Exhibit
13.1
Certification
of Chief Executive Officer pursuant to 18 U.S.C. Section 1350, as adopted
pursuant to Section 906 of the Sarbanes-Oxley Act of
2002.
In
connection with the Annual Report of pSivida Limited (the “Company”) on Form
20-F for the period ending June 30, 2006, as filed with the Securities and
Exchange Commission on the date hereof (the “Report”), I, Roger Brimblecombe, Chief
Executive Officer and Managing Director of the Company, certify, pursuant to
18
U.S.C. §1350,
as adopted pursuant to §906 of the Sarbanes-Oxley Act of 2002, that: (1) The
Report fully complies with the requirements of Section 13(a) or 15(d) of the
Securities Exchange Act of 1934; and (2) The information contained in the Report
fairly presents, in all material respects, the financial condition and result
of
operations of the Company.
Date: December
8, 2006
/s/
Roger Brimblecombe
Roger
Brimblecombe
EXECUTIVE
CHAIRMAN OF THE BOARD OF DIRECTORS AND PRINCIPAL EXECUTIVE
OFFICER
Title
*
The
originally executed copy of this Certification will be maintained at the
Company’s offices and will be made available for inspection upon
request.