* Virginia Gov. Mark R. Warner (D), a former technology venture capitalist, webcast his State of the Commonwealth speech yesterday. An archived version will be available at www.governor.state.va.us. TVWorldwide.com, a Chantilly company that provides streaming-media services, also plans to archive the speech at www.tvworldwide.com.

* Neometrix, a Reston e-commerce and security company, said it acquired Kinetic Group, a Detroit biometric security company. Full financial terms of the stock deal were not released. Neometrix was formerly called InsiderStreet.com and provided financial information, but it filed to change its name in October to reflect its new focus. George A. Filippides, chief executive of Neometrix, said Kinetic's four employees will be kept and the firm will maintain an office in Detroit. Kinetic makes fingerprint scanners to secure computers.

* XM Satellite Radio of the District said it added 145,000 subscribers in the fourth quarter and now has more than 360,000. Hugh Panero, the satellite radio firm's chief executive, said the company expects to have more than 1 million subscribers by the end of 2003. Shares of XM closed up 17 cents yesterday, at $3.01.

* Panacea Pharmaceuticals, a Gaithersburg biotechnology firm, said it extended a research agreement with Rhode Island Hospital and Brown University. The extension allows the organizations to develop technology based on an enzyme called human aspartyl beta-hydroxylase for three more years. Panacea has exclusive commercialization rights to any therapies or diagnostic tests resulting from the collaboration.

Compiled from reports by Washington Post staff writers, washingtonpost.com and Dow Jones News Service