| Monday 19 January | Extraordinary general meeting at Merchant Taylors' Hall, 30 Threadneedle Street, London EC2R 8AY (Tel: 0171 588 7606) |
| Tuesday 10 February | Results for year 1997 announced |
| Friday 6 March | Annual report posted to shareholders |
| Monday 16 March | Ordinary shares go ex-dividend |
| Wednesday 18 March | ADSs go ex-dividend |
| Tuesday 21 April | First quarter trading statement issued Annual general meeting at Stationers' Hall, Ave Maria Lane, London EC4M 7DD (Tel: 0171 248 2934) |
| Monday 27 April | Final dividend for 1997 payable to ordinary shareholders on the register as at 20 March 1998 |
| Friday 1 May | Final dividend payable to ADS holders on the register as at 20 March 1998 |
| Wednesday 22 July | Results for the first six months of 1998 announced |
| Monday 3 August | Ordinary shares go ex-dividend |
| Wednesday 5 August | ADSs go ex-dividend |
| Tuesday 8 September | Interim dividend for 1998 payable to ordinary shareholders on the register as at 7 August 1998 |
| Monday 14 September | Interim dividend payable to ADS holders on the register as at 7 August 1998 |
| Thursday 22 October | Third quarter trading statement issued |