|Exhibit 99(b)                                                                                                                                                                                                          
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|FPL GROUP, INC.Certification Of Periodic Report                                                                                                                                                                        
|I, Moray P. Dewhurst, Chief Financial Officer of FPL Group, Inc. (FPL Group), certify, pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:                                                                
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|Dated:  May 8, 2003                                                                                                                                                                                                    
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|A signed original of this written statement required by Section 906 has been provided to FPL Group and will be retained by FPL Group and furnished to the Securities and Exchange Commission or its staff upon request.