Exhibit 99(c)(4) EXECUTION COPY COMMON STOCK PURCHASE AGREEMENT THIS COMMON STOCK PURCHASE AGREEMENT (the "Agreement") is made March 18, 1998 by and between John W. Staten, an individual residing in the State of Florida (the "Seller"), and Motorola,...Common Stock Purchase Agreement • March 25th, 1998 • Netspeak Corp • Services-computer integrated systems design • Delaware
AMENDED AND RESTATEDInvestor's Rights Agreement • March 25th, 1998 • Netspeak Corp • Services-computer integrated systems design • Delaware
b) Exceptions to Motorola Standstill. The provisions of Section 2(a) shall lapse and be of no further force and effect upon the occurrence of any of the following (each a "Purchase Designated Event"): (i) Netspeak reaches agreement with a third party...Standstill and Participation Rights Agreement • March 25th, 1998 • Netspeak Corp • Services-computer integrated systems design • Delaware
