Compugen Ltd.

Report Publication Announcement • May 3, 2021

Compugen to Release First Quarter 2021 Results on Thursday, May 13, 2021

HOLON, ISRAEL, May 3, 2021 –– Compugen Ltd. (Nasdaq: CGEN), a clinical-stage cancer immunotherapy company and a leader in predictive target discovery, announced today that the Company will release its first quarter 2021 financial results on Thursday, May 13, 2021 before the U.S. financial markets open. Management will host a conference call and webcast to review the results and provide a corporate update at 8:30 AM ET.

To access the live conference call by telephone, please dial 1-866-744-5399 from the U.S., or +972-3-918-0644 internationally. The call will also be available via live webcast through Compugen's website, located at the following link. Following the live audio webcast, a replay will be available on the Company's website.

About Compugen

Compugen is a clinical-stage therapeutic discovery and development company utilizing its broadly applicable, predictive computational discovery platforms to identify novel drug targets and develop therapeutics in the field of cancer immunotherapy. Compugen's lead product candidate, COM701, a first-in-class anti-PVRIG antibody, for the treatment of solid tumors, is undergoing a Phase 1 clinical study. In addition, COM902, Compugen's antibody targeting TIGIT, is in a Phase 1 clinical study. Compugen's therapeutic pipeline also includes early stage immuno-oncology programs focused largely on myeloid targets. Compugen is headquartered in Israel, with offices in South San Francisco, CA. Compugen's shares are listed on Nasdaq and the Tel Aviv Stock Exchange under the ticker symbol CGEN. For additional information, please visit Compugen's corporate website at www.cgen.com.

Investor Relations contact:

John Mullaly Managing Director LifeSci Advisors, LLC Email: jmullaly@lifesciadvisors.com Tel: +1 (617) 429-3548