Share Consolidation - Updated

RNS Number : 4172L

Costain Group PLC

05 May 2010

Costain Group PLC

("Costain" or "the Group")

Share Consolidation - Updated Timetable

The Company announces that, in relation to the proposed one-for-ten consolidation of its ordinary 5p shares, the expected effective time for the share consolidation¹ will now be 7.00 a.m. on Monday 10 May 2010. Accordingly, the record date will be 5.30 p.m. on Friday 7 May 2010.

The revised timetable is set out below:

Event		Date

Annual General Meeting ("AGM")		11.00 a.m. on Thursday 6 May 2010
Record date for the share consolidation¹		5.30 p.m. on Friday 7 May 2010
Share consolidation becomes effective¹		7.00 a.m. on Monday 10 May 2010
CREST accounts credited with New Ordinary Shares and dealings in New Ordinary Shares commence¹		7.00 a.m. on Monday 10 May 2010
Shares certificates for New Ordinary Shares posted¹		on or around Friday 14 May 2010
Proceeds of fractional entitlements (where elected for) posted by cheque or credited to CREST accounts¹		on or around Friday 14 May 2010

¹ Assuming that the resolution to effect the share consolidation is approved by shareholders at the AGM.

As set out in the resolution to effect the share consolidation to be put to shareholders at the AGM, the share consolidation will be in respect of all of the Company's ordinary 5p shares in issue as at the close of business on 6 May 2010. Accordingly, no new ordinary 5p shares will be issued by the Company between such time and the time at which the share consolidation becomes effective.

5 May 2010

Enquiries: