1. Shares owned by spouse who shares Mr. Ditmore's household. Mr. Ditmore disclaims beneficial ownership of the shares held by his spouse, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of all of the reported shares for purposes of Section 16 or for any other purpose.

2. Ownership includes 3,300 shares of restricted stock units subject to vesting requirements.

3. Owned by the Ditmore Family Management Company LLC, of which Mr. Ditmore is a chief manager. Mr. Ditmore disclaims beneficial ownership except to the extent of his pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of all of the reported shares for purposes of Section 16 or for any other purpose.

4. Owned by the Ditmore 2002 Charitable Remainder Trust, of which Mr. Ditmore is a co-trustee.