Umicore — Proxy Solicitation & Information Statement 2012

Apr 28, 2012

LIMITED LIABILITY COMPANY Registered Office: rue du Marais 31 Broekstraat - 1000 Brussels VAT BE 0401.574.852 RLE Brussels

VOTE B Y CORRESPONDENCE

Extraordinary shareholders' meeting to be held on Thursday 31 May 2012 at 5.00 p.m. at the registered office rue du Marais 31 Broekstraat, 1000 Brussels

Original voting form to be returned by Friday 25 May 2012 at the latest to: UMICORE NV/SA Mr B. Caeymaex Broekstraat 31 rue du Marais B-1000 Brussels (Belgium)

The undersigned ¹ ,

Owner of shares of UMICORE NV/SA, with registered office at Broekstraat 31 rue du Marais, B-1000 Brussels

hereby irrevocably votes, as indicated hereafter in the appropriate boxes, on the item of the following agenda :

AGENDA AND VOTING INSTRUCTIONS

A. Extraordinary shareholders' meeting

Item 1

Motion to renew the authorisation to acquire own shares.

First resolution

Proposed resolution:

• Authorising the company to acquire own shares in the company on a regulated market, from 31 May 2012 until 30 November 2013 (included), within a limit of 10% of the subscribed capital, at a price per share comprised between four euros (EUR 4.00) and seventy-five euros (EUR 75.00).

Authorising the company's direct subsidiaries to acquire shares in the company on a regulated market within the same limits as indicated above.

Voting instructions :	YES	NO	ABSTAIN	(Please delete as appropriate)
				Done at , on 2012

Signature…………………………………

IMPORTANT NOTICES:

We remind you that this voting form will only be taken into account if it is timely returned to Umicore and provided that the shareholder has complied with the admission formalities of prior registration and confirmation as described in the convening notice.

Shareholders who have voted by correspondence are furthermore excluded from participating at the voting in the shareholders' meeting with the shares concerned.

¹ The person signing the vote by correspondence form should indicate clearly his/her surname (in capital letters), usual forename and address. If these particulars are already given on the form, the person signing should check and, if necessary, correct them. 2

Umicore will calculate the corresponding number of votes.