| Date | Source | Headline |
|---|---|---|
| 3rd Jun 2005 7:00 am | RNS | Trading Statement |
| 15th Apr 2005 7:00 am | RNS | Preliminary Results |
| 15th Apr 2005 7:00 am | RNS | Directorate Change |
| 21st Mar 2005 7:00 am | RNS | UMC Silicon Wafer Production |
| 7th Mar 2005 2:55 pm | RNS | Blocklisting |
| 21st Jan 2005 9:14 am | RNS | Adjustment to Options |