Ceradyne, Inc. to Announce 2003 Second-Quarter Results on July 24, 2003

    COSTA MESA, Calif.--July 11, 2003--Ceradyne, Inc. will release results for the second quarter ended June 30, 2003, on the morning of Thursday, July 24. The Company will also hold a teleconference to discuss the financial results and future plans and prospects.
    Any investor or interested individual can listen to the teleconference, which is scheduled to begin at 8 a.m. PDT (11 a.m. EDT) on July 24. To participate in the teleconference, please call toll-free 877-869-7690 (or 706-634-1478 for international callers) approximately 10 minutes prior to the above start time.
    You may also listen to the teleconference live via the Internet at www.ceradyne.com or www.companyboardroom.com. For those unable to attend, these websites will host an archive of the call.
    A telephone playback will be available for 48 hours beginning at 11 a.m. PDT on July 24. The playback can be accessed by calling 800-642-1687 (or 706-645-9291 for international callers) and providing Conference ID 1679048.
    Ceradyne develops, manufactures and markets advanced technical ceramic products and components for industrial, defense, consumer, microwave communications and automotive applications. Additional information about the Company can be found at www.ceradyne.com.

    The teleconference may contain forward-looking statements regarding future events and the future performance of Ceradyne that involve risks and uncertainties that could cause actual results to differ materially. These risks and uncertainties are described in the Company's Annual Report on Form 10-K for the fiscal year ended December 31, 2002, as filed with the Securities and Exchange Commission.