X0203 3 2009-02-10 0 0001002531 TOLLGRADE COMMUNICATIONS INC \PA\ TLGD 0001260085 CHANDLER SCOTT C 7903 S FRANKLIN COURT LITTLETON CO 80122 0 0 0 1 See Explanation of Responses Common Stock, par value $0.20 0 D The Reporting Person is a member of a Section 13(d) group with respect to the securities of the Issuer that beneficially owns in excess of 10% of the Issuer's outstanding shares of Common Stock. The Reporting Person disclaims beneficial ownership of the securities beneficially owned by the other members of the group except to the extent of his pecuniary interest therein. By: /s/ Scott C. Chandler 2009-06-24