BA Mortgage 1998-7 Certification BANK OF AMERICA MORTGAGE SECURITIES, INC. MORTGAGE PASS-THROUGH CERTIFICATES, SERIES 1998-7 OFFICER'S CERTIFICATE PURSUANT TO SECTION 3.17 OF THE AGREEMENT ----------------------------- I, Gary K. Bettin, Senior Vice President of BA Mortgage, LLC, as successor to NationsBanc Mortgage Corporation (the "Master Servicer"), hereby certify pursuant to Section 3.17 of the Pooling and Servicing Agreement, dated as of December 1, 1998 (the "Agreement"), among Bank of America Mortgage Securities, Inc., Bank of America, N.A., the Master Servicer and The Bank of New York, that: (a) a review of the activities of the Master Servicer during calendar years 1998, 1999, 2000 and 2001 and of the performance of the Master Servicer under the Agreement has been made under my supervision, (b) to the best of my knowledge, based on such review, the Master Servicer has fulfilled all its material obligations in all material respects under the Agreement throughout calendar years 1998, 1999, 2000 and 2001 and (c) to the best of my knowledge, each related servicer has fulfilled its material obligations under its servicing agreement with the Master Servicer in all material respects. Dated: November 15, 2002 BA MORTGAGE, LLC, as Master Servicer By:/s/ Gary K. Bettin ------------------------------------- Name: Gary K. Bettin Title: Senior Vice President BANA 1998 Transactions Certification BANK OF AMERICA MORTGAGE SECURITIES, INC. MORTGAGE PASS-THROUGH CERTIFICATES, SERIES SET FORTH ON EXHIBIT I HERETO OFFICER'S CERTIFICATE PURSUANT TO SECTION 3.17 OF THE AGREEMENTS LISTED ON EXHIBIT I HERETO -------------------------------------------- I, Gary K. Bettin, Senior Vice President of Bank of America, N.A., as successor to Bank of America, FSB (the "Master Servicer"), hereby certify pursuant to Section 3.17 of the Pooling and Servicing Agreements listed on Exhibit I hereto (collectively, the "Agreements") that: (a) a review of the activities of the Master Servicer during calendar years 1998, 1999, 2000 and 2001 and of the performance of the Master Servicer under the Agreements has been made under my supervision, (b) to the best of my knowledge, based on such review, the Master Servicer has fulfilled all its material obligations in all material respects under the Agreements throughout calendar years 1998, 1999, 2000 and 2001 and (c) to the best of my knowledge, each related servicer has fulfilled its material obligations under its servicing agreement with the Master Servicer in all material respects. Dated: November 15, 2002 BANK OF AMERICA, N.A., as Master Servicer By:/s/ Gary K. Bettin ------------------------------------- Name: Gary K. Bettin Title: Senior Vice President EXHIBIT I PARTIES TO AGREEMENT DATE OF AGREEMENT SERIES ================================================================================ Bank of America Mortgage Securities, April 1, 1998 1998-1 Inc., Bank of America, FSB and Deutsche Bank National Trust Company of California Bank of America Mortgage Securities, May 1, 1998 1998-2 Inc., Bank of America, FSB and Deutsche Bank National Trust Company of California Bank of America Mortgage Securities, June 1, 1998 1998-3 Inc., Bank of America, FSB and The Bank of New York Bank of America Mortgage Securities, July 1, 1998 1998-4 Inc., Bank of America, FSB and The Bank of New York Bank of America Mortgage Securities, September 1, 1998 1998-5 Inc., Bank of America, FSB and The Bank of New York Bank of America Mortgage Securities, November 1, 1998 1998-6 Inc., Bank of America, FSB and The Bank of New York Bank of America Mortgage Securities, December 1, 1998 1998-7 Inc., Bank of America, FSB, NationsBanc Mortgage Corporation and The Bank of New York BANA 1999, 2000 and 2001 Transactions Certification BANK OF AMERICA MORTGAGE SECURITIES, INC. MORTGAGE PASS-THROUGH CERTIFICATES, SERIES SET FORTH ON EXHIBIT I HERETO OFFICER'S CERTIFICATE PURSUANT TO SECTION 3.18 OF THE AGREEMENTS LISTED ON EXHIBIT I HERETO -------------------------------------------- I, Gary K. Bettin, Senior Vice President of Bank of America, N.A., as servicer and/or as successor to Bank of America, FSB (collectively, the "Servicer"), hereby certify pursuant to Section 3.18 of the Pooling and Servicing Agreements listed on Exhibit I hereto (collectively, the "Agreements") that: (a) a review of the activities of the Servicer during calendar years 1999, 2000 and 2001 and of the performance of the Servicer under the Agreements has been made under my supervision, and (b) to the best of my knowledge, based on such review, the Servicer has fulfilled all its obligations under the Agreements throughout calendar years 1999, 2000 and 2001. Dated: November 15, 2002 BANK OF AMERICA, N.A., as Servicer By:/s/ Gary K. Bettin ------------------------------------- Name: Gary K. Bettin Title: Senior Vice President EXHIBIT I PARTIES DATE OF POOLING SERIES AGREEMENT ================================================================================ Bank of America Mortgage Securities, February 23, 1999 1999-1 Inc., Bank of America, FSB, NationsBanc Mortgage Corporation and The Bank of New York Bank of America Mortgage Securities, March 25, 1999 1999-2 Inc., Bank of America, FSB, NationsBanc Mortgage Corporation and The Bank of New York Bank of America Mortgage Securities, April 27, 1999 1999-3 Inc., Bank of America, FSB, NationsBanc Mortgage Corporation and The Bank of New York Bank of America Mortgage Securities, April 27, 1999 1999-4 Inc., Bank of America, FSB, NationsBanc Mortgage Corporation and The Bank of New York Bank of America Mortgage Securities, May 25, 1999 1999-5 Inc., Bank of America, FSB, NationsBanc Mortgage Corporation and The Bank of New York Bank of America Mortgage Securities, June 24, 1999 1999-6 Inc., Bank of America, FSB, NationsBanc Mortgage Corporation and The Bank of New York Bank of America Mortgage Securities, June 24, 1999 1999-7 Inc., Bank of America, FSB, NationsBanc Mortgage Corporation and The Bank of New York Bank of America Mortgage Securities, July 27, 1999 1999-8 Inc., Bank of America, FSB, NationsBanc Mortgage Corporation, Bank of America, N.A. and The Bank of New York Bank of America Mortgage Securities, August 26, 1999 1999-9 Inc., Bank of America, FSB, NationsBanc Mortgage Corporation, Bank of America, N.A. and The Bank of New York Bank of America Mortgage Securities, August 26, 1999 1999-10 Inc., Bank of America, FSB, NationsBanc Mortgage Corporation, Bank of America, N.A. and The Bank of New York Bank of America Mortgage Securities, September 23, 1999 1999-11 Inc., Bank of America, FSB, NationsBanc Mortgage Corporation, Bank of America, N.A. and The Bank of New York Bank of America Mortgage Securities, November 23, 1999 1999-12 Inc., Bank of America, FSB, NationsBanc Mortgage Corporation, Bank of America, N.A. and The Bank of New York Bank of America Mortgage Securities, January 25, 2000 2000-1 Inc., Bank of America, N.A. and The Bank of New York Bank of America Mortgage Securities, March 28, 2000 2000-2 Inc., Bank of America, N.A. and The Bank of New York Bank of America Mortgage Securities, May 25, 2000 2000-3 Inc., Bank of America, N.A. and The Bank of New York Bank of America Mortgage Securities, July 26, 2000 2000-4 Inc., Bank of America, N.A. and The Bank of New York Bank of America Mortgage Securities, September 26, 2000 2000-5 Inc., Bank of America, N.A. and The Bank of New York Bank of America Mortgage Securities, October 26, 2000 2000-6 Inc., Bank of America, N.A. and The Bank of New York Bank of America Mortgage Securities, November 21, 2000 2000-7 Inc., Bank of America, N.A. and The Bank of New York Bank of America Mortgage Securities, December 21, 2000 2000-8 Inc., Bank of America, N.A. and The Bank of New York Bank of America Mortgage Securities, December 21, 2000 2000-A Inc., Bank of America, N.A. and The Bank of New York Bank of America Mortgage Securities, January 25, 2001 2001-1 Inc., Bank of America, N.A. and The Bank of New York Bank of America Mortgage Securities, February 22, 2001 2001-2 Inc., Bank of America, N.A. and The Bank of New York Bank of America Mortgage Securities, March 27, 2001 2001-3 Inc., Bank of America, N.A. and The Bank of New York Bank of America Mortgage Securities, March 29, 2001 2001-4 Inc., Bank of America, N.A. and Wells Fargo Bank Minnesota, N.A. Bank of America Mortgage Securities, April 24, 2001 2001-A Inc., Bank of America, N.A. and The Bank of New York Bank of America Mortgage Securities, April 24, 2001 2001-5 Inc., Bank of America, N.A. and The Bank of New York Bank of America Mortgage Securities, May 24, 2001 2001-6 Inc., Bank of America, N.A. and The Bank of New York Bank of America Mortgage Securities, May 29, 2001 2001-B Inc., Bank of America, N.A. and The Bank of New York Bank of America Mortgage Securities, June 26, 2001 2001-7 Inc., Bank of America, N.A. and The Bank of New York Bank of America Mortgage Securities, June 27, 2001 2001-C Inc., Bank of America, N.A. and The Bank of New York Bank of America Mortgage Securities, July 24, 2001 2001-8 Inc., Bank of America, N.A. and The Bank of New York Bank of America Mortgage Securities, July 26, 2001 2001-D Inc., Bank of America, N.A. and The Bank of New York Bank of America Mortgage Securities, August 23, 2001 2001-9 Inc., Bank of America, N.A. and The Bank of New York Bank of America Mortgage Securities, August 28, 2001 2001-E Inc., Bank of America, N.A. and The Bank of New York Bank of America Mortgage Securities, September 25, 2001 2001-10 Inc., Bank of America, N.A. and The Bank of New York Bank of America Mortgage Securities, October 23, 2001 2001-F Inc., Bank of America, N.A. and The Bank of New York Bank of America Mortgage Securities, November 27, 2001 2001-G Inc., Bank of America, N.A. and The Bank of New York Bank of America Mortgage Securities, November 27, 2001 2001-11 Inc., Bank of America, N.A. and The Bank of New York Bank of America Mortgage Securities, December 20, 2001 2001-H Inc., Bank of America, N.A. and The Bank of New York Bank of America Mortgage Securities, December 20, 2001 2001-12 Inc., Bank of America, N.A. and The Bank of New York BA Mortgage 1999 Transactions Certification BANK OF AMERICA MORTGAGE SECURITIES, INC. MORTGAGE PASS-THROUGH CERTIFICATES, SERIES SET FORTH ON EXHIBIT I HERETO OFFICER'S CERTIFICATE PURSUANT TO SECTION 3.18 OF THE AGREEMENTS LISTED ON EXHIBIT I HERETO -------------------------------------------- I, Gary K. Bettin, Senior Vice President of BA Mortgage, LLC, as successor to NationsBanc Mortgage Corporation (the "Servicer"), hereby certify pursuant to Section 3.18 of the Pooling and Servicing Agreements listed on Exhibit I hereto (collectively, the "Agreements") that: (a) a review of the activities of the Servicer during calendar years 1999, 2000 and 2001 and of the performance of the Servicer under the Agreements has been made under my supervision, and (b) to the best of my knowledge, based on such review, the Servicer has fulfilled all its obligations under the Agreements throughout calendar years 1999, 2000 and 2001. Dated: November 15, 2002 BA MORTGAGE, LLC, as Servicer By:/s/ Gary K. Bettin ------------------------------------- Name: Gary K. Bettin Title: Senior Vice President EXHIBIT I PARTIES DATE OF POOLING SERIES AGREEMENT ================================================================================ Bank of America Mortgage Securities, February 23, 1999 1999-1 Inc., Bank of America, FSB, NationsBanc Mortgage Corporation and The Bank of New York Bank of America Mortgage Securities, March 25, 1999 1999-2 Inc., Bank of America, FSB, NationsBanc Mortgage Corporation and The Bank of New York Bank of America Mortgage Securities, April 27, 1999 1999-3 Inc., Bank of America, FSB, NationsBanc Mortgage Corporation and The Bank of New York Bank of America Mortgage Securities, April 27, 1999 1999-4 Inc., Bank of America, FSB, NationsBanc Mortgage Corporation and The Bank of New York Bank of America Mortgage Securities, May 25, 1999 1999-5 Inc., Bank of America, FSB, NationsBanc Mortgage Corporation and The Bank of New York Bank of America Mortgage Securities, June 24, 1999 1999-6 Inc., Bank of America, FSB, NationsBanc Mortgage Corporation and The Bank of New York Bank of America Mortgage Securities, June 24, 1999 1999-7 Inc., Bank of America, FSB, NationsBanc Mortgage Corporation and The Bank of New York Bank of America Mortgage Securities, July 27, 1999 1999-8 Inc., Bank of America, FSB, NationsBanc Mortgage Corporation, Bank of America, N.A. and The Bank of New York Bank of America Mortgage Securities, August 26, 1999 1999-9 Inc., Bank of America, FSB, NationsBanc Mortgage Corporation, Bank of America, N.A. and The Bank of New York Bank of America Mortgage Securities, August 26, 1999 1999-10 Inc., Bank of America, FSB, NationsBanc Mortgage Corporation, Bank of America, N.A. and The Bank of New York Bank of America Mortgage Securities, September 23, 1999 1999-11 Inc., Bank of America, FSB, NationsBanc Mortgage Corporation, Bank of America, N.A. and The Bank of New York Bank of America Mortgage Securities, November 23, 1999 1999-12 Inc., Bank of America, FSB, NationsBanc Mortgage Corporation, Bank of America, N.A. and The Bank of New York