ViewCast.com�s second quarter ended on June 30, 2000. The company will release its results on Thursday, July 27, 2000 at the close of market.

You are invited to participate in the quarterly management conference call. Please join ViewCast.com�s management team in a discussion of the quarter, the general business outlook and trends going forward.

To participate in the conference call, dial in 10 minutes before the call begins.

4:00 p.m. Eastern Earnings released

5:00 p.m. Eastern Conference call 212-676-5226

Reservation # 15778215

If you cannot participate in the call, a playback will be available beginning Thursday, July 27, 2000 from 7:00 p.m. ET until Friday, July 28, 2000 at midnight and then again on Monday, July 31, 2000 from 8:00 a.m. EST until Tuesday, August 1, 2000 at midnight.

Postview Line 800-633-8284 Res. # 15778215

International 858-812-6440

Investors can listen to the conference call over the Internet through Vcall at www.vcall.com. To listen to the live call, please go to the Web site at least fifteen minutes early to register, download and install any necessary audio software. For those who cannot listen to the live broadcast, a replay will be available shortly after the call.

For more information about ViewCast.com, please call Cathy Grittner at 972-239-5119. To be removed from this fax list, please fax your request in writing to 972-239-2292 or email [email protected].