Greylock Equity LP Watch

from SC 13G 1 page <page> 1 Exhibit 1 Agreement Pursuant to Rule 13(d)-1(f)(1) Under the Securities Exchange Act of 1934, as Amended, the Undersigned Hereby Agree That Only One Statement Containing the Information Required by Schedule 13g Need Be Filed With Respect to the Ownership by Each of the Undersigned of the Shares of Common Stock of Raptor Systems, Inc. Executed as a Sealed Instrument This 12th Day of February, 1997. Greylock Equity Limited Partnership By: Greylock Equity GP Limited Partnership General Partner By: /S/ Henry F. McCance Henry F. McCance Managing General Partner Greylock Equity GP Limited Partnership By: /S/ Henry F. McCance Henry F. McCance Managing General Partner /S/ Henry F. McCance Henry F. McCance Page 9 of 9 Pages

from SC 13G 1 page <page> 1 Exhibit 1 Agreement Pursuant to Rule 13d-1(f)(1) Under the Securities Exchange Act of 1934, as Amended, the Undersigned Hereby Agree That Only One Statement Containing the Information Required by Schedule 13g Need Be Filed With Respect to the Ownership by Each of the Undersigned of the Shares of Common Stock of the Vincam Group, Inc. Executed as a Sealed Instrument This 12th Day of February, 1997. Greylock Limited Partnership By: Greylock Equity GP Limited Partnership General Partner By: /S/ Henry F. McCance Henry F. McCance Managing General Partner Greylock Equity GP Limited Partnership By: /S/ Henry F. McCance Henry F. McCance Managing General Partner /S/ Henry F. McCance Henry F. McCance Page 9 of 9 Pages

from SC 13G/A 1 page <page> 1 Exhibit 1 Agreement Pursuant to Rule 13d-1(f)(1) Under the Securities Exchange Act of 1934, as Amended, the Undersigned Hereby Agree That Only One Statement Containing the Information Required by Schedule 13g Need Be Filed With Respect to the Ownership by Each of the Undersigned of the Shares of Common Stock of Amisys Managed Care Systems, Inc. Executed as a Sealed Instrument This 12th Day of February, 1997. Greylock Limited Partnership By: Greylock Equity GP Limited Partnership General Partner By: /S/ Henry F. McCance Henry F. McCance Managing General Partner Greylock Equity GP Limited Partnership By: /S/ Henry F. McCance Henry F. McCance Managing General Partner /S/ Henry F. McCance Henry F. McCance Page 9 of 9

from SC 13G 1 page <page> 1 Exhibit 1 Agreement Pursuant to Rule 13d-1(f)(1) Under the Securities Exchange Act of 1934, as Amended, the Undersigned Hereby Agree That Only One Statement Containing the Information Required by Schedule 13g Need Be Filed With Respect to the Ownership by Each of the Undersigned of the Shares of Common Stock of Open Market, Inc. Executed as a Sealed Instrument This 12th Day of February, 1997. Greylock Equity Limited Partnership By: Greylock Equity GP Limited Partnership General Partner By: /S/ Henry F. McCance Henry F. McCance Managing General Partner Greylock Equity GP Limited Partnership By: /S/ Henry F. McCance Henry F. McCance Managing General Partner /S/ Henry F. McCance Henry F. McCance Page 9 of 9 Pages