AMENDMENT THIS AMENDMENT, dated as of January 10, 2002 and effective as of December 13, 2001 (the "Amendment") is entered into between TOLLGRADE COMMUNICATIONS, INC. ("Tollgrade") and CHRISTIAN L. ALLISON (the "Executive"). AMENDMENT TO AGREEMENT...Employment Agreement • March 22nd, 2002 • Tollgrade Communications Inc \Pa\ • Services-telephone interconnect systems
AGREEMENTExecutive Compensation Agreement • March 22nd, 2002 • Tollgrade Communications Inc \Pa\ • Services-telephone interconnect systems • Pennsylvania
