Take a Peek at the Undercover World of Parasites

Launch of Online Video Tour Showcases the Fascinating World of Parasites

MONHEIM, Germany, May 25, 2010 - Who said that learning about bugs was boring? An amazing new journey
through the wonderful world of parasites launches on YouTube today. Four
exciting videos, inspired by the 'Parasites Life Undercover' exhibition at
the Berlin Natural History Museum and developed by Bayer Animal Health,
showcase some fascinating highlights from the exhibition and provide useful
information about protecting your pets.

Join celebrity vet, Scott Miller, as he discusses all kinds of parasites
including fleas, mosquitoes and even vampire bats, and watch as he shows us
how they can harm our pets and what we should do to protect against them.
Scott says, "As a vet I would strongly recommend that owners understand how
their pets can be affected by parasites and these videos provide a great way
to learn about these unwelcome pests." Scott also highlights the impact that
urbanisation and climate change have had on the prevalence of parasites.

Whether you have a cat or a dog or you're simply interested to learn more
about parasites, visit www.youtube.com/user/parasitesundercover1 to
view the online video tour.

Margaret Fairhurst, Head of Global Marketing at Bayer Animal Health,
says, "The launch of these videos provides a wonderful opportunity to learn
more about parasites in a fun and entertaining way. We hope, however, that
viewers will also learn more about the inherent dangers some of these
creatures pose to our beloved pets and the steps owners can take to protect
their pets from them."

These engaging and educational videos reflect Bayer's continued
commitment to the health and wellbeing of animals. With 100 years actively
working in the field of parasite control, Bayer is well positioned to provide
this fascinating insight into the parasite world. In addition to the
introduction of spot-on techniques for the treatment of parasites, the
company has also developed state-of-the-art combination products that
simultaneously combat both external parasites such as fleas and ticks and
internal pests such as worms.

About Bayer HealthCare

Bayer HealthCare, a subsidiary of Bayer AG, is one of the world's
leading, innovative companies in the healthcare and medical products industry
and is based in Leverkusen, Germany. The company combines the global
activities of the Animal Health, Bayer Schering Pharma, Consumer Care and
Medical Care divisions. Bayer HealthCare's aim is to discover and manufacture
products that will improve human and animal health worldwide. Find more
information at www.bayerhealthcare.com.

With a turnover of EUR963 million (2008) Bayer HealthCare's Animal Health
Division is one of the world's leading manufacturers of veterinary drugs. The
division manufactures and markets more than 100 different veterinary drugs
and care products for livestock and companion animals.

Forward-Looking Statements

This news release contains forward-looking statements based on current
assumptions and forecasts made by Bayer Group management. Various known and
unknown risks, uncertainties and other factors could lead to material
differences between the actual future results, financial situation,
development or performance of the company and the estimates given here. These
factors include those discussed in our annual and interim reports to the
Frankfurt Stock Exchange and in our reports filed with the U.S. Securities
and Exchange Commission (including our Form 20-F). The company assumes no
liability whatsoever to update these forward-looking statements or to confirm
them to future events or developments.

    Contact:
    Kathrin Statz
    +49-2173-38-4019
    kathrin.statz@bayerhealthcare.com

Contact: Kathrin Statz, +49-2173-38-4019, kathrin.statz at bayerhealthcare.com