CoorsTek Sets March 18 as Date of Special Stockholders' Meeting to Consider Proposed Merger with Keystone.

Business Editors/High-Tech Writers

GOLDEN, Colo.--(BUSINESS WIRE)--Feb. 18, 2003

CoorsTek, Inc. (Nasdaq: CRTK) today announced that its board of directors has set a date of March 18, 2003, for its special meeting of stockholders to vote on CoorsTek's proposed merger with Keystone Acquisition Corp., a wholly owned subsidiary of Keystone Holdings LLC. Keystone Holdings is wholly owned by John K. Coors, CoorsTek's Chairman, President, and Chief Executive Officer, and certain other Coors family members and trusts established for the benefit of various Coors family members.

CoorsTek stockholders are being asked to vote on a merger in which Keystone Holdings would acquire the remaining 72.8 percent of CoorsTek common stock not currently owned by Keystone Holdings. If the merger is completed, CoorsTek stockholders, other than Keystone Holdings, will receive $26 for each share of CoorsTek common stock owned by them.

Only stockholders of record--those who owned shares at the close of business on February 7, 2003--will be eligible to vote at the meeting, which will begin at 10 a.m. (Mountain Time) on Tuesday, March 18, at The American Mountaineering Center, 710 Tenth Street, Golden, Colorado 80401.

CoorsTek further announced that it filed on February 12, 2003, a definitive proxy statement on Schedule 14A with the Securities and Exchange Commission relating to the matter to be voted on at the meeting, and that it commenced the mailing of the proxy statement to stockholders on February 13, 2003.

About CoorsTek

CoorsTek designs and manufactures components, integrated assemblies and automated systems for the semiconductor capital equipment market and other high technology applications. Using technical ceramics, precision-machined metals, high-performance plastics and ultra-pure fused quartz, CoorsTek's engineered solutions enable its customers' products to overcome technological barriers and improve performance. For additional information on CoorsTek, visit CoorsTek's website at www.coorstek.com. This press release is also available on the CoorsTek website: www.coorstek.com.

Important Legal Information

CoorsTek stockholders are strongly advised to read CoorsTek's proxy statement relating to the stockholder vote as it contains important information. Stockholders can obtain the proxy statement and other filed documents for free at the Internet web site maintained by the Securities and Exchange Commission at www.sec.gov. In addition, CoorsTek commenced the mailing of the proxy statement on February 13, 2003, to each stockholder of record on February 7, 2003, and will also make additional copies of the proxy statement available for free to CoorsTek's stockholders. Please direct your request for the proxy statement to CoorsTek, Inc., 16000 Table Mountain Parkway, Golden, Colorado 80403, telephone [phone], Attention: Investor Relations.