THE BANK OF 
NEW YORK
 NEW YORKS FIRST BANK - FOUNDED 
1784 BY ALEXANDER HAMILTON

101 BARCLAY STREET, NEW YORK, N.Y. 
10286
AMERICAN DEPOSITARY RECEIPTS

June 2, 2005	
					
SECURITIES & EXCHANGE COMMISSION
450 Fifth Street, NW
Washington, DC 20549			
		
Attn.: Document Control 		
		

			
RE:	Depositary Shares evidenced by 
the American Depositary 
Receipts for Ordinary Shares
of Trinity Biotech plc
(File No. 333-111946)

Ladies and Gentlemen:

Pursuant to Rule 424(b)(3) under the 
Securities Act of 1933, as amended, on 
behalf of The Bank of New York, as 
Depositary for securities against which 
American Depositary Receipts are to be 
issued, we attach a copy of the new 
prospectus (Prospectus) reflecting the 
change in the number of ordinary shares 
represented by American Depositary 
Share (the Ratio).

Pursuant to Section III B of the General 
Instructions to the Form F-6 
Registration Statement, the Prospectus 
consists of the ADR certificate for 
Trinity Biotech plc. 

The Prospectus has been revised to 
reflect the new Ratio, and has been 
overstamped with: 
                                
As of June 2, 2005 the new ratio will be
1 ADS represents 4 Deposited Shares


Please contact me with any questions or 
comments at 212 815-2276. 


Sincerely,

/s/ Violet Pagan
Violet Pagan
Assistant Vice President

 

Encl.