012, by and among Highbridge International LLC, Highbridge Long/Short Equity Fund, L.P., Highbridge Long/Short Equity Fund, Ltd., Highbridge Long/Short Institutional Fund, Ltd., Highbridge Managed Portfolio Master, Ltd., STAR L.P. (a statistical arbitrage strategy), Highbridge Long-Term Equity Master Fund, L.P., Highbridge Long/Short Equity Master Fund, L.P., Highbridge Capital Management, LLC and Glenn Dubin.
   

 

 
 
 
CUSIP No.  171779309
 
13G/A
Page 16 of 17 Pages



SIGNATURES
 
After reasonable inquiry and to the best of its knowledge and belief, each of the undersigned certifies that the information with respect to it set forth in this statement is true, complete, and correct.
 
DATE:  February 14, 2012

HIGHBRIDGE CAPITAL MANAGEMENT, LLC
  
HIGHBRIDGE INTERNATIONAL LLC
     
   
By:
Highbridge Capital Management, LLC
     
its Trading Manager
     
By:
/s/ John Oliva
  
By:
/s/ John Oliva
Name:
John Oliva
  
Name:
John Oliva
Title:
Managing Director
  
Title:
Managing Director

HIGHBRIDGE LONG/SHORT EQUITY FUND, L.P.
  
HIGHBRIDGE LONG/SHORT EQUITY FUND, LTD.
     
By:
Highbridge Capital Management, LLC
  
By:
Highbridge Capital Management, LLC
 
its Trading Manager
    
its Trading Manager
     
By:
/s/ John Oliva
  
By:
/s/ John Oliva
Name:
John Oliva
  
Name:
John Oliva
Title:
Managing Director
  
Title:
Managing Director

HIGHBRIDGE LONG/SHORT INSTITUTIONAL FUND, LTD.
  
HIGHBRIDGE MANAGED PORTFOLIO MASTER, LTD.
     
By:
Highbridge Capital Management, LLC
  
By:
Highbridge Capital Management, LLC
 
its Trading Manager
    
its Advisor
     
By:
/s/ John Oliva
  
By:
/s/ John Oliva
Name:
John Oliva
  
Name:
John Oliva
Title:
Managing Director
  
Title:
Managing Director

STAR, L.P. (a statistical arbitrage strategy)
    
     
By:
Highbridge Capital Management, LLC
    
 
its Trading Manager
  
/s/ Glenn Dubin
     
GLENN DUBIN
By:
/s/ John Oliva
    
Name:
John Oliva
    
Title:
Managing Director
    

HIGHBRIDGE LONG-TERM EQUITY MASTER FUND, L.P.
  
HIGHBRIDGE LONG/SHORT EQUITY MASTER FUND, L.P.
     
By:
Highbridge Capital Management, LLC
  
By:
Highbridge Capital Management, LLC
 
its Trading Manager
    
its Trading Manager
     
By:
/s/ John Oliva
  
By:
/s/ John Oliva
Name:
John Oliva
  
Name:
John Oliva
Title:
Managing Director
  
Title:
Managing Director
 
 
 
 
 
 
CUSIP No.  171779309
 
13G/A
Page 17 of 17 Pages



EXHIBIT I
 
JOINT FILING AGREEMENT
 
This will confirm the agreement by and among the undersigned that the Schedule 13G filed with the Securities and Exchange Commission on or about the date hereof with respect to the beneficial ownership by the undersigned of the shares of Common Stock, par value $0.01 per share, of Ciena Corporation, is being filed, and all amendments thereto will be filed, on behalf of each of the persons and entities named below in accordance with Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended. This Agreement may be executed in two or more counterparts, each of which shall be deemed an original, but all of which together shall constitute one and the same instrument.
 
DATE:  February 14, 2012

HIGHBRIDGE CAPITAL MANAGEMENT, LLC
  
HIGHBRIDGE INTERNATIONAL LLC
     
   
By:
Highbridge Capital Management, LLC
     
its Trading Manager
     
By:
/s/ John Oliva
  
By:
/s/ John Oliva
Name:
John Oliva
  
Name:
John Oliva
Title:
Managing Director
  
Title:
Managing Director

HIGHBRIDGE LONG/SHORT EQUITY FUND, L.P.
  
HIGHBRIDGE LONG/SHORT EQUITY FUND, LTD.
     
By:
Highbridge Capital Management, LLC
  
By:
Highbridge Capital Management, LLC
 
its Trading Manager
    
its Trading Manager
     
By:
/s/ John Oliva
  
By:
/s/ John Oliva
Name:
John Oliva
  
Name:
John Oliva
Title:
Managing Director
  
Title:
Managing Director

HIGHBRIDGE LONG/SHORT INSTITUTIONAL FUND, LTD.
  
HIGHBRIDGE MANAGED PORTFOLIO MASTER, LTD.
     
By:
Highbridge Capital Management, LLC
  
By:
Highbridge Capital Management, LLC
 
its Trading Manager
    
its Advisor
     
By:
/s/ John Oliva
  
By:
/s/ John Oliva
Name:
John Oliva
  
Name:
John Oliva
Title:
Managing Director
  
Title:
Managing Director

STAR, L.P. (a statistical arbitrage strategy)
    
     
By:
Highbridge Capital Management, LLC
    
 
its Trading Manager
  
/s/ Glenn Dubin
     
GLENN DUBIN
By:
/s/ John Oliva
    
Name:
John Oliva
    
Title:
Managing Director
    

HIGHBRIDGE LONG-TERM EQUITY MASTER FUND, L.P.
  
HIGHBRIDGE LONG/SHORT EQUITY MASTER FUND, L.P.
     
By:
Highbridge Capital Management, LLC
  
By:
Highbridge Capital Management, LLC
 
its Trading Manager
    
its Trading Manager
     
By:
/s/ John Oliva
  
By:
/s/ John Oliva
Name:
John Oliva
  
Name:
John Oliva
Title:
Managing Director
  
Title:
Managing Director