-------------------------------------------------------------------------------- -------------------------------------------------------------------------------- UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q/A (Mark One) [X] QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED DECEMBER 31, 2002 OR [ ] TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO Commission File Number 1-10042 ATMOS ENERGY CORPORATION (Exact name of registrant as specified in its charter) TEXAS AND VIRGINIA 75-1743247 (State or other jurisdiction of (IRS Employer incorporation or organization) Identification No.) THREE LINCOLN CENTRE, SUITE 1800 5430 LBJ FREEWAY, DALLAS, TEXAS 75240 (Address of principal executive offices) (Zip Code) (972) 934-9227 (Registrant's telephone number, including area code) Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes [X] No [ ] Indicate by check mark whether the registrant is an accelerated filer (as defined in Rule 12b-2 of the Exchange Act) Yes [X] No [ ] Number of shares outstanding of each of the issuer's classes of common stock, as of January 31, 2003. CLASS SHARES OUTSTANDING ----- ------------------ No Par Value 45,368,350 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- EXPLANATORY NOTE We are amending our Report on Form 10-Q for the period ended December 31, 2002 to include information referred to in the certifications of our chief executive officer and our chief financial officer that was inadvertently omitted from the report as filed on February 14, 2003. PART I. FINANCIAL INFORMATION ITEM 4. CONTROLS AND PROCEDURES Within the 90 days prior to the date of this report, we carried out an evaluation, under the supervision and with the participation of our management, including the Chairman, President and Chief Executive Officer and Senior Vice President and Chief Financial Officer, of the effectiveness of the design and operation of our disclosure controls and procedures pursuant to Exchange Act Rule 13a-14. Based upon that evaluation, the Chairman, President and Chief Executive Officer, and Senior Vice President and Chief Financial Officer have concluded that our disclosure controls and procedures are effective. Such disclosure controls and procedures are controls and procedures designed to ensure that all information required to be disclosed in our reports filed under the Exchange Act is recorded, processed, summarized and reported within the time periods set forth in applicable Securities and Exchange Commission forms, rules and regulations. In addition, we have reviewed our internal controls and have concluded that there have been no significant changes in such internal controls or other factors that could significantly affect those controls subsequent to the date of our review. 2 SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized. ATMOS ENERGY CORPORATION (Registrant) By: /s/ JOHN P. REDDY ------------------------------------ John P. Reddy Senior Vice President and Chief Financial Officer (Duly authorized signatory) Date: February 27, 2003 3 CERTIFICATION I, Robert W. Best, certify that: 1. I have reviewed this quarterly report on Form 10-Q of Atmos Energy Corporation; 2. Based on my knowledge, this quarterly report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this quarterly report; 3. Based on my knowledge, the financial statements, and other financial information included in this quarterly report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this quarterly report; 4. The registrant's other certifying officers and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-14 and 15d-14) for the registrant and we have: a) Designed such disclosure controls and procedures to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this quarterly report is being prepared; b) Evaluated the effectiveness of the registrant's disclosure controls and procedures as of a date within 90 days prior to the filing date of this quarterly report (the "Evaluation Date"); and c) Presented in this quarterly report our conclusions about the effectiveness of the disclosure controls and procedures based on our evaluation as of the Evaluation Date; 5. The registrant's other certifying officers and I have disclosed, based on our most recent evaluation, to the registrant's auditors and the audit committee of registrant's board of directors (or persons performing the equivalent function): a) All significant deficiencies in the design or operation of internal controls which could adversely affect the registrant's ability to record, process, summarize and report financial data and have identified for the registrant's auditors any material weaknesses in internal controls; and b) any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal controls; and 6. The registrant's other certifying officers and I have indicated in this quarterly report whether there were significant changes in internal controls or in other factors that could significantly affect internal controls subsequent to the date of our most recent evaluation, including any corrective actions with regard to significant deficiencies and material weaknesses. By: /s/ ROBERT W. BEST ------------------------------------ Robert W. Best Chairman, President and Chief Executive Officer Date: February 27, 2003 4 CERTIFICATION I, John P. Reddy, certify that: 1. I have reviewed this quarterly report on Form 10-Q of Atmos Energy Corporation; 2. Based on my knowledge, this quarterly report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this quarterly report; 3. Based on my knowledge, the financial statements, and other financial information included in this quarterly report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this quarterly report; 4. The registrant's other certifying officers and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-14 and 15d-14) for the registrant and we have: a) Designed such disclosure controls and procedures to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this quarterly report is being prepared; b) Evaluated the effectiveness of the registrant's disclosure controls and procedures as of a date within 90 days prior to the filing date of this quarterly report (the "Evaluation Date"); and c) Presented in this quarterly report our conclusions about the effectiveness of the disclosure controls and procedures based on our evaluation as of the Evaluation Date; 5. The registrant's other certifying officers and I have disclosed, based on our most recent evaluation, to the registrant's auditors and the audit committee of registrant's board of directors (or persons performing the equivalent function): a) All significant deficiencies in the design or operation of internal controls which could adversely affect the registrant's ability to record, process, summarize and report financial data and have identified for the registrant's auditors any material weaknesses in internal controls; and b) any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal controls; and 6. The registrant's other certifying officers and I have indicated in this quarterly report whether there were significant changes in internal controls or in other factors that could significantly affect internal controls subsequent to the date of our most recent evaluation, including any corrective actions with regard to significant deficiencies and material weaknesses. By: /s/ JOHN P.REDDY ------------------------------------ John P. Reddy Senior Vice President and Chief Financial Officer Date: February 27, 2003 5 EXHIBITS INDEX ITEM 6(a) EXHIBIT NUMBER DESCRIPTION ------- ----------- 10.1* Amendment No. 2 to Mini-Med/Dental Benefit Extension Agreement dated December 31, 2002(1) 12 Computation of ratio of earnings to fixed charges(1) 15 Letter regarding unaudited interim financial information(1) 99.1 Certification Pursuant to 18 U.S.C. Section 1350 as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 by the Company's Chief Executive Officer**(1) 99.2 Certification Pursuant to 18 U.S.C. Section 1350 as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 by the Company's Chief Financial Officer**(1) 99.3 Certification Pursuant to 18 U.S.C. Section 1350 as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 by the Company's Chief Executive Officer** 99.4 Certification Pursuant to 18 U.S.C. Section 1350 as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 by the Company's Chief Financial Officer** --------------- * This exhibit constitutes a "management contract or compensatory plan, contract or arrangement." ** These certifications pursuant to 18 U.S.C. Section 1350 by the Company's Chief Executive Officer, furnished as Exhibits 99.1 and 99.3, and by the Company's Chief Financial Officer, furnished as Exhibits 99.2 and 99.4, to this Quarterly Report on Form 10-Q, will not be deemed to be filed with the Commission or incorporated by reference into any filing by the Company under the Securities Act of 1933 or the Securities Exchange Act of 1934, except to the extent that the Company specifically incorporates such certifications by reference. (1) Previously filed on February 14, 2003 with the Company's Form 10-Q for the quarterly period ended December 31, 2002. 6