INTERIM REPORT JANUARY – MARCH 2005

STABLE DEVELOPMENT FOR TRELLEBORG

The Trelleborg Group continued its stable development during the first quarter of 2005. Net sales amounted to SEK 5,794 M (5,815). Organic growth in the Group’s current structure was 1.4 percent. Robust growth in Trelleborg Engineered Systems and Trelleborg Wheel Systems compensated for a weak development in Trelleborg Automotive. Net profit amounted to SEK 245 M, compared with SEK 306 M for the strong first quarter of 2004 when increased prices for raw materials had not yet impacted on results, principally in Trelleborg Automotive. · Net sales amounted to SEK 5,794 M (5,815). · Net profit amounted to SEK 245 M (306). · Earnings per share were SEK 2.70 (3.50). · Key operating ratios for continuing operations, excluding restructuring costs and impairment losses: First quarter: Operating profit SEK 398 M (473) Profit before tax SEK 336 M (389) Net profit SEK 245 M (285) Earnings per share SEK 2.70 (3.25) · A new five-year syndicated loan of approximately SEK 10.9 billion was raised, improving the maturity structure and reducing financing costs. The financing agreement replaces an earlier USD 600 M loan from June 2002 and a EUR 540 M loan from October 2003. · Complementary acquisitions within tunnel seals, marine fender systems and distribution of special seals. Invitation to telephone conference, April 26 at 16:45 CET A telephone conference will be held on April 26 at 16:45 CET. Call +44 20 71 62 01 86 and state the password “Trelleborg.” Presentation materials will available at www.trelleborg.com from about half an hour prior to the commencement of the conference. The conference will be recorded and will be available for five days following the conference on tel. +44 207-031 40 64, code 656007. Contacts Bo Jacobsson, Chief Financial Officer Phone: +46 410-670 99, Mobile: +46 70-685 65 60, e-mail: bo.jacobsson@trelleborg.com Mikael Byström, Senior Vice President, Corporate Communications Phone: +46 410-670 37, Mobile: +46 708-55 21 69, e-mail: mikael.bystrom@trelleborg.com Viktoria Bergman, Vice President, Corporate Communications Phone: +46 410-670 94, Mobile: +46 708-47 57 33, e-mail: viktoria.bergman@trelleborg.com