Re: Letting

Derwent Valley Holdings PLC
30 October 2006





30 October 2006



         Derwent Valley Holdings plc ("Derwent Valley" / the "Company")



                      DERWENT VALLEY LETS 46,419 SQ FT AT 
                  JOHNSON BUILDING EC1 TO THOMSON SCIENTIFIC






Derwent Valley London Limited, a subsidiary of Derwent Valley Holdings Plc ("
Derwent Valley") has let 46,419 sq ft (4,312 sq m) at its 150,000 sq ft (13,900
sq m) Johnson Building, Hatton Garden, EC1, to Thomson Scientific Ltd ("Thomson
Scientific").  This transaction follows the recent lettings to Grey Advertising
and Faber Maunsell and leaves just one area of approximately 11,000 sq ft (1,020
sq m) on the second floor.



Thomson Scientific will occupy the southern half of the first, ground and lower
ground floors, as well as the eastern half of the second floor, on a 15 year
lease at an annual rent of £1,511,723.  The lease includes a 16 month rent free
period and an option to break at the end of the tenth year. The rent on the part
second floor prime space equates to £40.00 per square foot.



The Johnson Building is Derwent Valley's most recently completed project and
offers high quality office space around an impressive central atrium.  Thomson
Scientific provides integrated information solutions to the world's research and
development communities.



John Burns, Managing Director of Derwent Valley, commented:

"We are delighted to secure this letting to Thomson Scientific, a global
organization, which has swiftly confirmed the success of the Johnson Building.
Thomson Scientific's occupation follows the lettings to Grey Advertising and
Faber Maunsell and reconfirms Derwent Valley's skill in identifying improving
locations and creating dynamic space that attracts tenants."



The Thomson Corporation (thomson.com), with 2005 revenues of approximately $8.40
billion, is a global leader in providing integrated information solutions to
business and professional customers.  Thomson provides value-added information,
software tools and applications to more than 20 million users in the fields of
law, tax, accounting, financial services, higher education, reference
information, corporate e-learning and assessment, scientific research and
healthcare.  With operational headquarters in Stamford, Conneticut, Thomson has
approximately 40,500 employees and provides services in approximately 130
countries.  The Corporation's common shares are listed on the New York and
Toronto stock exchanges (NYSE: TOC; TSX: TOC).

Thomson Scientific is a business of The Thomson Corporation.  Its information
solutions assist professionals at every stage of research and development-from
discovery to analysis to product development and distribution. Thomson
Scientific information solutions can be found at scientific.thomson.com.



                                     -Ends-





For further information please contact:


Derwent Valley Holdings plc                            Tel: [phone]
John Burns


Financial Dynamics:                                    Tel: [phone]
Stephanie Highett/Marcus Pepperell







Notes to editors:



Derwent Valley is one of the capital's leading investors.



Specialising in innovative design, Derwent Valley's circa £1 billion portfolio
comprises income-generating assets, office refurbishment and new-build projects
and mixed-use schemes.



The group not only focuses its work on the West End, but in other London
locations where it perceives future value.  With five executive directors and 28
staff in total, Derwent Valley prides itself on pioneering design solutions,
creating interesting work environments and working with Britain's leading
architects and designers.



Website: www.derwentvalley.co.uk









                      This information is provided by RNS
            The company news service from the London Stock Exchange