Lonza Group Ltd. Prices CHF 300 Million 4-Year Straight Bond

Basel, 29 April 2009 – Lonza Swiss Finance Ltd, a wholly-owned company of Lonza Group Ltd, Basel (“Lonza”), announces the pricing of its 4-year CHF 300 million straight bond. The bonds have a coupon of 3.75%. The issuer is Lonza Swiss Finance Ltd, Basel, and the bonds will be guaranteed by Lonza. Lonza will apply for the listing of the bonds on the SIX Swiss Exchange.

Key data:

Issue size: CHF 300 million

Expected payment date: 27 May 2009

Maturity: 27 May 2013 (4 years)

Issue price: 100.25 percent

Redemption price: 100 percent

Coupon: 3.75 percent p.a.

Joint Lead Managers: Credit-Suisse and UBS Investment Bank

Out-of-order Co-Lead Managers: Zürcher Kantonalbank, Basler Kantonalbank

About Lonza

Lonza is one of the world’s leading suppliers to the pharmaceutical, healthcare and life science industries. Its products and services span its customers’ needs from research to final product manufacture. Lonza is the global leader in the production and support of active pharmaceutical ingredients both chemically as well as biotechnologically. Biopharmaceuticals are one of the key growth drivers of the pharmaceutical and biotechnology industries. Lonza has strong capabilities in large and small molecules, peptides, amino acids and niche bioproducts which play an important role in the development of novel medicines and healthcare products. Lonza is a leader in cell-based research, endotoxin detection and cell therapy manufacturing. Lonza is also a leading provider of value chemical and biotech ingredients to the nutrition, hygiene, preservation, agro and personal care markets.

Lonza is headquartered in Basel, Switzerland and is listed on the SWX Swiss Exchange. In 2008, Lonza had sales of CHF 2.937 billion. Further information can be found at www.lonza.com.

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