1 [JENNER BIOTHERAPIES, INC. LETTERHEAD] March 30, 1998 Securities and Exchange Commission 450 Fifth Street, N.W. Washington, D.C. 20549 Attention: Filing Desk, Mail Stop 1-4 Re: Jenner Technologies, Inc. Registration Statement on Form S-1 Ladies and Gentlemen: On behalf of Jenner Biotherapies, Inc., a Delaware corporation and successor to Jenner Technologies, Inc., a California corporation (the "Company"), we hereby withdraw the Company's Registration Statement on Form S-1 filed with the Commission on February 19, 1997 (SEC File Number 333-22039). Please contact Blair W. Stewart, Jr. at 650/493-9300 or myself at 925/824-3150 if you have any questions regarding the above. Very truly yours, JENNER BIOTHERAPIES, INC. /s/ Anthony E. Maida, III -------------------------------- Anthony E. Maida, III, MA, MBA cc: Blair W. Stewart, Jr., Esq. Raj Aji, Esq. Linda M. Cuny, Esq.