TELIK INITIATES TELCYTA™ TRIAL IN FRONT-LINE TREATMENT OF NON-SMALL CELL LUNG CANCER

Palo Alto, CA - March 9, 2004 — Telik, Inc. (Nasdaq: TELK) announced the initiation of a multicenter Phase 1-2a clinical trial in which TELCYTA™ (TLK286) will be evaluated in combination with platinum in the front-line treatment of Stage IIIb or IV non-small cell lung cancer (NSCLC). The trial is expected to enroll approximately 50 NSCLC patients who have not previously received chemotherapy. Platinum is the current mainstay of front-line metastatic lung cancer treatment.

The trial is based upon the clinical results reported at the AACR-NCI-EORTC meeting in November 2003 in which TELCYTA demonstrated the ability to contribute to platinum-based chemotherapy without unanticipated toxicities.

About Non-Small Cell Lung Cancer

Lung cancer is the leading cause of cancer deaths in men and women in the United States, according to the American Cancer Society (ACS). The ACS estimates that more than 173,000 new cases of lung cancer will be diagnosed in 2004 and an estimated 160,400 deaths will result from the disease, representing approximately 28% of all cancer deaths in the U.S.

About TELCYTA™ and TELCYTA™ Clinical Trials

A Phase 3 registration trial is ongoing using TELCYTA™ as a single agent in the treatment of ovarian cancer, and a Phase 3 registration trial is expected to begin in the near future in the treatment of NSCLC. Click here for further information on TELCYTA™ trials.

TELCYTA™ is a small molecule tumor-activated drug which is activated by an enzyme present in higher levels in many human cancers than in normal tissues. Upon activation, an intracellular process known as apoptosis, or programmed cell death, is initiated. TELCYTA™, which has been evaluated in clinical trials in ovarian, NSCLC, breast and colorectal cancer, was discovered through the application of Telik’s proprietary drug discovery technology, TRAP.

About Telik

Telik, Inc. of Palo Alto, CA is a biopharmaceutical company working to discover, develop and commercialize innovative small molecule drugs to treat serious diseases. The company’s most advanced drug development candidate is TELCYTA™ (TLK286), a tumor-activated small molecule product candidate that is in a Phase 3 registration trial in advanced ovarian cancer and in Phase 2 clinical trials in ovarian, non-small cell lung and breast cancer. Telik’s product candidates were discovered using its proprietary drug discovery technology, TRAP, which enables the rapid and efficient discovery of small molecule drug candidates. Additional information is available at www.telik.com.

This press release contains “forward-looking” statements. For this purpose, any statements contained in this press release that are not statements of historical fact may be deemed to be forward-looking statements, including any statements regarding the potential for TELCYTA™ (TLK286) or TELINTRA™ (TLK199) to treat one or more types of cancer. There are a number of important factors that could cause Telik's results to differ materially from those indicated by these forward-looking statements, including, among others, the following: none of Telik’s product candidates, including TELCYTA™, has been determined to be safe or effective in humans or received regulatory approval for marketing; it may take us several years to complete clinical trials of our product candidates, including TELCYTA™, prior to seeking regulatory approval for any indication; success in preclinical testing and early clinical trials does not ensure that later clinical trials will be successful, and interim results of clinical trials do not necessarily predict final results; if our competitors develop and market products that are more effective than our product candidates, or obtain regulatory approval before we do, our commercial opportunity will be reduced or eliminated; if we do not obtain regulatory approval to market products in the United States and foreign countries, we will not be permitted to commercialize our product candidates; if we are unable to contract with third parties to manufacture our product candidates in sufficient quantities and at an acceptable cost, clinical development of product candidates could be delayed; and if we are unable to raise adequate funds in the future, we will not be able to continue to fund our operations and clinical trials to develop our product candidates. These and other risks are detailed from time to time in our SEC reports, including our Annual Report on Form 10-K for the year ended December 31, 2003. Telik does not undertake any obligation to update forward-looking statements.

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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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