When I requested the Taoiseach’s diary for the period between the introduction of the FOI Act and March 31 1999 – which can be viewed here – I made the same request to Finance. I have since received it and uploaded it to Scribd.
Minister for Finance (Charlie McCreevy) Diary April 21 1998 t0 September 31 1999 and October 1 1998 to March 31 1999.
It has been OCRd and can be searched by keyword using the document search field in the lower right hand corner of the Scribd box, alternatively you could download and use Ctrl+F to look for what you’re after.