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Date Title
Sep 17, 2015
Sep 17, 2015
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Investor and Media Contact

David Erdman

Director — Investor Relations
Independent Auditors

Ernst & Young LLP

425 Houston Street, Suite 600
Fort Worth, Texas 76102
Registrar and Transfer Agent


P.O. BOX 30170
College Station, TX 77842-3170

Overnight correspondence

211 Quality Circle, Suite 210
College Station, TX 77845

Shareholder website

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