Securities and Exchange Commission
Judiciary Plaza
450 Fifth Street, N.W.
Washington, DC 20549Re: ScanSource, Inc.
Gentlemen:
Pursuant to General Instruction 7 to Form 3 (Initial Statement of Beneficial Ownership),
Form 4 (Statement of Changes in Beneficial Ownership) and Form 5 (Annual Statement of
Changes in Beneficial Ownership) promulgated by the Securities and Exchange Commission
pursuant to Section 16 of the Securities Exchange Act of 1934, the undersigned director, officer
and/or shareholder of ScanSource, Inc. (the "Company") hereby authorizes and designates JohnJ. Ellsworth, J. Creighton Lynes, Stefania Bondurant, John S. Harvey, and Robert B. Murphy and
each of them, to execute and file with the Commission on his behalf any and all statements on
Form 3, Form 4 or Form 5 relating to his beneficial ownership of securities of the Company as
required by Section 16(a) of the Securities Exchange Act of 1934 and the rules of the
Commission promulgated thereunder. This authorization and designation shall be effective for
so long as the undersigned remains subject to the provisions of Section 16 of the Securities
Exchange Act of 1934.
Effective as of the 9th day of December, 2011./s/ Michael L. Baur