CII VENTURES II LLC By: KKR 1996 Fund L.P. By: KKR Associates 1996 L.P., its General Partner By: KKR 1996 GP LLC, its General PartnerJoint Filing Agreement • October 27th, 2000 • KKR 1996 Fund L P • Services-computer processing & data preparation
Exhibit 12 AMENDMENT AND JOINDER TO STOCKHOLDERS AGREEMENT THIS AMENDMENT AND JOINDER TO STOCKHOLDERS AGREEMENT (this "AMENDMENT") is made and entered into as of October 25, 2000 by CAIS INTERNET, INC., a Delaware corporation (the "COMPANY"), CII...Stockholders Agreement • October 27th, 2000 • KKR 1996 Fund L P • Services-computer processing & data preparation • New York
Exhibit 9 CREDIT AGREEMENTCredit Agreement • October 27th, 2000 • KKR 1996 Fund L P • Services-computer processing & data preparation • New York
Exhibit 10 WARRANT AGREEMENT Dated as of October 25, 2000Warrant Agreement • October 27th, 2000 • KKR 1996 Fund L P • Services-computer processing & data preparation • Delaware
AGREEMENTAgreement • October 27th, 2000 • KKR 1996 Fund L P • Services-computer processing & data preparation
