S1, Broken Hill Proprietary, Magic Software Enterprises, and Intermedia Communications Conference Calls to be Broadcast On Investor Broadcast Network Over the Internet

PHILADELPHIA - S1 Corporation (NASDAQ:SONE - news), The Broken Hill Proprietary Company Limited (NYSE:BHP - news), Magic Software Enterprises Ltd. (NASDAQ:MGIC - news), and Intermedia Communications Inc. (NASDAQ:ICIX - news) will broadcast their investor communication conference calls over the Internet, Investor Broadcast Network (f/k/a Vcall) announced.

S1 Corporation will broadcast its quarterly earnings conference call on Tuesday, May 2, 2000 at 5:00 PM EDT. This call can be accessed at http://www.vcall.com/NASApp/VCall/EventPage?ID=16087.

The Broken Hill Proprietary Company Limited will broadcast its quarterly earnings conference call on Thursday, May 4, 2000 at 9:30 AM EDT. This call can be accessed at http://www.vcall.com/NASApp/VCall/EventPage?ID=17958.

Magic Software Enterprises Ltd. will broadcast its quarterly earnings conference call on Thursday, May 4, 2000 at 11:00 AM EDT. This call can be accessed at http://www.vcall.com/NASApp/VCall/EventPage?ID=17959.

Intermedia Communications Inc. will broadcast its quarterly earnings conference call on Thursday, May 4, 2000 at 8:30 AM EDT. This call can be accessed at http://www.vcall.com/NASApp/VCall/EventPage?ID=19091.

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

Contact:
Investor Broadcast Network
Tim Ballas, 215/814-6524 (p)
3164-00 IBC