The newspaper publisher, which has issued a trading update ahead of its preliminary results in March, reported a 7.9% year-on-year fall in group advertising revenues, excluding acquisitions, for the five months to November 2005.
The performance for the 11 months to November 2005 was slightly better, with a year-on-year drop of 3.8%.
The regional portfolio, which includes the Liverpool Echo and the Birmingham Post & Mail, experienced a 4.9% year-on-year drop for the five months to November 2005. Recruitment advertising fell by 20.5% but property advertising was up by 6.4%.
The national portfolio, which includes the Daily Mirror, the Sunday Mirror and the People, was hammered by a 14.4% year-on-year drop.
The Scottish national titles, which include the Daily Record, experienced a 10.1% fall in revenue compared with the 15.9% decline for the UK national titles.
Advertising revenues for the sports division and the magazines and exhibitions division fell by 11.2% and 9.1% respectively for the same period.