EXHIBIT 1 JOINT FILING AGREEMENTJoint Filing Agreement • May 26th, 2000 • THL Cci Investors Lp • Services-telephone interconnect systems
In accordance with Rule 13d-1(f) promulgated under the Securities Exchange Act of 1934, as amended, the undersigned hereby agree to the joint filing with all other Reporting Persons listed below on behalf of each of them of a Statement on Schedule 13D (including any amendments thereto) with respect to the common stock, par value $0.01 per share, of CTC Communications Group, Inc., a Delaware corporation. The undersigned further consent and agree to the inclusion of this Agreement as an Exhibit to such Schedule 13D. This Agreement may be executed in any number of counterparts, all of which taken together shall constitute one and the same instrument.
EXHIBIT 3 AMENDMENT NO. 1 TO THE SERIES B PREFERRED STOCK PURCHASE AGREEMENT AND ASSIGNMENT AND ASSUMPTION This Amendment No. 1 to the Series B Preferred Stock Purchase Agreement and Assignment and Assumption is made as of April 12, 2000 by and among...Series B Preferred Stock Purchase Agreement • May 26th, 2000 • THL Cci Investors Lp • Services-telephone interconnect systems
