EXHIBIT 99.1 Company Press Release For Immediate Release - --------------------- Contact: For St. John Knits: For Vestar Capital Partners Roger G. Ruppert Gene Donati or Kara Fitzsimmons (949) 863-1171 Clark & Weinstock or (212) 953-2550 Michael Freitag/Jason Lynch Kekst and Company (212) 521-4800 FOURTH EXTENSION OF EXPIRATION DATE FOR OFFER FOR ST. JOHN KNITS IRVINE, Calif., (January 31, 1999) - St. John Knits, Inc. (NYSE:SJK) announced today that the Company received from Company founder, Chairman and Chief Executive Officer Bob Gray and Vestar Capital Partners an extension of the expiration date of the proposal by Bob Gray, his family and Vestar Capital Partners to acquire the Company's outstanding shares not owned by the Gray family. The offer was set to expire on February 1, 1999 and has been extended through February 2, 1999. St. John Knits designs, manufactures, and markets women's clothing and accessories. The Company's products are sold under the St. John, Griffith & Gray and Marie Gray trade names. St. John's retail division operates 17 boutiques and nine outlet stores.