Highly Confidential Information and Documents

As specified in this Protective Order, only information and documents set forth in this Attachment, and that otherwise meet the definition of Highly Confidential Information or Highly Confidential Documents may be designated as Highly Confidential. This Attachment will be updated as necessary.

1. Annex F to the Stock Purchase Agreement by and between Deutsche Telekom AG and AT&T Inc., dated as of March 20, 2011 (the "Stock Purchase Agreement").

2. Schedule 3.2q to the Seller Disclosure Letter, as that term is defined in the Stock Purchase Agreement, to the extent it discloses customer data disaggregated by local markets.

3. Schedule 4.16 to the Seller Disclosure Letter, to the extent it describes future business plans.

4. Schedules 4.6(b)(i) and 4.6(b)(ii) to the Purchaser Disclosure Letter, as that term is defined in the Stock Purchase Agreement.

APPENDIX C, ATTACHMENT 2

Acknowledgment of Confidentiality

Investigation 11-06-009

I hereby acknowledge that I have received and read a copy of the foregoing Protective Order in the above-captioned proceeding, and I understand it. I agree that I am bound by the Protective Order and that I shall not disclose or use Stamped Confidential Documents, Confidential Information, Stamped Highly Confidential Documents, or Highly Confidential Information except as allowed by the Protective Order.

I acknowledge that a violation of the Protective Order is a violation of an order of the California Public Utilities Commission.

I certify that I am not involved in Competitive Decision-Making.

Without limiting the foregoing, to the extent that I have any employment, affiliation, or role with any person or entity other than a conventional private law firm (such as, but not limited to, a lobbying or advocacy organization), I acknowledge specifically that my access to any information obtained as a result of the Protective Order is due solely to my capacity as Counsel or Outside Consultant to a party or as a person described in paragraph 8 of the foregoing Protective Order and agree that I will not use such information in any other capacity.

I acknowledge that it is my obligation to ensure that Stamped Confidential Documents and Stamped Highly Confidential Documents are not duplicated except as specifically permitted by the terms of the Protective Order.

I certify that I have verified that there are in place procedures at my firm or office to prevent unauthorized disclosure of Stamped Confidential Documents, Confidential Information, Stamped Highly Confidential Documents, and Highly Confidential Information.

Capitalized terms used herein and not otherwise defined shall have the meanings ascribed to them in the Protective Order.

[Fill in and initial the following as appropriate]: I certify that I seek access to Confidential Information, Stamped Confidential Documents, Highly Confidential Information, and/or Stamped Highly Confidential Documents on behalf of the following party: __________________________

and in the following role:

____ In-house Counsel or Employee of the party identified above, or a person described in paragraph 8 of the Protective Order, seeking access to Stamped Confidential Documents and Confidential Information only.

____ Outside Counsel or Outside Consultant retained by the party identified above, or a person described in paragraph 8 of the Protective Order, seeking access to Stamped Confidential Documents, Confidential Information, Stamped Highly Confidential Documents, and Highly Confidential Information.

Executed this ___ day of _______________, 2011.

_________________________

[Name]

[Position and Company]

[Address]

[Telephone]

(END OF APPENDIX C)