To: Tassi who wrote (57576 ) 1/12/2001 1:02:05 PM From: Tassi Respond to of 436258 NATURAL MICROSYSTEMS SCHEDULES FOURTH QUARTER EARNINGS RELEASE AND CONFERENCE CALL BUSINESS/TECHNOLOGY EDITORS FRAMINGHAM, MASS.--(BUSINESS WIRE)--JAN. 12, 2001--NATURAL MICROSYSTEMS (NASDAQ: NMSS) -------------------------------------------------------------------------------- FRAMINGHAM, Mass.--(BUSINESS WIRE)--Jan. 12, 2001--Natural MicroSystems (Nasdaq: NMSS.O) will announce results for the quarter ended December 31, 2000 after the market closes on Wednesday, January 17, 2001. Following the release, Natural MicroSystems' management will host a conference call at 5:30 p.m. ET to discuss the Company's quarterly results. The conference call will be available live via the Internet by accessing the NMS web site at www.nmss.com under the Investor Relations section. Please go to the web site at least fifteen minutes prior to the call to register, download and install any necessary audio software. For those who cannot access the live broadcast, a replay will be available on the website at www.viant.com or by calling 719-457-0820 and entering "683239" any time from 2 hours after the end of the call until the end of the day on Friday, January 19, 2001. About Natural MicroSystems Natural MicroSystems (NASDAQ: NMSS.O) is the technology leader making it possible for the world's top networking and communication equipment suppliers to create and accelerate communications infrastructure and services. The company designs, develops and supplies network-quality hardware and software components and provides design and customization services that are enabling a new era of communications. Deployed in 65 countries, NMS' products and technologies are at the foundation of today's high-value communications systems, including network-based enhanced service platforms, media and access gateways, media servers, voice portals, web-enabled call centers, unified messaging platforms and wireless networks. NMS has a long history of technology innovations that advance the rapid growth of the communications industry worldwide, including breakthroughs such as the first complete open IP gateway, the first complete open packet media server and leadership in bringing open, scalable CompactPCI to the telecommunications industry. More information aboutNMS is available at nmss.com Natural MicroSystems is a trademark of Natural MicroSystems Corporation. --30--jb/bos* CONTACT: Natural MicroSystems Lynn Ricci 508-271-1204 lynn_ricci@nmss.com KEYWORD: MASSACHUSETTS INDUSTRY KEYWORD: COMPUTERS/ELECTRONICS E-COMMERCE HARDWARE INTERNET NETWORKING CONFERENCE CALLS Today's News On The Net - Business Wire's full file on the Internet with Hyperlinks to your home page. URL: businesswire.com Copyright 2001, Business Wire