TELIK AND VANDERBILT-INGRAM CANCER CENTER SIGN AGREEMENT FOR CANCER DRUG DISCOVERY

South San Francisco, CA, February 12, 2003 — Telik, Inc. (Nasdaq: TELK) today announced that it has agreed to collaborate with the Vanderbilt-Ingram Cancer Center (Nashville, TN) to use the company's proprietary drug discovery technology, TRAP, to discover novel, pharmaceutically active small molecules for new cancer targets.

"My colleagues and I are pleased to work with Telik to accelerate cancer drug discovery," said Carlos Arteaga, M.D., Professor of Medicine and Cancer Biology and Director, Vanderbilt-Ingram Cancer Center Breast Cancer Research Program. Dr. Arteaga also served as Chairperson of the AACR-NCI-EORTC International Conference on Molecular Targets and Cancer Therapeutics. "TRAP technology enables the identification of active compounds by testing as few as 200 compounds rather than thousands required for alternative methods. This drug discovery technology may enable us to more rapidly find compounds active against novel targets that arise from our very strong cancer biology program here at Vanderbilt-Ingram, and thereby facilitate the translation of our basic research for the benefit of cancer patients."

Telik's TRAP collaborations exploit the unique efficiency of this proprietary technology and provides an important source for the company's cancer drug pipeline. Cancer institutions currently collaborating with Telik include the Arizona Cancer Center at the University of Arizona and Fox Chase Cancer Center.

TRAP enables the rapid and efficient discovery of small molecule product candidates by taking advantage of the fundamental principle that pharmaceutically active molecules work by interacting with a protein target. Telik measures the binding of a small molecule to a proprietary reference panel of proteins to create a profile for each compound. Company scientists have created a database of profiles for tens of thousands of compounds, and they use sophisticated computational tools to search the database and identify drug candidates more rapidly than with alternative technologies.

The Vanderbilt-Ingram Cancer Center is the only Comprehensive Cancer Center designated by the National Cancer Institute in Tennessee, and one of only 39 nationwide. This designation, the highest ranking awarded to cancer centers by the world's foremost authority on cancer, recognizes research excellence in cancer causes, development, treatment and prevention, as well as a demonstrated commitment to community education, information and outreach. To learn more, please visit www.vicc.org.

About Telik

Telik, Inc. of South San Francisco, CA is a biopharmaceutical company working to discover, develop and commercialize small molecule drugs to treat serious diseases for which there is significant demand for new therapies. The company's most advanced drug development candidate is TLK286, a tumor activated small molecule drug that is in Phase 2 clinical trials in ovarian, non-small cell lung, colorectal and breast cancer. Telik's product candidates were discovered using its proprietary technology, TRAP, which enables the rapid and efficient discovery of small molecule drug candidates. Additional information is available at www.telik.com.

You should not rely on forward-looking statements contained in this press release, including statements regarding the potential of the targets identified through this collaboration to treat cancer, the ability of our TRAP technology to generate additional drug candidates, or the potential for TLK286 in treating one or more types of cancer. Telik can give no assurance with regard to these statements. The drug targets and compounds selected under this collaboration will require significant additional research prior to any clinical development. The application of TRAP to additional new drug discovery may not yield additional product candidates. To date, TLK286 has been tested only in open-label uncontrolled clinical trials. Substantial additional testing, including randomized, controlled clinical trials, will be necessary prior to seeking regulatory approval to market TLK286, and there can be no assurance that such trials will be initiated, have a successful outcome, or that regulatory approval of TLK286 will be obtained. Telik is reliant on external manufacturing of TLK286. More detailed information regarding factors that may cause actual results to differ materially from the results expressed or implied by statements in this press release may be found in Telik's periodic filings with the Securities and Exchange Commission. Telik assumes no obligation to update any information in this press release.

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Contact:
Carol DeGuzman
Senior Director, Corporate Communications
Telik, Inc.
Tel 650-845-7728
Email cdeguzman@telik.com


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