UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
----------------------
SCHEDULE 13G
Under the Securities Exchange Act of 1934
Aradigm Corporation
(Name of Issuer)
Common Stock, no par value
(Title of Class of Securities)
038505301
(CUSIP Number)
January 25, 2007
(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)
----------------
*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 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).
Page 1 of 17 Pages
CUSIP No. 038505301 13G Page 2 of 17 Pages
--------------------------------------------------------------------------------
(1) NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NO. OF ABOVE 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 (5) SOLE VOTING POWER
0
SHARES ----------------------------------------------------------------
BENEFICIALLY (6) SHARED VOTING POWER
4,330,000 shares of Common Stock
OWNED BY -----------------------------------------------------------------
EACH (7) SOLE DISPOSITIVE POWER
0
REPORTING -----------------------------------------------------------------
PERSON WITH (8) SHARED DISPOSITIVE POWER
4,330,000 shares of Common Stock
--------------------------------------------------------------------------------
(9) AGGREGATE AMOUNT BENEFICIALLY OWNED
BY EACH REPORTING PERSON
4,330,000 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)
8.84%
--------------------------------------------------------------------------------
(12) TYPE OF REPORTING PERSON **
OO
--------------------------------------------------------------------------------
** SEE INSTRUCTIONS BEFORE FILLING OUT!
CUSIP No. 038505301 13G Page 3 of 17 Pages
--------------------------------------------------------------------------------
(1) NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS
Highbridge Capital Corporation
--------------------------------------------------------------------------------
(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 (5) SOLE VOTING POWER
0
SHARES -----------------------------------------------------------------
BENEFICIALLY (6) SHARED VOTING POWER
4,330,000 shares of Common Stock
OWNED BY -----------------------------------------------------------------
EACH (7) SOLE DISPOSITIVE POWER
0
REPORTING -----------------------------------------------------------------
PERSON WITH (8) SHARED DISPOSITIVE POWER
4,330,000 shares of Common Stock
--------------------------------------------------------------------------------
(9) AGGREGATE AMOUNT BENEFICIALLY OWNED
BY EACH REPORTING PERSON
4,330,000 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)
8.84%
--------------------------------------------------------------------------------
(12) TYPE OF REPORTING PERSON **
OO
--------------------------------------------------------------------------------
** SEE INSTRUCTIONS BEFORE FILLING OUT!
CUSIP No. 038505301 13G Page 4 of 17 Pages
--------------------------------------------------------------------------------
(1) NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS
Highbridge Capital 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 (5) SOLE VOTING POWER
0
SHARES -----------------------------------------------------------------
BENEFICIALLY (6) SHARED VOTING POWER
4,330,000 shares of Common Stock
OWNED BY -----------------------------------------------------------------
EACH (7) SOLE DISPOSITIVE POWER
0
REPORTING -----------------------------------------------------------------
PERSON WITH (8) SHARED DISPOSITIVE POWER
4,330,000 shares of Common Stock
--------------------------------------------------------------------------------
(9) AGGREGATE AMOUNT BENEFICIALLY OWNED
BY EACH REPORTING PERSON
4,330,000 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)
8.84%
--------------------------------------------------------------------------------
(12) TYPE OF REPORTING PERSON **
PN
--------------------------------------------------------------------------------
** SEE INSTRUCTIONS BEFORE FILLING OUT!
CUSIP No. 038505301 13G Page 5 of 17 Pages
--------------------------------------------------------------------------------
(1) NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS
Highbridge Master 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
Cayman Islands, British West Indies
--------------------------------------------------------------------------------
NUMBER OF (5) SOLE VOTING POWER
0
SHARES -----------------------------------------------------------------
BENEFICIALLY (6) SHARED VOTING POWER
4,330,000 shares of Common Stock
OWNED BY -----------------------------------------------------------------
EACH (7) SOLE DISPOSITIVE POWER
0
REPORTING -----------------------------------------------------------------
PERSON WITH (8) SHARED DISPOSITIVE POWER
4,330,000 shares of Common Stock
--------------------------------------------------------------------------------
(9) AGGREGATE AMOUNT BENEFICIALLY OWNED
BY EACH REPORTING PERSON
4,330,000 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)
8.84%
--------------------------------------------------------------------------------
(12) TYPE OF REPORTING PERSON **
PN
--------------------------------------------------------------------------------
** SEE INSTRUCTIONS BEFORE FILLING OUT!
CUSIP No. 038505301 13G Page 6 of 17 Pages
--------------------------------------------------------------------------------
(1) NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS
Highbridge GP, 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 (5) SOLE VOTING POWER
0
SHARES -----------------------------------------------------------------
BENEFICIALLY (6) SHARED VOTING POWER
4,330,000 shares of Common Stock
OWNED BY -----------------------------------------------------------------
EACH (7) SOLE DISPOSITIVE POWER
0
REPORTING -----------------------------------------------------------------
PERSON WITH (8) SHARED DISPOSITIVE POWER
4,330,000 shares of Common Stock
--------------------------------------------------------------------------------
(9) AGGREGATE AMOUNT BENEFICIALLY OWNED
BY EACH REPORTING PERSON
4,330,000 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)
8.84%
--------------------------------------------------------------------------------
(12) TYPE OF REPORTING PERSON **
OO
--------------------------------------------------------------------------------
** SEE INSTRUCTIONS BEFORE FILLING OUT!
CUSIP No. 038505301 13G Page 7 of 17 Pages
--------------------------------------------------------------------------------
(1) NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS
Highbridge GP, 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 (5) SOLE VOTING POWER
0
SHARES -----------------------------------------------------------------
BENEFICIALLY (6) SHARED VOTING POWER
4,330,000 shares of Common Stock
OWNED BY -----------------------------------------------------------------
EACH (7) SOLE DISPOSITIVE POWER
0
REPORTING -----------------------------------------------------------------
PERSON WITH (8) SHARED DISPOSITIVE POWER
4,330,000 shares of Common Stock
--------------------------------------------------------------------------------
(9) AGGREGATE AMOUNT BENEFICIALLY OWNED
BY EACH REPORTING PERSON
4,330,000 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)
8.84%
--------------------------------------------------------------------------------
(12) TYPE OF REPORTING PERSON **
OO
--------------------------------------------------------------------------------
** SEE INSTRUCTIONS BEFORE FILLING OUT!
CUSIP No. 038505301 13G Page 8 of 17 Pages
--------------------------------------------------------------------------------
(1) NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS
Highbridge Capital Management, LLC 20-1901985
--------------------------------------------------------------------------------
(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 (5) SOLE VOTING POWER
0
SHARES -----------------------------------------------------------------
BENEFICIALLY (6) SHARED VOTING POWER
4,330,000 shares of Common Stock
OWNED BY -----------------------------------------------------------------
EACH (7) SOLE DISPOSITIVE POWER
0
REPORTING -----------------------------------------------------------------
PERSON WITH (8) SHARED DISPOSITIVE POWER
4,330,000 shares of Common Stock
--------------------------------------------------------------------------------
(9) AGGREGATE AMOUNT BENEFICIALLY OWNED
BY EACH REPORTING PERSON
4,330,000 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)
8.84%
--------------------------------------------------------------------------------
(12) TYPE OF REPORTING PERSON **
OO
--------------------------------------------------------------------------------
** SEE INSTRUCTIONS BEFORE FILLING OUT!
CUSIP No. 038505301 13G Page 9 of 17 Pages
--------------------------------------------------------------------------------
(1) NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NO. OF ABOVE 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 (5) SOLE VOTING POWER
0
SHARES -----------------------------------------------------------------
BENEFICIALLY (6) SHARED VOTING POWER
4,330,000 shares of Common Stock
OWNED BY -----------------------------------------------------------------
EACH (7) SOLE DISPOSITIVE POWER
0
REPORTING -----------------------------------------------------------------
PERSON WITH (8) SHARED DISPOSITIVE POWER
4,330,000 shares of Common Stock
--------------------------------------------------------------------------------
(9) AGGREGATE AMOUNT BENEFICIALLY OWNED
BY EACH REPORTING PERSON
4,330,000 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)
8.84%
--------------------------------------------------------------------------------
(12) TYPE OF REPORTING PERSON **
IN
--------------------------------------------------------------------------------
** SEE INSTRUCTIONS BEFORE FILLING OUT!
CUSIP No. 038505301 13G Page 10 of 17 Pages
--------------------------------------------------------------------------------
(1) NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS
Henry Swieca
--------------------------------------------------------------------------------
(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 (5) SOLE VOTING POWER
0
SHARES -----------------------------------------------------------------
BENEFICIALLY (6) SHARED VOTING POWER
4,330,000 shares of Common Stock
OWNED BY -----------------------------------------------------------------
EACH (7) SOLE DISPOSITIVE POWER
0
REPORTING -----------------------------------------------------------------
PERSON WITH (8) SHARED DISPOSITIVE POWER
4,330,000 shares of Common Stock
--------------------------------------------------------------------------------
(9) AGGREGATE AMOUNT BENEFICIALLY OWNED
BY EACH REPORTING PERSON
4,330,000 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)
8.84%
--------------------------------------------------------------------------------
(12) TYPE OF REPORTING PERSON **
IN
--------------------------------------------------------------------------------
** SEE INSTRUCTIONS BEFORE FILLING OUT!
CUSIP No. 038505301 13G Page 11 of 17 Pages
Item 1.
(a) Name of Issuer
Aradigm Corporation (the "Company").
(b) Address of Issuer's Principal Executive Offices
3929 Point Eden Way
Hayward CA 94545
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 CAPITAL CORPORATION
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 MASTER L.P.
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 CAPITAL L.P.
c/o Highbridge Capital Management, LLC
9 West 57th Street, 27th Floor
New York, New York 10019
Citizenship: State of Delaware
HIGHBRIDGE GP, 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 GP, LLC
c/o Highbridge Capital Management, LLC
9 West 57th Street, 27th Floor
New York, New York 10019
Citizenship: State of Delaware
CUSIP No. 038505301 13G Page 12 of 17 Pages
HIGHBRIDGE CAPITAL MANAGEMENT, LLC IRS #: 20-1901985
9 West 57th
Street, 27th Floor
New York, New York 10019
Citizenship: State of Delaware
GLENN DUBIN
c/o Highbridge Capital Management, LLC
9 West 57th Street, 27th Floor
New York, New York 10019
Citizenship: United States
HENRY SWIECA
c/o Highbridge Capital Management, LLC
9 West 57th Street, 27th Floor
New York, New York 10019
Citizenship: United States
Item 2(d) Title of Class of Securities
Common Stock, no par value ("Common Stock")
Item 2(e) CUSIP Number
038505301
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
(15 U.S.C. 78o).
(b) [ ] Bank as defined in Section 3(a)(6) of the Act (15 U.S.C. 78c).
(c) [ ] Insurance company as defined in Section 3(a)(19) of the Act
(15 U.S.C. 78c).
(d) [ ] Investment company registered under Section 8 of the Investment
Company Act of 1940 (15 U.S.C. 80a-8).
(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) [ ] A parent holding company or control person in accordance with
Rule 13d-1(b)(1)(ii)(G);
(h) [ ] A savings association as defined in Section 3(b) of the Federal
Deposit Insurance Act (12 U.S.C. 1813);
(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
(15 U.S.C. 80a-3);
(j) [ ] Group, in accordance with Rule 13d-1(b)(1)(ii)(J).
If this statement is filed pursuant to Rule 13d-1(c), check this box. [X]
CUSIP No. 038505301 13G Page 13 of 17 Pages
Item 4. Ownership
Provide the following information regarding the aggregate number and
percentage of the class of securities of the issuer identified in Item 1.
(a) Amount beneficially owned:
As of the date of this filing, each Reporting Person may be deemed the
beneficial owner of 4,330,000 shares of Common Stock owned by Highbridge
International LLC.
Highbridge International LLC is a subsidiary of Highbridge Master L.P.
Highbridge Capital Corporation and Highbridge Capital L.P. are limited partners
of Highbridge Master L.P. Highbridge GP, Ltd. is the General Partner of
Highbridge Master L.P. Highbridge GP, LLC is the General Partner of Highbridge
Capital L.P. Highbridge Capital Management, LLC is the trading manager of
Highbridge Capital Corporation, Highbridge Capital L.P., Highbridge
International LLC and Highbridge Master L.P. Glenn Dubin is a Co-Chief Executive
Officer of Highbridge Capital Management, LLC. Henry Swieca is a Co-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 Master L.P., Highbridge Capital
Corporation, Highbridge Capital L.P., Highbridge GP, Ltd., Highbridge GP, LLC,
Highbridge Capital Management, LLC, Glenn Dubin and Henry Swieca disclaims
beneficial ownership of shares of Common Stock owned by Highbridge International
LLC.
(b) Percent of class:
The Company's Prospectus pursuant to Rule 424(b)(4) that was filed on
January 25, 2007, indicates there were 49,012,113 shares of Common Stock
outstanding as of January 25, 2007. Therefore, based on the Company's
outstanding shares of Common Stock, the Reporting Persons may be deemed to
beneficially own approximately 8.84% of the outstanding shares of Common Stock
of the Company. The foregoing should not be construed in and of itself as an
admission by any Reporting Person as to beneficial ownership of shares of shares
of Common Stock owned by another Reporting Person.
(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. 038505301 13G Page 14 of 17 Pages
Item 5. Ownership of Five Percent or Less of a Class
Not applicable.
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 or
Control Person
Not applicable.
Item 8. Identification and Classification of Members of the Group
See Exhibit I.
Item 9. Notice of Dissolution of Group
Not applicable.
Item 10. Certification
By signing below each of the undersigned certifies that, to the best
of its knowledge and belief, the securities referred to above 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.
Exhibits:
Exhibit I: Joint Filing Agreement, dated as of February 1, 2007, by and among
Highbridge International LLC, Highbridge Capital Corporation, Highbridge Capital
L.P., Highbridge Master L.P., Highbridge GP, Ltd., Highbridge GP, LLC,
Highbridge Capital Management, LLC, Glenn Dubin and Henry Swieca.
CUSIP No. 038505301 13G Page 15 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.
Dated: February 1, 2007
HIGHBRIDGE INTERNATIONAL LLC HIGHBRIDGE CAPITAL L.P.
By: Highbridge Capital Management, LLC By: Highbridge GP, LLC
its Trading Manager its General Partner
By: /s/ Carolyn Rubin By: /s/ Clive Harris
------------------------------------- -----------------------------
Name: Carolyn Rubin Name: Clive Harris
Title: Managing Director Title: Director
HIGHBRIDGE CAPITAL CORPORATION HIGHBRIDGE GP, LTD.
By: Highbridge Capital Management, LLC
its Trading Manager
By: /s/ Clive Harris
-----------------------------
By: /s/ Carolyn Rubin Name: Clive Harris
------------------------------------- Title: Director
Name: Carolyn Rubin
Title: Managing Director
HIGHBRIDGE MASTER L.P. HIGHBRIDGE CAPITAL MANAGEMENT, LLC
By: Highbridge GP, Ltd. By: /s/ Carolyn Rubin
its General Partner -----------------------------
Name: Carolyn Rubin
Title: Managing Director
By: /s/ Clive Harris
-------------------------------------
Name: Clive Harris
Title: Director
HIGHBRIDGE GP, LLC
By: /s/ Clive Harris /s/ Henry Swieca
------------------------------------- ---------------------------------
Name: Clive Harris HENRY SWIECA
Title: Director
/s/ Glenn Dubin
-------------------------------------
GLENN DUBIN
CUSIP No. 038505301 13G Page 16 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, no par value, of Aradigm 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.
Dated as of February 1, 2007
HIGHBRIDGE INTERNATIONAL LLC HIGHBRIDGE CAPITAL L.P.
By: Highbridge Capital Management, LLC By: Highbridge GP, LLC
its Trading Manager its General Partner
By: /s/ Carolyn Rubin By: /s/ Clive Harris
------------------------------------- -----------------------------
Name: Carolyn Rubin Name: Clive Harris
Title: Managing Director Title: Director
HIGHBRIDGE CAPITAL CORPORATION HIGHBRIDGE GP, LTD.
By: Highbridge Capital Management, LLC
its Trading Manager
By: /s/ Carolyn Rubin By: /s/ Clive Harris
------------------------------------- -----------------------------
Name: Carolyn Rubin Name: Clive Harris
Title: Managing Director Title: Director
HIGHBRIDGE MASTER L.P. HIGHBRIDGE CAPITAL MANAGEMENT, LLC
By: Highbridge GP, Ltd.
its General Partner By: /s/ Carolyn Rubin
-----------------------------
Name: Carolyn Rubin
Title: Managing Director
By: /s/ Clive Harris
-------------------------------------
Name: Clive Harris
Title: Director
CUSIP No. 038505301 13G Page 17 of 17 Pages
HIGHBRIDGE GP, LLC
By: /s/ Clive Harris /s/ Henry Swieca
------------------------------------- ---------------------------------
Name: Clive Harris HENRY SWIECA
Title: Director
/s/ Glenn Dubin
-------------------------------------
GLENN DUBIN