Phillipsburg, New Jersey – Mallinckrodt Baker, a business unit of Covidien (NYSE: COV), a leading global provider of healthcare products, has released its new global laboratory chemicals catalog in print, online and CD-ROM formats.

For the first time, the new catalog combines both J.T.Baker® and Mallinckrodt® brand chemicals, giving customers access to all of Mallinckrodt Baker’s laboratory chemical products in a single, easy-to-use

resource. The catalog can be found online at www.mbigloballabcatalog.com.

Designed for chemists across a broad range of industries and applications including research, quality control, biotechnology, pharmaceuticals, academic, food and environmental testing, the new catalog covers a wide variety of products. Content is organized by analytical method and by

industry/application, making products easy to find.

The Mallinckrodt Baker catalog features more than 8,000 high-quality products including reagent chemicals, biological buffers, high purity solvents, acids, sugars and salts. These products support all major chemical areas including analytical and process chromatography, spectrophotometry/element analysis, purification, histopathology and environmental testing.

In addition, the catalog showcases a number of Mallinckrodt Baker’s specially developed, high-quality chemical products. Key items listed include ULTRA LC/MST solvents, BAKERBONDT Speedisk HPLC extraction disks, ULTRA-RESI ANALYZEDT gas chromatography solvents and ULTREX TII trace metal

acids. The catalog also features Mallinckrodt Baker’s multiple grades of standard and high-performance acetonitrile.

The catalog lists information about Mallinckrodt Baker’s “ASK MBI” online customer support portal. “ASK MBI” is a quick and convenient way to obtain technical support and answers to frequently asked questions as well as conduct a live chat with our experts. Available by request in hard copy and CD-ROM formats, the catalog can also be viewed and downloaded for free at

www.mbigloballabcatalog.com for customers worldwide.

For more information about Mallinckrodt Baker visit www.mallbaker.com.

ABOUT MALLINCKRODT BAKER

Mallinckrodt Baker is a manufacturer of high purity chemicals and related products and services sold under two well-known and respected brand names – J.T.Baker® and Mallinckrodt® Laboratory Chemicals. These products are widely used in research and quality control laboratories, microelectronics, environmental testing laboratories and universities, and for manufacturing

in the pharmaceutical, biotechnology, and other industrial markets. Based in Phillipsburg, New Jersey, Mallinckrodt Baker is part of Covidien.

ABOUT COVIDIEN

Covidien is a leading global healthcare products company that creates innovative medical solutions for better patient outcomes and delivers value through clinical leadership and excellence. Covidien manufactures, distributes and services a diverse range of industry-leading product lines

in three segments: Medical Devices, Pharmaceuticals and Medical Supplies. With 2009 revenue of $10.7 billion, Covidien has 42,000 employees worldwide in more than 60 countries, and its products are sold in over 140 countries. Please visit www.covidien.com to learn more about our business.