<PAGE>   1
                                                                   EXHIBIT 10.15



                  AMENDMENT NUMBER ONE TO EMPLOYMENT AGREEMENT

Amendment Number One ("Amendment No. 1"), made and entered into as of the 28th
day of April, 1997 by and between PennCorp Financial Group, Inc., a Delaware
corporation (together with its successors and assigns permitted under the
Agreement (as hereinafter defined), the "Company"), and Steven W. Fickes (the 
"Executive").

  WHEREAS, the Company and the Executive are parties to an Employment Agreement
made and entered into as of the 7th day of June, 1996 (the "Agreement"); and

  WHEREAS, due to a clerical error, the Exercise Price Per Share for each
tranche of the option granted to the Executive as stated in Section 6 of the
Agreement is incorrect; and

  WHEREAS, the Company and the Executive wish to amend the Agreement to reflect
the correct Exercise Price Per Share of each tranche of the option granted to 
the Executive;

  NOW, THEREFORE, in consideration of the premises and mutual covenants
contained herein and for other good and valuable consideration, the receipt of
which is mutually acknowledged, the Company and the Executive (individually a
"Party" and together the "Parties") agree as follows:

1.       Section 6 of the Agreement is hereby deleted in its entirety and the
following inserted in its place instead:

         6.      Long-Term Incentive Award.

                 Provided that the Stock Plan is approved by the Company's      
                 shareholders, the Executive shall participate in the Stock
                 Plan and shall be granted under the Stock Plan, as of the
                 Effective Date, an option to purchase 559,000 shares of Stock. 
                 The option shall be divided into four tranches as set forth
                 below:

<TABLE>
<CAPTION>
                                      Number of Shares of           Exercise Price
         Tranche                  Stock Underlying Tranche             Per Share 
         --------                 ------------------------          --------------
              <S>                          <C>                        <C>
              1                            250,000                    28.875
              2                            103,000                    31.762
              3                            103,000                    34.939
              4                            103,000                    38.404
</TABLE>

                 Twenty-five percent of each tranche shall become exercisable
                 (vest) on the first four anniversaries of the Effective Date
                 and the option shall expire on the fifth anniversary of the
                 Effective Date.

2.       All terms used in this Amendment No. 1 shall have the same meaning as
         in the Agreement.

3.       Except as modified in this Amendment No. 1, all other terms and
         provisions of the Agreement remain in full force and effect and
         unchanged.

4.       This Amendment No. 1 may be executed in two or more counterparts.

  IN WITNESS WHEREOF, the undersigned have executed this Amendment No. 1 as of
the date first written above.

PENNCORP FINANCIAL GROUP, INC.


By:      /s/ SCOTT D. SILVERMAN                      By: /s/ STEVEN W. FICKES
   --------------------------------------------         ------------------------
         Scott D. Silverman                              Steven W. Fickes
         Senior Vice President, General Counsel
         and Secretary

By:      /s/ KENNETH ROMAN
   --------------------------------------------
         Kenneth Roman
         Chairman Compensation
         Committee