SC 13D/A 1 sc0356-03.txt SCHEDULE 13D AMENDMENT 11 UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13D UNDER THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO. 11)* Advent Software, Inc. (Name of Issuer) Common Stock, $.01 par value (Title of Class of Securities) 007974108 (CUSIP Number) SPO Partners & Co. 591 Redwood Highway, Suite 3215 Mill Valley, California 94941 (415) 383-6600 with a copy to: Alison S. Ressler Sullivan & Cromwell LLP 1888 Century Park East Los Angeles, CA 90067 (310) 712-6600 (Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications) December 2, 2003 (Date of Event which Requires Filing of this Statement) If the filing person has previously filed a statement on Schedule 13G to report the acquisition is the subject of this Schedule 13D, and is filing this schedule because of ss.ss. 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box [_]. Check the following box if a fee is being paid with the statement. [_] *The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page. The information required on the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes). SCHEDULE 13D --------------------- --------------------- CUSIP No. 007974108 PAGE 2 OF 16 PAGES --------------------- --------------------- -------------------------------------------------------------------------------- 1. NAME OF REPORTING PERSON: SPO Partners II, L.P. -------------------------------------------------------------------------------- 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP: (a) [ ] (b) [X] -------------------------------------------------------------------------------- 3. SEC USE ONLY -------------------------------------------------------------------------------- 4. SOURCE OF FUNDS: WC -------------------------------------------------------------------------------- 5. CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(e) OR 2(f): [ ] -------------------------------------------------------------------------------- 6. CITIZENSHIP OR PLACE OF ORGANIZATION: Delaware -------------------------------------------------------------------------------- 7. SOLE VOTING POWER: NUMBER OF 5,766,600(1) SHARES --------------------------------------------------------------- BENEFICIALLY 8. SHARED VOTING POWER: OWNED BY -0- EACH --------------------------------------------------------------- REPORTING 9. SOLE DISPOSITIVE POWER: PERSON 5,766,600(1) WITH --------------------------------------------------------------- 10. SHARED DISPOSITIVE POWER: -0- -------------------------------------------------------------------------------- 11. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON: 5,766,600(1) -------------------------------------------------------------------------------- 12. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES: [ ] -------------------------------------------------------------------------------- 13. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11): 17.6% -------------------------------------------------------------------------------- 14. TYPE OF REPORTING PERSON: PN -------------------------------------------------------------------------------- (1) Power is exercised through its sole general partner, SPO Advisory Partners, L.P. SCHEDULE 13D --------------------- --------------------- CUSIP No. 007974108 PAGE 3 OF 16 PAGES --------------------- --------------------- -------------------------------------------------------------------------------- 1. NAME OF REPORTING PERSON: SPO Advisory Partners, L.P. -------------------------------------------------------------------------------- 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP: (a) [ ] (b) [X] -------------------------------------------------------------------------------- 3. SEC USE ONLY -------------------------------------------------------------------------------- 4. SOURCE OF FUNDS: Not Applicable -------------------------------------------------------------------------------- 5. CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(e) OR 2(f): [ ] -------------------------------------------------------------------------------- 6. CITIZENSHIP OR PLACE OF ORGANIZATION: Delaware -------------------------------------------------------------------------------- 7. SOLE VOTING POWER: NUMBER OF 5,766,600(1)(2) SHARES --------------------------------------------------------------- BENEFICIALLY 8. SHARED VOTING POWER: OWNED BY -0- EACH --------------------------------------------------------------- REPORTING 9. SOLE DISPOSITIVE POWER: PERSON 5,766,600(1)(2) WITH --------------------------------------------------------------- 10. SHARED DISPOSITIVE POWER: -0- -------------------------------------------------------------------------------- 11. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON: 5,766,600(1)(2) -------------------------------------------------------------------------------- 12. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES: [ ] -------------------------------------------------------------------------------- 13. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11): 17.6% -------------------------------------------------------------------------------- 14. TYPE OF REPORTING PERSON: PN -------------------------------------------------------------------------------- (1) Solely in its capacity as the sole general partner of SPO Partners II, L.P. (2) Power is exercised through its sole general partner, SPO Advisory Corp. SCHEDULE 13D --------------------- --------------------- CUSIP No. 007974108 PAGE 4 OF 16 PAGES --------------------- --------------------- -------------------------------------------------------------------------------- 1. NAME OF REPORTING PERSON: San Francisco Partners II, L.P. -------------------------------------------------------------------------------- 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP: (a) [ ] (b) [X] -------------------------------------------------------------------------------- 3. SEC USE ONLY -------------------------------------------------------------------------------- 4. SOURCE OF FUNDS: WC -------------------------------------------------------------------------------- 5. CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(e) OR 2(f): [ ] -------------------------------------------------------------------------------- 6. CITIZENSHIP OR PLACE OF ORGANIZATION: California -------------------------------------------------------------------------------- 7. SOLE VOTING POWER: NUMBER OF 644,700(1) SHARES --------------------------------------------------------------- BENEFICIALLY 8. SHARED VOTING POWER: OWNED BY -0- EACH --------------------------------------------------------------- REPORTING 9. SOLE DISPOSITIVE POWER: PERSON 644,700(1) WITH --------------------------------------------------------------- 10. SHARED DISPOSITIVE POWER: -0- -------------------------------------------------------------------------------- 11. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON: 644,700(1) -------------------------------------------------------------------------------- 12. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES: [ ] -------------------------------------------------------------------------------- 13. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11): 2.0% -------------------------------------------------------------------------------- 14. TYPE OF REPORTING PERSON: PN -------------------------------------------------------------------------------- (1) Power is exercised through its sole general partner, SF Advisory Partners, L.P. SCHEDULE 13D --------------------- --------------------- CUSIP No. 007974108 PAGE 5 OF 16 PAGES --------------------- --------------------- -------------------------------------------------------------------------------- 1. NAME OF REPORTING PERSON: SF Advisory Partners, L.P. -------------------------------------------------------------------------------- 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP: (a) [ ] (b) [X] -------------------------------------------------------------------------------- 3. SEC USE ONLY -------------------------------------------------------------------------------- 4. SOURCE OF FUNDS: Not Applicable -------------------------------------------------------------------------------- 5. CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(e) OR 2(f): [ ] -------------------------------------------------------------------------------- 6. CITIZENSHIP OR PLACE OF ORGANIZATION: Delaware -------------------------------------------------------------------------------- 7. SOLE VOTING POWER: NUMBER OF 644,700(1)(2) SHARES --------------------------------------------------------------- BENEFICIALLY 8. SHARED VOTING POWER: OWNED BY -0- EACH --------------------------------------------------------------- REPORTING 9. SOLE DISPOSITIVE POWER: PERSON 644,700(1)(2) WITH --------------------------------------------------------------- 10. SHARED DISPOSITIVE POWER: -0- -------------------------------------------------------------------------------- 11. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON: 644,700(1)(2) -------------------------------------------------------------------------------- 12. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES: [ ] -------------------------------------------------------------------------------- 13. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11): 2.0% -------------------------------------------------------------------------------- 14. TYPE OF REPORTING PERSON: PN -------------------------------------------------------------------------------- (1) Solely in its capacity as the sole general partner of San Francisco Partners II, L.P. (2) Power is exercised through its sole general partner, SPO Advisory Corp. SCHEDULE 13D --------------------- --------------------- CUSIP No. 007974108 PAGE 6 OF 16 PAGES --------------------- --------------------- -------------------------------------------------------------------------------- 1. NAME OF REPORTING PERSON: SPO Advisory Corp. -------------------------------------------------------------------------------- 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP: (a) [ ] (b) [X] -------------------------------------------------------------------------------- 3. SEC USE ONLY -------------------------------------------------------------------------------- 4. SOURCE OF FUNDS: Not Applicable -------------------------------------------------------------------------------- 5. CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(e) OR 2(f): [ ] -------------------------------------------------------------------------------- 6. CITIZENSHIP OR PLACE OF ORGANIZATION: Delaware -------------------------------------------------------------------------------- 7. SOLE VOTING POWER: NUMBER OF 6,411,300(1)(2) SHARES --------------------------------------------------------------- BENEFICIALLY 8. SHARED VOTING POWER: OWNED BY -0- EACH --------------------------------------------------------------- REPORTING 9. SOLE DISPOSITIVE POWER: PERSON 6,411,300(1)(2) WITH --------------------------------------------------------------- 10. SHARED DISPOSITIVE POWER: -0- -------------------------------------------------------------------------------- 11. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON: 6,411,300(1)(2) -------------------------------------------------------------------------------- 12. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES: [ ] -------------------------------------------------------------------------------- 13. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11): 19.6% -------------------------------------------------------------------------------- 14. TYPE OF REPORTING PERSON: CO -------------------------------------------------------------------------------- (1) Solely in its capacity as the sole general partner of SPO Advisory Partners, L.P. with respect to 5,766,600 of such shares; and solely in its capacity as the sole general partner of SF Advisory Partners, L.P. with respect to 644,700 of such shares. (2) Power is exercised through its three controlling persons, John H. Scully, William E. Oberndorf and William J. Patterson. SCHEDULE 13D --------------------- --------------------- CUSIP No. 007974108 PAGE 7 OF 16 PAGES --------------------- --------------------- -------------------------------------------------------------------------------- 1. NAME OF REPORTING PERSON: John H. Scully -------------------------------------------------------------------------------- 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP: (a) [ ] (b) [X] -------------------------------------------------------------------------------- 3. SEC USE ONLY -------------------------------------------------------------------------------- 4. SOURCE OF FUNDS: Not Applicable -------------------------------------------------------------------------------- 5. CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(e) OR 2(f): [ ] -------------------------------------------------------------------------------- 6. CITIZENSHIP OR PLACE OF ORGANIZATION: USA -------------------------------------------------------------------------------- 7. SOLE VOTING POWER: NUMBER OF 30,000(1) SHARES --------------------------------------------------------------- BENEFICIALLY 8. SHARED VOTING POWER: OWNED BY 6,411,300(2) EACH --------------------------------------------------------------- REPORTING 9. SOLE DISPOSITIVE POWER: PERSON 30,000(1) WITH --------------------------------------------------------------- 10. SHARED DISPOSITIVE POWER: 6,411,300(2) -------------------------------------------------------------------------------- 11. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON: 6,441,300(1)(2) -------------------------------------------------------------------------------- 12. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES: [ ] -------------------------------------------------------------------------------- 13. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11): 19.7% -------------------------------------------------------------------------------- 14. TYPE OF REPORTING PERSON: IN -------------------------------------------------------------------------------- (1) Of these, 30,000 shares underlie stock options granted to Mr. Scully upon becoming a member of the Board of Directors of the Issuer. (2) Of these, 6,411,300 shares may be deemed to be beneficially owned by Mr. Scully solely in his capacity as one of three controlling persons of SPO Advisory Corp. SCHEDULE 13D --------------------- --------------------- CUSIP No. 007974108 PAGE 8 OF 16 PAGES --------------------- --------------------- -------------------------------------------------------------------------------- 1. NAME OF REPORTING PERSON: William E. Oberndorf -------------------------------------------------------------------------------- 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP: (a) [ ] (b) [X] -------------------------------------------------------------------------------- 3. SEC USE ONLY -------------------------------------------------------------------------------- 4. SOURCE OF FUNDS: Not Applicable -------------------------------------------------------------------------------- 5. CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(e) OR 2(f): [ ] -------------------------------------------------------------------------------- 6. CITIZENSHIP OR PLACE OF ORGANIZATION: USA -------------------------------------------------------------------------------- 7. SOLE VOTING POWER: NUMBER OF -0- SHARES --------------------------------------------------------------- BENEFICIALLY 8. SHARED VOTING POWER: OWNED BY 6,411,300(1) EACH --------------------------------------------------------------- REPORTING 9. SOLE DISPOSITIVE POWER: PERSON -0- WITH --------------------------------------------------------------- 10. SHARED DISPOSITIVE POWER: 6,411,300(1) -------------------------------------------------------------------------------- 11. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON: 6,411,300(1) -------------------------------------------------------------------------------- 12. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES: [ ] -------------------------------------------------------------------------------- 13. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11): 19.6% -------------------------------------------------------------------------------- 14. TYPE OF REPORTING PERSON: IN -------------------------------------------------------------------------------- (1) These 6,411,300 shares may be deemed to be beneficially owned by Mr. Oberndorf solely in his capacity as one of three controlling persons of SPO Advisory Corp. SCHEDULE 13D --------------------- --------------------- CUSIP No. 007974108 PAGE 9 OF 16 PAGES --------------------- --------------------- -------------------------------------------------------------------------------- 1. NAME OF REPORTING PERSON: William J. Patterson -------------------------------------------------------------------------------- 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP: (a) [ ] (b) [X] -------------------------------------------------------------------------------- 3. SEC USE ONLY -------------------------------------------------------------------------------- 4. SOURCE OF FUNDS: Not Applicable -------------------------------------------------------------------------------- 5. CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(e) OR 2(f): [ ] -------------------------------------------------------------------------------- 6. CITIZENSHIP OR PLACE OF ORGANIZATION: USA -------------------------------------------------------------------------------- 7. SOLE VOTING POWER: NUMBER OF -0- SHARES --------------------------------------------------------------- BENEFICIALLY 8. SHARED VOTING POWER: OWNED BY 6,411,300(1) EACH --------------------------------------------------------------- REPORTING 9. SOLE DISPOSITIVE POWER: PERSON -0- WITH --------------------------------------------------------------- 10. SHARED DISPOSITIVE POWER: 6,411,300(1) -------------------------------------------------------------------------------- 11. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON: 6,411,300(1) -------------------------------------------------------------------------------- 12. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES: [ ] -------------------------------------------------------------------------------- 13. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11): 19.6% -------------------------------------------------------------------------------- 14. TYPE OF REPORTING PERSON: IN -------------------------------------------------------------------------------- (1) These 6,411,300 shares may be deemed to be beneficially owned by Mr. Patterson solely in his capacity as one of three controlling persons of SPO Advisory Corp. PAGE 10 OF 16 PAGES This Amendment No. 11 amends the Schedule 13D (the "Original 13D") filed with the Securities Exchange Commission ("SEC") on July 25, 2002, as amended on August 6, 2002, September 9, 2002, September 19, 2002, September 26, 2002, October 15, 2002, March 13, 2003, March 17, 2003, March 25, 2003, May 12, 2003 and November 5, 2003. Unless otherwise stated herein, the Original 13D, as amended, remains in full force and effect. Terms used herein and not defined herein shall have the meanings ascribed thereto in the Original 13D, as amended. Item 5. Interest in Securities of the Issuer. ------------------------------------ Item 5 is hereby amended and restated in its entirety as follows: (a) Percentage interest calculations for each Reporting Person are based upon the Issuer having 32,777,950 total outstanding Shares as reported on the Issuer's 10-Q filed with the Securities and Exchange Commission on November 14, 2003. PAGE 11 OF 16 PAGES SPO --- The aggregate number of Shares that SPO owns beneficially, pursuant to Rule 13d-3 of the Act, is 5,766,600 Shares, which constitutes approximately 17.6% of the outstanding Shares. SPO Advisory Partners --------------------- Because of its position as the sole general partner of SPO, SPO Advisory Partners may, pursuant to Rule 13d-3 of the Act, be deemed to be the beneficial owner of 5,766,600 Shares, which constitutes approximately 17.6% of the outstanding Shares. SFP --- The aggregate number of Shares that SFP owns beneficially, pursuant to Rule 13d-3 of the Act, is 644,700 Shares, which constitutes approximately 2.0% of the outstanding Shares. SF Advisory Partners -------------------- Because of its position as the sole general partner of SFP, SF Advisory Partners may, pursuant to Rule 13d-3 of the Act, be deemed to be the beneficial owner of 644,700 Shares, which constitutes approximately 2.0% of the outstanding Shares. SPO Advisory Corp. ------------------ Because of its positions as the sole general partner of each of SPO Advisory Partners and SF Advisory Partners, SPO Advisory Corp. may, pursuant to Rule 13d-3 of the Act, be deemed to be the beneficial owner of 6,411,300 Shares in the aggregate, which constitutes approximately 19.6% of the outstanding Shares. JHS --- Individually, and because of his position as a control person of SPO Advisory Corp., JHS may, pursuant to Rule 13d-3 of the Act, be deemed to be the beneficial owner of 6,441,300 Shares, which constitutes approximately 19.7% of the outstanding Shares. WEO --- Because of his position as a control person of SPO Advisory Corp., WEO may, pursuant to Rule 13d-3 of the Act, be deemed to be the beneficial owner of 6,411,300 Shares in the aggregate, which constitutes approximately 19.6% of the outstanding Shares. PAGE 12 OF 16 PAGES WJP --- Because of his position as a control person of SPO Advisory Corp., WJP may, pursuant to Rule 13d-3 of the Act, be deemed to be the beneficial owner of 6,411,300 Shares of the aggregate, which constitutes approximately 19.6% of the outstanding Shares. To the best of the knowledge of each of the Reporting Persons, other than as set forth above, none of the persons named in Item 2 hereof is the beneficial owner of any Shares. (b) SPO --- Acting through its sole general partner, SPO has the sole power to vote or to direct the vote and to dispose or to direct the disposition of 5,766,600 Shares. SPO Advisory Partners --------------------- Acting through its sole general partner and in its capacity as the sole general partner of SPO, SPO Advisory Partners has the sole power to vote or to direct the vote and to dispose or to direct the disposition of 5,766,600 Shares held by SPO. SFP --- Acting through its sole general partner, SFP has the sole power to vote or to direct the vote and to dispose or to direct the disposition of 644,700 Shares. SF Advisory Partners -------------------- Acting through its sole general partner and in its capacity as the sole general partner of SFP, SF Advisory Partners has the sole power to vote or to direct the vote and to dispose or to direct the disposition of 644,700 Shares held by SFP. SPO Advisory Corp. ------------------ Acting through its controlling persons and in its capacities as the sole general partner of each of SPO Advisory Partners and SF Advisory Partners, SPO Advisory Corp. has the sole power to vote or to direct the vote and to dispose or to direct the disposition of 6,411,300 Shares held by SPO and SFP in the aggregate. JHS --- As one of three controlling persons of SPO Advisory Corp., which is the sole general partner of each of SPO Advisory Partners and SF Advisory Partners, JHS may be deemed to have shared power with WEO and WJP to vote or to direct the vote and to dispose or to direct the disposition of 6,411,300 Shares held by SPO and SFP in the aggregate. JHS has the sole power to vote or to direct the vote and to dispose or to direct the disposition of 30,000 Shares underlying stock options. PAGE 13 OF 16 PAGES WEO --- As one of three controlling persons of SPO Advisory Corp., which is the sole general partner of each of SPO Advisory Partners and SF Advisory Partners, WEO may be deemed to have shared power with JHS and WJP to vote or to direct the vote and to dispose or to direct the disposition of 6,411,300 Shares held by SPO and SFP in the aggregate. WJP --- As one of the controlling persons of SPO Advisory Corp., which is the sole general partner of each of SPO Advisory Partners and SF Advisory Partners, WJP may be deemed to have shared power with JHS and WEO to vote or to direct the vote and to dispose or to direct the disposition of 6,411,300 Shares held by SPO and SFP in the aggregate. (c) To the best of the knowledge of each of the Reporting Persons, none of the persons named in response to paragraph (a) has effected any transactions in Shares since the most recent filing on Schedule 13D. (d) Each of the Reporting Persons affirms that no person other than such Reporting Person has the right to receive or the power to direct the receipt of distributions with respect to, or the proceeds from the sale of, the Shares owned by such Reporting Person. (e) Not applicable. Item 6. Contracts, Arrangements, Understandings or Relationships With Respect to Securities of the Issuer. ----------------------------------------- Item 6 is hereby amended and restated in its entirety as follows: Effective as of December 2, 2003, JHS has been appointed as non-executive Chairman of the Board of Directors of the Issuer. Otherwise, except as set forth herein or in the exhibits filed herewith, there are no contracts, arrangements, understandings or relationships of the type required to be disclosed in response to Item 6 of Schedule 13D of the Act with respect to the Shares owned by the Reporting Persons. Item 7. Material to be Filed as Exhibits. -------------------------------- Item 7 is hereby amended and restated in its entirety as follows: Exhibit A - Agreement pursuant to Rule 13d-1(k) PAGE 14 OF 16 PAGES After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct. DATED: December 4, 2003 By: /s/ Kim M. Silva ---------------------------------- Kim M. Silva Attorney-in-Fact for: SPO PARTNERS II, L.P. * SPO ADVISORY PARTNERS, L.P.* SAN FRANCISCO PARTNERS II, L.P. * SF ADVISORY PARTNERS, L.P.* SPO ADVISORY CORP.* JOHN H. SCULLY* WILLIAM E. OBERNDORF* WILLIAM J. PATTERSON* * A Power of Attorney authorizing Kim M. Silva to act on behalf of this person or entity has been previously filed with the Securities and Exchange Commission. PAGE 15 OF 16 PAGES EXHIBIT INDEX -------------------------------------------------------------------------------- Exhibit Document Description Page No. -------------------------------------------------------------------------------- A Agreement Pursuant to Rule 13d-1(k) 1 -------------------------------------------------------------------------------- PAGE 16 OF 16 PAGES EXHIBIT A Pursuant to Rule 13d-1(k) of Regulation 13D-G of the General Rules and Regulations of the Securities and Exchange Commission under the Securities Exchange Act of 1934, as amended, the undersigned agrees that the statement to which this Exhibit is attached is filed on behalf of each of them in the capacities set forth below. DATED: December 4, 2003 By: /s/ Kim M. Silva ---------------------------------- Kim M. Silva Attorney-in-Fact for: SPO PARTNERS II, L.P. * SPO ADVISORY PARTNERS, L.P.* SAN FRANCISCO PARTNERS II, L.P. * SF ADVISORY PARTNERS, L.P.* SPO ADVISORY CORP.* JOHN H. SCULLY* WILLIAM E. OBERNDORF* WILLIAM J. PATTERSON* * A Power of Attorney authorizing Kim M. Silva to act on behalf of this person or entity has been previously filed with the Securities and Exchange Commission.