It is unclear whether the cost savings will include redundancies and Trinity Mirror was unavailable for further comment this morning.
Trinity Mirror said in a statement: "The group is taking a series of measures to drive efficiencies through re-engineering and reducing costs.
"We will deliver annualised cost savings of £25m in 2008 being £5m ahead of target. In addition incremental cost savings of at least £20m will be delivered in 2009."
Today's trading update follows the company's announcement earlier this week that it is to close five of its North East offices, which will create the loss of 10 to 15 commercial jobs and 28 editorial jobs.
Despite revealing continuing declines in revenue, the update sparked a 20% rise in the group's share price by 5.75p to 35p.
The update revealed that newspaper publisher's group revenues for the 17 weeks from the beginning of July to October 26 fell by 11.4% year on year, while its revenues for the year to date fell by 5.4% year on year.
This decline came on the back of a fall in group advertising revenues, which have dropped by 11.3% in the year to date and by 19.4% for the 17 week period.
Trinity's national advertising revenues fell by 9.9% in the year to date, reflecting a decline of 6.5% for the first half and 15.4% for the period.
Similarly, group circulation revenues have fallen by 2.9% in the first 43 weeks of the year, with a decline of 3.8% for the regional titles, such as the Birmingham Post, and 2.7% for the nationals, such as the Daily Mirror and Sunday Mirror.
Circulation volumes for the 17-week period to October 26 have fallen 5.7% for the regionals and 4.7% for the nationals.
However, Trinity's digital revenues continue to grow and have increased by 29.2% in the year to date, with an increase of 26% for the regionals and 55.5% for the nationals.
Market conditions have slowed digital growth in the second half, with increases of 15.5% for the period.
Trinity said in a statement: "In line with the worsening economy and the impact it has had on the advertising market, trading conditions have continued to deteriorate since the half year, with rates of decline accelerating in all advertising categories. Digital revenues continue to grow, though at a slower rate.
"The reduction in consumer discretionary spend is having a marginal impact on circulation revenues.
"In view of these uncertain market conditions we expect trading to remain challenging and therefore remain cautious about prospects for the remainder of 2008 and for 2009.
"The board anticipates performance for the year to be in line with expectations."
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