The provider of information-based analytics and decision tools expects exhibitions to generate £330-360mln in revenue in 2020, having slumped 70% in the year to date.
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Total costs are expected to be £530-540mln excluding one-off costs related to restructuring and cancellations which are yet to be quantified.
The other business areas – scientific, technical & medical (STM), risk & business analytics, legal – have continued to see a gradual improvement in underlying revenue growth rates since the end of the first half.
They accounted for 84% of revenue and 87% of adjusted operating profit in 2019.
The FTSE 100 expects modest underlying revenue growth for STM and legal, while performance in risk & business analytics will depend on how business activity continues to improve over the next months.
Shares dipped 1% to 1,639p early on Thursday.