Royal Precision, CARBO Ceramics, Mcglen Internet Group, Three-five Systems, and Electronics for Imaging Conference Calls to be Broadcast On Investor Broadcast Network Over the Internet

Business Wire, April 7, 2000

Business Editors/Hi-Tech Writers

PHILADELPHIA--(BUSINESS WIRE)--April 7, 2000

Royal Precision, Inc. (NASDAQ: RIFL), CARBO Ceramics Inc. (NASDAQ: CRBO), Mcglen Internet Group (NASDAQ: MIGS), Three-Five Systems, Inc. (NYSE: TFS), and Electronics For Imaging, Inc. (NASDAQ: EFII) will broadcast their investor communication conference calls over the Internet, Investor Broadcast Network (f/k/a Vcall) announced.

Royal Precision, Inc. will broadcast its Fiscal 2000 Q3 Financial Results conference call on Tuesday, April 11, 2000 at 4:30 PM EDT. This call can be accessed at http://www2.vcall.com/NASApp/VCall/EventPage?ID=11508.

CARBO Ceramics Inc. will broadcast its quarterly earnings conference call on Tuesday, April 11, 2000 at 4:00 PM EDT. This call can be accessed at http://www2.vcall.com/NASApp/VCall/EventPage?ID=11628.

Mcglen Internet Group will broadcast its quarterly earnings conference call on Tuesday, April 11, 2000 at 11:00 AM EDT. This call can be accessed at http://www2.vcall.com/NASApp/VCall/EventPage?ID=11727.

Three-Five Systems, Inc. will broadcast its quarterly earnings conference call on Wednesday, April 12, 2000 at 5:00 PM EDT. This call can be accessed at http://www2.vcall.com/NASApp/VCall/EventPage?ID=11627.

Electronics For Imaging, Inc. will broadcast its quarterly earnings conference call on Wednesday, April 12, 2000 at 5:00 PM EDT. This call can be accessed at http://www2.vcall.com/NASApp/VCall/EventPage?ID=7428.

These events are available through Investor Broadcast Network's Vcall website, located at http://www.vcall.com. Listeners should go to the website at least fifteen minutes before these events to register, download, and install any necessary audio software. For those unable to attend the live broadcast, a replay will be available beginning approximately one hour after the event.

There is no charge to access any event.

About Investor Broadcast Network

Investor Broadcast Network, founded as Vcall in 1997, is the leading webcaster of investor events covering over 1200 public companies. The Company provides compelling investor content direct from companies and experts to more than 450,000 registered users through its Vcall, RadioWallStreet and Investor Conference broadcast services.

Vcall gives investors a front-row seat at corporate investor relations conference calls from more than 600 public companies. Vcall webcasts include earnings releases, shareholder meetings, and financial community presentations.

For more information on Investor Broadcast Network visit www.investorbroadcast.com