SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN ISSUER
Pursuant to Rule 13a-16 or 15d-16 of
the Securities Exchange Act of 1934
For the month of February 2006

Commission File Number 000-51122

pSivida Limited
(Translation of registrant’s name into English)

Level 12 BGC Centre
28 The Esplanade
Perth WA 6000
(Address of principal executive offices)
 
(Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F).

Form 20-F x        Form 40-F o
 
Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1):
 
Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7):
 
Indicate by check mark whether the registrant by furnishing the information contained in this Form is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.

Yes o        No x

If "Yes" is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b): 82- ___.

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant, pSivida Limited, has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.
 
Date: February 23, 2006
     
  pSivida Limited
 
 
 
 
 
 
  By:   /s/Aaron Finlay
 
Aaron Finlay
  Chief Financial Officer and Company Secretary
 
 
 

 
 
EXHIBIT INDEX
 
EXHIBIT 99.1:
Note Amendment Agreement, dated February 22, 2006, by and between pSivida Limited and Castlerigg Master Investments Ltd.

 
 

 

NOTE AMENDMENT AGREEMENT

This Note Amendment Agreement (this “Agreement”) is made as of the 22nd day of February 2006 by and between pSivida Limited, a company organized under the laws of Australia (the “Company”) and Castlerigg Master Investments Ltd., a company organized under the laws of the British Virgin Islands (the “Holder”).

WHEREAS, the Company issued a Subordinated Convertible Note, dated November 16, 2005, in the principal amount of Fifteen Million U.S. Dollars (US$15,000,000) in favor of the Holder (the “Note”), and the Company and the Holder desire to modify the Note as set forth herein.

NOW, THEREFORE, in consideration of the foregoing and for other good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the parties hereto hereby agree as follows:

1. Section 7(f) of the Note is hereby amended in its entirety to read as follows:

“(f) Adjustment. If on the ten (10) month anniversary of the Subscription Date, the Subsequent Conversion Price is less than the then applicable Conversion Price, then the Conversion Price shall be reset to the Subsequent Conversion Price.”

2. Section 29(qq) of the Note is hereby amended in its entirety to read as follows:

“(qq) “Subsequent Conversion Price” means 108% of the arithmetic average of the Weighted Average Price of the ADRs for the ten (10) consecutive Trading Days ending on the Trading Day immediately preceding the ten (10) month anniversary of the Subscription Date. All such determinations to be appropriately adjusted for any share split, share dividend, share combination or other similar transaction during such period.”

3. Except as otherwise expressly modified hereby, the Note remains in full force and effect on the date hereof.

4. This Agreement may be executed in counterparts, each of which shall be identical and all of which, when taken together, shall constitute one and the same instrument. This Agreement shall be governed by and interpreted in accordance with the laws of the State of New York, USA.

IN WITNESS WHEREOF, this Agreement was duly executed as of the date first above written.
 
CASTLERIGG MASTER INVESTMENTS LTD.    
PSIVIDA LIMITED
       
       
By:   /s/ Patrick T. Burke     By:   /s/ Gavin Rezos

Name: Patrick T. Burke
   

Name: Gavin Rezos
Title: Senior Managing Director
   
Title: Managing Director