MorphoSys AG (Frankfurt Stock Exchange: MOR; Prime Standard Segment) announced today that the company has been notified by the Deutsche Börse AG of its admission to the TecDAX index as from September 20, 2004. The TecDAX tracks the performance of the 30 largest technology companies of the Prime Standard listed at the Frankfurt Stock Exchange as measured by trading volume and market capitalization.

About MorphoSys:
MorphoSys develops and applies innovative technologies for the production of synthetic antibodies, which accelerate drug discovery and target characterization. Founded in 1992, the Company's proprietary Human Combinatorial Antibody Library (HuCALâ) technology is used by researchers worldwide for human antibody generation. The Company currently has licensing and research collaborations with Bayer (Berkeley, California/USA), Biogen Idec Inc. (Cambridge, Massachusetts/USA), Boehringer Ingelheim (Ingelheim, Germany), Bristol-Myers Squibb (Wilmington, Delaware/USA), Centocor Inc. (Malvern, Pennsylvania/USA), GPC Biotech AG (Munich/Germany), Hoffmann-La Roche AG (Basel/Switzerland), ImmunoGen Inc. (Cambridge, Massachusetts/USA), Novartis AG (Basel/Switzerland), Novoplant GmbH (Gatersleben/Germany), Oridis Biomed GmbH (Graz/Austria), Pfizer Inc. (Delaware/USA), ProChon Biotech Ltd. (Rehovot/Israel), Schering AG (Berlin/Germany) and Xoma Ltd. (Berkeley, California/USA). For further information please visit the corporate website at: http://www.morphosys.com/

Statements included in this press release which are not historical in nature are intended to be, and are hereby identified as, 'forward-looking statements' for purposes of the safe harbour provided by Section 21E of the Securities Exchange Act of 1934, as amended by the Private Securities Litigation Reform Act of 1995. Forward-looking statements may be identified by words including 'anticipates', 'believes', 'intends', 'estimates', 'expects' and similar expressions. The company cautions readers that forward-looking statements, including without limitation those relating to the company's future operations and business prospects, are subject to certain risks and uncertainties that could cause actual results to differ materially from those indicated in the forward-looking statements. Factors that may affect future operations and business prospects include, but are not limited to, clinical and scientific results and developments concerning corporate collaborations and the company's proprietary rights and other factors described in the prospectus relating to the company's recent public offering.

For more information, please contact MorphoSys:
Dr. Claudia Gutjahr-Löser, Director Corporate Communications, Tel. +49 (0)89 89927 122, gutjahr@morphosys.com / Mario Brkulj, PR Specialist, Tel. +49 (0)89 89927 454, brkulj@morphosys.com