Umicore

Transaction in Own Shares • Jan 3, 2012

Share information 3 January 2012 CP-2012-01-R 08:30 CET

Acquisition of own shares

On the basis of Article 207 of the Royal Decree of 30 January 2001, as amended on 26 April 2009, implementing the Belgian Companies Code, Umicore announces the following share buy-back transactions effected on the regulated market of NYSE Euronext Brussels :

Date of acquisition	Number of shares	Average price (EUR)	Highest price (EUR)	Lowest price (EUR)
27/12/2011	11,695	31.46	31.63	31.28
28/12/2011	42,843	31.32	31.64	30.97
Total for the week	54,538	31.35	31.64	30.97
Total in 2011	3,086,939	30.20	33.86	24.60

All details related to the acquisition of own shares by Umicore can be found on: http://www.umicore.com/investorrelations/en/shareInformation/buyBack

For more information

Investor Relations:

Mr. Geoffroy RASKIN +32 2 227 71 47 geoffroy.raskin@umicore.com