Adaptive Broadband Declares 2-for-1 Stock Split; Shareholders Approve Increase in Authorized Shares to 250 Million.

Business Editors/High-Tech Writers

SUNNYVALE, Calif.--(BUSINESS WIRE)--March 13, 2000

Adaptive Broadband(TM) Corporation (Nasdaq:ADAP) announced today that its Board of Directors approved a 2-for-1 stock split of its common shares in the form of a 1-for-1 stock dividend.

The record date of this stock dividend is March 23, 2000; stockholders will receive one additional share for each share held on that date. The additional shares resulting from the dividend are expected to be distributed by the company's transfer agent, Boston Equiserve, on or about March 30, 2000. The stock dividend will increase the total shares outstanding of common stock from approximately 17.4 million to 34.8 million.

"We are gratified that the investment community is recognizing, by virtue of our increase in market cap, the huge potential for the fixed wireless broadband market. Specifically, we believe the success of our AB-Access(TM) product is beginning to be reflected in our share price. By lowering the price of our shares, we expect to increase our liquidity and broaden the marketability of our stock," commented Frederick D. Lawrence, chairman and chief executive officer. Adaptive Broadband's 52-week share price has ranged from a low of $9.25 to a high of $209.75.

250 Million Shares Authorized 

Additionally, at a special meeting held March 13, 2000, Adaptive Broadband's shareholders approved an increase in authorized shares from 30 million to 250 million. These additional shares may be used in the future, for example, to: declare stock splits, raise additional capital, provide equity incentives to employees, officers or directors, establish strategic relationships with other companies and expand the company's business or product lines through the acquisition of other businesses or products.

About Adaptive Broadband

Adaptive Broadband (www.adaptivebroadband.com) is a data networking solutions company that is developing leading-edge technology for the deployment of broadband wireless communication over the Internet. Its AB-Access product is a leading commercial choice for fixed broadband wireless communication.

The foregoing includes forward-looking statements, such as the anticipated growth of fixed wireless broadband markets, that involve risks and uncertainties. Actual events or results may differ materially from those suggested by the forward-looking statement. Factors that could cause actual events or results to differ materially include, but are not limited to, fluctuations in quarterly results, delays in receipt of orders or in the shipment of products, delays in the development of telecommunications and Internet markets and delays in product enhancements. For a more detailed discussion of these and other factors, see "Risk Factors" contained in Adaptive Broadband's Annual Report on Form 10-K for the fiscal year ended June 30, 1999.