Communications concerning share transfer requirements, duplicate mailings, direct deposit of dividends, lost certificates or dividend checks, or change of address should be directed to the Company's transfer agent:

Regular Mail:
Computershare
Post Office Box 30170
College Station, TX 77842-3170

Overnight
Computershare
211 Quality Circle
College Station, TX 77845

Shareholder website:
www.computershare.com/investor

Shareholder online inquiries:
https://www-us.computershare.com/investor/Contact