US. Department of Justice Federal Bureau of Investigation File No. Washington Field Office 601 Fourth Street NW Washington, DC 20535-0002 December 19, 2016 CloudFlare, Inc. Legal Department CloudFlare, Inc. 101 Townsend Street San Francisco, CA 9410? 650?319?8930 Dear CloudFlare, Inc. Legal Department: Pursuant to Title 18, United States Code (U.S.C.), Section 2709 (Section 201 of the Electronic Communications Privacy Act of 1986), the FBI issued a National Security Letter (NSL) to CloudFlare. The NSL included a nondisclosure requirement that prohibited you, any officer, employee, or agent of your company from disclosing the letter and that the FBI had sought or obtained access to information, other than to those to whom disclosure was necessary to comply with the letter or to an attorney to obtain legal advice or legal assistance with respect to the letter. Consistent with the requirements of the USA FREEDOM Act of 2015 and the Termination Procedures for NSL Nondisclosure Requirement, the FBI has reviewed whether to continue the nondisclosure requirement in the NSL and determined that nondisclosure is no longer necessary with respect to all information contained in the NSL except as set forth below. Accordingly, and consistent with law, you may exercise your discretion to disclose the following: The fact that you received the NSL on a Certain date; The customer account(s) for which information was sought; and Whether or not you provided responsive information to the FBI pursuant to the NSL. If you choose, you may disclose the NSL itself provided that doing so would be consistent with other legal obligations.you may have. However, consistent with the relevant statute, the FBI requests that the name and telephone number of the FBI Special Agent included on the NSL be redacted because disclosure may result in danger to the life or physical safety of a person. Please note that the name and telephone number of the FBI Special Agent might appear in two places on the NSL and should be redacted accordingly: . - In the paragraph discussing your right to challenge the NSL, in the sentence that reads, "That notice must be mailed or faxed to the FBI Washington Field Office Field Office, attention [redact name and telephone number], with a c0py to FBI HQ, attention: General Counsel (fax number: 202?324-5366) and must reference the date of the NSL and the identification number found on the upper left corner of the Near the last page of the NSL, in a sentence that reads, "Any questions you have regarding this letter should be directed to the FBI Washington Field Office Field Office or attention [redact name and telephone number]." Please direct any questions you have regarding this letter to the Washington Field Office FBI Field Office. Sincerely, 2% Special Agent in Charge washington Field Office