Attached as Exhibit 100 to this Current Report on Form 8-K are the following materials from AGL Resources Inc. Annual Report on Form 10-K for the year ended December 31, 2008, filed with the Securities and Exchange Commission (SEC) on February 5, 2009, formatted in XBRL (eXtensible Business Reporting Language):
(i) Consolidated Balance Sheets, (ii) Statements of Consolidated Income, (iii) Statements of Consolidated Common Shareholders' Equity, (iv) Statements of Consolidated Cash Flows, and (v) Notes to Consolidated Financial Statements tagged in Block Text format. Users of this data are advised pursuant to Rule 401 of Regulation S-T that the financial information contained in the XBRL documents is unaudited and these are not the official publicly filed financial statements of AGL Resources Inc. The purpose of submitting these XBRL formatted documents is to test the related format and technology and, as a result, investors should continue to rely on the official filed version of the furnished documents and not rely on this information in making investment decisions.

In accordance with Rule 402 of Regulation S-T, the information in this Current Report on Form 8-K, including Exhibit 100, shall not be deemed "filed" for the purposes of section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or otherwise subject to the liability of that section, and shall not be incorporated by reference into any registration statement or other document filed under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific references in such filing.

(d) Exhibits

The following exhibits are furnished herewith:

       Exhibit No.    Exhibit Description
         100          The following materials from AGL Resources Inc. Annual
                      Report on Form 10-K for the year ended December 31, 2008,
                      filed on February 5, 2009, formatted in XBRL (Extensive
                      Business Reporting Language):

                      (i) Consolidated Balance Sheets, (ii) Statements of
                      Consolidated Income, (iii) Statements of Consolidated
                      Common Shareholders' Equity, (iv) Statements of
                      Consolidated Cash Flows, and (v) Notes to Consolidated
                      Financial Statements tagged in Block Text format.